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Kuraoka T, Goto S, Kanno M, Díaz-Tendero S, Reino-González J, Trinter F, Pier A, Sommerlad L, Melzer N, McGinnis OD, Kruse J, Wenzel T, Jahnke T, Xue H, Kishimoto N, Yoshikawa K, Tamura Y, Ota F, Hatada K, Ueda K, Martín F. Tracing Photoinduced Hydrogen Migration in Alcohol Dications from Time-Resolved Molecular-Frame Photoelectron Angular Distributions. J Phys Chem A 2024; 128:1241-1249. [PMID: 38324399 PMCID: PMC10895665 DOI: 10.1021/acs.jpca.3c07640] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/20/2023] [Revised: 01/12/2024] [Accepted: 01/16/2024] [Indexed: 02/09/2024]
Abstract
The recent implementation of attosecond and few-femtosecond X-ray pump/X-ray probe schemes in large-scale free-electron laser facilities has opened the way to visualize fast nuclear dynamics in molecules with unprecedented temporal and spatial resolution. Here, we present the results of theoretical calculations showing how polarization-averaged molecular-frame photoelectron angular distributions (PA-MFPADs) can be used to visualize the dynamics of hydrogen migration in methanol, ethanol, propanol, and isopropyl alcohol dications generated by X-ray irradiation of the corresponding neutral species. We show that changes in the PA-MFPADs with the pump-probe delay as a result of intramolecular photoelectron diffraction carry information on the dynamics of hydrogen migration in real space. Although visualization of this dynamics is more straightforward in the smaller systems, methanol and ethanol, one can still recognize the signature of that motion in propanol and isopropyl alcohol and assign a tentative path to it. A possible pathway for a corresponding experiment requires an angularly resolved detection of photoelectrons in coincidence with molecular fragment ions used to define a molecular frame of reference. Such studies have become, in principle, possible since the first XFELs with sufficiently high repetition rates have emerged. To further support our findings, we provide experimental evidence of H migration in ethanol-OD from ion-ion coincidence measurements performed with synchrotron radiation.
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Affiliation(s)
- T. Kuraoka
- Department
of Physics, University of Toyama, Gofuku 3190, Toyama 930-8555, Japan
| | - S. Goto
- Department
of Physics, University of Toyama, Gofuku 3190, Toyama 930-8555, Japan
| | - M. Kanno
- Department
of Chemistry, Tohoku University, 6-3 Aramaki Aza-Aoba, Aoba-ku, Sendai 980-8578, Japan
| | - S. Díaz-Tendero
- Departamento
de Química, Universidad Autónoma
de Madrid, Madrid 28049, Spain
- Condensed
Matter Physics Center (IFIMAC), Universidad
Autónoma de Madrid, Madrid 28049, Spain
- Institute
for Advanced Research in Chemical Sciences (IAdChem), Universidad Autónoma de Madrid, Madrid 28049, Spain
| | - J. Reino-González
- Instituto
Madrileño de Estudios Avanzados en Nanociencia (IMDEA-Nano), Campus de Cantoblanco, Madrid 28049, Spain
| | - F. Trinter
- Molecular
Physics, Fritz-Haber-Institut der Max-Planck-Gesellschaft, Faradayweg 4-6, Berlin 14195, Germany
| | - A. Pier
- Institut
für Kernphysik, Goethe-Universität
Frankfurt, Max-von-Laue-Straβe 1, Frankfurt am
Main 60438, Germany
| | - L. Sommerlad
- Institut
für Kernphysik, Goethe-Universität
Frankfurt, Max-von-Laue-Straβe 1, Frankfurt am
Main 60438, Germany
| | - N. Melzer
- Institut
für Kernphysik, Goethe-Universität
Frankfurt, Max-von-Laue-Straβe 1, Frankfurt am
Main 60438, Germany
| | - O. D. McGinnis
- Institut
für Kernphysik, Goethe-Universität
Frankfurt, Max-von-Laue-Straβe 1, Frankfurt am
Main 60438, Germany
| | - J. Kruse
- Institut
für Kernphysik, Goethe-Universität
Frankfurt, Max-von-Laue-Straβe 1, Frankfurt am
Main 60438, Germany
| | - T. Wenzel
- Institut
für Kernphysik, Goethe-Universität
Frankfurt, Max-von-Laue-Straβe 1, Frankfurt am
Main 60438, Germany
| | - T. Jahnke
- Max-Planck-Institut
für Kernphysik, Saupfercheckweg 1, Heidelberg 69117, Germany
- European
XFEL, Holzkoppel
4, Schenefeld 22869, Germany
| | - H. Xue
- Department
of Chemistry, Tohoku University, 6-3 Aramaki Aza-Aoba, Aoba-ku, Sendai 980-8578, Japan
| | - N. Kishimoto
- Department
of Chemistry, Tohoku University, 6-3 Aramaki Aza-Aoba, Aoba-ku, Sendai 980-8578, Japan
| | - K. Yoshikawa
- Department
of Physics, University of Toyama, Gofuku 3190, Toyama 930-8555, Japan
| | - Y. Tamura
- Department
of Physics, University of Toyama, Gofuku 3190, Toyama 930-8555, Japan
| | - F. Ota
- Department
of Physics, University of Toyama, Gofuku 3190, Toyama 930-8555, Japan
| | - K. Hatada
- Department
of Physics, University of Toyama, Gofuku 3190, Toyama 930-8555, Japan
| | - K. Ueda
- Department
of Chemistry, Tohoku University, 6-3 Aramaki Aza-Aoba, Aoba-ku, Sendai 980-8578, Japan
| | - F. Martín
- Departamento
de Química, Universidad Autónoma
de Madrid, Madrid 28049, Spain
- Instituto
Madrileño de Estudios Avanzados en Nanociencia (IMDEA-Nano), Campus de Cantoblanco, Madrid 28049, Spain
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Yamamoto S, Yamamoto K, Hirao Y, Yamaguchi K, Nakajima K, Sato M, Kawachi M, Domon M, Goto K, Omori K, Iino N, Shimada H, Aoyagi R, Ei I, Goto S, Goto Y, Gejyo F, Yamamoto T, Narita I. Mass spectrometry-based proteomic analysis of proteins adsorbed by hexadecyl-immobilized cellulose bead column for the treatment of dialysis-related amyloidosis. Amyloid 2024:1-11. [PMID: 38343068 DOI: 10.1080/13506129.2024.2315148] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 08/02/2023] [Accepted: 02/01/2024] [Indexed: 02/27/2024]
Abstract
BACKGROUND Dialysis-related amyloidosis (DRA) is a severe complication in end-stage kidney disease (ESKD) patients undergoing long-term dialysis treatment, characterized by the deposition of β2-microglobulin-related amyloids (Aβ2M amyloid). To inhibit DRA progression, hexadecyl-immobilized cellulose bead (HICB) columns are employed to adsorb circulating β2-microglobulin (β2M). However, it is possible that the HICB also adsorbs other molecules involved in amyloidogenesis. METHODS We enrolled 14 ESKD patients using HICB columns for DRA treatment; proteins were extracted from HICBs following treatment and identified using liquid chromatography-linked mass spectrometry. We measured the removal rate of these proteins and examined the effect of those molecules on Aβ2M amyloid fibril formation in vitro. RESULTS We identified 200 proteins adsorbed by HICBs. Of these, 21 were also detected in the amyloid deposits in the carpal tunnels of patients with DRA. After passing through the HICB column and hemodialyzer, the serum levels of proteins such as β2M, lysozyme, angiogenin, complement factor D and matrix Gla protein were reduced. These proteins acted in the Aβ2M amyloid fibril formation. CONCLUSIONS HICBs adsorbed diverse proteins in ESKD patients with DRA, including those detected in amyloid lesions. Direct hemoperfusion utilizing HICBs may play a role in acting Aβ2M amyloidogenesis by reducing the amyloid-related proteins.
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Affiliation(s)
- Suguru Yamamoto
- Division of Clinical Nephrology and Rheumatology, Niigata University Graduate School of Medical and Dental Sciences, Niigata, Japan
| | - Keiko Yamamoto
- Biofluid Biomarker Center, Niigata University, Niigata, Japan
| | - Yoshitoshi Hirao
- Instrumental Analysis Section, Okinawa Institute of Science and Technology, Onna, Japan
| | | | | | - Mami Sato
- Sakelogy Center, Niigata University, Niigata, Japan
| | - Miho Kawachi
- Division of Clinical Chemistry, Niigata University Graduate School of Health Sciences, Niigata, Japan
| | - Mio Domon
- Division of Clinical Nephrology and Rheumatology, Niigata University Graduate School of Medical and Dental Sciences, Niigata, Japan
| | - Kei Goto
- Division of Nephrology, Agano Municipal Hospital, Niigata, Japan
| | | | - Noriaki Iino
- Division of Nephrology, Uonuma Kikan Hospital, Niigata, Japan
| | | | - Ryuzi Aoyagi
- Department of Nephrology, Tachikawa General Hospital, Niigata, Japan
| | - Isei Ei
- Santo-Second Clinic, Niigata, Japan
| | - Shin Goto
- Division of Clinical Nephrology and Rheumatology, Niigata University Graduate School of Medical and Dental Sciences, Niigata, Japan
| | - Yuji Goto
- Graduate School of Engineering, Osaka University, Osaka, Japan
| | - Fumitake Gejyo
- Niigata University of Pharmacy and Applied Life Sciences, Niigata, Japan
| | - Tadashi Yamamoto
- Biofluid Biomarker Center, Niigata University, Niigata, Japan
- Department of Clinical Laboratory, Shinrakuen Hospital, Niigata, Japan
| | - Ichiei Narita
- Division of Clinical Nephrology and Rheumatology, Niigata University Graduate School of Medical and Dental Sciences, Niigata, Japan
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Tsuchida M, Goto S, Watanabe H, Goto S, Yamaguchi H, Narita I. Defective C3d caused by C3 p.W1034R in inherited atypical hemolytic uremic syndrome. Mol Genet Genomic Med 2024; 12:e2288. [PMID: 37795781 PMCID: PMC10767574 DOI: 10.1002/mgg3.2288] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/27/2023] [Revised: 09/12/2023] [Accepted: 09/19/2023] [Indexed: 10/06/2023] Open
Abstract
INTRODUCTION Atypical hemolytic uremic syndrome (aHUS) is a rare form of thrombotic microangiopathy. Personal genome analyses have revealed numerous aHUS-causing variants, mainly complement-related genes. However, not all aHUS-causing variants have been functionally validated. METHODS An exome sequence analysis of a Japanese multiplex family composed of three patients diagnosed with aHUS in infancy and showing frequent relapses clustered in a dominant transmission mode was performed. Protein interaction between the C3d and C-terminal domains of factor H was analyzed using a quartz crystal microbalance. RESULTS Following filtering by heterozygous variants, amino acid substitutions, and allele frequency, the analysis revealed eight rare variants shared by the affected individuals. Variant prioritization listed C3 p.W1034R as the most likely candidate gene mutation in the affected individuals, despite being classified as a variant of uncertain significance. Binding of recombinant C3d harboring 1034R to recombinant short consensus repeats 15 to 20 of factor H was significantly suppressed compared with that of C3 with 1034W. CONCLUSION C3 p.W1034R results in an inherited form of aHUS that often presents with recurrent episodes, possibly because of impaired interactions between the C3d and C-terminal domains of factor H. Following comprehensive genomic analysis, functional validation of C3 p.W1034R strengthens the molecular basis for aHUS pathophysiology.
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Affiliation(s)
- Masafumi Tsuchida
- Division of Clinical Nephrology and Rheumatology, Kidney Research CenterNiigata University Graduate School of Medical and Dental SciencesNiigataJapan
| | - Shin Goto
- Division of Clinical Nephrology and Rheumatology, Kidney Research CenterNiigata University Graduate School of Medical and Dental SciencesNiigataJapan
| | - Hirofumi Watanabe
- Division of Clinical Nephrology and Rheumatology, Kidney Research CenterNiigata University Graduate School of Medical and Dental SciencesNiigataJapan
| | - Sawako Goto
- Department of Applied Molecular Medicine, Kidney Research CenterNiigata University Graduate School of Medical and Dental SciencesNiigataJapan
| | - Hiroki Yamaguchi
- Division of Clinical Nephrology and Rheumatology, Kidney Research CenterNiigata University Graduate School of Medical and Dental SciencesNiigataJapan
| | - Ichiei Narita
- Division of Clinical Nephrology and Rheumatology, Kidney Research CenterNiigata University Graduate School of Medical and Dental SciencesNiigataJapan
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Staplin N, Haynes R, Judge PK, Wanner C, Green JB, Emberson J, Preiss D, Mayne KJ, Ng SYA, Sammons E, Zhu D, Hill M, Stevens W, Wallendszus K, Brenner S, Cheung AK, Liu ZH, Li J, Hooi LS, Liu WJ, Kadowaki T, Nangaku M, Levin A, Cherney D, Maggioni AP, Pontremoli R, Deo R, Goto S, Rossello X, Tuttle KR, Steubl D, Petrini M, Seidi S, Landray MJ, Baigent C, Herrington WG, Abat S, Abd Rahman R, Abdul Cader R, Abdul Hafidz MI, Abdul Wahab MZ, Abdullah NK, Abdul-Samad T, Abe M, Abraham N, Acheampong S, Achiri P, Acosta JA, Adeleke A, Adell V, Adewuyi-Dalton R, Adnan N, Africano A, Agharazii M, Aguilar F, Aguilera A, Ahmad M, Ahmad MK, Ahmad NA, Ahmad NH, Ahmad NI, Ahmad Miswan N, Ahmad Rosdi H, Ahmed I, Ahmed S, Ahmed S, Aiello J, Aitken A, AitSadi R, Aker S, Akimoto S, Akinfolarin A, Akram S, Alberici F, Albert C, Aldrich L, Alegata M, Alexander L, Alfaress S, Alhadj Ali M, Ali A, Ali A, Alicic R, Aliu A, Almaraz R, Almasarwah R, Almeida J, Aloisi A, Al-Rabadi L, Alscher D, Alvarez P, Al-Zeer B, Amat M, Ambrose C, Ammar H, An Y, Andriaccio L, Ansu K, Apostolidi A, Arai N, Araki H, Araki S, Arbi A, Arechiga O, Armstrong S, Arnold T, Aronoff S, Arriaga W, Arroyo J, Arteaga D, Asahara S, Asai A, Asai N, Asano S, Asawa M, Asmee MF, Aucella F, Augustin M, Avery A, Awad A, Awang IY, Awazawa M, Axler A, Ayub W, Azhari Z, Baccaro R, Badin C, Bagwell B, Bahlmann-Kroll E, Bahtar AZ, Baigent C, Bains D, Bajaj H, Baker R, Baldini E, Banas B, Banerjee D, Banno S, Bansal S, Barberi S, Barnes S, Barnini C, Barot C, Barrett K, Barrios R, Bartolomei Mecatti B, Barton I, Barton J, Basily W, Bavanandan S, Baxter A, Becker L, Beddhu S, Beige J, Beigh S, Bell S, Benck U, Beneat A, Bennett A, Bennett D, Benyon S, Berdeprado J, Bergler T, Bergner A, Berry M, Bevilacqua M, Bhairoo J, Bhandari S, Bhandary N, Bhatt A, Bhattarai M, Bhavsar M, Bian W, Bianchini F, Bianco S, Bilous R, Bilton J, Bilucaglia D, Bird C, Birudaraju D, Biscoveanu M, Blake C, Bleakley N, Bocchicchia K, Bodine S, Bodington R, Boedecker S, Bolduc M, Bolton S, Bond C, Boreky F, Boren K, Bouchi R, Bough L, Bovan D, Bowler C, Bowman L, Brar N, Braun C, Breach A, Breitenfeldt M, Brenner S, Brettschneider B, Brewer A, Brewer G, Brindle V, Brioni E, Brown C, Brown H, Brown L, Brown R, Brown S, Browne D, Bruce K, Brueckmann M, Brunskill N, Bryant M, Brzoska M, Bu Y, Buckman C, Budoff M, Bullen M, Burke A, Burnette S, Burston C, Busch M, Bushnell J, Butler S, Büttner C, Byrne C, Caamano A, Cadorna J, Cafiero C, Cagle M, Cai J, Calabrese K, Calvi C, Camilleri B, Camp S, Campbell D, Campbell R, Cao H, Capelli I, Caple M, Caplin B, Cardone A, Carle J, Carnall V, Caroppo M, Carr S, Carraro G, Carson M, Casares P, Castillo C, Castro C, Caudill B, Cejka V, Ceseri M, Cham L, Chamberlain A, Chambers J, Chan CBT, Chan JYM, Chan YC, Chang E, Chang E, Chant T, Chavagnon T, Chellamuthu P, Chen F, Chen J, Chen P, Chen TM, Chen Y, Chen Y, Cheng C, Cheng H, Cheng MC, Cherney D, Cheung AK, Ching CH, Chitalia N, Choksi R, Chukwu C, Chung K, Cianciolo G, Cipressa L, Clark S, Clarke H, Clarke R, Clarke S, Cleveland B, Cole E, Coles H, Condurache L, Connor A, Convery K, Cooper A, Cooper N, Cooper Z, Cooperman L, Cosgrove L, Coutts P, Cowley A, Craik R, Cui G, Cummins T, Dahl N, Dai H, Dajani L, D'Amelio A, Damian E, Damianik K, Danel L, Daniels C, Daniels T, Darbeau S, Darius H, Dasgupta T, Davies J, Davies L, Davis A, Davis J, Davis L, Dayanandan R, Dayi S, Dayrell R, De Nicola L, Debnath S, Deeb W, Degenhardt S, DeGoursey K, Delaney M, Deo R, DeRaad R, Derebail V, Dev D, Devaux M, Dhall P, Dhillon G, Dienes J, Dobre M, Doctolero E, Dodds V, Domingo D, Donaldson D, Donaldson P, Donhauser C, Donley V, Dorestin S, Dorey S, Doulton T, Draganova D, Draxlbauer K, Driver F, Du H, Dube F, Duck T, Dugal T, Dugas J, Dukka H, Dumann H, Durham W, Dursch M, Dykas R, Easow R, Eckrich E, Eden G, Edmerson E, Edwards H, Ee LW, Eguchi J, Ehrl Y, Eichstadt K, Eid W, Eilerman B, Ejima Y, Eldon H, Ellam T, Elliott L, Ellison R, Emberson J, Epp R, Er A, Espino-Obrero M, Estcourt S, Estienne L, Evans G, Evans J, Evans S, Fabbri G, Fajardo-Moser M, Falcone C, Fani F, Faria-Shayler P, Farnia F, Farrugia D, Fechter M, Fellowes D, Feng F, Fernandez J, Ferraro P, Field A, Fikry S, Finch J, Finn H, Fioretto P, Fish R, Fleischer A, Fleming-Brown D, Fletcher L, Flora R, Foellinger C, Foligno N, Forest S, Forghani Z, Forsyth K, Fottrell-Gould D, Fox P, Frankel A, Fraser D, Frazier R, Frederick K, Freking N, French H, Froment A, Fuchs B, Fuessl L, Fujii H, Fujimoto A, Fujita A, Fujita K, Fujita Y, Fukagawa M, Fukao Y, Fukasawa A, Fuller T, Funayama T, Fung E, Furukawa M, Furukawa Y, Furusho M, Gabel S, Gaidu J, Gaiser S, Gallo K, Galloway C, Gambaro G, Gan CC, Gangemi C, Gao M, Garcia K, Garcia M, Garofalo C, Garrity M, Garza A, Gasko S, Gavrila M, Gebeyehu B, Geddes A, Gentile G, George A, George J, Gesualdo L, Ghalli F, Ghanem A, Ghate T, Ghavampour S, Ghazi A, Gherman A, Giebeln-Hudnell U, Gill B, Gillham S, Girakossyan I, Girndt M, Giuffrida A, Glenwright M, Glider T, Gloria R, Glowski D, Goh BL, Goh CB, Gohda T, Goldenberg R, Goldfaden R, Goldsmith C, Golson B, Gonce V, Gong Q, Goodenough B, Goodwin N, Goonasekera M, Gordon A, Gordon J, Gore A, Goto H, Goto S, Goto S, Gowen D, Grace A, Graham J, Grandaliano G, Gray M, Green JB, Greene T, Greenwood G, Grewal B, Grifa R, Griffin D, Griffin S, Grimmer P, Grobovaite E, Grotjahn S, Guerini A, Guest C, Gunda S, Guo B, Guo Q, Haack S, Haase M, Haaser K, Habuki K, Hadley A, Hagan S, Hagge S, Haller H, Ham S, Hamal S, Hamamoto Y, Hamano N, Hamm M, Hanburry A, Haneda M, Hanf C, Hanif W, Hansen J, Hanson L, Hantel S, Haraguchi T, Harding E, Harding T, Hardy C, Hartner C, Harun Z, Harvill L, Hasan A, Hase H, Hasegawa F, Hasegawa T, Hashimoto A, Hashimoto C, Hashimoto M, Hashimoto S, Haskett S, Hauske SJ, Hawfield A, Hayami T, Hayashi M, Hayashi S, Haynes R, Hazara A, Healy C, Hecktman J, Heine G, Henderson H, Henschel R, Hepditch A, Herfurth K, Hernandez G, Hernandez Pena A, Hernandez-Cassis C, Herrington WG, Herzog C, Hewins S, Hewitt D, Hichkad L, Higashi S, Higuchi C, Hill C, Hill L, Hill M, Himeno T, Hing A, Hirakawa Y, Hirata K, Hirota Y, Hisatake T, Hitchcock S, Hodakowski A, Hodge W, Hogan R, Hohenstatt U, Hohenstein B, Hooi L, Hope S, Hopley M, Horikawa S, Hosein D, Hosooka T, Hou L, Hou W, Howie L, Howson A, Hozak M, Htet Z, Hu X, Hu Y, Huang J, Huda N, Hudig L, Hudson A, Hugo C, Hull R, Hume L, Hundei W, Hunt N, Hunter A, Hurley S, Hurst A, Hutchinson C, Hyo T, Ibrahim FH, Ibrahim S, Ihana N, Ikeda T, Imai A, Imamine R, Inamori A, Inazawa H, Ingell J, Inomata K, Inukai Y, Ioka M, Irtiza-Ali A, Isakova T, Isari W, Iselt M, Ishiguro A, Ishihara K, Ishikawa T, Ishimoto T, Ishizuka K, Ismail R, Itano S, Ito H, Ito K, Ito M, Ito Y, Iwagaitsu S, Iwaita Y, Iwakura T, Iwamoto M, Iwasa M, Iwasaki H, Iwasaki S, Izumi K, Izumi K, Izumi T, Jaafar SM, Jackson C, Jackson Y, Jafari G, Jahangiriesmaili M, Jain N, Jansson K, Jasim H, Jeffers L, Jenkins A, Jesky M, Jesus-Silva J, Jeyarajah D, Jiang Y, Jiao X, Jimenez G, Jin B, Jin Q, Jochims J, Johns B, Johnson C, Johnson T, Jolly S, Jones L, Jones L, Jones S, Jones T, Jones V, Joseph M, Joshi S, Judge P, Junejo N, Junus S, Kachele M, Kadowaki T, Kadoya H, Kaga H, Kai H, Kajio H, Kaluza-Schilling W, Kamaruzaman L, Kamarzarian A, Kamimura Y, Kamiya H, Kamundi C, Kan T, Kanaguchi Y, Kanazawa A, Kanda E, Kanegae S, Kaneko K, Kaneko K, Kang HY, Kano T, Karim M, Karounos D, Karsan W, Kasagi R, Kashihara N, Katagiri H, Katanosaka A, Katayama A, Katayama M, Katiman E, Kato K, Kato M, Kato N, Kato S, Kato T, Kato Y, Katsuda Y, Katsuno T, Kaufeld J, Kavak Y, Kawai I, Kawai M, Kawai M, Kawase A, Kawashima S, Kazory A, Kearney J, Keith B, Kellett J, Kelley S, Kershaw M, Ketteler M, Khai Q, Khairullah Q, Khandwala H, Khoo KKL, Khwaja A, Kidokoro K, Kielstein J, Kihara M, Kimber C, Kimura S, Kinashi H, Kingston H, Kinomura M, Kinsella-Perks E, Kitagawa M, Kitajima M, Kitamura S, Kiyosue A, Kiyota M, Klauser F, Klausmann G, Kmietschak W, Knapp K, Knight C, Knoppe A, Knott C, Kobayashi M, Kobayashi R, Kobayashi T, Koch M, Kodama S, Kodani N, Kogure E, Koizumi M, Kojima H, Kojo T, Kolhe N, Komaba H, Komiya T, Komori H, Kon SP, Kondo M, Kondo M, Kong W, Konishi M, Kono K, Koshino M, Kosugi T, Kothapalli B, Kozlowski T, Kraemer B, Kraemer-Guth A, Krappe J, Kraus D, Kriatselis C, Krieger C, Krish P, Kruger B, Ku Md Razi KR, Kuan Y, Kubota S, Kuhn S, Kumar P, Kume S, Kummer I, Kumuji R, Küpper A, Kuramae T, Kurian L, Kuribayashi C, Kurien R, Kuroda E, Kurose T, Kutschat A, Kuwabara N, Kuwata H, La Manna G, Lacey M, Lafferty K, LaFleur P, Lai V, Laity E, Lambert A, Landray MJ, Langlois M, Latif F, Latore E, Laundy E, Laurienti D, Lawson A, Lay M, Leal I, Leal I, Lee AK, Lee J, Lee KQ, Lee R, Lee SA, Lee YY, Lee-Barkey Y, Leonard N, Leoncini G, Leong CM, Lerario S, Leslie A, Levin A, Lewington A, Li J, Li N, Li X, Li Y, Liberti L, Liberti ME, Liew A, Liew YF, Lilavivat U, Lim SK, Lim YS, Limon E, Lin H, Lioudaki E, Liu H, Liu J, Liu L, Liu Q, Liu WJ, Liu X, Liu Z, Loader D, Lochhead H, Loh CL, Lorimer A, Loudermilk L, Loutan J, Low CK, Low CL, Low YM, Lozon Z, Lu Y, Lucci D, Ludwig U, Luker N, Lund D, Lustig R, Lyle S, Macdonald C, MacDougall I, Machicado R, MacLean D, Macleod P, Madera A, Madore F, Maeda K, Maegawa H, Maeno S, Mafham M, Magee J, Maggioni AP, Mah DY, Mahabadi V, Maiguma M, Makita Y, Makos G, Manco L, Mangiacapra R, Manley J, Mann P, Mano S, Marcotte G, Maris J, Mark P, Markau S, Markovic M, Marshall C, Martin M, Martinez C, Martinez S, Martins G, Maruyama K, Maruyama S, Marx K, Maselli A, Masengu A, Maskill A, Masumoto S, Masutani K, Matsumoto M, Matsunaga T, Matsuoka N, Matsushita M, Matthews M, Matthias S, Matvienko E, Maurer M, Maxwell P, Mayne KJ, Mazlan N, Mazlan SA, Mbuyisa A, McCafferty K, McCarroll F, McCarthy T, McClary-Wright C, McCray K, McDermott P, McDonald C, McDougall R, McHaffie E, McIntosh K, McKinley T, McLaughlin S, McLean N, McNeil L, Measor A, Meek J, Mehta A, Mehta R, Melandri M, Mené P, Meng T, Menne J, Merritt K, Merscher S, Meshykhi C, Messa P, Messinger L, Miftari N, Miller R, Miller Y, Miller-Hodges E, Minatoguchi M, Miners M, Minutolo R, Mita T, Miura Y, Miyaji M, Miyamoto S, Miyatsuka T, Miyazaki M, Miyazawa I, Mizumachi R, Mizuno M, Moffat S, Mohamad Nor FS, Mohamad Zaini SN, Mohamed Affandi FA, Mohandas C, Mohd R, Mohd Fauzi NA, Mohd Sharif NH, Mohd Yusoff Y, Moist L, Moncada A, Montasser M, Moon A, Moran C, Morgan N, Moriarty J, Morig G, Morinaga H, Morino K, Morisaki T, Morishita Y, Morlok S, Morris A, Morris F, Mostafa S, Mostefai Y, Motegi M, Motherwell N, Motta D, Mottl A, Moys R, Mozaffari S, Muir J, Mulhern J, Mulligan S, Munakata Y, Murakami C, Murakoshi M, Murawska A, Murphy K, Murphy L, Murray S, Murtagh H, Musa MA, Mushahar L, Mustafa R, Mustafar R, Muto M, Nadar E, Nagano R, Nagasawa T, Nagashima E, Nagasu H, Nagelberg S, Nair H, Nakagawa Y, Nakahara M, 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Yamagata K, Yamaguchi M, Yamaji Y, Yamamoto A, Yamamoto S, Yamamoto S, Yamamoto T, Yamanaka A, Yamano T, Yamanouchi Y, Yamasaki N, Yamasaki Y, Yamasaki Y, Yamashita C, Yamauchi T, Yan Q, Yanagisawa E, Yang F, Yang L, Yano S, Yao S, Yao Y, Yarlagadda S, Yasuda Y, Yiu V, Yokoyama T, Yoshida S, Yoshidome E, Yoshikawa H, Young A, Young T, Yousif V, Yu H, Yu Y, Yuasa K, Yusof N, Zalunardo N, Zander B, Zani R, Zappulo F, Zayed M, Zemann B, Zettergren P, Zhang H, Zhang L, Zhang L, Zhang N, Zhang X, Zhao J, Zhao L, Zhao S, Zhao Z, Zhong H, Zhou N, Zhou S, Zhu D, Zhu L, Zhu S, Zietz M, Zippo M, Zirino F, Zulkipli FH. Effects of empagliflozin on progression of chronic kidney disease: a prespecified secondary analysis from the empa-kidney trial. Lancet Diabetes Endocrinol 2024; 12:39-50. [PMID: 38061371 PMCID: PMC7615591 DOI: 10.1016/s2213-8587(23)00321-2] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 09/05/2023] [Revised: 10/24/2023] [Accepted: 10/25/2023] [Indexed: 12/23/2023]
Abstract
BACKGROUND Sodium-glucose co-transporter-2 (SGLT2) inhibitors reduce progression of chronic kidney disease and the risk of cardiovascular morbidity and mortality in a wide range of patients. However, their effects on kidney disease progression in some patients with chronic kidney disease are unclear because few clinical kidney outcomes occurred among such patients in the completed trials. In particular, some guidelines stratify their level of recommendation about who should be treated with SGLT2 inhibitors based on diabetes status and albuminuria. We aimed to assess the effects of empagliflozin on progression of chronic kidney disease both overall and among specific types of participants in the EMPA-KIDNEY trial. METHODS EMPA-KIDNEY, a randomised, controlled, phase 3 trial, was conducted at 241 centres in eight countries (Canada, China, Germany, Italy, Japan, Malaysia, the UK, and the USA), and included individuals aged 18 years or older with an estimated glomerular filtration rate (eGFR) of 20 to less than 45 mL/min per 1·73 m2, or with an eGFR of 45 to less than 90 mL/min per 1·73 m2 with a urinary albumin-to-creatinine ratio (uACR) of 200 mg/g or higher. We explored the effects of 10 mg oral empagliflozin once daily versus placebo on the annualised rate of change in estimated glomerular filtration rate (eGFR slope), a tertiary outcome. We studied the acute slope (from randomisation to 2 months) and chronic slope (from 2 months onwards) separately, using shared parameter models to estimate the latter. Analyses were done in all randomly assigned participants by intention to treat. EMPA-KIDNEY is registered at ClinicalTrials.gov, NCT03594110. FINDINGS Between May 15, 2019, and April 16, 2021, 6609 participants were randomly assigned and then followed up for a median of 2·0 years (IQR 1·5-2·4). Prespecified subgroups of eGFR included 2282 (34·5%) participants with an eGFR of less than 30 mL/min per 1·73 m2, 2928 (44·3%) with an eGFR of 30 to less than 45 mL/min per 1·73 m2, and 1399 (21·2%) with an eGFR 45 mL/min per 1·73 m2 or higher. Prespecified subgroups of uACR included 1328 (20·1%) with a uACR of less than 30 mg/g, 1864 (28·2%) with a uACR of 30 to 300 mg/g, and 3417 (51·7%) with a uACR of more than 300 mg/g. Overall, allocation to empagliflozin caused an acute 2·12 mL/min per 1·73 m2 (95% CI 1·83-2·41) reduction in eGFR, equivalent to a 6% (5-6) dip in the first 2 months. After this, it halved the chronic slope from -2·75 to -1·37 mL/min per 1·73 m2 per year (relative difference 50%, 95% CI 42-58). The absolute and relative benefits of empagliflozin on the magnitude of the chronic slope varied significantly depending on diabetes status and baseline levels of eGFR and uACR. In particular, the absolute difference in chronic slopes was lower in patients with lower baseline uACR, but because this group progressed more slowly than those with higher uACR, this translated to a larger relative difference in chronic slopes in this group (86% [36-136] reduction in the chronic slope among those with baseline uACR <30 mg/g compared with a 29% [19-38] reduction for those with baseline uACR ≥2000 mg/g; ptrend<0·0001). INTERPRETATION Empagliflozin slowed the rate of progression of chronic kidney disease among all types of participant in the EMPA-KIDNEY trial, including those with little albuminuria. Albuminuria alone should not be used to determine whether to treat with an SGLT2 inhibitor. FUNDING Boehringer Ingelheim and Eli Lilly.
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Yamamoto S, Tanaka T, Omori K, Ei I, Kikuchi K, Konagai A, Goto S, Kitamura N, Narita I. Pruritus and protein-bound uremic toxins in patients undergoing hemodialysis: a cross-sectional study. Clin Kidney J 2024; 17:sfae007. [PMID: 38283986 PMCID: PMC10818225 DOI: 10.1093/ckj/sfae007] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/14/2023] [Indexed: 01/30/2024] Open
Abstract
Background Patients undergoing hemodialysis frequently experience pruritus; its severity is associated with poor quality of life and mortality. Recent progress in hemodialysis treatment has improved the removal of small- and middle-molecular-weight molecules; however, the removal of protein-bound uremic toxins (PBUTs) remains difficult. It is possible that pruritus is associated with serum PBUTs in patients undergoing hemodialysis. Methods We conducted a multicenter cross-sectional study in patients undergoing hemodialysis (n = 135). The severity of pruritus was assessed using the 5D-itch scale and medication use. Serum PBUTs, including indoxyl sulfate, p-cresyl sulfate, indole acetic acid, phenyl sulfate, and hippuric acid, were measured using mass spectrometry; the PBUT score was calculated from these toxins using principal component analysis. Univariate and multiple regression analyses were performed to examine independent predictors of pruritus. Results Pruritus was reported by 62.2%, 21.5%, and 13.3%, 1.5% and 0.7% as 5 (not at all), 6-10, 11-15, 16-20, and 21-25 points, respectively. The PBUT score was higher in patients undergoing dialysis having pruritus than those without pruritus (0.201 [-0.021 to 0.424] vs -0.120 [-0.326 to 0.087]; P = 0.046). The PBUT score was shown to have an association with the presence of pruritus (coefficient 0.498[Formula: see text]0.225, odds ratio: 1.65 [1.06-2.56]; P = 0.027). Conclusion Uremic pruritus was frequently found and associated with the PBUT score in patients undergoing hemodialysis. Further studies are required to clarify the impact of PBUTs on uremic pruritus and to explore therapeutic strategies in patients undergoing hemodialysis.
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Affiliation(s)
- Suguru Yamamoto
- Division of Clinical Nephrology and Rheumatology, Niigata University Graduate School of Medical and Dental Sciences, Niigata, Japan
| | - Takahiro Tanaka
- Clinical and Translational Research Center, Niigata University Medical and Dental Hospital, Niigata, Japan
| | | | - Isei Ei
- Santo-Second Clinic, Niigata, Japan
| | - Kaori Kikuchi
- Research and Development Division, Kureha Corporation, Tokyo, Japan
| | - Ayano Konagai
- Research and Development Division, Kureha Corporation, Tokyo, Japan
| | - Shin Goto
- Division of Clinical Nephrology and Rheumatology, Niigata University Graduate School of Medical and Dental Sciences, Niigata, Japan
| | - Nobutaka Kitamura
- Clinical and Translational Research Center, Niigata University Medical and Dental Hospital, Niigata, Japan
| | - Ichiei Narita
- Division of Clinical Nephrology and Rheumatology, Niigata University Graduate School of Medical and Dental Sciences, Niigata, Japan
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B, Gillham S, Girakossyan I, Girndt M, Giuffrida A, Glenwright M, Glider T, Gloria R, Glowski D, Goh BL, Goh CB, Gohda T, Goldenberg R, Goldfaden R, Goldsmith C, Golson B, Gonce V, Gong Q, Goodenough B, Goodwin N, Goonasekera M, Gordon A, Gordon J, Gore A, Goto H, Goto S, Goto S, Gowen D, Grace A, Graham J, Grandaliano G, Gray M, Green JB, Greene T, Greenwood G, Grewal B, Grifa R, Griffin D, Griffin S, Grimmer P, Grobovaite E, Grotjahn S, Guerini A, Guest C, Gunda S, Guo B, Guo Q, Haack S, Haase M, Haaser K, Habuki K, Hadley A, Hagan S, Hagge S, Haller H, Ham S, Hamal S, Hamamoto Y, Hamano N, Hamm M, Hanburry A, Haneda M, Hanf C, Hanif W, Hansen J, Hanson L, Hantel S, Haraguchi T, Harding E, Harding T, Hardy C, Hartner C, Harun Z, Harvill L, Hasan A, Hase H, Hasegawa F, Hasegawa T, Hashimoto A, Hashimoto C, Hashimoto M, Hashimoto S, Haskett S, Hauske SJ, Hawfield A, Hayami T, Hayashi M, Hayashi S, Haynes R, Hazara A, Healy C, Hecktman J, Heine G, Henderson H, Henschel R, Hepditch A, 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Liew A, Liew YF, Lilavivat U, Lim SK, Lim YS, Limon E, Lin H, Lioudaki E, Liu H, Liu J, Liu L, Liu Q, Liu WJ, Liu X, Liu Z, Loader D, Lochhead H, Loh CL, Lorimer A, Loudermilk L, Loutan J, Low CK, Low CL, Low YM, Lozon Z, Lu Y, Lucci D, Ludwig U, Luker N, Lund D, Lustig R, Lyle S, Macdonald C, MacDougall I, Machicado R, MacLean D, Macleod P, Madera A, Madore F, Maeda K, Maegawa H, Maeno S, Mafham M, Magee J, Maggioni AP, Mah DY, Mahabadi V, Maiguma M, Makita Y, Makos G, Manco L, Mangiacapra R, Manley J, Mann P, Mano S, Marcotte G, Maris J, Mark P, Markau S, Markovic M, Marshall C, Martin M, Martinez C, Martinez S, Martins G, Maruyama K, Maruyama S, Marx K, Maselli A, Masengu A, Maskill A, Masumoto S, Masutani K, Matsumoto M, Matsunaga T, Matsuoka N, Matsushita M, Matthews M, Matthias S, Matvienko E, Maurer M, Maxwell P, Mayne KJ, Mazlan N, Mazlan SA, Mbuyisa A, McCafferty K, McCarroll F, McCarthy T, McClary-Wright C, McCray K, McDermott P, McDonald C, McDougall R, McHaffie E, McIntosh K, McKinley T, McLaughlin S, McLean N, McNeil L, Measor A, Meek J, Mehta A, Mehta R, Melandri M, Mené P, Meng T, Menne J, Merritt K, Merscher S, Meshykhi C, Messa P, Messinger L, Miftari N, Miller R, Miller Y, Miller-Hodges E, Minatoguchi M, Miners M, Minutolo R, Mita T, Miura Y, Miyaji M, Miyamoto S, Miyatsuka T, Miyazaki M, Miyazawa I, Mizumachi R, Mizuno M, Moffat S, Mohamad Nor FS, Mohamad Zaini SN, Mohamed Affandi FA, Mohandas C, Mohd R, Mohd Fauzi NA, Mohd Sharif NH, Mohd Yusoff Y, Moist L, Moncada A, Montasser M, Moon A, Moran C, Morgan N, Moriarty J, Morig G, Morinaga H, Morino K, Morisaki T, Morishita Y, Morlok S, Morris A, Morris F, Mostafa S, Mostefai Y, Motegi M, Motherwell N, Motta D, Mottl A, Moys R, Mozaffari S, Muir J, Mulhern J, Mulligan S, Munakata Y, Murakami C, Murakoshi M, Murawska A, Murphy K, Murphy L, Murray S, Murtagh H, Musa MA, Mushahar L, Mustafa R, Mustafar R, Muto M, Nadar E, Nagano R, Nagasawa T, Nagashima E, Nagasu H, Nagelberg S, Nair H, Nakagawa Y, Nakahara M, Nakamura J, Nakamura R, Nakamura T, Nakaoka M, Nakashima E, Nakata J, Nakata M, Nakatani S, Nakatsuka A, Nakayama Y, Nakhoul G, Nangaku M, Naverrete G, Navivala A, Nazeer I, Negrea L, Nethaji C, Newman E, Ng SYA, Ng TJ, Ngu LLS, Nimbkar T, Nishi H, Nishi M, Nishi S, Nishida Y, Nishiyama A, Niu J, Niu P, Nobili G, Nohara N, Nojima I, Nolan J, Nosseir H, Nozawa M, Nunn M, Nunokawa S, Oda M, Oe M, Oe Y, Ogane K, Ogawa W, Ogihara T, Oguchi G, Ohsugi M, Oishi K, Okada Y, Okajyo J, Okamoto S, Okamura K, Olufuwa O, Oluyombo R, Omata A, Omori Y, Ong LM, Ong YC, Onyema J, Oomatia A, Oommen A, Oremus R, Orimo Y, Ortalda V, Osaki Y, Osawa Y, Osmond Foster J, O'Sullivan A, Otani T, Othman N, Otomo S, O'Toole J, Owen L, Ozawa T, Padiyar A, Page N, Pajak S, Paliege A, Pandey A, Pandey R, Pariani H, Park J, Parrigon M, Passauer J, Patecki M, Patel M, Patel R, Patel T, Patel Z, Paul R, Paul R, Paulsen L, Pavone L, Peixoto A, Peji J, Peng BC, Peng K, Pennino L, Pereira E, Perez E, Pergola P, Pesce F, Pessolano G, Petchey W, Petr EJ, Pfab T, Phelan P, Phillips R, Phillips T, Phipps M, Piccinni G, Pickett T, Pickworth S, Piemontese M, Pinto D, Piper J, Plummer-Morgan J, Poehler D, Polese L, Poma V, Pontremoli R, Postal A, Pötz C, Power A, Pradhan N, Pradhan R, Preiss D, Preiss E, Preston K, Prib N, Price L, Provenzano C, Pugay C, Pulido R, Putz F, Qiao Y, Quartagno R, Quashie-Akponeware M, Rabara R, Rabasa-Lhoret R, Radhakrishnan D, Radley M, Raff R, Raguwaran S, Rahbari-Oskoui F, Rahman M, Rahmat K, Ramadoss S, Ramanaidu S, Ramasamy S, Ramli R, Ramli S, Ramsey T, Rankin A, Rashidi A, Raymond L, Razali WAFA, Read K, Reiner H, Reisler A, Reith C, Renner J, Rettenmaier B, Richmond L, Rijos D, Rivera R, Rivers V, Robinson H, Rocco M, Rodriguez-Bachiller I, Rodriquez R, Roesch C, Roesch J, Rogers J, Rohnstock M, Rolfsmeier S, Roman M, Romo A, Rosati A, Rosenberg S, Ross T, Rossello X, Roura M, Roussel M, Rovner S, Roy S, Rucker S, Rump L, Ruocco M, Ruse S, Russo F, Russo M, Ryder M, Sabarai A, Saccà C, Sachson R, Sadler E, Safiee NS, Sahani M, Saillant A, Saini J, Saito C, Saito S, Sakaguchi K, Sakai M, Salim H, Salviani C, Sammons E, Sampson A, Samson F, Sandercock P, Sanguila S, Santorelli G, Santoro D, Sarabu N, Saram T, Sardell R, Sasajima H, Sasaki T, Satko S, Sato A, Sato D, Sato H, Sato H, Sato J, Sato T, Sato Y, Satoh M, Sawada K, Schanz M, Scheidemantel F, Schemmelmann M, Schettler E, Schettler V, Schlieper GR, Schmidt C, Schmidt G, Schmidt U, Schmidt-Gurtler H, Schmude M, Schneider A, Schneider I, Schneider-Danwitz C, Schomig M, Schramm T, Schreiber A, Schricker S, Schroppel B, Schulte-Kemna L, Schulz E, Schumacher B, Schuster A, Schwab A, Scolari F, Scott A, Seeger W, Seeger W, Segal M, Seifert L, Seifert M, Sekiya M, Sellars R, Seman MR, Shah S, Shah S, Shainberg L, Shanmuganathan M, Shao F, Sharma K, Sharpe C, Sheikh-Ali M, Sheldon J, Shenton C, Shepherd A, Shepperd M, Sheridan R, Sheriff Z, Shibata Y, Shigehara T, Shikata K, Shimamura K, Shimano H, Shimizu Y, Shimoda H, Shin K, Shivashankar G, Shojima N, Silva R, Sim CSB, Simmons K, Sinha S, Sitter T, Sivanandam S, Skipper M, Sloan K, Sloan L, Smith R, Smyth J, Sobande T, Sobata M, Somalanka S, Song X, Sonntag F, Sood B, Sor SY, Soufer J, Sparks H, Spatoliatore G, Spinola T, Squyres S, Srivastava A, Stanfield J, Staplin N, Staylor K, Steele A, Steen O, Steffl D, Stegbauer J, Stellbrink C, Stellbrink E, Stevens W, Stevenson A, Stewart-Ray V, Stickley J, Stoffler D, Stratmann B, Streitenberger S, Strutz F, Stubbs J, Stumpf J, Suazo N, Suchinda P, Suckling R, Sudin A, Sugamori K, Sugawara H, Sugawara K, Sugimoto D, Sugiyama H, Sugiyama H, Sugiyama T, Sullivan M, Sumi M, Suresh N, Sutton D, Suzuki H, Suzuki R, Suzuki Y, Suzuki Y, Suzuki Y, Swanson E, Swift P, Syed S, Szerlip H, Taal M, Taddeo M, Tailor C, Tajima K, Takagi M, Takahashi K, Takahashi K, Takahashi M, Takahashi T, Takahira E, Takai T, Takaoka M, Takeoka J, Takesada A, Takezawa M, Talbot M, Taliercio J, Talsania T, Tamori Y, Tamura R, Tamura Y, Tan CHH, Tan EZZ, Tanabe A, Tanabe K, Tanaka A, Tanaka A, Tanaka N, Tang S, Tang Z, Tanigaki K, Tarlac M, Tatsuzawa A, Tay JF, Tay LL, Taylor J, Taylor K, Taylor K, Te A, Tenbusch L, Teng KS, Terakawa A, Terry J, Tham ZD, Tholl S, Thomas G, Thong KM, Tietjen D, Timadjer A, Tindall H, Tipper S, Tobin K, Toda N, Tokuyama A, Tolibas M, Tomita A, Tomita T, Tomlinson J, Tonks L, Topf J, Topping S, Torp A, Torres A, Totaro F, Toth P, Toyonaga Y, Tripodi F, Trivedi K, Tropman E, Tschope D, Tse J, Tsuji K, Tsunekawa S, Tsunoda R, Tucky B, Tufail S, Tuffaha A, Turan E, Turner H, Turner J, Turner M, Tuttle KR, Tye YL, Tyler A, Tyler J, Uchi H, Uchida H, Uchida T, Uchida T, Udagawa T, Ueda S, Ueda Y, Ueki K, Ugni S, Ugwu E, Umeno R, Unekawa C, Uozumi K, Urquia K, Valleteau A, Valletta C, van Erp R, Vanhoy C, Varad V, Varma R, Varughese A, Vasquez P, Vasseur A, Veelken R, Velagapudi C, Verdel K, Vettoretti S, Vezzoli G, Vielhauer V, Viera R, Vilar E, Villaruel S, Vinall L, Vinathan J, Visnjic M, Voigt E, von-Eynatten M, Vourvou M, Wada J, Wada J, Wada T, Wada Y, Wakayama K, Wakita Y, Wallendszus K, Walters T, Wan Mohamad WH, Wang L, Wang W, Wang X, Wang X, Wang Y, Wanner C, Wanninayake S, Watada H, Watanabe K, Watanabe K, Watanabe M, Waterfall H, Watkins D, Watson S, Weaving L, Weber B, Webley Y, Webster A, Webster M, Weetman M, Wei W, Weihprecht H, Weiland L, Weinmann-Menke J, Weinreich T, Wendt R, Weng Y, Whalen M, Whalley G, Wheatley R, Wheeler A, Wheeler J, Whelton P, White K, Whitmore B, Whittaker S, Wiebel J, Wiley J, Wilkinson L, Willett M, Williams A, Williams E, Williams K, Williams T, Wilson A, Wilson P, Wincott L, Wines E, Winkelmann B, Winkler M, Winter-Goodwin B, Witczak J, Wittes J, Wittmann M, Wolf G, Wolf L, Wolfling R, Wong C, Wong E, Wong HS, Wong LW, Wong YH, Wonnacott A, Wood A, Wood L, Woodhouse H, Wooding N, Woodman A, Wren K, Wu J, Wu P, Xia S, Xiao H, Xiao X, Xie Y, Xu C, Xu Y, Xue H, Yahaya H, Yalamanchili H, Yamada A, Yamada N, Yamagata K, Yamaguchi M, Yamaji Y, Yamamoto A, Yamamoto S, Yamamoto S, Yamamoto T, Yamanaka A, Yamano T, Yamanouchi Y, Yamasaki N, Yamasaki Y, Yamasaki Y, Yamashita C, Yamauchi T, Yan Q, Yanagisawa E, Yang F, Yang L, Yano S, Yao S, Yao Y, Yarlagadda S, Yasuda Y, Yiu V, Yokoyama T, Yoshida S, Yoshidome E, Yoshikawa H, Young A, Young T, Yousif V, Yu H, Yu Y, Yuasa K, Yusof N, Zalunardo N, Zander B, Zani R, Zappulo F, Zayed M, Zemann B, Zettergren P, Zhang H, Zhang L, Zhang L, Zhang N, Zhang X, Zhao J, Zhao L, Zhao S, Zhao Z, Zhong H, Zhou N, Zhou S, Zhu D, Zhu L, Zhu S, Zietz M, Zippo M, Zirino F, Zulkipli FH. Impact of primary kidney disease on the effects of empagliflozin in patients with chronic kidney disease: secondary analyses of the EMPA-KIDNEY trial. Lancet Diabetes Endocrinol 2024; 12:51-60. [PMID: 38061372 DOI: 10.1016/s2213-8587(23)00322-4] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 09/05/2023] [Revised: 10/24/2023] [Accepted: 10/25/2023] [Indexed: 12/23/2023]
Abstract
BACKGROUND The EMPA-KIDNEY trial showed that empagliflozin reduced the risk of the primary composite outcome of kidney disease progression or cardiovascular death in patients with chronic kidney disease mainly through slowing progression. We aimed to assess how effects of empagliflozin might differ by primary kidney disease across its broad population. METHODS EMPA-KIDNEY, a randomised, controlled, phase 3 trial, was conducted at 241 centres in eight countries (Canada, China, Germany, Italy, Japan, Malaysia, the UK, and the USA). Patients were eligible if their estimated glomerular filtration rate (eGFR) was 20 to less than 45 mL/min per 1·73 m2, or 45 to less than 90 mL/min per 1·73 m2 with a urinary albumin-to-creatinine ratio (uACR) of 200 mg/g or higher at screening. They were randomly assigned (1:1) to 10 mg oral empagliflozin once daily or matching placebo. Effects on kidney disease progression (defined as a sustained ≥40% eGFR decline from randomisation, end-stage kidney disease, a sustained eGFR below 10 mL/min per 1·73 m2, or death from kidney failure) were assessed using prespecified Cox models, and eGFR slope analyses used shared parameter models. Subgroup comparisons were performed by including relevant interaction terms in models. EMPA-KIDNEY is registered with ClinicalTrials.gov, NCT03594110. FINDINGS Between May 15, 2019, and April 16, 2021, 6609 participants were randomly assigned and followed up for a median of 2·0 years (IQR 1·5-2·4). Prespecified subgroupings by primary kidney disease included 2057 (31·1%) participants with diabetic kidney disease, 1669 (25·3%) with glomerular disease, 1445 (21·9%) with hypertensive or renovascular disease, and 1438 (21·8%) with other or unknown causes. Kidney disease progression occurred in 384 (11·6%) of 3304 patients in the empagliflozin group and 504 (15·2%) of 3305 patients in the placebo group (hazard ratio 0·71 [95% CI 0·62-0·81]), with no evidence that the relative effect size varied significantly by primary kidney disease (pheterogeneity=0·62). The between-group difference in chronic eGFR slopes (ie, from 2 months to final follow-up) was 1·37 mL/min per 1·73 m2 per year (95% CI 1·16-1·59), representing a 50% (42-58) reduction in the rate of chronic eGFR decline. This relative effect of empagliflozin on chronic eGFR slope was similar in analyses by different primary kidney diseases, including in explorations by type of glomerular disease and diabetes (p values for heterogeneity all >0·1). INTERPRETATION In a broad range of patients with chronic kidney disease at risk of progression, including a wide range of non-diabetic causes of chronic kidney disease, empagliflozin reduced risk of kidney disease progression. Relative effect sizes were broadly similar irrespective of the cause of primary kidney disease, suggesting that SGLT2 inhibitors should be part of a standard of care to minimise risk of kidney failure in chronic kidney disease. FUNDING Boehringer Ingelheim, Eli Lilly, and UK Medical Research Council.
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Yoshida S, Yamamoto S, Miyauchi D, Terashima R, Hashimoto A, Miyazawa H, Tanaka T, Ishizawa M, Tanaka M, Tomita Y, Aoike I, Goto S, Narita I. Removal of α1-Microglobulin Using Post-Dilution Online Hemodiafiltration with Polymethylmethacrylate Membrane: An Open-Label, Single-Arm Study. Blood Purif 2023; 53:123-129. [PMID: 37939684 DOI: 10.1159/000534459] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/21/2023] [Accepted: 09/29/2023] [Indexed: 11/10/2023]
Abstract
INTRODUCTION The removal of low- and medium-molecular-weight proteins has been improved with online hemodiafiltration (OL-HDF) and hemodialysis using high-flux membranes; however, the outcomes of patients with end-stage kidney disease (ESKD) undergoing dialysis treatment are still worse than in the general population. α1-Microglobulin (α1-m), with a molecular weight of 33,000 Da, may contribute to dialysis-related disorders and mortality. However, the removal is insufficient even with current OL-HDF using the polysulfone (PS) membrane, which is common in Japan. Polymethylmethacrylate (PMMA) membranes can remove medium- to high-molecular-weight proteins by adsorption. This study aimed to assess the efficacy of removing medium- to high-molecular-weight proteins, such as α1-m and β2-microglobulin (β2-m), through post-dilution OL-HDF with PMMA (Post-PMMA). The assessment was conducted in comparison to pre-dilution OL-HDF with PS (Pre-PS), using an open-label, single-arm study. METHODS Seven patients with ESKD on Pre-PS underwent Post-PMMA with replacement volume of 30 mL/min (low flow) and 50 mL/min (high flow). Clearance and removal rates of α1-m, β2-m, small molecules, inflammatory cytokines, and albumin were measured at 60 and 240 min of treatment. RESULTS Clearance rates of α1-m at 60 min were -2.8 ± 5.2 mL/min with Pre-PS, -0.4 ± 2.6 mL/min with Post-PMMA (low), and 0.6 ± 3.4 mL/min with Post-PMMA (high). The removal rate of α1-m was higher in Post-PMMA than that in Pre-HDF-PS (Post-PMMA [high] 17.7 ± 5.9%, Post-PMMA [low] 15.0 ± 5.6%, and Pre-PS 4.1 ± 5.5%). Adsorption clearance of β2-m was increased with Post-PMMA. Albumin leakage in Post-PMMA was not higher than that in Pre-PS. CONCLUSION The removal rate of α1-m with Post-PMMA was higher than that with Pre-PS. The PMMA membrane adsorbed β2-m, suggesting the removal effect of medium- to high-molecular-weight proteins by the adsorption method. Since Post-PMMA effectively removes α1-m without excessive albumin leakage, it will be useful for patients with ESKD, especially those with a poor nutritional status.
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Affiliation(s)
- Shiori Yoshida
- Division of Clinical Nephrology and Rheumatology, Niigata University Graduate School of Medical and Dental Sciences, Niigata, Japan
| | - Suguru Yamamoto
- Division of Clinical Nephrology and Rheumatology, Niigata University Graduate School of Medical and Dental Sciences, Niigata, Japan
| | - Daisuke Miyauchi
- Division of Clinical Nephrology and Rheumatology, Niigata University Graduate School of Medical and Dental Sciences, Niigata, Japan
| | - Ryohei Terashima
- Clinical and Translational Research Center, Niigata University Medical and Dental Hospital, Niigata, Japan
| | - Atsushi Hashimoto
- Clinical and Translational Research Center, Niigata University Medical and Dental Hospital, Niigata, Japan
| | - Haruna Miyazawa
- Clinical and Translational Research Center, Niigata University Medical and Dental Hospital, Niigata, Japan
| | - Takahiro Tanaka
- Clinical and Translational Research Center, Niigata University Medical and Dental Hospital, Niigata, Japan
| | - Masahiro Ishizawa
- Clinical and Translational Research Center, Niigata University Medical and Dental Hospital, Niigata, Japan
| | - Mototsugu Tanaka
- Clinical and Translational Research Center, Niigata University Medical and Dental Hospital, Niigata, Japan
| | - Yoshihiko Tomita
- Clinical and Translational Research Center, Niigata University Medical and Dental Hospital, Niigata, Japan
| | | | - Shin Goto
- Division of Clinical Nephrology and Rheumatology, Niigata University Graduate School of Medical and Dental Sciences, Niigata, Japan
| | - Ichiei Narita
- Division of Clinical Nephrology and Rheumatology, Niigata University Graduate School of Medical and Dental Sciences, Niigata, Japan
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Kiryluk K, Sanchez-Rodriguez E, Zhou XJ, Zanoni F, Liu L, Mladkova N, Khan A, Marasa M, Zhang JY, Balderes O, Sanna-Cherchi S, Bomback AS, Canetta PA, Appel GB, Radhakrishnan J, Trimarchi H, Sprangers B, Cattran DC, Reich H, Pei Y, Ravani P, Galesic K, Maixnerova D, Tesar V, Stengel B, Metzger M, Canaud G, Maillard N, Berthoux F, Berthelot L, Pillebout E, Monteiro R, Nelson R, Wyatt RJ, Smoyer W, Mahan J, Samhar AA, Hidalgo G, Quiroga A, Weng P, Sreedharan R, Selewski D, Davis K, Kallash M, Vasylyeva TL, Rheault M, Chishti A, Ranch D, Wenderfer SE, Samsonov D, Claes DJ, Akchurin O, Goumenos D, Stangou M, Nagy J, Kovacs T, Fiaccadori E, Amoroso A, Barlassina C, Cusi D, Del Vecchio L, Battaglia GG, Bodria M, Boer E, Bono L, Boscutti G, Caridi G, Lugani F, Ghiggeri G, Coppo R, Peruzzi L, Esposito V, Esposito C, Feriozzi S, Polci R, Frasca G, Galliani M, Garozzo M, Mitrotti A, Gesualdo L, Granata S, Zaza G, Londrino F, Magistroni R, Pisani I, Magnano A, Marcantoni C, Messa P, Mignani R, Pani A, Ponticelli C, Roccatello D, Salvadori M, Salvi E, Santoro D, Gembillo G, Savoldi S, Spotti D, Zamboli P, Izzi C, Alberici F, Delbarba E, Florczak M, Krata N, Mucha K, Pączek L, Niemczyk S, Moszczuk B, Pańczyk-Tomaszewska M, Mizerska-Wasiak M, Perkowska-Ptasińska A, Bączkowska T, Durlik M, Pawlaczyk K, Sikora P, Zaniew M, Kaminska D, Krajewska M, Kuzmiuk-Glembin I, Heleniak Z, Bullo-Piontecka B, Liberek T, Dębska-Slizien A, Hryszko T, Materna-Kiryluk A, Miklaszewska M, Szczepańska M, Dyga K, Machura E, Siniewicz-Luzeńczyk K, Pawlak-Bratkowska M, Tkaczyk M, Runowski D, Kwella N, Drożdż D, Habura I, Kronenberg F, Prikhodina L, van Heel D, Fontaine B, Cotsapas C, Wijmenga C, Franke A, Annese V, Gregersen PK, Parameswaran S, Weirauch M, Kottyan L, Harley JB, Suzuki H, Narita I, Goto S, Lee H, Kim DK, Kim YS, Park JH, Cho B, Choi M, Van Wijk A, Huerta A, Ars E, Ballarin J, Lundberg S, Vogt B, Mani LY, Caliskan Y, Barratt J, Abeygunaratne T, Kalra PA, Gale DP, Panzer U, Rauen T, Floege J, Schlosser P, Ekici AB, Eckardt KU, Chen N, Xie J, Lifton RP, Loos RJF, Kenny EE, Ionita-Laza I, Köttgen A, Julian BA, Novak J, Scolari F, Zhang H, Gharavi AG. Genome-wide association analyses define pathogenic signaling pathways and prioritize drug targets for IgA nephropathy. Nat Genet 2023; 55:1091-1105. [PMID: 37337107 DOI: 10.1038/s41588-023-01422-x] [Citation(s) in RCA: 13] [Impact Index Per Article: 13.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/06/2021] [Accepted: 05/05/2023] [Indexed: 06/21/2023]
Abstract
IgA nephropathy (IgAN) is a progressive form of kidney disease defined by glomerular deposition of IgA. Here we performed a genome-wide association study of 10,146 kidney-biopsy-diagnosed IgAN cases and 28,751 controls across 17 international cohorts. We defined 30 genome-wide significant risk loci explaining 11% of disease risk. A total of 16 loci were new, including TNFSF4/TNFSF18, REL, CD28, PF4V1, LY86, LYN, ANXA3, TNFSF8/TNFSF15, REEP3, ZMIZ1, OVOL1/RELA, ETS1, IGH, IRF8, TNFRSF13B and FCAR. The risk loci were enriched in gene orthologs causing abnormal IgA levels when genetically manipulated in mice. We also observed a positive genetic correlation between IgAN and serum IgA levels. High polygenic score for IgAN was associated with earlier onset of kidney failure. In a comprehensive functional annotation analysis of candidate causal genes, we observed convergence of biological candidates on a common set of inflammatory signaling pathways and cytokine ligand-receptor pairs, prioritizing potential new drug targets.
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Affiliation(s)
- Krzysztof Kiryluk
- Department of Medicine, Vagelos College of Physicians and Surgeons, Columbia University, New York City, NY, USA.
- Institute for Genomic Medicine, Columbia University, New York City, NY, USA.
| | - Elena Sanchez-Rodriguez
- Department of Medicine, Vagelos College of Physicians and Surgeons, Columbia University, New York City, NY, USA
| | - Xu-Jie Zhou
- Renal Division, Peking University First Hospital, Peking University Institute of Nephrology, Beijing, China
| | - Francesca Zanoni
- Department of Medicine, Vagelos College of Physicians and Surgeons, Columbia University, New York City, NY, USA
| | - Lili Liu
- Department of Medicine, Vagelos College of Physicians and Surgeons, Columbia University, New York City, NY, USA
| | - Nikol Mladkova
- Department of Medicine, Vagelos College of Physicians and Surgeons, Columbia University, New York City, NY, USA
| | - Atlas Khan
- Department of Medicine, Vagelos College of Physicians and Surgeons, Columbia University, New York City, NY, USA
| | - Maddalena Marasa
- Department of Medicine, Vagelos College of Physicians and Surgeons, Columbia University, New York City, NY, USA
| | - Jun Y Zhang
- Department of Medicine, Vagelos College of Physicians and Surgeons, Columbia University, New York City, NY, USA
| | - Olivia Balderes
- Department of Medicine, Vagelos College of Physicians and Surgeons, Columbia University, New York City, NY, USA
| | - Simone Sanna-Cherchi
- Department of Medicine, Vagelos College of Physicians and Surgeons, Columbia University, New York City, NY, USA
- Institute for Genomic Medicine, Columbia University, New York City, NY, USA
| | - Andrew S Bomback
- Department of Medicine, Vagelos College of Physicians and Surgeons, Columbia University, New York City, NY, USA
| | - Pietro A Canetta
- Department of Medicine, Vagelos College of Physicians and Surgeons, Columbia University, New York City, NY, USA
| | - Gerald B Appel
- Department of Medicine, Vagelos College of Physicians and Surgeons, Columbia University, New York City, NY, USA
| | - Jai Radhakrishnan
- Department of Medicine, Vagelos College of Physicians and Surgeons, Columbia University, New York City, NY, USA
| | - Hernan Trimarchi
- Nephrology Service, Hospital Británico de Buenos Aires, Buenos Aires, Argentina
| | - Ben Sprangers
- Department of Microbiology and Immunology, Laboratory of Molecular Immunology, KU Leuven, Leuven, Belgium
- Division of Nephrology, University Hospitals Leuven, Leuven, Belgium
| | - Daniel C Cattran
- Department of Nephrology, University of Toronto, Toronto General Hospital, Toronto, Ontario, Canada
| | - Heather Reich
- Department of Nephrology, University of Toronto, Toronto General Hospital, Toronto, Ontario, Canada
| | - York Pei
- Department of Nephrology, University of Toronto, Toronto General Hospital, Toronto, Ontario, Canada
| | - Pietro Ravani
- Division of Nephrology, Department of Internal Medicine, University of Calgary, Calgary, Alberta, Canada
| | | | - Dita Maixnerova
- 1st Faculty of Medicine and General University Hospital, Charles University, Prague, Czech Republic
| | - Vladimir Tesar
- 1st Faculty of Medicine and General University Hospital, Charles University, Prague, Czech Republic
| | - Benedicte Stengel
- Centre for Research in Epidemiology and Population Health (CESP), Paris-Saclay University, Versailles Saint Quentin University, INSERM Clinical Epidemiology Team, Villejuif, France
| | - Marie Metzger
- Centre for Research in Epidemiology and Population Health (CESP), Paris-Saclay University, Versailles Saint Quentin University, INSERM Clinical Epidemiology Team, Villejuif, France
| | - Guillaume Canaud
- Université de Paris, Hôpital Necker-Enfants Malades, Paris, France
| | - Nicolas Maillard
- Nephrology, Dialysis, and Renal Transplantation Department, University North Hospital, Saint Etienne, France
| | - Francois Berthoux
- Nephrology, Dialysis, and Renal Transplantation Department, University North Hospital, Saint Etienne, France
| | | | - Evangeline Pillebout
- Center for Research on Inflammation, University of Paris, INSERM and CNRS, Paris, France
| | - Renato Monteiro
- Center for Research on Inflammation, University of Paris, INSERM and CNRS, Paris, France
| | - Raoul Nelson
- Division of Pediatric Nephrology, Department of Pediatrics, University of Utah, Salt Lake City, UT, USA
| | - Robert J Wyatt
- Division of Pediatric Nephrology, University of Tennessee Health Sciences Center, Memphis, TN, USA
- Children's Foundation Research Center, Le Bonheur Children's Hospital, Memphis, TN, USA
| | - William Smoyer
- Division of Pediatric Nephrology, Nationwide Children's Hospital, Columbus, OH, USA
| | - John Mahan
- Division of Pediatric Nephrology, Nationwide Children's Hospital, Columbus, OH, USA
| | - Al-Akash Samhar
- Division of Pediatric Nephrology, Driscoll Children's Hospital, Corpus Christi, TX, USA
| | - Guillermo Hidalgo
- Division of Pediatric Nephrology, Department of Pediatrics, HMH Hackensack University Medical Center, Hackensack, NJ, USA
| | - Alejandro Quiroga
- Division of Pediatric Nephrology, Helen DeVos Children's Hospital, Grand Rapids, MI, USA
| | - Patricia Weng
- Division of Pediatric Nephrology, Mattel Children's Hospital, Los Angeles, CA, USA
| | - Raji Sreedharan
- Division of Pediatric Nephrology, Medical College of Wisconsin, Milwaukee, WI, USA
| | - David Selewski
- Division of Pediatric Nephrology, Mott Children's Hospital, Ann Arbor, MI, USA
| | - Keefe Davis
- Division of Pediatric Nephrology, Department of Pediatrics, The Medical University of South Carolina (MUSC), Charleston, SC, USA
| | - Mahmoud Kallash
- Division of Pediatric Nephrology, SUNY Buffalo, Buffalo, NY, USA
| | - Tetyana L Vasylyeva
- Division of Pediatric Nephrology, Department of Pediatrics, Nationwide Children's Hospital, Columbus, OH, USA
| | - Michelle Rheault
- Division of Pediatric Nephrology, University of Minnesota, Minneapolis, MN, USA
| | - Aftab Chishti
- Division of Pediatric Nephrology, University of Kentucky, Lexington, KY, USA
| | - Daniel Ranch
- Division of Pediatric Nephrology, Department of Pediatrics, University of Kentucky, Lexington, KY, USA
| | - Scott E Wenderfer
- Division of Pediatric Nephrology, Baylor College of Medicine/Texas Children's Hospital, Houston, TX, USA
| | - Dmitry Samsonov
- Division of Pediatric Nephrology, Boston Children's Hospital, Boston, MA, USA
| | - Donna J Claes
- Division of Pediatric Nephrology, Department of Pediatrics, New York Medical College, New York City, NY, USA
| | - Oleh Akchurin
- Division of Pediatric Nephrology, Department of Pediatrics, Weill Cornell Medical College, New York City, NY, USA
| | | | - Maria Stangou
- The Aristotle University of Thessaloniki, Thessaloniki, Greece
| | - Judit Nagy
- 2nd Department of Internal Medicine, Nephrological and Diabetological Center, University of Pécs, Pécs, Hungary
| | - Tibor Kovacs
- 2nd Department of Internal Medicine, Nephrological and Diabetological Center, University of Pécs, Pécs, Hungary
| | - Enrico Fiaccadori
- Department of Medicine and Surgery, University of Parma, Parma, Italy
| | - Antonio Amoroso
- Department of Medical Sciences, University of Turin, Turin, Italy
| | - Cristina Barlassina
- Renal Division, Dipartimento di Medicina, Chirurgia e Odontoiatria, San Paolo Hospital, School of Medicine, University of Milan, Milan, Italy
| | - Daniele Cusi
- Renal Division, Dipartimento di Medicina, Chirurgia e Odontoiatria, San Paolo Hospital, School of Medicine, University of Milan, Milan, Italy
| | | | | | | | - Emanuela Boer
- Division of Nephrology and Dialysis, Gorizia Hospital, Gorizia, Italy
| | - Luisa Bono
- Nephrology and Dialysis, A.R.N.A.S. Civico and Benfratelli, Palermo, Italy
| | - Giuliano Boscutti
- Nephrology, Dialysis and Renal Transplant Unit, S. Maria della Misericordia Hospital, ASUFC, Udine, Italy
| | - Gianluca Caridi
- Division of Nephrology, Dialysis and Transplantation, IRCCS Giannina Gaslini Institute, Genova, Italy
| | - Francesca Lugani
- Division of Nephrology, Dialysis and Transplantation, IRCCS Giannina Gaslini Institute, Genova, Italy
| | - GianMarco Ghiggeri
- Division of Nephrology, Dialysis and Transplantation, IRCCS Giannina Gaslini Institute, Genova, Italy
| | - Rosanna Coppo
- Regina Margherita Children's Hospital, Torino, Italy
| | - Licia Peruzzi
- Regina Margherita Children's Hospital, Torino, Italy
| | | | | | | | | | - Giovanni Frasca
- Division of Nephrology, Dialysis and Renal Transplantation, Riuniti Hospital, Ancona, Italy
| | | | - Maurizio Garozzo
- Unità Operativa di Nefrologia e Dialisi, Ospedale di Acireale, Acireale, Italy
| | - Adele Mitrotti
- Nephrology, Dialysis and Transplantation Unit, Department of Emergency and Organ Transplantation, University of Bari Aldo Moro, Bari, Italy
| | - Loreto Gesualdo
- Nephrology, Dialysis and Transplantation Unit, Department of Emergency and Organ Transplantation, University of Bari Aldo Moro, Bari, Italy
| | - Simona Granata
- Renal Unit, Department of Medicine, University of Verona, Verona, Italy
| | - Gianluigi Zaza
- Renal Unit, Department of Medicine, University of Verona, Verona, Italy
| | | | - Riccardo Magistroni
- Department of Surgical, Medical, Dental, Oncologic and Regenerative Medicine, University of Modena and Reggio Emilia, Modena, Italy
| | - Isabella Pisani
- Department of Medicine and Surgery, University of Parma, Parma, Italy
| | - Andrea Magnano
- Department of Medicine and Surgery, University of Parma, Parma, Italy
| | | | - Piergiorgio Messa
- Nephrology Dialysis and Kidney Transplant Unit, Fondazione IRCCS Ca' Granda Ospedale Maggiore Policlinico, Università degli Studi di Milano, Milan, Italy
| | - Renzo Mignani
- Azienda Unità Sanitaria Locale Rimini, Rimini, Italy
| | - Antonello Pani
- Department of Nephrology and Dialysis, G. Brotzu Hospital, Cagliari, Italy
| | | | - Dario Roccatello
- Nephrology and Dialysis Unit, G. Bosco Hub Hospital (ERK-net Member) and University of Torino, Torino, Italy
| | - Maurizio Salvadori
- Division of Nephrology and Renal Transplantation, Carreggi Hospital, Florence, Italy
| | - Erica Salvi
- Renal Division, DMCO (Dipartimento di Medicina, Chirurgia e Odontoiatria), San Paolo Hospital, School of Medicine, University of Milan, Milan, Italy
| | - Domenico Santoro
- Unit of Nephrology and Dialysis, AOU G Martino, University of Messina, Messina, Italy
| | - Guido Gembillo
- Unit of Nephrology and Dialysis, AOU G Martino, University of Messina, Messina, Italy
| | - Silvana Savoldi
- Unit of Nephrology and Dialysis, ASL TO4-Consultorio Cirié, Turin, Italy
| | | | | | - Claudia Izzi
- Department of Medical and Surgical Specialties and Nephrology Unit, University of Brescia-ASST Spedali Civili, Brescia, Italy
| | - Federico Alberici
- Department of Medical and Surgical Specialties and Nephrology Unit, University of Brescia-ASST Spedali Civili, Brescia, Italy
| | - Elisa Delbarba
- Department of Medical and Surgical Specialties and Nephrology Unit, University of Brescia-ASST Spedali Civili, Brescia, Italy
| | - Michał Florczak
- Department of Immunology, Transplantology and Internal Diseases, Medical University of Warsaw, Warsaw, Poland
| | - Natalia Krata
- Department of Immunology, Transplantology and Internal Diseases, Medical University of Warsaw, Warsaw, Poland
| | - Krzysztof Mucha
- Department of Immunology, Transplantology and Internal Diseases, Medical University of Warsaw, Warsaw, Poland
- Institute of Biochemistry and Biophysics, Polish Academy of Sciences, Warsaw, Poland
| | - Leszek Pączek
- Department of Immunology, Transplantology and Internal Diseases, Medical University of Warsaw, Warsaw, Poland
- Institute of Biochemistry and Biophysics, Polish Academy of Sciences, Warsaw, Poland
| | - Stanisław Niemczyk
- Department of Internal Disease, Nephrology and Dialysotherapy, Military Institute of Medicine, Warsaw, Poland
| | - Barbara Moszczuk
- Department of Immunology, Transplantology and Internal Diseases, Medical University of Warsaw, Warsaw, Poland
- Department of Clinical Immunology, Medical University of Warsaw, Warsaw, Poland
| | | | | | | | - Teresa Bączkowska
- Department of Transplantation Medicine, Nephrology and Internal Diseases, Medical University of Warsaw, Warsaw, Poland
| | - Magdalena Durlik
- Department of Transplantation Medicine, Nephrology and Internal Diseases, Medical University of Warsaw, Warsaw, Poland
| | - Krzysztof Pawlaczyk
- Department of Nephrology, Transplantology and Internal Medicine, Poznan Medical University, Poznan, Poland
| | - Przemyslaw Sikora
- Department of Pediatric Nephrology, Medical University of Lublin, Lublin, Poland
| | - Marcin Zaniew
- Department of Pediatrics, University of Zielona Góra, Zielona Góra, Poland
| | - Dorota Kaminska
- Clinical Department of Nephrology and Transplantation Medicine, Wroclaw Medical University, Wroclaw, Poland
| | - Magdalena Krajewska
- Clinical Department of Nephrology and Transplantation Medicine, Wroclaw Medical University, Wroclaw, Poland
| | - Izabella Kuzmiuk-Glembin
- Department of Nephrology, Transplantology and Internal Diseases, Medical University of Gdansk, Gdansk, Poland
| | - Zbigniew Heleniak
- Department of Nephrology, Transplantology and Internal Diseases, Medical University of Gdansk, Gdansk, Poland
| | - Barbara Bullo-Piontecka
- Department of Nephrology, Transplantology and Internal Diseases, Medical University of Gdansk, Gdansk, Poland
| | - Tomasz Liberek
- Department of Nephrology, Transplantology and Internal Diseases, Medical University of Gdansk, Gdansk, Poland
| | - Alicja Dębska-Slizien
- Department of Nephrology, Transplantology and Internal Diseases, Medical University of Gdansk, Gdansk, Poland
| | - Tomasz Hryszko
- 2nd Department of Nephrology and Hypertension with Dialysis Unit, Medical University of Bialystok, Bialystok, Poland
| | | | - Monika Miklaszewska
- Department of Pediatric Nephrology and Hypertension, Jagiellonian University Medical College, Krakow, Poland
| | - Maria Szczepańska
- Department of Pediatrics, Faculty of Medical Sciences in Zabrze, Medical University of Silesia in Katowice, Katowice, Poland
| | - Katarzyna Dyga
- Department of Pediatrics, Faculty of Medical Sciences in Zabrze, Medical University of Silesia in Katowice, Katowice, Poland
| | - Edyta Machura
- Department of Pediatrics, Faculty of Medical Sciences in Zabrze, Medical University of Silesia in Katowice, Katowice, Poland
| | - Katarzyna Siniewicz-Luzeńczyk
- Department of Pediatrics, Immunology and Nephrology, Polish Mother's Memorial Hospital Research Institute, Lodz, Poland
| | - Monika Pawlak-Bratkowska
- Department of Pediatrics, Immunology and Nephrology, Polish Mother's Memorial Hospital Research Institute, Lodz, Poland
| | - Marcin Tkaczyk
- Department of Pediatrics, Immunology and Nephrology, Polish Mother's Memorial Hospital Research Institute, Lodz, Poland
| | - Dariusz Runowski
- Department of Nephrology, Kidney Transplantation and Hypertension, Children's Memorial Health Institute, Warsaw, Poland
| | - Norbert Kwella
- Department of Nephrology, Hypertension and Internal Medicine, University of Warmia and Mazury in Olsztyn, Olsztyn, Poland
| | - Dorota Drożdż
- Department of Pediatric Nephrology and Hypertension, Jagiellonian University Medical College, Krakow, Poland
| | - Ireneusz Habura
- Department of Nephrology, Karol Marcinkowski Hospital, Zielona Góra, Poland
| | - Florian Kronenberg
- Institute of Genetic Epidemiology, Department of Genetics and Pharmacology, Medical University of Innsbruck, Innsbruck, Austria
| | - Larisa Prikhodina
- Division of Inherited and Acquired Kidney Diseases, Veltischev Research and Clinical Institute for Pediatrics of the Pirogov Russian National Research Medical University, Moscow, Russia
| | - David van Heel
- Barts and the London School of Medicine and Dentistry, Queen Mary University of London, London, UK
| | - Bertrand Fontaine
- Sorbonne University, INSERM, Center of Research in Myology, Institute of Myology, University Hospital Pitie-Salpetriere, Paris, France
- Assistance Publique-Hôpitaux de Paris (AP-HP), Service of Neuro-Myology, University Hospital Pitie-Salpetriere, Paris, France
| | - Chris Cotsapas
- Departments of Neurology and Genetics, Yale University, New Haven, CT, USA
| | | | - Andre Franke
- Institute of Clinical Molecular Biology, Christian-Albrechts-University of Kiel, Kiel, Germany
| | - Vito Annese
- CBP American Hospital, Dubai, United Arab Emirates
| | - Peter K Gregersen
- Robert S. Boas Center for Genomics and Human Genetics, Feinstein Institutes for Medical Research, North Shore LIJ Health System, New York City, NY, USA
| | | | - Matthew Weirauch
- Cincinnati Children's Hospital Medical Center, Cincinnati, OH, USA
- University of Cincinnati College of Medicine, Cincinnati, OH, USA
| | - Leah Kottyan
- Cincinnati Children's Hospital Medical Center, Cincinnati, OH, USA
- University of Cincinnati College of Medicine, Cincinnati, OH, USA
| | - John B Harley
- US Department of Veterans Affairs Medical Center and Cincinnati Education and Research for Veterans Foundation, Cincinnati, OH, USA
| | - Hitoshi Suzuki
- Department of Nephrology, Juntendo University Faculty of Medicine, Tokyo, Japan
| | - Ichiei Narita
- Division of Clinical Nephrology and Rheumatology, Kidney Research Center, Niigata University Graduate School of Medical and Dental Sciences, Niigata, Japan
| | - Shin Goto
- Division of Clinical Nephrology and Rheumatology, Kidney Research Center, Niigata University Graduate School of Medical and Dental Sciences, Niigata, Japan
| | - Hajeong Lee
- Internal Medicine, Seoul National University College of Medicine, Seoul, Republic of Korea
| | - Dong Ki Kim
- Internal Medicine, Seoul National University College of Medicine, Seoul, Republic of Korea
| | - Yon Su Kim
- Biomedical Science, Seoul National University College of Medicine, Seoul, Republic of Korea
| | - Jin-Ho Park
- Department of Family Medicine, Seoul National University College of Medicine and Seoul National University Hospital, Seoul, Republic of Korea
| | - BeLong Cho
- Department of Family Medicine, Seoul National University College of Medicine and Seoul National University Hospital, Seoul, Republic of Korea
- Institute on Aging, Seoul National University College of Medicine, Seoul, Republic of Korea
| | - Murim Choi
- Biomedical Science, Seoul National University College of Medicine, Seoul, Republic of Korea
| | - Ans Van Wijk
- Amsterdam University Medical Centre, VU University Medical Center (VUMC), Amsterdam, the Netherlands
| | - Ana Huerta
- Hospital Universitario Puerta del Hierro Majadahonda, REDINREN, IISCIII, Madrid, Spain
| | - Elisabet Ars
- Molecular Biology Laboratory and Nephrology Department, Fundació Puigvert, Instituto de Investigaciones Biomédicas Sant Pau, Universitat Autònoma de Barcelona, REDINREN, IISCIII, Barcelona, Spain
| | - Jose Ballarin
- Molecular Biology Laboratory and Nephrology Department, Fundació Puigvert, Instituto de Investigaciones Biomédicas Sant Pau, Universitat Autònoma de Barcelona, REDINREN, IISCIII, Barcelona, Spain
| | - Sigrid Lundberg
- Department of Nephrology, Danderyd University Hospital, and Department of Clinical Sciences, Karolinska Institutet, Stockholm, Sweden
| | - Bruno Vogt
- Department of Nephrology and Hypertension, Inselspital, Bern University Hospital, University of Bern, Bern, Switzerland
| | - Laila-Yasmin Mani
- Department of Nephrology and Hypertension, Inselspital, Bern University Hospital, University of Bern, Bern, Switzerland
| | - Yasar Caliskan
- Division of Nephrology, Saint Louis University, Saint Louis, MO, USA
| | - Jonathan Barratt
- John Walls Renal Unit, University Hospitals of Leicester, Leicester, UK
| | | | | | - Daniel P Gale
- Department of Renal Medicine, University College London, London, UK
| | | | - Thomas Rauen
- Division of Nephrology and Clinical Immunology, RWTH Aachen University, Aachen, Germany
| | - Jürgen Floege
- Division of Nephrology and Clinical Immunology, RWTH Aachen University, Aachen, Germany
| | - Pascal Schlosser
- Institute of Genetic Epidemiology, Faculty of Medicine and Medical Center, University of Freiburg, Freiburg, Germany
| | - Arif B Ekici
- Institute of Human Genetics, Friedrich-Alexander-Universität Erlangen-Nürnberg, Erlangen, Germany
| | - Kai-Uwe Eckardt
- Department of Nephrology and Medical Intensive Care, Charité-Universitätsmedizin Berlin, Berlin, Germany
- Department of Nephrology and Hypertension, Friedrich-Alexander-Universität Erlangen-Nürnberg, Erlangen, Germany
| | - Nan Chen
- Department of Nephrology, Ruijin Hospital, Shanghai Jiaotong University School of Medicine, Shanghai, China
| | - Jingyuan Xie
- Department of Nephrology, Ruijin Hospital, Shanghai Jiaotong University School of Medicine, Shanghai, China
| | - Richard P Lifton
- Department of Genetics, Yale School of Medicine, New Haven, CT, USA
- Laboratory of Human Genetics and Genomics, The Rockefeller University, New York City, NY, USA
| | - Ruth J F Loos
- The Charles Bronfman Institute for Personalized Medicine, Icahn School of Medicine at Mount Sinai, New York City, NY, USA
- Novo Nordisk Foundation Center for Basic Metabolic Research, Department of Health and Medical Sciences, University of Copenhagen, Copenhagen, Denmark
| | - Eimear E Kenny
- The Charles Bronfman Institute for Personalized Medicine, Icahn School of Medicine at Mount Sinai, New York City, NY, USA
- Department of Genetics and Genomic Sciences, Mount Sinai Health System, New York City, NY, USA
- Center for Population Genomic Health, Icahn School of Medicine at Mount Sinai, New York City, NY, USA
| | - Iuliana Ionita-Laza
- Department of Biostatistics, Mailman School of Public Health, Columbia University, New York City, NY, USA
| | - Anna Köttgen
- Institute of Genetic Epidemiology, Faculty of Medicine and Medical Center, University of Freiburg, Freiburg, Germany
| | - Bruce A Julian
- Departments of Microbiology and Medicine, University of Alabama at Birmingham, Birmingham, AL, USA
| | - Jan Novak
- Departments of Microbiology and Medicine, University of Alabama at Birmingham, Birmingham, AL, USA
| | - Francesco Scolari
- Department of Medical and Surgical Specialties and Nephrology Unit, University of Brescia-ASST Spedali Civili, Brescia, Italy
| | - Hong Zhang
- Renal Division, Peking University First Hospital, Peking University Institute of Nephrology, Beijing, China
| | - Ali G Gharavi
- Department of Medicine, Vagelos College of Physicians and Surgeons, Columbia University, New York City, NY, USA.
- Institute for Genomic Medicine, Columbia University, New York City, NY, USA.
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Nakagawa Y, Kaseda R, Suzuki Y, Watanabe H, Otsuka T, Yamamoto S, Kaneko Y, Goto S, Terada Y, Haishi T, Sasaki S, Narita I. Sodium Magnetic Resonance Imaging Shows Impairment of the Counter-current Multiplication System in Diabetic Mice Kidney. Kidney360 2023; 4:582-590. [PMID: 36963113 PMCID: PMC10278814 DOI: 10.34067/kid.0000000000000072] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 07/19/2022] [Accepted: 01/17/2023] [Indexed: 03/26/2023]
Abstract
Key Points 23Na MRI allows us to noninvasively assess sodium distribution. We propose the utility of 23Na MRI for evaluating functional changes in diabetic kidney disease and not as a marker reflecting structural damage. 23Na MRI may be an early marker for structures beyond the glomeruli, enabling prompt intervention with novel efficacious tubule-targeting therapies. Background Sodium magnetic resonance imaging can noninvasively assess sodium distribution, specifically sodium concentration in the countercurrent multiplication system in the kidney, which forms a sodium concentration gradient from the cortex to the medulla, enabling efficient water reabsorption. This study aimed to investigate whether sodium magnetic resonance imaging can detect changes in sodium concentrations under normal conditions in mice and in disease models, such as a mouse model with diabetes mellitus. Methods We performed sodium and proton nuclear magnetic resonance imaging using a 9.4-T vertical standard-bore superconducting magnet. Results A condition of deep anesthesia, with widened breath intervals, or furosemide administration in 6-week-old C57BL/6JJcl mice showed a decrease in both tissue sodium concentrations in the medulla and sodium concentration gradients from the cortex to the medulla. Furthermore, sodium magnetic resonance imaging revealed reductions in the sodium concentration in the medulla and in the gradient from the cortex to the medulla in BKS.Cg-Leprdb+/+ Leprdb/Jcl mice at very early type 2 diabetes mellitus stages compared with corresponding control BKS.Cg-m+/m+/Jcl mice. Conclusions The kidneys of BKS.Cg-Leprdb+/+ Leprdb/Jcl mice aged 6 weeks showed impairments in the countercurrent multiplication system. We propose the utility of 23Na MRI for evaluating functional changes in diabetic kidney disease and not as a marker that reflects structural damage. Thus, 23Na MRI may be a potentially very early marker for structures beyond the glomerulus; this may prompt intervention with novel efficacious tubule-targeting therapies.
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Affiliation(s)
- Yusuke Nakagawa
- Division of Clinical Nephrology and Rheumatology, Kidney Research Center, Niigata University, Niigata, Niigata, Japan
| | - Ryohei Kaseda
- Division of Clinical Nephrology and Rheumatology, Kidney Research Center, Niigata University, Niigata, Niigata, Japan
| | - Yuya Suzuki
- Division of Clinical Nephrology and Rheumatology, Kidney Research Center, Niigata University, Niigata, Niigata, Japan
| | - Hirofumi Watanabe
- Division of Clinical Nephrology and Rheumatology, Kidney Research Center, Niigata University, Niigata, Niigata, Japan
| | - Tadashi Otsuka
- Division of Clinical Nephrology and Rheumatology, Kidney Research Center, Niigata University, Niigata, Niigata, Japan
| | - Suguru Yamamoto
- Division of Clinical Nephrology and Rheumatology, Kidney Research Center, Niigata University, Niigata, Niigata, Japan
| | - Yoshikatsu Kaneko
- Division of Clinical Nephrology and Rheumatology, Kidney Research Center, Niigata University, Niigata, Niigata, Japan
| | - Shin Goto
- Division of Clinical Nephrology and Rheumatology, Kidney Research Center, Niigata University, Niigata, Niigata, Japan
| | - Yasuhiko Terada
- Institute of Applied Physics, University of Tsukuba, Tsukuba, Ibaraki, Japan
| | - Tomoyuki Haishi
- MRTechnology Inc., Tsukuba, Ibaraki, Japan
- Department of Radiological Sciences, School of Health Sciences at Narita, International University of Health and Welfare, Narita, Chiba, Japan
| | - Susumu Sasaki
- Faculty of Engineering, Niigata University, Niigata, Niigata, Japan
| | - Ichiei Narita
- Division of Clinical Nephrology and Rheumatology, Kidney Research Center, Niigata University, Niigata, Niigata, Japan
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10
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Suzuki Y, Otsuka T, Yoshioka Y, Iida T, Maruyama S, Watanabe H, Kaseda R, Yamamoto S, Kaneko Y, Goto S, Aoyagi R, Narita I. Assessing fluid volume and determining outcomes of acute heart failure using plasma human atrial natriuretic peptide. Clin Exp Nephrol 2023; 27:565-573. [PMID: 36941501 DOI: 10.1007/s10157-023-02333-1] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/08/2022] [Accepted: 02/25/2023] [Indexed: 03/22/2023]
Abstract
BACKGROUND The post-dialysis plasma level of human atrial natriuretic peptide (hANP) reflects the fluid volume in patients on hemodialysis. The threshold hANP level is reportedly 100 pg/mL; however, the clinical usefulness of the threshold hANP level for volume control has not been sufficiently studied. METHODS We conducted a single-center, retrospective, observational study that included 156 hemodialysis patients without atrial fibrillation. First, we examined the usefulness of the threshold hANP level (100 pg/mL) for predicting hypoxemia due to congestion in a short-term observational study from December 30, 2015 to January 5, 2016. Subsequently, we conducted a 5-year follow-up study wherein the outcomes were hospitalization due to acute heart failure (AHF), development of cardiovascular diseases (CVD), and all-cause death. Finally, we collected echocardiography data to investigate the relationship between cardiac function and hANP. RESULTS Our short-term observational study showed that patients with an hANP level ≥ 100 pg/mL developed hypoxemia due to congestion (odds ratio, 3.52; 95% confidence interval, 1.06-11.71; P = 0.040). At the 5-year follow-up, patients with an hANP level ≥ 100 pg/mL had significantly higher rates of hospitalization due to AHF, CVD, and all-cause death based on the log-rank test (P = 0.003, P = 0.019, P < 0.001, respectively). Cardiac disfunctions were significantly associated with the high hANP level. CONCLUSIONS The hANP level is indicative of both fluid volume and cardiac dysfunction. A threshold hANP level of 100 pg/mL can serve as a predictive marker for AHF and a practical indicator for volume control.
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Affiliation(s)
- Yuya Suzuki
- Division of Clinical Nephrology and Rheumatology, Kidney Research Center, Niigata University Graduate School of Medical and Dental Sciences, 1-757 Asahimachi, Chuo-Ku, Niigata, 951-8510, Japan
| | - Tadashi Otsuka
- Division of Clinical Nephrology and Rheumatology, Kidney Research Center, Niigata University Graduate School of Medical and Dental Sciences, 1-757 Asahimachi, Chuo-Ku, Niigata, 951-8510, Japan.
| | - Yuki Yoshioka
- Division of Nephrology and Hypertension, Department of Internal Medicine, The Jikei University Daisan Hospital, Tokyo, Japan
| | - Tomomichi Iida
- Department of Nephrology, Tachikawa General Hospital, Niigata, Japan
| | - Shingo Maruyama
- Division of Clinical Nephrology and Rheumatology, Kidney Research Center, Niigata University Graduate School of Medical and Dental Sciences, 1-757 Asahimachi, Chuo-Ku, Niigata, 951-8510, Japan
| | - Hirofumi Watanabe
- Division of Clinical Nephrology and Rheumatology, Kidney Research Center, Niigata University Graduate School of Medical and Dental Sciences, 1-757 Asahimachi, Chuo-Ku, Niigata, 951-8510, Japan
| | - Ryohei Kaseda
- Division of Clinical Nephrology and Rheumatology, Kidney Research Center, Niigata University Graduate School of Medical and Dental Sciences, 1-757 Asahimachi, Chuo-Ku, Niigata, 951-8510, Japan
| | - Suguru Yamamoto
- Division of Clinical Nephrology and Rheumatology, Kidney Research Center, Niigata University Graduate School of Medical and Dental Sciences, 1-757 Asahimachi, Chuo-Ku, Niigata, 951-8510, Japan
| | - Yoshikatsu Kaneko
- Division of Clinical Nephrology and Rheumatology, Kidney Research Center, Niigata University Graduate School of Medical and Dental Sciences, 1-757 Asahimachi, Chuo-Ku, Niigata, 951-8510, Japan
| | - Shin Goto
- Division of Clinical Nephrology and Rheumatology, Kidney Research Center, Niigata University Graduate School of Medical and Dental Sciences, 1-757 Asahimachi, Chuo-Ku, Niigata, 951-8510, Japan
| | - Ryuji Aoyagi
- Department of Nephrology, Tachikawa General Hospital, Niigata, Japan
| | - Ichiei Narita
- Division of Clinical Nephrology and Rheumatology, Kidney Research Center, Niigata University Graduate School of Medical and Dental Sciences, 1-757 Asahimachi, Chuo-Ku, Niigata, 951-8510, Japan
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11
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Watanabe H, Goto S, Hosojima M, Kabasawa H, Imai N, Ito Y, Narita I. Pathogenic variants of Alport syndrome and monogenic diabetes identified by exome sequencing in a family. Hum Genome Var 2023; 10:5. [PMID: 36732323 PMCID: PMC9894847 DOI: 10.1038/s41439-023-00233-0] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Grants] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/14/2022] [Revised: 12/30/2022] [Accepted: 01/03/2023] [Indexed: 02/04/2023] Open
Abstract
We present a family of two female Alport syndrome patients with a family history of impaired glucose tolerance. Whole exome sequencing identified a novel heterozygous variant of COL4A5 NM_033380.3: c.2636 C > A (p.S879*) and a rare variant of GCK NM_001354800.1: c.1135 G > A (p.A379T) as the causes of Alport syndrome and monogenic diabetes, respectively. Two independent pathogenic variants affected the clinical phenotypes. Clinical next-generation sequencing is helpful for identifying the causes of patients' manifestations.
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Affiliation(s)
- Hirofumi Watanabe
- Division of Clinical Nephrology and Rheumatology, Kidney Research Center, Niigata University Graduate School of Medical and Dental Sciences, Niigata, Japan.
| | - Shin Goto
- Division of Clinical Nephrology and Rheumatology, Kidney Research Center, Niigata University Graduate School of Medical and Dental Sciences, Niigata, Japan
| | - Michihiro Hosojima
- Department of Clinical Nutrition Science, Kidney Research Center, Niigata University Graduate School of Medical and Dental Sciences, Niigata, Japan
| | - Hideyuki Kabasawa
- Department of Clinical Nutrition Science, Kidney Research Center, Niigata University Graduate School of Medical and Dental Sciences, Niigata, Japan
| | - Naofumi Imai
- Division of Clinical Nephrology and Rheumatology, Kidney Research Center, Niigata University Graduate School of Medical and Dental Sciences, Niigata, Japan
| | - Yumi Ito
- Division of Clinical Nephrology and Rheumatology, Kidney Research Center, Niigata University Graduate School of Medical and Dental Sciences, Niigata, Japan
- Department of Health Promotion Medicine, Niigata University Graduate School of Medical and Dental Sciences, Niigata, Japan
| | - Ichiei Narita
- Division of Clinical Nephrology and Rheumatology, Kidney Research Center, Niigata University Graduate School of Medical and Dental Sciences, Niigata, Japan
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12
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Sugawara Y, Hirakawa Y, Nagasu H, Narita A, Katayama A, Wada J, Shimizu M, Wada T, Kitamura H, Nakano T, Yokoi H, Yanagita M, Goto S, Narita I, Koshiba S, Tamiya G, Nangaku M, Yamamoto M, Kashihara N. Genome-wide association study of the risk of chronic kidney disease and kidney-related traits in the Japanese population: J-Kidney-Biobank. J Hum Genet 2023; 68:55-64. [PMID: 36404353 DOI: 10.1038/s10038-022-01094-1] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/13/2022] [Revised: 10/13/2022] [Accepted: 10/21/2022] [Indexed: 11/22/2022]
Abstract
Chronic kidney disease (CKD) is a syndrome characterized by a gradual loss of kidney function with decreased estimated glomerular filtration rate (eGFR), which may be accompanied by an increase in the urine albumin-to-creatinine ratio (UACR). Although trans-ethnic genome-wide association studies (GWASs) have been conducted for kidney-related traits, there have been few analyses in the Japanese population, especially for the UACR trait. In this study, we conducted a GWAS to identify loci related to multiple kidney-related traits in Japanese individuals. First, to detect loci associated with CKD, eGFR, and UACR, we performed separate GWASs with the following two datasets: 475 cases of CKD diagnosed at seven university hospitals and 3471 healthy subjects (dataset 1) and 3664 cases of CKD-suspected individuals with eGFR <60 ml/min/1.73 m2 or urinary protein ≥ 1+ and 5952 healthy subjects (dataset 2). Second, we performed a meta-analysis between these two datasets and detected the following associated loci: 10 loci for CKD, 9 loci for eGFR, and 22 loci for UACR. Among the loci detected, 22 have never been reported previously. Half of the significant loci for CKD were shared with those for eGFR, whereas most of the loci associated with UACR were different from those associated with CKD or eGFR. The GWAS of the Japanese population identified novel genetic components that were not previously detected. The results also suggest that the group primarily characterized by increased UACR possessed genetically different features from the group characterized by decreased eGFR.
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Affiliation(s)
- Yuka Sugawara
- Division of Nephrology and Endocrinology, The University of Tokyo, Tokyo, Japan
| | - Yosuke Hirakawa
- Division of Nephrology and Endocrinology, The University of Tokyo, Tokyo, Japan
| | - Hajime Nagasu
- Department of Nephrology and Hypertension, Kawasaki Medical School, Okayama, Japan
| | - Akira Narita
- Tohoku Medical Megabank Organization, Tohoku University, Miyagi, Japan
| | - Akihiro Katayama
- Department of Nephrology, Rheumatology, Endocrinology and Metabolism, Okayama University, Okayama, Japan
| | - Jun Wada
- Department of Nephrology, Rheumatology, Endocrinology and Metabolism, Okayama University, Okayama, Japan
| | - Miho Shimizu
- Department of Nephrology and Laboratory Medicine, Kanazawa University, Ishikawa, Japan
| | - Takashi Wada
- Department of Nephrology and Laboratory Medicine, Kanazawa University, Ishikawa, Japan
| | - Hiromasa Kitamura
- Department of Nephrology, Hypertension & Strokology, Kyushu University, Fukuoka, Japan
| | - Toshiaki Nakano
- Department of Nephrology, Hypertension & Strokology, Kyushu University, Fukuoka, Japan
| | - Hideki Yokoi
- Department of Nephrology, Kyoto University, Kyoto, Japan
| | | | - Shin Goto
- Division of Clinical Nephrology and Rheumatology, Niigata University, Niigata, Japan
| | - Ichiei Narita
- Division of Clinical Nephrology and Rheumatology, Niigata University, Niigata, Japan
| | - Seizo Koshiba
- Tohoku Medical Megabank Organization, Tohoku University, Miyagi, Japan.,The Advanced Research Center for Innovations in Next-Generation Medicine (INGEM), Tohoku University, Sendai, Japan
| | - Gen Tamiya
- Tohoku Medical Megabank Organization, Tohoku University, Miyagi, Japan.,Graduate School of Medicine, Tohoku University, Sendai, Japan.,Center for Advanced Intelligence Project, RIKEN, Tokyo, Japan
| | - Masaomi Nangaku
- Division of Nephrology and Endocrinology, The University of Tokyo, Tokyo, Japan
| | - Masayuki Yamamoto
- Tohoku Medical Megabank Organization, Tohoku University, Miyagi, Japan.,Graduate School of Medicine, Tohoku University, Sendai, Japan
| | - Naoki Kashihara
- Department of Nephrology and Hypertension, Kawasaki Medical School, Okayama, Japan.
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13
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Hara A, Wada T, Muso E, Maruyama S, Kato S, Furuichi K, Yoshimura K, Toyama T, Sakai N, Suzuki H, Tsukamoto T, Miyazaki M, Sato E, Abe M, Shibagaki Y, Narita I, Goto S, Sakamaki Y, Yokoyama H, Mori N, Tanaka S, Yuzawa Y, Hasegawa M, Matsubara T, Wada J, Tanabe K, Masutani K, Abe Y, Tsuruya K, Fujimoto S, Iwatsubo S, Tsuda A, Suzuki H, Kasuno K, Terada Y, Nakata T, Iino N, Sofue T, Miyata H, Nakano T, Ohtake T, Kobayashi S. Effect of Low-Density Lipoprotein Apheresis on Quality of Life in Patients with Diabetes, Proteinuria, and Hypercholesterolemia. Blood Purif 2022; 52:373-381. [PMID: 36521435 DOI: 10.1159/000527900] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/07/2022] [Accepted: 10/16/2022] [Indexed: 12/23/2022]
Abstract
<b><i>Introduction:</i></b> Treating diabetic nephropathy with low-density lipoprotein (LDL) apheresis reduces proteinuria and improves prognosis. However, its impact on patients’ quality of life (QoL) is unclear. This study evaluated the effect of LDL apheresis on QoL in patients with diabetes, proteinuria, and hypercholesterolemia. <b><i>Methods:</i></b> In this nationwide multicenter prospective study, we enrolled 40 patients with diabetes. Inclusion criteria were proteinuria (defined as an albumin/creatinine ratio ≥3 g/g), serum creatinine levels <2 mg/dL, and serum LDL ≥120 mg/dL despite drug treatment. LDL apheresis was performed 6–12 times within 12 weeks. The 36-item Short Form Health Survey (SF-36) was used to analyze QoL. <b><i>Results:</i></b> The study enrolled 35 patients (27 men and 8 women; mean age 58.9 ± 11.9 years). A comparison of baseline SF-36 values with those at the end of the course of apheresis found an improvement in the mean physical component summary (37.9 ± 11.4 vs. 40.6 ± 10.5, <i>p</i> = 0.051) and a significant increase in the mean mental component summary (MCS) (49.4 ± 8.4 vs. 52.5 ± 10.9, <i>p</i> = 0.026). A multivariable linear regression analysis revealed a history of coronary heart disease negatively correlated with the MCS increase at the end of the course of apheresis (<i>β</i> coefficient −6.935, 95% confidence interval, 13.313 to−0.556, <i>p</i> = 0.034). <b><i>Conclusion:</i></b> Our results suggest that LDL apheresis may improve the mental and physical QoL in patients with diabetes, proteinuria, and hypercholesterolemia.
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Affiliation(s)
- Akinori Hara
- Division of Nephrology, Kanazawa University Hospital, Kanazawa, Japan
- Department of Hygiene and Public Health, Kanazawa University, Kanazawa, Japan
| | - Takashi Wada
- Division of Nephrology, Kanazawa University Hospital, Kanazawa, Japan
- Department of Nephrology and Laboratory Medicine, Kanazawa University, Kanazawa, Japan
| | - Eri Muso
- Department of Nephrology and Dialysis, Kitano Hospital, Tazuke Kofukai Medical Research Institute, Osaka, Japan
| | - Shoichi Maruyama
- Department of Nephrology, Nagoya University Graduate School of Medicine, Nagoya, Japan
| | - Sawako Kato
- Department of Nephrology, Nagoya University Graduate School of Medicine, Nagoya, Japan
| | - Kengo Furuichi
- Department of Nephrology, Kanazawa Medical University School of Medicine, Kanazawa, Japan
| | - Kenichi Yoshimura
- Innovative Clinical Research Center, Kanazawa University Hospital, Kanazawa, Japan
| | - Tadashi Toyama
- Division of Nephrology, Kanazawa University Hospital, Kanazawa, Japan
- Innovative Clinical Research Center, Kanazawa University Hospital, Kanazawa, Japan
| | - Norihiko Sakai
- Division of Nephrology, Kanazawa University Hospital, Kanazawa, Japan
- Department of Nephrology and Laboratory Medicine, Kanazawa University, Kanazawa, Japan
| | - Hiroyuki Suzuki
- Department of Nephrology and Dialysis, Kitano Hospital, Tazuke Kofukai Medical Research Institute, Osaka, Japan
- Department of Kidney Disease and Transplant Center, Shonan Kamakura General Hospital, Kamakura, Japan
| | - Tatsuo Tsukamoto
- Department of Nephrology and Dialysis, Kitano Hospital, Tazuke Kofukai Medical Research Institute, Osaka, Japan
| | - Mariko Miyazaki
- Division of Nephrology, Endocrinology, and Vascular Medicine, Tohoku University Graduate School of Medicine, Sendai, Japan
| | - Eiichi Sato
- Division of Nephrology, Department of Internal Medicine, Shinmatsudo Central General Hospital, Matsudo, Japan
| | - Masanori Abe
- Divisions of Nephrology, Hypertension and Endocrinology, Department of Internal Medicine, Nihon University School of Medicine, Tokyo, Japan
| | - Yugo Shibagaki
- Division of Nephrology and Hypertension, Department of Internal Medicine, St Marianna University School of Medicine, Kawasaki, Japan
| | - Ichiei Narita
- Division of Clinical Nephrology and Rheumatology, Niigata University Graduate School of Medical and Dental Sciences, Niigata, Japan
| | - Shin Goto
- Division of Clinical Nephrology and Rheumatology, Niigata University Graduate School of Medical and Dental Sciences, Niigata, Japan
| | - Yuichi Sakamaki
- Division of Clinical Nephrology and Rheumatology, Niigata University Graduate School of Medical and Dental Sciences, Niigata, Japan
| | - Hitoshi Yokoyama
- Department of Nephrology, Kanazawa Medical University School of Medicine, Kanazawa, Japan
| | - Noriko Mori
- Department of Nephrology, Shizuoka General Hospital, Shizuoka, Japan
| | - Satoshi Tanaka
- Department of Nephrology, Shizuoka General Hospital, Shizuoka, Japan
| | - Yukio Yuzawa
- Department of Nephrology, Fujita Health University School of Medicine, Toyoake, Japan
| | - Midori Hasegawa
- Department of Nephrology, Fujita Health University School of Medicine, Toyoake, Japan
| | - Takeshi Matsubara
- Department of Nephrology, Kyoto University, Graduate School of Medicine, Kyoto, Japan
| | - Jun Wada
- Department of Nephrology, Rheumatology, Endocrinology and Metabolism, Okayama University Graduate School of Medicine, Dentistry and Pharmaceutical Sciences, Okayama, Japan
| | - Katsuyuki Tanabe
- Department of Nephrology, Rheumatology, Endocrinology and Metabolism, Okayama University Graduate School of Medicine, Dentistry and Pharmaceutical Sciences, Okayama, Japan
| | - Kosuke Masutani
- Division of Nephrology and Rheumatology, Department of Internal Medicine, Faculty of Medicine, Fukuoka University, Fukuoka, Japan
| | - Yasuhiro Abe
- Division of Nephrology and Rheumatology, Department of Internal Medicine, Faculty of Medicine, Fukuoka University, Fukuoka, Japan
| | | | - Shouichi Fujimoto
- Department of Hemovascular Medicine and Artificial Organs, Faculty of Medicine, University of Miyazaki, Miyazaki, Japan
| | - Shuji Iwatsubo
- Department of Hemovascular Medicine and Artificial Organs, Faculty of Medicine, University of Miyazaki, Miyazaki, Japan
| | - Akihiro Tsuda
- Department of Metabolism, Endocrinology, and Molecular Medicine, Osaka City University Graduate School of Medicine, Osaka, Japan
| | - Hitoshi Suzuki
- Department of Nephrology, Juntendo University Faculty of Medicine, Tokyo, Japan
| | - Kenji Kasuno
- Division of Nephrology, Department of General Medicine, University of Fukui School of Medical Sciences, Fukui, Japan
| | - Yoshio Terada
- Department of Endocrinology, Metabolism and Nephrology, Kochi Medical School, Kochi University, Kochi, Japan
| | - Takeshi Nakata
- Department of Endocrinology, Metabolism, Rheumatology, and Nephrology, Faculty of Medicine, Oita University, Oita, Japan
| | - Noriaki Iino
- Department of Nephrology, Uonuma Institute of Community Medicine, Niigata University Medical and Dental Hospital, Niigata, Japan
| | - Tadashi Sofue
- Department of Cardiorenal and Cerebrovascular Medicine, Faculty of Medicine, Kagawa Universityi, Kawasak, Japan
| | - Hitomi Miyata
- Department of Nephrology, Kyoto Katsura Hospital, Kyoto, Japan
| | - Toshiaki Nakano
- Department of Medicine and Clinical Science, Graduate School of Medical Sciences, Kyushu University, Fukuoka, Japan
| | - Takayasu Ohtake
- Department of Kidney Disease and Transplant Center, Shonan Kamakura General Hospital, Kamakura, Japan
| | - Shuzo Kobayashi
- Department of Kidney Disease and Transplant Center, Shonan Kamakura General Hospital, Kamakura, Japan
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14
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Matsumoto Y, Nagata Y, Nakagawa S, Hashikawa T, Sakai H, Takahashi S, Hashimoto Y, Goto S, Sugita Y, Takahashi K. New aneurysm formation and regrowth associated with rebleeding of residual pediatric ruptured arteriovenous malformation: patient series. J Neurosurg Case Lessons 2022; 4:CASE22205. [PMID: 36317238 PMCID: PMC9624159 DOI: 10.3171/case22205] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 05/13/2022] [Accepted: 09/09/2022] [Indexed: 11/06/2022]
Abstract
BACKGROUND If complete obliteration of ruptured pediatric arteriovenous malformation (AVM) cannot be achieved, the appropriate follow-up duration and predictors of rebleeding remain unknown. OBSERVATIONS Pediatric patients with ruptured AVMs admitted to the authors' hospital within the past 30 years were evaluated. Rebleeding was confirmed in two patients. The first patient was a 5-year-old boy who experienced right thalamic hemorrhage. AVM was found in the bilateral thalamus and treated with stereotactic radiosurgery (SRS). New aneurysm formation and residual AVM regrowth were confirmed 21 years after the SRS. Eight months later, rebleeding occurred. The second patient was a 5-year-old boy who underwent removal of a left cerebellar hemorrhage and AVM. The residual AVM was treated with SRS. Residual AVM regrowth was detected at 6 years 7 months after SRS. Five months later, new aneurysm formation was confirmed. Two additional days later, rebleeding occurred. LESSONS New aneurysm formation and residual AVM regrowth may predict rebleeding and can occur >20 years after the initial rupture and treatment. If AVM obliteration is not achieved, long-term follow-up is needed, even in adulthood, with attention to new aneurysm formation and residual AVM regrowth. Further treatment is recommended if these findings are confirmed.
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Affiliation(s)
| | - Yui Nagata
- Department of Neurosurgery, St. Mary’s Hospital, Fukuoka, Japan; and
| | - Setsuko Nakagawa
- Department of Neurosurgery, St. Mary’s Hospital, Fukuoka, Japan; and
| | - Takuro Hashikawa
- Department of Neurosurgery, St. Mary’s Hospital, Fukuoka, Japan; and
| | - Hideki Sakai
- Department of Neurosurgery, St. Mary’s Hospital, Fukuoka, Japan; and
| | - Shinji Takahashi
- Department of Neurosurgery, St. Mary’s Hospital, Fukuoka, Japan; and
| | - Yosuke Hashimoto
- Department of Neurosurgery, St. Mary’s Hospital, Fukuoka, Japan; and
| | - Shin Goto
- Department of Neurosurgery, Tanushimaru Central Hospital, Fukuoka, Japan
| | - Yasuo Sugita
- Department of Neurosurgery, St. Mary’s Hospital, Fukuoka, Japan; and
| | - Kenji Takahashi
- Department of Neurosurgery, St. Mary’s Hospital, Fukuoka, Japan; and
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15
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Yagi R, Goto S, MacRae CA, Deo RC. Expanded adaptation of an artificial intelligence model for predicting chemotherapy-induced cardiotoxicity using baseline electrocardiograms. Eur Heart J 2022. [DOI: 10.1093/eurheartj/ehac544.2577] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 11/14/2022] Open
Abstract
Abstract
Introduction
While effective as chemotherapeutics, anthracyclines can cause cancer therapy-related cardiac dysfunction (CTRCD), which adversely affects the prognosis of patients with malignancies1–5. Despite guideline recommendations6–9, repeated echocardiograms are rarely performed10 with delayed diagnosis of CTRCD leading to unrecoverable cardiac dysfunction11. Recently, artificial intelligence (AI) was shown to be capable of detecting reduced left ventricular ejection fraction (LVEF) solely from electrocardiogram (ECG)12. Furthermore, this model was predictive of a future decrease in LVEF. Therefore, we hypothesized that an AI model detecting reduced LVEF (AI-EF model) could predict CTRCD from ECGs.
Purpose
To assess whether the AI-EF model could detect patients at a high risk of CTRCD by analyzing ECGs taken immediately prior to the initiation of cardiotoxic chemotherapy.
Methods
Among patients who received chemotherapy with a regimen including anthracyclines in two institutions between June 1st, 2015 and October 1st, 2020, those who underwent both an ECG and echocardiogram ≤90 days prior to initial treatment were selected. The ECGs were analyzed by the AI-EF model and patients were divided into two groups according to the scores from the model. CTRCD was defined as LVEF <53% and ≥10% decrease in LVEF from the baseline at any time after the start of chemotherapy13. The cumulative incidence of CTRCD was compared for the two groups using Kaplan-Meier curves, log-rank test, a univariate Cox proportional hazard model, and a multivariable Cox proportional hazard model adjusting for known risk factors for CTRCD. Finally, a prediction model for CTRCD using readily available clinical variables with the AI-EF score was compared with the model using the same variables without the AI-EF score.
Results
1,158 patients were included in this study. 99 of them developed CTRCD during follow-up. The AI-EF model displayed excellent risk stratification of developing CTRCD: while 7.1% in the low AI-EF score group developed CTRCD, 12.9% of the patients in the high AI-EF score group developed CTRCD (hazard ratio (HR), 2.14; 95% confidence interval (CI), 1.43–3.19; log-rank p<0.001; Figure 1). This finding was robust across subgroups such as cancer types, the initial dose of anthracycline and baseline LVEF, and consistent after adjusting for multiple risk factors (adjusted HR, 2.10; 95% CI, 1.37–3.22; p<0.001; Figure 2). Furthermore, the addition of the AI-EF score significantly improved the accuracy of predicting CTRCD compared to clinical features alone (time-dependent area under the received operating curve (AUROC) for 2 years, 77.1; 95% CI, 71.8–82.3 for the model with AI-EF score and AUROC 73.9; 95% CI, 69.0–80.1 for the model without AI-EF score; p=0.02).
Conclusion
The AI-EF model, by utilizing baseline ECG, could stratify patients according to the risk of CTRCD and robustly augmented CTRCD prediction.
Funding Acknowledgement
Type of funding sources: Private grant(s) and/or Sponsorship. Main funding source(s): American Heart AssociationVerily
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Affiliation(s)
- R Yagi
- Brigham and Women'S Hospital, Harvard Medical School , Boston , United States of America
| | - S Goto
- Brigham and Women'S Hospital, Harvard Medical School , Boston , United States of America
| | - C A MacRae
- Brigham and Women'S Hospital, Harvard Medical School , Boston , United States of America
| | - R C Deo
- Brigham and Women'S Hospital, Harvard Medical School , Boston , United States of America
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16
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Pope MK, Hall TS, Atar D, Virdone S, Pieper K, Jansky P, Steffel J, Haas S, Gersh BJ, Goto S, Panchenko E, Baron-Esquivias G, Angchaisuksiri P, Camm AJ, Kakkar AK. Rhythm versus rate control in patients with newly diagnosed atrial fibrillation: observations from the GARFIELD-AF registry. Eur Heart J 2022. [DOI: 10.1093/eurheartj/ehac544.2000] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 11/14/2022] Open
Abstract
Abstract
Background
Atrial fibrillation is associated with considerable morbidity and mortality. Real-world reports on the effect of early rhythm control on patient outcomes in patient with recent onset atrial fibrillation are limited.
Purpose
To assess the effect of early rhythm versus rate control on clinical outcomes in patients with newly diagnosed non-valvular atrial fibrillation.
Method
The Global Anticoagulant Registry in the FIELD-AF (GARFIELD-AF) is a non-interventional registry of adult (≥18 years) patients with newly diagnosed atrial fibrillation (≤ six weeks' duration) and at least one investigator determined risk factor for stroke. Patients were enrolled in 1317 participating sites in 35 countries between March 2010 and August 2016. Patients with permanent atrial fibrillation were excluded. Stratification to rhythm or rate control was based on treatment strategy initiated at baseline (≤48 days post enrolment). Rhythm control was defined as investigator reported initiation of rhythm control (antiarrhythmic drug(s), cardioversion, or ablation – alone or in combination with rate modifiers). Rate control was defined as investigator reported initiation of rate control and absence of rhythm control therapy. Overlap propensity weighting and Cox proportional-hazards models were used to evaluate effect on outcomes.
Results
Of 45,382 included patients, 23,858 (52.6%) received rhythm control and 21,524 (47.4%) rate control. Rates of rhythm control were similar throughout the study time period (52.7% in 2010/2011, 54.2% in 2015/2016). Patients in the rhythm control group were younger (median age (Q1; Q3) 68.0 (60.0; 76.0) versus 73.0 (65.0; 79.0)), had lower rates of prior stroke/transitory ischemic attack/systemic embolism (9.4% vs 13.0%), and a lower median GARFIELD death score (4.0 (2.3; 7.5) versus 5.1 (2.8; 9.2)). Median CHA2DS2-VASc Scores were 3.0 (2.0; 4.0) in both groups. Rate of anticoagulation treatment was similar in the rhythm and rate control group (66.0% versus 65.5%). After propensity score overlap weighting, patients of the two groups were well balanced on all observed characteristics.
Event rates per 100 person-years (95% confidence interval [CI]) over two years follow-up in the rhythm and rate control group were 2.94 (2.78–3.10) versus 4.43 (4.22–4.64) for mortality, 0.84 (0.75–0.92) versus 1.16 (1.05–1.27) for non-haemorrhagic stroke/systemic embolism and 0.84 (0.76–0.93) versus 1.16 (1.06–1.27) for major bleeding. Adjusted hazard ratios (95% CI) for the same time period were 0.85 (0.79–0.92), 0.84 (0.72–0.97) and 0.9 (0.78–1.04).
Conclusion
In this large, internation registry, a rhythm control strategy was initiated at baseline in about half of the patients with newly diagnosed non-valvular atrial fibrillation. After adjustment for confounding factors, a significantly lower risk of all-cause mortality and non-haemorrhagic stroke/systemic embolism were observed for patients that received an early rhythm control strategy.
Funding Acknowledgement
Type of funding sources: Private grant(s) and/or Sponsorship. Main funding source(s): This work was supported by the Thrombosis Research Institute (London, UK).
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Affiliation(s)
- M K Pope
- University of Oslo, Institute of Clinical Medicine , Oslo , Norway
| | - T S Hall
- Oslo University Hospital Ulleval, Department of Cardiology , Oslo , Norway
| | - D Atar
- Oslo University Hospital Ulleval, Department of Cardiology , Oslo , Norway
| | - S Virdone
- Thrombosis Research Institute , London , United Kingdom
| | - K Pieper
- Thrombosis Research Institute , London , United Kingdom
| | - P Jansky
- Motol University Hospital, Department of Cardiovascular Surgery , Prague , Czechia
| | - J Steffel
- University of Zurich , Zurich , Switzerland
| | - S Haas
- Technical University of Munich, Formerly Department of Medicine , Munich , Germany
| | - B J Gersh
- Mayo Clinic College of Medicine and Science, Department of Cardiovascular Medicine , Rochester , United States of America
| | - S Goto
- Tokai University School of Medicine , Kanagawa , Japan
| | - E Panchenko
- National Medical Research Center of Cardiology , Moscow , Russian Federation
| | | | - P Angchaisuksiri
- Ramathibodi Hospital, Department of Medicine , Mahidol University , Thailand
| | - A J Camm
- St George's University of London, Cardiology Clinical Academic Group Molecular and Clinical Sciences Research Institute , London , United Kingdom
| | - A K Kakkar
- Thrombosis Research Institute , London , United Kingdom
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17
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Yoshihara H, Otani T, Nishiyama T, Omae Y, Tokunaga K, Fumiko O, Goto S, Kitaori T, Sugiura-Ogasawara M. O-301 Genome-wide association study identified meiotic variant associated with aneuploid pregnancy loss. Hum Reprod 2022. [DOI: 10.1093/humrep/deac106.094] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/12/2022] Open
Abstract
Abstract
Study question
Which single nucleotide variant (SNVs) are associated with aneuploid pregnancy loss?
Summary answer
We identified a SNV on MEIG1 gene, which are associated with meiosis/spermiogenesis.
What is known already
Recurrent pregnancy loss (RPL) refers to the loss of two or more pregnancies, with a frequency of 5%. Chromosomal abnormalities in embryos are found in 80% of first trimester miscarriages, 86% of which are aneuploid. Recently, embryonic aneuploidy was found to be the most common cause of RPL, with a frequency of 40-50%. Most trisomy miscarriages are of maternal origin, with errors occurring during meiosis of the oocyte. Chromosome segregation abnormalities in oocytes are thought to be an event associated with increasing maternal age, but in addition, maternal genetic causes are thought to contribute.
Study design, size, duration
A Genome wide association study (GWAS) was performed on a clinically well characterized cohort of 189 women with RPL whose previous aborted conceptus was ascertained to be an aneuploid embryo. Samples were mainly collected from 2007 to 2018 mainly at Nagoya City University Hospital. For control samples, we used 1157 samples from the population-based prospective cohorts that included fertile women.
Participants/materials, setting, methods
All patients underwent a systematic examination. Patients with antiphospholipid syndrome, an abnormal chromosome in either partner, or uterine anomaly were excluded. Patients whose previously miscarried POC exhibited triploidy or 45, X were excluded. DNA was isolated from stored EDTA-blood samples and genotyped by Axiom Japonica-array v2659,503 SNVs). For the GWAS, a chi-squared test was applied to a two-by-two contingency table in allele frequency model.
Main results and the role of chance
The mean (SD) ages and number of previous miscarriages of the patients were 36.8 (4.3) and 3.09 (1.13). GWAS data revealed 5 SNVs with suggestive significance (p < 9.46e-06). The SNVs that showed the most significant associations (P = 1.06E-06, OR = 1.72) was located on meiosis/spermiogenesis associated 1 (MEIG1) gene under an allelic model after Bonferroni correction considering the number of analyzed SNVs. The SNV rs7908491 was reported as a splicing QTL in the MEIG1 gene, which is a meiosis/meiosis-associated factor and is plausibly associated with chromosome aneuploidy. This is the first GWAS in patients with RPL caused by aneuploidy.
Limitations, reasons for caution
Since this study was conducted in a single center and had a small sample size, it needs to be replicated in different centers with more subjects and on an international scale. Whole genome imputation analysis will be performed to detect SNVs with more significant associations.
Wider implications of the findings
Our findings demonstrate that a specific genotype of MEIG1 gene can be a risk factor for aneuploid pregnancy loss. The establishment of clinically applicable maternal germ cell markers could identify groups for whom PGT would be more useful or provide patients with counseling that provides prognostic information about pregnancy.
Trial registration number
not applicable
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Affiliation(s)
- H Yoshihara
- Nagoya City University Graduate School of Medical Sciences, Obstetrics and Gynecology , Nagoya, Japan
| | - T Otani
- Nagoya City University Graduate School of Medical Sciences , Public Health , Nagoya, Japan
| | - T Nishiyama
- Nagoya City University Graduate School of Medical Sciences , Public Health , Nagoya, Japan
| | - Y Omae
- National Center for Global Health and Medicine Genome Medical Science, Project-Toyama , Tokyo, Japan
| | - K Tokunaga
- National Center for Global Health and Medicine Genome Medical Science, Project-Toyama , Tokyo, Japan
| | - O Fumiko
- Nagoya City University Graduate School of Medical Sciences, Obstetrics and Gynecology , Nagoya, Japan
| | - S Goto
- Nagoya City University Graduate School of Medical Sciences, Obstetrics and Gynecology , Nagoya, Japan
| | - T Kitaori
- Nagoya City University Graduate School of Medical Sciences, Obstetrics and Gynecology , Nagoya, Japan
| | - M Sugiura-Ogasawara
- Nagoya City University Graduate School of Medical Sciences, Obstetrics and Gynecology , Nagoya, Japan
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Sammons E, Hopewell JC, Chen F, Stevens W, Wallendszus K, Valdes-Marquez E, Dayanandan R, Knott C, Murphy K, Wincott E, Baxter A, Goodenough R, Lay M, Hill M, Macdonnell S, Fabbri G, Lucci D, Fajardo-Moser M, Brenner S, Hao D, Zhang H, Liu J, Wuhan B, Mosegaard S, Herrington W, Wanner C, Angermann C, Ertl G, Maggioni A, Barter P, Mihaylova B, Mitchel Y, Blaustein R, Goto S, Tobert J, DeLucca P, Chen Y, Chen Z, Gray A, Haynes R, Armitage J, Baigent C, Wiviott S, Cannon C, Braunwald E, Collins R, Bowman L, Landray M. Long-term safety and efficacy of anacetrapib in patients with atherosclerotic vascular disease. Eur Heart J 2022; 43:1416-1424. [PMID: 34910136 PMCID: PMC8986460 DOI: 10.1093/eurheartj/ehab863] [Citation(s) in RCA: 24] [Impact Index Per Article: 12.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 05/25/2021] [Revised: 09/30/2021] [Accepted: 12/02/2021] [Indexed: 01/04/2023] Open
Abstract
AIMS REVEAL was the first randomized controlled trial to demonstrate that adding cholesteryl ester transfer protein inhibitor therapy to intensive statin therapy reduced the risk of major coronary events. We now report results from extended follow-up beyond the scheduled study treatment period. METHODS AND RESULTS A total of 30 449 adults with prior atherosclerotic vascular disease were randomly allocated to anacetrapib 100 mg daily or matching placebo, in addition to open-label atorvastatin therapy. After stopping the randomly allocated treatment, 26 129 survivors entered a post-trial follow-up period, blind to their original treatment allocation. The primary outcome was first post-randomization major coronary event (i.e. coronary death, myocardial infarction, or coronary revascularization) during the in-trial and post-trial treatment periods, with analysis by intention-to-treat. Allocation to anacetrapib conferred a 9% [95% confidence interval (CI) 3-15%; P = 0.004] proportional reduction in the incidence of major coronary events during the study treatment period (median 4.1 years). During extended follow-up (median 2.2 years), there was a further 20% (95% CI 10-29%; P < 0.001) reduction. Overall, there was a 12% (95% CI 7-17%, P < 0.001) proportional reduction in major coronary events during the overall follow-up period (median 6.3 years), corresponding to a 1.8% (95% CI 1.0-2.6%) absolute reduction. There were no significant effects on non-vascular mortality, site-specific cancer, or other serious adverse events. Morbidity follow-up was obtained for 25 784 (99%) participants. CONCLUSION The beneficial effects of anacetrapib on major coronary events increased with longer follow-up, and no adverse effects emerged on non-vascular mortality or morbidity. These findings illustrate the importance of sufficiently long treatment and follow-up duration in randomized trials of lipid-modifying agents to assess their full benefits and potential harms. TRIAL REGISTRATION International Standard Randomized Controlled Trial Number (ISRCTN) 48678192; ClinicalTrials.gov No. NCT01252953; EudraCT No. 2010-023467-18.
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Affiliation(s)
- E Sammons
- REVEAL Central Coordinating Office, Clinical Trial Service Unit and Epidemiological Studies Unit, Nuffield Department of Population Health, University of Oxford, Oxford, UK
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19
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Goto S, Tamada K, Eto M. IL-7 and CCL19 producing CAR-T cells enhance antitumor efficacy against solid cancer by preventing antigen-loss tumor relapse. Eur Urol 2022. [DOI: 10.1016/s0302-2838(22)01189-7] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/04/2022]
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20
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Watanabe H, Martini AG, Brown EA, Liang X, Medrano S, Goto S, Narita I, Arend LJ, Sequeira-Lopez MLS, Gomez RA. Inhibition of the renin-angiotensin system causes concentric hypertrophy of renal arterioles in mice and humans. JCI Insight 2021; 6:e154337. [PMID: 34762601 PMCID: PMC8783690 DOI: 10.1172/jci.insight.154337] [Citation(s) in RCA: 13] [Impact Index Per Article: 4.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/23/2021] [Accepted: 11/10/2021] [Indexed: 11/17/2022] Open
Abstract
Inhibitors of the renin-angiotensin system (RAS) are widely used to treat hypertension. Using mice harboring fluorescent cell lineage tracers, single-cell RNA-Seq, and long-term inhibition of RAS in both mice and humans, we found that deletion of renin or inhibition of the RAS leads to concentric thickening of the intrarenal arteries and arterioles. This severe disease was caused by the multiclonal expansion and transformation of renin cells from a classical endocrine phenotype to a matrix-secretory phenotype: the cells surrounded the vessel walls and induced the accumulation of adjacent smooth muscle cells and extracellular matrix, resulting in blood flow obstruction, focal ischemia, and fibrosis. Ablation of the renin cells via conditional deletion of β1 integrin prevented arteriolar hypertrophy, indicating that renin cells are responsible for vascular disease. Given these findings, prospective morphological studies in humans are necessary to determine the extent of renal vascular damage caused by the widespread use of inhibitors of the RAS.
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Affiliation(s)
- Hirofumi Watanabe
- Department of Pediatrics, Child Health Research Center, University of Virginia School of Medicine, Charlottesville, Virginia, USA
- Division of Clinical Nephrology and Rheumatology, Kidney Research Center, Niigata University Graduate School of Medical and Dental Sciences, Niigata, Niigata, Japan
| | - Alexandre G. Martini
- Department of Pediatrics, Child Health Research Center, University of Virginia School of Medicine, Charlottesville, Virginia, USA
| | - Evan A. Brown
- Department of Pediatrics, Child Health Research Center, University of Virginia School of Medicine, Charlottesville, Virginia, USA
| | - Xiuyin Liang
- Department of Pediatrics, Child Health Research Center, University of Virginia School of Medicine, Charlottesville, Virginia, USA
| | - Silvia Medrano
- Department of Pediatrics, Child Health Research Center, University of Virginia School of Medicine, Charlottesville, Virginia, USA
| | - Shin Goto
- Division of Clinical Nephrology and Rheumatology, Kidney Research Center, Niigata University Graduate School of Medical and Dental Sciences, Niigata, Niigata, Japan
| | - Ichiei Narita
- Division of Clinical Nephrology and Rheumatology, Kidney Research Center, Niigata University Graduate School of Medical and Dental Sciences, Niigata, Niigata, Japan
| | - Lois J. Arend
- Department of Pathology, Johns Hopkins University and Johns Hopkins Hospital, Baltimore, Maryland, USA
| | - Maria Luisa S. Sequeira-Lopez
- Department of Pediatrics, Child Health Research Center, University of Virginia School of Medicine, Charlottesville, Virginia, USA
| | - R. Ariel Gomez
- Department of Pediatrics, Child Health Research Center, University of Virginia School of Medicine, Charlottesville, Virginia, USA
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21
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Virdone S, Himmelreich J, Pieper K, Camm A, Bassand JP, Fox K, Fitzmaurice D, Goldhaber S, Goto S, Haas S, Kayani G, Misselwitz F, Turpie A, Verheugt F, Kakkar A. Comparative effectiveness of NOAC vs VKA in patients representing common clinical challenges: results from the GARFIELD-AF registry. Eur Heart J 2021. [DOI: 10.1093/eurheartj/ehab724.0557] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 11/13/2022] Open
Abstract
Abstract
Introduction
Large phase III trials of non-valvular atrial fibrillation (AF) patients have shown a favourable risk-to-benefit ratio with Non-Vitamin K antagonist oral anticoagulants (NOAC) compared to Vitamin K antagonists (VKA). Although the results of these trials are directly applicable to many AF patients, important subsets of patients were under-represented. Thus, there remains uncertainty about the safety and effectiveness of NOAC therapy in common challenging scenarios.
Purpose
The main purpose of this study is to quantify and compare the impact of NOAC vs VKA in settings where clinical uncertainty still exists and represents a considerable proportion of AF patients in clinical practice.
Methods
The analysis was conducted in patients enrolled in the largest AF multinational prospective registry (the Global Anticoagulant Registry in the FIELD–Atrial Fibrillation, GARFIELD-AF). We evaluated the effectiveness and safety of NOAC compared to VKA in three groups of patients representing common clinical challenges (CCC): 1) elderly patients (i.e. age ≥75), 2) increased bleeding risk (i.e. HAS-BLED ≥3 or prior bleeding), and 3) renal impairment (i.e. CKD stages II to IV).
We applied a propensity score using an overlap weighting scheme to obtain unbiased estimates of the treatment effect within each CCC group. Weights were applied to Cox proportional hazards models to estimate the effects of the NOAC vs VKA comparison on the occurrence of death, non-haemorrhagic stroke/SE and major bleeding within 2 years of enrolment.
Results
Comparative effectiveness of NOAC vs VKA was assessed in 8607 elderly patients, 1711 with increased bleeding risk, and 4460 with renal impairment.
The proportion of anticoagulated patients was low in patients with increased bleeding risk (59%), while in the other two CCC groups the corresponding proportion was close to the one in the overall population (72%).
Among anticoagulated patients, NOAC were prescribed to 50–55% of patients in the CCC groups. Patients with a high risk of bleeding and impaired kidney function were less likely to be prescribed NOAC instead of VKA compared with the overall anticoagulated population (−5.4% and −4.7%, respectively).
Propensity-weighted hazard ratios for all-cause mortality favored NOAC (vs VKA) in all three CCC groups: 0.86 (95% CI: 0.74–0.99) for elderly patients, 0.73 (0.53–1.00) for patients with increased bleeding risk, and 0.80 (0.65–0.98) for patients with renal impairment (Figure).
Conclusion
In the selected common challenging scenarios of AF patients, there were significant mortality reductions in favor of NOACs compared to VKAs. These observations suggest that NOACs are safe and effective in patients who are elderly, at increased bleeding risk, or renally impaired.
Funding Acknowledgement
Type of funding sources: Private grant(s) and/or Sponsorship. Main funding source(s): This study was supported by an unrestricted research grant from Bayer AG, Berlin, Germany, to TRI, London, UK, which sponsors the GARFIELD-AF registry. The work is supported by KANTOR CHARITABLE FOUNDATION for the Kantor-Kakkar Global Centre for Thrombosis Science.
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Affiliation(s)
- S Virdone
- Thrombosis Research Institute, London, United Kingdom
| | - J.C.L Himmelreich
- Thrombosis Research Institute, London, UK and Amsterdam UMC, Department of General Practice, Amsterdam, Netherlands (The)
| | - K.S Pieper
- Thrombosis Research Institute, London, United Kingdom
| | - A.J Camm
- St George's University of London, Cardiology Clinical Academic Group Molecular & Clinical Sciences Research Institute, London, United Kingdom
| | - J.-P Bassand
- Thrombosis Research Institute, London, UK and University of Besançon, Besancon, France
| | - K.A.A Fox
- University of Edinburgh, Edinburgh, United Kingdom
| | | | - S.Z Goldhaber
- Brigham and Women'S Hospital, Harvard Medical School, Boston, United States of America
| | - S Goto
- Tokai University School of Medicine, Kanagawa, Japan
| | - S Haas
- Technical University of Munich, Munich, Germany
| | - G Kayani
- Thrombosis Research Institute, London, United Kingdom
| | | | | | - F.W.A Verheugt
- Onze Lieve Vrouwe Gasthuis (OLVG), Amsterdam, Netherlands (The)
| | - A.K Kakkar
- Thrombosis Research Institute and University College London, London, United Kingdom
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22
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Himmelreich J, Virdone S, Camm A, Harskamp R, Pieper K, Fox K, Bassand JP, Fitzmaurice D, Goldhaber S, Goto S, Haas S, Misselwitz F, Turpie A, Verheugt F, Kakkar A. Safety and efficacy of apixaban and rivaroxaban versus warfarin in real-world atrial fibrillation patients are similar to their randomized trials: insights from GARFIELD-AF registry. Eur Heart J 2021. [DOI: 10.1093/eurheartj/ehab724.0559] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 11/14/2022] Open
Abstract
Abstract
Introduction
Generalisability of patient selection in the landmark trials for the approval of apixaban (ARISTOTLE) and rivaroxaban (ROCKET AF) for use in non-valvular atrial fibrillation (AF) is limited. Although observational data have confirmed the safety and efficacy of these non-vitamin K oral anticoagulants (NOACs) in unselected AF populations, robust replication of randomized trials in observational studies is warranted.
Purpose
To investigate the proportion of real-world AF patients who would have been eligible for the landmark trials for ARISTOTLE and ROCKET AF, and to assess reproducibility of these landmark trials in the largest, worldwide, prospective registry of newly diagnosed AF patients.
Methods
We analysed data from the Global Anticoagulant Registry in the FIELD–Atrial Fibrillation (GARFIELD-AF) registry. We assessed the eligibility of AF patients treated with apixaban or vitamin K antagonist (VKA) for ARISTOTLE, and those treated with rivaroxaban or VKA for ROCKET AF, using the selection criteria of the original trials. We replicated the inclusion and exclusion criteria of ARISTOTLE and ROCKET AF by deriving the set of patients eligible for each trial and calculating the adjusted hazard ratios (HRs) for stroke or systemic embolism, major bleeding, and all-cause mortality within 2 years of enrolment, using a propensity score overlap weighted Cox model. We compared the results from observational data with those reported in the original ARISTOTLE and ROCKET AF publications.
Results
Among all patients enrolled in GARFIELD-AF, 67% were eligible for recruitment in ARISTOTLE and 37% in ROCKET AF. The corresponding proportions among anticoagulated patients were 70% and 39%, respectively. Among patients on apixaban and VKA, 2570/3615 (71%) and 8005/11718 (68%), respectively, were eligible for ARISTOTLE. Of patients using rivaroxaban and VKA, 2005/4914 (41%) and 4368/11721 (37%), respectively, were eligible for ROCKET AF. Annual eligibility rates among real-world NOAC users were stable over time (Figure 1). Registry participants on rivaroxaban or VKA eligible for ROCKET AF had a higher burden of cardiovascular co-morbidity than those on apixaban or VKA eligible for ARISTOTLE. The adjusted HRs in observational data were compatible with results of the original trials in all selected outcomes (Figure 2).
Conclusion
Representativeness of ARISTOTLE and ROCKET AF for real-world AF populations was limited, with ROCKET AF's criteria being more restrictive. Despite inclusion of only incident AF cases in GARFIELD-AF versus mostly prevalent AF cases in the original trials, the results were similar. Our work indicates that the results from ARISTOTLE and ROCKET AF appear robust and reproducible in real-world patients with newly diagnosed AF.
Funding Acknowledgement
Type of funding sources: Private grant(s) and/or Sponsorship. Main funding source(s): This work was supported by an unrestricted research grant from Bayer AG, Berlin, Germany, to TRI, London, UK, which sponsors the GARFIELD-AF registry. This work is supported by KANTOR CHARITABLE FOUNDATION for the Kantor-Kakkar Global Centre for Thrombosis Science.
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Affiliation(s)
- J.C.L Himmelreich
- Thrombosis Research Institute, London, UK and Amsterdam UMC, Department of General Practice, Amsterdam, Netherlands (The)
| | - S Virdone
- Thrombosis Research Institute, London, United Kingdom
| | - A.J Camm
- St George's University of London, Cardiology Clinical Academic Group Molecular & Clinical Sciences Research Institute, London, United Kingdom
| | - R.E Harskamp
- Amsterdam UMC Location AMC, Department of General Practice, Amsterdam Public Health, Amsterdam, Netherlands (The)
| | - K.S Pieper
- Thrombosis Research Institute, London, United Kingdom
| | - K.A.A Fox
- University of Edinburgh, Edinburgh, United Kingdom
| | - J.-P Bassand
- Thrombosis Research Institute, London, UK and University of Besançon, Besançon, France
| | | | - S.Z Goldhaber
- Brigham and Women'S Hospital, Harvard Medical School, Boston, United States of America
| | - S Goto
- Tokai University School of Medicine, Kanagawa, Japan
| | - S Haas
- Technical University of Munich, Munich, Germany
| | | | | | - F.W.A Verheugt
- Onze Lieve Vrouwe Gasthuis (OLVG), Amsterdam, Netherlands (The)
| | - A.K Kakkar
- Thrombosis Research Institute and University College London, London, United Kingdom
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Himmelreich J, Virdone S, Camm A, Harskamp R, Pieper K, Fox K, Bassand JP, Fitzmaurice D, Goldhaber S, Goto S, Haas S, Misselwitz F, Turpie A, Verheugt F, Kakkar A. Comparing rivaroxaban and apixaban in GARFIELD-AF according to ROCKET AF and ARISTOTLE trial selection criteria. Eur Heart J 2021. [DOI: 10.1093/eurheartj/ehab724.0560] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 11/14/2022] Open
Abstract
Abstract
Introduction
There is debate on the extent to which differences in selection criteria and outcome definitions used for ARISTOTLE and ROCKET AF – the trials for the approval of apixaban and rivaroxaban, respectively, for non-valvular atrial fibrillation – influenced their differences in outcomes relative to vitamin K antagonists (VKAs). In absence of randomized trials comparing the two non-vitamin K oral antagonists (NOACs) directly, this question can be addressed using data from the Global Anticoagulant Registry in the FIELD–Atrial Fibrillation (GARFIELD-AF) registry, a large, high-quality prospective observational study of newly diagnosed AF patients.
Purpose
To assess the influence of the ARISTOTLE and ROCKET AF inclusion and exclusion criteria on results for safety and efficacy of apixaban and rivaroxaban versus VKA using uniform endpoints in GARFIELD-AF.
Methods
We selected patients treated with apixaban, rivaroxaban or VKA from GARFIELD-AF who were eligible for ARISTOTLE or ROCKET AF as per the original trial criteria. We replicated the inclusion criteria in the GARFIELD-AF population and derived those eligible for each trial. We calculated the adjusted hazard ratios (HRs) for stroke or systemic embolism, major bleeding and all-cause mortality within 2 years of enrolment for apixaban as well as rivaroxaban versus VKA (reference) in those eligible for each trial. We used a propensity score overlap weighted Cox model to emulate trial randomization between NOAC and VKA.
Results
Among patients on apixaban, rivaroxaban and VKA, 2570/3615 (71%), 3560/4914 (72%) and 8005/11734 (71%) were eligible for ARISTOTLE, respectively, and 1612/3615 (45%), 2005/4914 (41%) and 4368/11734 (37%), respectively, were eligible for ROCKET AF. Cardiovascular co-morbidity was greater in those eligible for ROCKET AF than in those eligible for ARISTOTLE. In patients selected using the more restrictive ROCKET AF criteria, apixaban and rivaroxaban users showed similar results when compared with VKA (see Figure). The two sets of comparisons remained non-significant in difference when applying the less restrictive ARISTOTLE criteria, but there were trends for less similarity.
Conclusion
Apixaban showed similar results to rivaroxaban when selecting for higher-risk patients using the ROCKET AF criteria. In patients selected using ARISTOTLE criteria the similarity was less pronounced. Our results underline the problems faced in comparing treatments across rather than within clinical trials. For instance, co-morbidities were substantially different for patients recruited into the original ARISTOTLE and ROCKET AF trials. The current work points to the need for high-quality observational data for assessment of relative drug performance in absence of direct drug comparisons through randomized trials.
Funding Acknowledgement
Type of funding sources: Private grant(s) and/or Sponsorship. Main funding source(s): This work was supported by an unrestricted research grant from Bayer AG, Berlin, Germany, to TRI, London, UK, which sponsors the GARFIELD-AF registry. This work is supported by KANTOR CHARITABLE FOUNDATION for the Kantor-Kakkar Global Centre for Thrombosis Science.
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Affiliation(s)
- J.C.L Himmelreich
- Thrombosis Research Institute, London, UK and Amsterdam UMC, Department of General Practice, Amsterdam, Netherlands (The)
| | - S Virdone
- Thrombosis Research Institute, London, United Kingdom
| | - A.J Camm
- St George's University of London, Cardiology Clinical Academic Group Molecular & Clinical Sciences Research Institute, London, United Kingdom
| | - R.E Harskamp
- Amsterdam UMC Location AMC, Department of General Practice, Amsterdam Public Health, Amsterdam, Netherlands (The)
| | - K.S Pieper
- Thrombosis Research Institute, London, United Kingdom
| | - K.A.A Fox
- University of Edinburgh, Edinburgh, United Kingdom
| | - J.-P Bassand
- Thrombosis Research Institute, London, UK and University of Besançon, Besançon, France
| | | | - S.Z Goldhaber
- Brigham and Women'S Hospital, Harvard Medical School, Boston, United States of America
| | - S Goto
- Tokai University School of Medicine, Kanagawa, Japan
| | - S Haas
- Technical University of Munich, Munich, Germany
| | | | | | - F.W.A Verheugt
- Onze Lieve Vrouwe Gasthuis (OLVG), Amsterdam, Netherlands (The)
| | - A.K Kakkar
- Thrombosis Research Institute and University College London, lONDON, United Kingdom
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Yoshihara H, Sugiura-Ogasawara M, Kitaori T, Goto S. P–377 Association between antinuclear antibodies and pregnancy prognosis in recurrent pregnancy loss patients. Hum Reprod 2021. [DOI: 10.1093/humrep/deab130.376] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/12/2022] Open
Abstract
Abstract
Study question
Can antinuclear antibody (ANA) affect the subsequent live birth rate in patients with recurrent pregnancy loss (RPL) who have no antiphospholipid antibodies (aPLs)?
Summary answer
ANA did not affect the pregnancy prognosis of RPL women.
What is known already
The prevalence of ANA is well-known to be higher in RPL patients. Our previous study found no difference in the live birth rates of ANA-positive and -negative patients who had no aPLs. Higher miscarriage rates were also reported in ANA-positive patients compared to ANA-negative patients with RPL. The RPL guidelines of the ESHRE state that “ANA testing can be considered for explanatory purposes.” However, there have been a limited number of studies on this issue and sample sizes have been small, and the impact of ANA on the pregnancy prognosis is unclear.
Study design, size, duration
An observational cohort study was conducted at Nagoya City University Hospital between 2006 and 2019. The study included 1,108 patients with a history of 2 or more pregnancy losses.
Participants/materials, setting, methods
4D-Ultrasound, hysterosalpingography, chromosome analysis for both partners, aPLs and blood tests for ANA and diabetes mellitus were performed before a subsequent pregnancy. ANAs were measured by indirect immunofluorescence. The cutoff dilution used was 1:40. In addition, patients were classified according to the ANA pattern on immunofluorescence staining. Live birth rates were compared between ANA-positive and ANA-negative patients after excluding patients with antiphospholipid syndrome, an abnormal chromosome in either partner and a uterine anomaly.
Main results and the role of chance
The 994 patients were analyzed after excluding 40 with a uterine anomaly, 43 with a chromosome abnormality in either partner and 32 with APS. The rate of ANA-positive patients was 39.2% (390/994) when the 1: 40 dilution result was positive. With a 1:160 dilution, the rate of ANA-positive patients was 3.62% (36/994). The live birth rate was calculated for 798 patients, excluding 196 patients with unexplained RPL who had been treated with any medication.
With the use of the 1: 40 dilution, the subsequent live birth rates were 71.34% (219/307) for the ANA-positive group and 70.67% (347/491) for the ANA-negative group (OR, 95%CI; 0.968, 0.707–1.326). After excluding miscarriages with embryonic aneuploidy, chemical pregnancies and ectopic pregnancies, live birth rates were 92.41% (219/237) for the ANA-positive group and 92.04% (347/377) for the ANA-negative group (0.951, 0.517–1.747). Using the 1:160 dilution, the subsequent live birth rates were 84.62% (22/26) for the ANA-positive group, and 70.47% (544/772) for the ANA-negative group (0.434, 0.148–1.273).
Subgroup analyses were performed for each pattern on immunofluorescence staining, but there was no significant difference in the live birth rate between the two groups.
Limitations, reasons for caution
The effectiveness of immunotherapies could not be evaluated. However, the results of this study suggest that it is not necessary.
Wider implications of the findings: The measurement of ANA might not be necessary for the screening of patients with RPL who have no features of collagen disease.
Trial registration number
Not applicable
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Affiliation(s)
- H Yoshihara
- Nagoya City University Graduate School of Medical Sciences, Obstetrics and Gynecology, Nagoya, Japan
| | - M Sugiura-Ogasawara
- Nagoya City University Graduate School of Medical Sciences, Obstetrics and Gynecology, Nagoya, Japan
| | - T Kitaori
- Nagoya City University Graduate School of Medical Sciences, Obstetrics and Gynecology, Nagoya, Japan
| | - S Goto
- Nagoya City University Graduate School of Medical Sciences, Obstetrics and Gynecology, Nagoya, Japan
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25
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Yoshihara H, Sugiura-Ogasawara M, Kitaori T, Goto S. P-377 Association between antinuclear antibodies and pregnancy prognosis in recurrent pregnancy loss patients. Hum Reprod 2021. [DOI: 10.1093/humrep/deab127.069] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/13/2022] Open
Abstract
Abstract
Study question
Can antinuclear antibody (ANA) affect the subsequent live birth rate in patients with recurrent pregnancy loss (RPL) who have no antiphospholipid antibodies (aPLs)?
Summary answer
ANA did not affect the pregnancy prognosis of RPL women.
What is known already
The prevalence of ANA is well-known to be higher in RPL patients. Our previous study found no difference in the live birth rates of ANA-positive and -negative patients who had no aPLs. Higher miscarriage rates were also reported in ANA-positive patients compared to ANA-negative patients with RPL. The RPL guidelines of the ESHRE state that “ANA testing can be considered for explanatory purposes.” However, there have been a limited number of studies on this issue and sample sizes have been small, and the impact of ANA on the pregnancy prognosis is unclear.
Study design, size, duration
An observational cohort study was conducted at Nagoya City University Hospital between 2006 and 2019. The study included 1,108 patients with a history of 2 or more pregnancy losses.
Participants/materials, setting, methods
4D-Ultrasound, hysterosalpingography, chromosome analysis for both partners, aPLs and blood tests for ANA and diabetes mellitus were performed before a subsequent pregnancy. ANAs were measured by indirect immunofluorescence. The cutoff dilution used was 1:40. In addition, patients were classified according to the ANA pattern on immunofluorescence staining. Live birth rates were compared between ANA-positive and ANA-negative patients after excluding patients with antiphospholipid syndrome, an abnormal chromosome in either partner and a uterine anomaly.
Main results and the role of chance
The 994 patients were analyzed after excluding 40 with a uterine anomaly, 43 with a chromosome abnormality in either partner and 32 with APS. The rate of ANA-positive patients was 39.2 % (390/994) when the 1: 40 dilution result was positive. With a 1:160 dilution, the rate of ANA-positive patients was 3.62 % (36/994). The live birth rate was calculated for 798 patients, excluding 196 patients with unexplained RPL who had been treated with any medication.
With the use of the 1
40 dilution, the subsequent live birth rates were 71.34 % (219/307) for the ANA-positive group and 70.67 % (347/491) for the ANA-negative group (OR, 95%CI; 0.968, 0.707-1.326). After excluding miscarriages with embryonic aneuploidy, chemical pregnancies and ectopic pregnancies, live birth rates were 92.41 % (219/237) for the ANA-positive group and 92.04 % (347/377) for the ANA-negative group (0.951, 0.517-1.747).
Using the 1:160 dilution, the subsequent live birth rates were 84.62 % (22/26) for the ANA-positive group, and 70.47 % (544/772) for the ANA-negative group (0.434, 0.148-1.273).
Subgroup analyses were performed for each pattern on immunofluorescence staining, but there was no significant difference in the live birth rate between the two groups.
Limitations, reasons for caution
The effectiveness of immunotherapies could not be evaluated. However, the results of this study suggest that it is not necessary.
Wider implications of the findings
The measurement of ANA might not be necessary for the screening of patients with RPL who have no features of collagen disease.
Trial registration number
not applicable
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Affiliation(s)
- H Yoshihara
- Nagoya City University Graduate School of Medical Sciences, Obstetrics and Gynecology, Nagoya, Japan
| | - M Sugiura-Ogasawara
- Nagoya City University Graduate School of Medical Sciences, Obstetrics and Gynecology, Nagoya, Japan
| | - T Kitaori
- Nagoya City University Graduate School of Medical Sciences, Obstetrics and Gynecology, Nagoya, Japan
| | - S Goto
- Nagoya City University Graduate School of Medical Sciences, Obstetrics and Gynecology, Nagoya, Japan
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26
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Goto S, Tamada K, Eto M. Anti-mesothelin human CAR-T cells producing IL-7 and CCL19 enhance antitumor efficacy against solid cancer in orthotopic and PDX mouse models. Eur Urol 2021. [DOI: 10.1016/s0302-2838(21)00932-5] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/29/2022]
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27
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Cho T, Sato H, Wakamatsu A, Ohashi R, Ajioka Y, Uchiumi T, Goto S, Narita I, Kaneko Y. Mood Disorder in Systemic Lupus Erythematosus Induced by Antiribosomal P Protein Antibodies Associated with Decreased Serum and Brain Tryptophan. J Immunol 2021; 206:1729-1739. [PMID: 33789980 DOI: 10.4049/jimmunol.2000260] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Received: 03/09/2020] [Accepted: 02/12/2021] [Indexed: 12/26/2022]
Abstract
Antiribosomal P protein (anti-P) autoantibodies commonly develop in patients with systemic lupus erythematosus. We have previously established hybridoma clones producing anti-P mAbs. In this study, we explored the pathogenesis of behavioral disorders induced by anti-P Abs using these mAbs. New Zealand Black × New Zealand White F1, New Zealand White, C57BL/6, and BALB/c mice were treated with 1 mg of anti-P Abs once every 2 wk. The behavioral disorder was evaluated by the tail suspension test, forced swim test, and open field test. Following administration of anti-P Abs, New Zealand Black × New Zealand White F1 and C57BL/6 mice developed depressive behavior and showed increased anxiety with elevated serum TNF-α and IL-6 levels. Anti-P Abs were not deposited in the affected brain tissue; instead, this mood disorder was associated with lower serum and brain tryptophan concentrations. Tryptophan supplementation recovered serum tryptophan levels and prevented the behavioral disorder. TNF-α and IL-6 were essential for the decreased serum tryptophan and disease development, which were ameliorated by treatment with anti-TNF-α neutralizing Abs or dexamethasone. Peritoneal macrophages from C57BL/6 mice produced TNF-α, IL-6, and IDO-1 via interaction with anti-P Abs through activating FcγRs, which were required for disease development. IVIg, which has an immunosuppressive effect partly through the regulation of FcγR expression, also prevented the decrease in serum tryptophan and disease development. Furthermore, serum tryptophan concentrations were decreased in the sera of systemic lupus erythematosus patients with anti-P Abs, and lower tryptophan levels correlated with disease activity. Our study revealed some of the molecular mechanisms of mood disorder induced by anti-P Abs.
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Affiliation(s)
- Takamasa Cho
- Division of Clinical Nephrology and Rheumatology, Graduate School of Medical and Dental Sciences, Niigata University, Niigata 9518510, Japan
| | - Hiroe Sato
- Health Administration Center, Niigata University, Niigata 9502181, Japan
| | - Ayako Wakamatsu
- Division of Clinical Nephrology and Rheumatology, Graduate School of Medical and Dental Sciences, Niigata University, Niigata 9518510, Japan
| | - Riuko Ohashi
- Histopathology Core Facility, Faculty of Medicine, Niigata University, Niigata 9518510, Japan.,Division of Molecular and Diagnostic Pathology, Graduate School of Medical and Dental Sciences, Niigata University, Niigata 9518510, Japan; and
| | - Yoichi Ajioka
- Histopathology Core Facility, Faculty of Medicine, Niigata University, Niigata 9518510, Japan.,Division of Molecular and Diagnostic Pathology, Graduate School of Medical and Dental Sciences, Niigata University, Niigata 9518510, Japan; and
| | - Toshio Uchiumi
- Department of Biology, Faculty of Science, Niigata University, Niigata 9502181, Japan
| | - Shin Goto
- Division of Clinical Nephrology and Rheumatology, Graduate School of Medical and Dental Sciences, Niigata University, Niigata 9518510, Japan
| | - Ichiei Narita
- Division of Clinical Nephrology and Rheumatology, Graduate School of Medical and Dental Sciences, Niigata University, Niigata 9518510, Japan
| | - Yoshikatsu Kaneko
- Division of Clinical Nephrology and Rheumatology, Graduate School of Medical and Dental Sciences, Niigata University, Niigata 9518510, Japan;
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28
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Yamaguchi H, Goto S, Takahashi N, Tsuchida M, Watanabe H, Yamamoto S, Kaneko Y, Higashi K, Mori H, Nakamura Y, Horii A, Kurokawa K, Narita I. Aberrant mucosal immunoreaction to tonsillar microbiota in immunoglobulin A nephropathy. Nephrol Dial Transplant 2021; 36:75-86. [PMID: 33099625 PMCID: PMC7771982 DOI: 10.1093/ndt/gfaa223] [Citation(s) in RCA: 8] [Impact Index Per Article: 2.7] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/22/2020] [Indexed: 12/25/2022] Open
Abstract
BACKGROUND Immunoglobulin A nephropathy (IgAN) is the most common glomerulonephritis worldwide, characterized by mesangial polymeric IgA1 deposition. IgAN is believed to develop owing to aberrant mucosal immunoreaction against commensals in the tonsils. However, the exact interrelation between pathogenic IgA and mucosal microbiota in IgAN patients is unclear. METHODS Biopsy-proven IgAN or recurrent tonsillitis (RT) patients who had undergone tonsillectomy were enrolled. We used 16S ribosomal RNA gene amplicon sequencing with a flow cytometry-based bacterial cell sorting technique) and immunoglobulin repertoire sequencing of the IgA heavy chain to characterize IgA-coated bacteria of the tonsillar microbiota (IgA-SEQ) and their corresponding IgA repertoire. Furthermore, we fractionated patient serum using gel-filtration chromatography and performed flow cytometry-based analysis of IgA binding to bacteria cultured from incised tonsils. RESULTS Tonsillar proliferation-inducing ligand and B-cell activating factor levels were significantly higher in IgAN than in RT patients. IgA-SEQ for tonsillar microbiota revealed the preferential binding ability of IgA to Bacteroidetes in IgAN tonsils compared with those from RT patients. Expression of immunoglobulin heavy (IGH) constant alpha 1 with IGH variable 3-30 was significantly higher in IgAN than that in RT, and positively correlated with the IgA-coated enrichment score of Bacteroidetes. Serum polymeric IgA, comprising high levels of GdIgA1, exhibited considerable binding to Bacteroidetes strains cultured from the tonsils of IgAN patients. CONCLUSIONS These findings provide evidence that aberrant mucosal immune responses to tonsillar anaerobic microbiota, primarily consisting of members of the phylum Bacteroidetes, are involved in IgAN pathophysiology.
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Affiliation(s)
- Hiroki Yamaguchi
- Division of Clinical Nephrology and Rheumatology, Kidney Research Center, Niigata University Graduate School of Medical and Dental Sciences, Niigata, Japan
| | - Shin Goto
- Division of Clinical Nephrology and Rheumatology, Kidney Research Center, Niigata University Graduate School of Medical and Dental Sciences, Niigata, Japan
| | - Nao Takahashi
- Department of Otolaryngology Head and Neck Surgery, Niigata University Graduate School of Medical and Dental Sciences, Niigata, Japan
| | - Masafumi Tsuchida
- Division of Clinical Nephrology and Rheumatology, Kidney Research Center, Niigata University Graduate School of Medical and Dental Sciences, Niigata, Japan
| | - Hirofumi Watanabe
- Division of Clinical Nephrology and Rheumatology, Kidney Research Center, Niigata University Graduate School of Medical and Dental Sciences, Niigata, Japan
| | - Suguru Yamamoto
- Division of Clinical Nephrology and Rheumatology, Kidney Research Center, Niigata University Graduate School of Medical and Dental Sciences, Niigata, Japan
| | - Yoshikatsu Kaneko
- Division of Clinical Nephrology and Rheumatology, Kidney Research Center, Niigata University Graduate School of Medical and Dental Sciences, Niigata, Japan
| | - Koichi Higashi
- Genome Evolution Laboratory, National Institute of Genetics, Mishima, Japan
| | - Hiroshi Mori
- Genome Evolution Laboratory, National Institute of Genetics, Mishima, Japan
| | | | - Arata Horii
- Department of Otolaryngology Head and Neck Surgery, Niigata University Graduate School of Medical and Dental Sciences, Niigata, Japan
| | - Ken Kurokawa
- Genome Evolution Laboratory, National Institute of Genetics, Mishima, Japan
| | - Ichiei Narita
- Division of Clinical Nephrology and Rheumatology, Kidney Research Center, Niigata University Graduate School of Medical and Dental Sciences, Niigata, Japan
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29
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Yamamoto S, Sasahara K, Domon M, Yamaguchi K, Ito T, Goto S, Goto Y, Narita I. pH-Dependent Protein Binding Properties of Uremic Toxins In Vitro. Toxins (Basel) 2021; 13:toxins13020116. [PMID: 33557434 PMCID: PMC7914709 DOI: 10.3390/toxins13020116] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/18/2020] [Revised: 01/30/2021] [Accepted: 02/01/2021] [Indexed: 12/22/2022] Open
Abstract
Protein-bound uremic toxins (PBUTs) are difficult to remove using conventional dialysis treatment owing to their high protein-binding affinity. As pH changes the conformation of proteins, it may be associated with the binding of uremic toxins. Albumin conformation at pH 2 to 13 was analyzed using circular dichroism. The protein binding behavior between indoxyl sulfate (IS) and albumin was examined using isothermal titration calorimetry. Albumin with IS, and serum with IS, p-cresyl sulfate, indole acetic acid or phenyl sulfate, as well as serum from hemodialysis patients, were adjusted pH of 3 to 11, and the concentration of the free PBUTs was measured using mass spectrometry. Albumin was unfolded at pH < 4 or >12, and weakened interaction with IS occurred at pH < 5 or >10. The concentration of free IS in the albumin solution was increased at pH 4.0 and pH 11.0. Addition of human serum to each toxin resulted in increased free forms at acidic and alkaline pH. The pH values of serums from patients undergoing hemodialysis adjusted to 3.4 and 11.3 resulted in increased concentrations of the free forms of PBUTs. In conclusion, acidic and alkaline pH conditions changed the albumin conformation and weakened the protein binding property of PBUTs in vitro.
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Affiliation(s)
- Suguru Yamamoto
- Division of Clinical Nephrology and Rheumatology, Niigata University Graduate School of Medical and Dental Sciences, Niigata 951-8510, Japan; (M.D.); (T.I.); (S.G.); (I.N.)
- Correspondence: ; Tel.: +81-25-227-2200
| | - Kenichi Sasahara
- Institute for Protein Research, Osaka University, Yamadaoka 3-2, Suita, Osaka 565-0871, Japan; (K.S.); (K.Y.); (Y.G.)
| | - Mio Domon
- Division of Clinical Nephrology and Rheumatology, Niigata University Graduate School of Medical and Dental Sciences, Niigata 951-8510, Japan; (M.D.); (T.I.); (S.G.); (I.N.)
| | - Keiichi Yamaguchi
- Institute for Protein Research, Osaka University, Yamadaoka 3-2, Suita, Osaka 565-0871, Japan; (K.S.); (K.Y.); (Y.G.)
| | - Toru Ito
- Division of Clinical Nephrology and Rheumatology, Niigata University Graduate School of Medical and Dental Sciences, Niigata 951-8510, Japan; (M.D.); (T.I.); (S.G.); (I.N.)
| | - Shin Goto
- Division of Clinical Nephrology and Rheumatology, Niigata University Graduate School of Medical and Dental Sciences, Niigata 951-8510, Japan; (M.D.); (T.I.); (S.G.); (I.N.)
| | - Yuji Goto
- Institute for Protein Research, Osaka University, Yamadaoka 3-2, Suita, Osaka 565-0871, Japan; (K.S.); (K.Y.); (Y.G.)
| | - Ichiei Narita
- Division of Clinical Nephrology and Rheumatology, Niigata University Graduate School of Medical and Dental Sciences, Niigata 951-8510, Japan; (M.D.); (T.I.); (S.G.); (I.N.)
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30
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Yamaguchi H, Goto S, Takahashi N, Tsuchida M, Watanabe H, Yamamoto S, Kaneko Y, Higashi K, Mori H, Nakamura Y, Horii A, Kurokawa K, Narita I. Erratum to: Aberrant mucosal immunoreaction to tonsillar microbiota in immunoglobulin A nephropathy. Nephrol Dial Transplant 2021; 36:gfaa319. [PMID: 33394044 PMCID: PMC8620122 DOI: 10.1093/ndt/gfaa319] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/28/2022] Open
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31
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Wakamatsu T, Iwasaki Y, Yamamoto S, Matsuo K, Goto S, Narita I, Kazama JJ, Tanaka K, Ito A, Ozasa R, Nakano T, Miyakoshi C, Onishi Y, Fukuma S, Fukuhara S, Yamato H, Fukagawa M, Akizawa T. Type I Angiotensin II Receptor Blockade Reduces Uremia-Induced Deterioration of Bone Material Properties. J Bone Miner Res 2021; 36:67-79. [PMID: 32786093 PMCID: PMC9328427 DOI: 10.1002/jbmr.4159] [Citation(s) in RCA: 9] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 12/19/2019] [Revised: 07/15/2020] [Accepted: 07/27/2020] [Indexed: 12/19/2022]
Abstract
Chronic kidney disease (CKD) is associated with a high incidence of fractures. However, the pathophysiology of this disease is not fully understood, and limited therapeutic interventions are available. This study aimed to determine the impact of type 1 angiotensin II receptor blockade (AT-1RB) on preventing CKD-related fragility fractures and elucidate its pharmacological mechanisms. AT-1RB use was associated with a lower risk of hospitalization due to fractures in 3276 patients undergoing maintenance hemodialysis. In nephrectomized rats, administration of olmesartan suppressed osteocyte apoptosis, skeletal pentosidine accumulation, and apatite disorientation, and partially inhibited the progression of the bone elastic mechanical properties, while the bone mass was unchanged. Olmesartan suppressed angiotensin II-dependent oxidation stress and apoptosis in primary cultured osteocytes in vitro. In conclusion, angiotensin II-dependent intraskeletal oxidation stress deteriorated the bone elastic mechanical properties by promoting osteocyte apoptosis and pentosidine accumulation. Thus, AT-1RB contributes to the underlying pathogenesis of abnormal bone quality in the setting of CKD, possibly by oxidative stress. © 2020 The Authors. Journal of Bone and Mineral Research published by Wiley Periodicals LLC on behalf of American Society for Bone and Mineral Research (ASBMR).
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Affiliation(s)
- Takuya Wakamatsu
- Division of Clinical Nephrology and Rheumatology, Niigata University Graduate School of Medical and Dental Sciences, Niigata, Japan
| | - Yoshiko Iwasaki
- Department of Health Sciences, Oita University of Nursing and Health Sciences, Oita, Japan
| | - Suguru Yamamoto
- Division of Clinical Nephrology and Rheumatology, Niigata University Graduate School of Medical and Dental Sciences, Niigata, Japan
| | - Koji Matsuo
- Division of Clinical Nephrology and Rheumatology, Niigata University Graduate School of Medical and Dental Sciences, Niigata, Japan
| | - Shin Goto
- Division of Clinical Nephrology and Rheumatology, Niigata University Graduate School of Medical and Dental Sciences, Niigata, Japan
| | - Ichiei Narita
- Division of Clinical Nephrology and Rheumatology, Niigata University Graduate School of Medical and Dental Sciences, Niigata, Japan
| | - Junichiro J Kazama
- Department of Nephrology and Hypertension, Fukushima Medical University, Fukushima, Japan
| | - Kennichi Tanaka
- Department of Nephrology and Hypertension, Fukushima Medical University, Fukushima, Japan
| | - Akemi Ito
- Ito Bone Histomorphometry Institute, Niigata, Japan
| | - Ryosuke Ozasa
- Division of Materials and Manufacturing Science, Graduate School of Engineering, Osaka University, Suita, Japan
| | - Takayoshi Nakano
- Division of Materials and Manufacturing Science, Graduate School of Engineering, Osaka University, Suita, Japan
| | - Chisato Miyakoshi
- Department of Healthcare Epidemiology, School of Public Health in the Graduate School of Medicine, Kyoto University, Kyoto, Japan.,Department of Pediatrics, Kobe City Medical Center General Hospital, Kobe, Japan.,Institute for Health Outcomes and Process Evaluation Research (iHope International), Kyoto, Japan
| | - Yoshihiro Onishi
- Department of Pediatrics, Kobe City Medical Center General Hospital, Kobe, Japan
| | - Shingo Fukuma
- Department of Healthcare Epidemiology, School of Public Health in the Graduate School of Medicine, Kyoto University, Kyoto, Japan.,The Keihanshin Consortium for Fostering the Next Generation of Global Leaders in Research (K-CONNEX), Kyoto, Japan
| | - Shunichi Fukuhara
- Department of Healthcare Epidemiology, School of Public Health in the Graduate School of Medicine, Kyoto University, Kyoto, Japan.,Institute for Health Outcomes and Process Evaluation Research (iHope International), Kyoto, Japan
| | - Hideyuki Yamato
- Division of Nephrology, Endocrinology, and Metabolism, Tokai University School of Medicine, Isehara, Japan
| | - Masafumi Fukagawa
- Division of Nephrology, Endocrinology, and Metabolism, Tokai University School of Medicine, Isehara, Japan
| | - Tadao Akizawa
- Division of Nephrology, Department of Medicine, Showa University School of Medicine, Tokyo, Japan
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Maeda A, Murakami M, Iwasaki R, Goto S, Kitagawa K, Sakai H, Mori T. Three-dimensional conformal radiation therapy for canine aortic body tumour: 6 cases (2014-2019). J Small Anim Pract 2020; 62:385-390. [PMID: 33300156 DOI: 10.1111/jsap.13241] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/19/2020] [Revised: 09/15/2020] [Accepted: 09/16/2020] [Indexed: 12/25/2022]
Abstract
OBJECTIVE To determine the feasibility of three-dimensional conformal radiation therapy for canine aortic body tumours. MATERIALS AND METHODS Medical records of dogs that had undergone three-dimensional conformal radiation therapy with presumptive diagnosis of aortic body tumour were reviewed for clinical characteristics, treatment modality and outcomes. RESULTS Eight dogs were diagnosed with aortic body tumour and were treated with three-dimensional conformal radiation therapy. One dog had proliferation of a mass in the right atrium during treatment and died of respiratory distress. Another dog did not undergo follow-up CT to evaluate the treatment response due to the increased blood urea nitrogen values. The remaining 6 dogs were included in the case series. Radiotherapy was performed using a median dose per fraction of 7 Gy (3.3-7.14 Gy), a median of seven divided doses (7-15) and a total median dose of 49 Gy (45-50 Gy). The median number of CT scans during the follow-up period was 5 (range: 3-8 times). CT revealed acute side effects in four dogs-grade 1 effects related to the lung (n = 4) and skin (n = 2). Self-limiting or asymptomatic late side effects (grade 1 lung-related effect) were observed in three dogs. After therapy, one dog demonstrated a complete response, another demonstrated a partial response and the disease remained stable in four animals. The median follow-up period was 514.5 (235-1219) days. After three-dimensional conformal radiation therapy, the aortic body tumour reduced gradually over time without regrowth in all these 6 dogs. CLINICAL SIGNIFICANCE In this small case series, aortic body tumours responded to three-dimensional conformal radiation therapy. Transient and self-limiting side effects of the treatments were common. Further controlled studies are required to prove the effectiveness and the safety of this intervention.
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Affiliation(s)
- A Maeda
- Department of Veterinary Medicine, Faculty of Applied Biological Sciences, Gifu University, Gifu, Japan
| | - M Murakami
- Laboratory of Veterinary Clinical Oncology, Department of Veterinary Medicine, Gifu University, Gifu5011193, Japan
| | - R Iwasaki
- Animal Medical Center, Gifu University, Gifu5011193, Japan
| | - S Goto
- Animal Medical Center, Gifu University, Gifu5011193, Japan
| | - K Kitagawa
- Department of Small Animal Clinical Science, College of Veterinary Medicine, Michigan State University, East Lansing, Michigan, 48824, USA
| | - H Sakai
- Laboratory of Veterinary Pathology, Department of Veterinary Medicine, Gifu University, Gifu, 5011193, Japan
| | - T Mori
- Laboratory of Veterinary Clinical Oncology, Department of Veterinary Medicine, Gifu University, Gifu5011193, Japan.,Center for Highly Advanced Integration of Nano and Life Sciences, Gifu University (G-CHAIN), Gifu, Japan
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Shinya Y, Hiraide T, Kataoka M, Momoi M, Goto S, Katsumata Y, Endo J, Sano M, Kosaki K, Fukuda K. A novel causative gene variant, TNFRSF13B p.Gly76Ser, in patients with pulmonary arterial hypertension. Eur Heart J 2020. [DOI: 10.1093/ehjci/ehaa946.2310] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 11/13/2022] Open
Abstract
Abstract
Background
Pulmonary artery hypertension (PAH) is a poor prognostic disease. Some causative genes were reported as the PAH-associated genes. However, the pathogenetic variants in PAH-associated genes have not been identified in majority of patients with idiopathic PAH.
Purpose
Our aim was to investigate the new causative gene variants associated with PAH.
Methods
We performed whole-exome sequencing in 272 patients with idiopathic/heritable PAH. Structural analysis simulation was performed to define how the candidate gene variant affected the structure of protein.
Results
We identified the heterozygous substitution change of c.226G>A (p.Gly76Ser, rs146436713) in tumor necrotic factor receptor superfamily 13B gene (TNFRSF13B) (NM_012452.2) in 6 (2.2%) patients with idiopathic/heritable PAH, although the allele frequency of this rare variant is 0% in Integrative Japanese Genome Variation Database (control population database). Two of the six cases were blood relatives, although they did not have the known causative gene variants of PAH. One of these two relatives died of right heart failure despite the combination medical therapy, and her pathological anatomy demonstrated intimal thickening and medial hypertrophy in the pulmonary arteries, formation of plexiform lesions (Heath-Edwards classification grade V). Time-lapse images from structural analysis simulation showed the instability of N-terminal in the protein, which regulates the vascular inflammation, synthesized from TNFRSF13B p.Gly76Ser variant (Figure), suggesting that p.Gly76Ser variant may be involved in the development of PAH via aberrant inflammation in pulmonary vessels.
Conclusions
TNFRSF13B p.Gly76Ser variant is a candidate of causative gene variant for PAH.
Structural analysis of proteins
Funding Acknowledgement
Type of funding source: None
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Affiliation(s)
- Y Shinya
- Keio University School of Medicine, Department of Cardiology, Tokyo, Japan
| | - T Hiraide
- Keio University School of Medicine, Department of Cardiology, Tokyo, Japan
| | - M Kataoka
- Keio University School of Medicine, Department of Cardiology, Tokyo, Japan
| | - M Momoi
- Keio University School of Medicine, Department of Cardiology, Tokyo, Japan
| | - S Goto
- Keio University School of Medicine, Department of Cardiology, Tokyo, Japan
| | - Y Katsumata
- Keio University School of Medicine, Department of Cardiology, Tokyo, Japan
| | - J Endo
- Keio University School of Medicine, Department of Cardiology, Tokyo, Japan
| | - M Sano
- Keio University School of Medicine, Department of Cardiology, Tokyo, Japan
| | - K Kosaki
- Keio University School of Medicine, Center for Medical Genetics, Tokyo, Japan
| | - K Fukuda
- Keio University School of Medicine, Department of Cardiology, Tokyo, Japan
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Camm C, Camm A, Virdone S, Bassand JP, Fitzmaurice D, Fox K, Goldhaber S, Goto S, Haas S, Turpie A, Verheugt F, Misselwitz F, Kayani G, Pieper K, Kakkar A. The effect of body mass index on clinical outcomes in patients with newly diagnosed atrial fibrillation in the GARFIELD-AF registry. Eur Heart J 2020. [DOI: 10.1093/ehjci/ehaa946.0490] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 11/13/2022] Open
Abstract
Abstract
Introduction
Higher body mass index (BMI) is associated with a higher risk of atrial fibrillation (AF). However, previous evidence has suggested an inverse association between BMI and risk of AF outcomes.
Purpose
To explore the association between BMI and outcomes in those with newly diagnosed AF in the GARFIELD-AF registry.
Methods
GARFIELD-AF is an international registry of consecutively recruited patients aged ≥18 years with newly diagnosed AF and ≥1 stroke risk factor. Data were collected prospectively on 52,080 patients. Participants with missing or extreme BMI values and those without two-year follow-up were excluded. Cox proportional hazard models were used to estimate the effect of BMI on the risk of outcomes. Models were adjusted for age, sex, ethnicity, smoking, alcohol, and ≥moderate chronic kidney disease. Where appropriate participants were divided into groups based on BMI. Restricted cubic splines were used to assess non-linear relationships.
Results
BMI and outcome data were available for 40,495 patients. Those with higher BMI were generally younger, and more likely to have pre-existing hypertension, diabetes, or vascular disease (Table). Underweight patients received anticoagulation less often than those in other groups (60.3% vs 67.9%, respectively). During follow-up, 2,801 participants (6.9%) died and 603 (1.5%) had new/worsening heart failure. Following adjustment for potential confounders, a U-shaped relationship was seen between BMI and all-cause mortality and new/worsening heart failure (Figure). For all-cause mortality, the lowest risk was at 30kg/m2. Below this level, there was an 8% higher risk of mortality (95% confidence interval (CI) 6 to 9%) per 1kg/m2 lower BMI. Above 30kg/m2, there was a 5% higher risk of mortality per 1kg/m2 higher BMI (95% CI 4 to 7%). For new/worsening heart failure, the lowest risk was at 25kg/m2. Above this level, 1kg/m2 higher BMI was associated with an 5% higher risk (95% CI 13 to 6%).
Conclusions
BMI was an important risk factor for both all-cause mortality and new/worsening heart failure in AF. Those at both extremes of BMI are at higher risk.
BMI and selected outcomes
Funding Acknowledgement
Type of funding source: Private company. Main funding source(s): The GARFIELD-AF registry is funded by an unrestricted research grant from Bayer AG.
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Affiliation(s)
- C.J.F Camm
- University of Oxford, Oxford, United Kingdom
| | - A.J Camm
- St George's University of London, Cardiology Clinical Academic Group Molecular & Clinical Sciences Research Institute,, London, United Kingdom
| | - S Virdone
- Thrombosis Research Institute, London, United Kingdom
| | - J.-P Bassand
- Thrombosis Research Institute, London, UK and University of Besançon, Besançon, France
| | | | - K.A.A Fox
- University of Edinburgh, Edinburgh, United Kingdom
| | - S.Z Goldhaber
- Brigham and Women'S Hospital, Harvard Medical School, Boston, United States of America
| | - S Goto
- Tokai University School of Medicine, Kanagawa, Japan
| | - S Haas
- Technical University of Munich, Formerly Department of Medicine, Munich, Germany
| | | | - F.W.A Verheugt
- Onze Lieve Vrouwe Gasthuis (OLVG), Amsterdam, Netherlands (The)
| | | | - G Kayani
- Thrombosis Research Institute, London, United Kingdom
| | - K.S Pieper
- Thrombosis Research Institute, London, United Kingdom
| | - A.K Kakkar
- Thrombosis Research Institute and University College London, London, United Kingdom
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Cools F, Johnson D, Pieper K, Camm A, Bassand JP, Fitzmaurice D, Fox K, Goldhaber S, Goto S, Haas S, Turpie A, Verheugt F, Misselwitz F, Kayani G, Kakkar A. Permanent discontinuation of different anticoagulants in patients with atrial fibrillation and the impact on clinical outcome: data from the GARFIELD-AF registry. Eur Heart J 2020. [DOI: 10.1093/ehjci/ehaa946.0639] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 11/13/2022] Open
Abstract
Abstract
Background
Non-Vitamin K Antagonists (NOAC) are replacing vitamin K Antagonists (VKA) as first line oral anticoagulant therapy (OAC) in patients with non-valvular atrial fibrillation (NVAF). Discontinuation of OAC might put patients at increased risk. It was anticipated that patients who were on NOAC would discontinue OAC less.
Purpose
We compare the rates and impact on outcome of the discontinuation of NOAC and VKA using data from the GARFIELD-AF registry.
Methods
Patients included in GARFIELD-AF, had a new diagnosis of NVAF and at least 1 stroke risk factor. In this analysis 26,299 patients (VKA: 13,012; NOAC: 13,287) that received OAC were included. Permanent discontinuation was defined as stopping OAC for at least 7 consecutive days (whether or not restarted during follow-up). Marginal structural Cox proportional hazards models estimated the effect of discontinuation on death, cardiovascular (CV) death, non-haemorrhagic stroke + systemic embolism (NHS+SE), myocardial infarction (MI), or combined endpoints. Adjustments were made for both baseline factors and time dependent variables.
Results
Of all patients, 15.6% discontinued OAC (VKA: 15.4%; NOAC: 15.8%) over a median follow-up of 181 days (IQR: 359). Most discontinued early (67.0% of patients on VKA and 47.1% of patients on NOAC ≤4 months). Significantly higher discontinuation risk was seen with worsening kidney function, coronary artery disease, history of bleeding (baseline factors), as well as with all types of bleeding (time dependent factors). Lower discontinuation rates were seen with history of stroke/TIA, hypertension, increasing age, permanent AF (all p<0.01).
Mean CHA2DS2-VASc score was 3 in all groups. Patients in both treatment arms who discontinued were at increased risk for death, NHS+SE, MI as well as combined endpoints of death/NHS+SE/MI, death/NHS+SE and a trend towards higher CV death (Figure 1). All interaction tests for the interaction of treatment and discontinuation had a p value >0.4. The association between discontinuation and outcomes did not change when a 30 day discontinuation window was used.
Conclusion
The rate of discontinuation in this study was 15.8% and comparable for VKA and NOAC over a 2-year follow-up. Discontinuation rates were the highest soon after the initiation of treatment. When VKA or NOAC was stopped for ≥7 consecutive days, the risk of NHS+SE, death, MI or any combined endpoints were significantly worse in both treatment arms. These data suggest that discontinuation of anticoagulant treatment with VKA or NOAC should be discouraged.
HR of patients who discontinued OAC
Funding Acknowledgement
Type of funding source: Private grant(s) and/or Sponsorship. Main funding source(s): The GARFIELD-AF registry is funded by an unrestricted research grant from Bayer AG.
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Affiliation(s)
- F Cools
- General Hospital Klina, Brasschaat, Belgium
| | - D Johnson
- North Carolina State University, Department of Statistics, Raleigh, United States of America
| | - K.S Pieper
- Thrombosis Research Institute, London, United Kingdom
| | - A.J Camm
- St. George's University of London, Cardiology Clinical Academic Group Molecular & Clinical Sciences Research Institute, London, United Kingdom
| | - J.-P Bassand
- Thrombosis Research Institute, London, UK and University of Besançon, Besançon, France
| | | | - K.A.A Fox
- University of Edinburgh, Edinburgh, United Kingdom
| | - S.Z Goldhaber
- Brigham and Women'S Hospital, Harvard Medical School, Boston, United States of America
| | - S Goto
- Tokai University School of Medicine, Kanagawa, Japan
| | - S Haas
- Technical University of Munich, Formerly Department of Medicine, Munich, Germany
| | | | - F.W.A Verheugt
- Onze Lieve Vrouwe Gasthuis (OLVG), Amsterdam, Netherlands (The)
| | | | - G Kayani
- Thrombosis Research Institute, London, United Kingdom
| | - A.K Kakkar
- Thrombosis Research Institute and University College London, London, UK, London, United Kingdom
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36
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Apenteng P, Fitzmaurice D, Virdone S, Camm A, Fox K, Bassand JP, Goldhaber S, Goto S, Haas S, Turpie A, Verheugt F, Misselwitz F, Kayani G, Pieper K, Kakkar A. Clinical outcomes of patients with newly diagnosed atrial fibrillation who refused anticoagulation: findings from the global GARFIELD-AF registry. Eur Heart J 2020. [DOI: 10.1093/ehjci/ehaa946.0517] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 11/14/2022] Open
Abstract
Abstract
Introduction
Atrial fibrillation (AF) remains a common cause of stroke and anticoagulation (AC) treatment reduces the risk of stroke. Reasons for patients with AF not receiving anticoagulation are generally attributed to the clinician decision, however in reality a proportion of patients refuse anticoagulation. The aim of our study was to investigate the clinical outcomes of patients with AF who refused anticoagulation.
Methods
The Global Anticoagulant Registry in the FIELD (GARFIELD-AF) was an international prospective observational study of patients ≥18 years with newly diagnosed AF and ≥1 investigator determined risk factor for stroke. We analysed two-year outcomes (unadjusted) of non-haemorrhagic stroke/systemic embolism (stroke/SE), major bleeding and all-cause mortality in patients at high risk of stroke (men with CHA2DS2VASc≥2 and women with CHA2DS2VASc≥3) who did not received anticoagulation due to patient refusal, patients at high risk of stroke who received anticoagulation, and patients who were not on anticoagulation due to reasons other than patient refusal.
Results
Out of 43,154 patients, 13,283 (30.8%) are at the higher risk of stroke and did not received anticoagulation at baseline. The reason for not receiving anticoagulation was unavailable for 38.7% (5146/13283); of the patients with a known reason for not receiving anticoagulation, 12.5% (1014/8137) refused anticoagulation. Overall the study participants had a mean (SD) age of 72.2 (9.9) years and 50% were female. The median (Q1; Q3) CHA2DS2VASc score was 3.0 (3.0; 5.0) in patients who refused anticoagulation and 4.0 (3.0; 4.0) in patients who received anticoagulation. The median (Q1; Q3) HAS-BLED score was 1.0 (1.0; 2.0) in both groups. Of the patients who received anticoagulants, 59.7% received VKA and 40.3% received non-VKA oral anticoagulants. 79.4% of patients who refused anticoagulation were on antiplatelets. At two-year follow up the rate of events per 100 person-years (AC refused vs AC received) were: stroke/SE 1.42 vs 0.95 (p=0.04), major bleeding 0.62 vs 1.20 (p=0.02), and all-cause mortality 2.28 vs 3.90 (p=0.0004) (Figure). The event rates in patients who were not on anticoagulation for reasons other than patient refusal were stroke/SE 1.56, major bleeding 0.91, and all-cause mortality 5.49.
Conclusion
In this global real-world prospective study of patients with newly diagnosed AF, patients who refused anticoagulation had a higher rate of stroke/SE but lower rates of all-cause mortality and major bleeding than patients who received anticoagulation. While patient refusal of anticoagulation is an acceptable outcome of shared decision-making, clinically it is a missed opportunity to prevent AF related stroke. Patients' beliefs about AF related stroke and anticoagulation need to be explored. The difference in all-cause mortality warrants further investigation; further analysis will include adjusted results.
Event rates at two years of follow-up
Funding Acknowledgement
Type of funding source: Private grant(s) and/or Sponsorship. Main funding source(s): The GARFIELD-AF registry is funded by an unrestricted research grant from Bayer AG.
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Affiliation(s)
- P Apenteng
- University of Warwick, Coventry, United Kingdom
| | | | - S Virdone
- Thrombosis Research Institute, London, United Kingdom
| | - A.J Camm
- St George's University of London, Cardiology Clinical Academic Group Molecular & Clinical Sciences Research Institute, London, United Kingdom
| | - K.A.A Fox
- University of Edinburgh, Edinburgh, United Kingdom
| | - J.-P Bassand
- Thrombosis Research Institute, London, UK and University of Besançon, Besançon, France
| | - S.Z Goldhaber
- Brigham and Women'S Hospital, Harvard Medical School, Boston, United States of America
| | - S Goto
- Tokai University School of Medicine, Kanagawa, Japan
| | - S Haas
- Technical University of Munich, Formerly Department of Medicine, Munich, Germany
| | | | - F.W.A Verheugt
- Onze Lieve Vrouwe Gasthuis (OLVG), Amsterdam, Netherlands (The)
| | | | - G Kayani
- Thrombosis Research Institute, London, United Kingdom
| | - K.S Pieper
- Thrombosis Research Institute, London, United Kingdom
| | - A.K Kakkar
- Thrombosis Research Institute and University College London, London, United Kingdom
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Camm A, Steffel J, Virdone S, Bassand JP, Fitzmaurice D, Fox K, Goldhaber S, Goto S, Haas S, Turpie A, Verheugt F, Misselwitz F, Kayani G, Pieper K, Kakkar A. Guideline-directed medical therapies for comorbidities among patients with atrial fibrillation: results from GARFIELD-AF. Eur Heart J 2020. [DOI: 10.1093/ehjci/ehaa946.0631] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 11/14/2022] Open
Abstract
Abstract
Introduction
The GARFIELD-AF registry is a prospective, multicentre, observational study of adults with recently diagnosed non-valvular atrial fibrillation (AF) and at least one risk factor for stroke. In GARFIELD-AF the absolute risk reduction of mortality associated with anticoagulation is far greater than the apparent absolute risk reduction in (ischemic) stroke. One potential explanation is improved treatment, with the use of comprehensive guideline-directed medical therapies (GDMT), in patients with AF receiving oral anticoagulant (OAC) therapy. The objectives were to identify the potential relationships between anticoagulation status, GDMT use and clinical outcomes.
Methods
Use of GDMT was determined on the basis of published European Society for Cardiology guidelines operative between 2010 and 2016. We explored the use of GDMT in patients enrolled in GARFIELD-AF (March 2010-Aug 2016) with CHA2DS2-VASc ≥2 and with one or more of five comorbidities–coronary artery disease, diabetes mellitus, heart failure, hypertension and peripheral vascular disease. Association between GDMT use and clinical outcomes events was evaluated with Cox-proportional hazards models. The models included stratification by all possible combinations of the five comorbidities used to define GDMT eligibility.
Results
The study population comprised of 39,946 patients who had one or more comorbidities (3238 [8.1%] received none of the GDMT, 17,398 [43.6%] received some, and 19,310 [48.3%] received all of the GDMT for which they were eligible). Patients on OAC tended to receive all the GDMTs more frequently compared to patients on no OAC (50.2% vs 44.8%, respectively).
Comprehensive GDMT was associated with a lower risk of all-cause mortality (HR: 0.89 [0.80–0.99]) and non-cardiovascular mortality (0.80 [0.68–0.95]) compared to inadequate or no GDMT but was not associated with a lower risk of stroke (HR: 1.04 (0.88–1.24)] (Figure). The effect of OAC was beneficial for mortality and stroke risk whether receiving comprehensive GDMT or not.
Conclusion
OAC therapy is associated with a lower risk of all-cause mortality, non-cardiovascular mortality and stroke/SE in comparison with no OAC, irrespective of GDMT use in patients with CHA2DS2-VASc ≥2. Although the use of GDMT is associated with a significant reduction in mortality, there is little evidence that this explains the decrease in mortality with the use of OAC.
GDMT use at two years of follow-up
Funding Acknowledgement
Type of funding source: Private grant(s) and/or Sponsorship. Main funding source(s): The GARFIELD-AF registry is funded by an unrestricted research grant from Bayer AG.
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Affiliation(s)
- A.J Camm
- St George's University of London, Cardiology Clinical Academic Group Molecular & Clinical Sciences Research Institute, London, United Kingdom
| | - J Steffel
- University Hospital Zurich, Zurich, Switzerland
| | - S Virdone
- Thrombosis Research Institute, London, United Kingdom
| | - J.-P Bassand
- Thrombosis Research Institute, London, UK and University of Besançon, Besançon, France
| | | | - K.A.A Fox
- University of Edinburgh, Edinburgh, United Kingdom
| | - S.Z Goldhaber
- Brigham and Women'S Hospital, Harvard Medical School, Boston, United States of America
| | - S Goto
- Tokai University School of Medicine, Kanagawa, Japan
| | - S Haas
- Technical University of Munich, Formerly Department of Medicine, Munich, Germany
| | | | - F.W.A Verheugt
- Onze Lieve Vrouwe Gasthuis (OLVG), Amsterdam, Netherlands (The)
| | | | - G Kayani
- Thrombosis Research Institute, London, United Kingdom
| | - K.S Pieper
- Thrombosis Research Institute, London, United Kingdom
| | - A.K Kakkar
- Thrombosis Research Institute and University College London, London, United Kingdom
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Watanabe H, Paxton RL, Tolerico MR, Nagalakshmi VK, Tanaka S, Okusa MD, Goto S, Narita I, Watanabe S, Sequeira-Lοpez MLS, Gomez RA. Expression of Acsm2, a kidney-specific gene, parallels the function and maturation of proximal tubular cells. Am J Physiol Renal Physiol 2020; 319:F603-F611. [PMID: 32830538 DOI: 10.1152/ajprenal.00348.2020] [Citation(s) in RCA: 9] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/20/2022] Open
Abstract
The acyl-CoA synthetase medium-chain family member 2 (Acsm2) gene was first identified and cloned by our group as a kidney-specific "KS" gene. However, its expression pattern and function remain to be clarified. In the present study, we found that the Acsm2 gene was expressed specifically and at a high level in normal adult kidneys. Expression of Acsm2 in kidneys followed a maturational pattern: it was low in newborn mice and increased with kidney development and maturation. In situ hybridization and immunohistochemistry revealed that Acsm2 was expressed specifically in proximal tubular cells of adult kidneys. Data from the Encyclopedia of DNA Elements database revealed that the Acsm2 gene locus in the mouse has specific histone modifications related to the active transcription of the gene exclusively in kidney cells. Following acute kidney injury, partial unilateral ureteral obstruction, and chronic kidney diseases, expression of Acsm2 in the proximal tubules was significantly decreased. In human samples, the expression pattern of ACSM2A, a homolog of mouse Acsm2, was similar to that in mice, and its expression decreased with several types of renal injuries. These results indicate that the expression of Acsm2 parallels the structural and functional maturation of proximal tubular cells. Downregulation of its expression in several models of kidney disease suggests that Acms2 may serve as a novel marker of proximal tubular injury and/or dysfunction.
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Affiliation(s)
- Hirofumi Watanabe
- Department of Pediatrics, Child Health Research Center, University of Virginia School of Medicine, Charlottesville, Virginia
| | - Robert L Paxton
- Department of Pediatrics, Child Health Research Center, University of Virginia School of Medicine, Charlottesville, Virginia
| | - Matthew R Tolerico
- Department of Biology, University of Virginia, Charlottesville, Virginia
| | - Vidya K Nagalakshmi
- Department of Pediatrics, Child Health Research Center, University of Virginia School of Medicine, Charlottesville, Virginia
| | - Shinji Tanaka
- Division of Nephrology and Center for Immunity, Inflammation, and Regenerative Medicine, University of Virginia, Charlottesville, Virginia
| | - Mark D Okusa
- Division of Nephrology and Center for Immunity, Inflammation, and Regenerative Medicine, University of Virginia, Charlottesville, Virginia
| | - Shin Goto
- Division of Clinical Nephrology and Rheumatology, Kidney Research Center, Niigata University Graduate School of Medical and Dental Sciences, Niigata, Japan
| | - Ichiei Narita
- Division of Clinical Nephrology and Rheumatology, Kidney Research Center, Niigata University Graduate School of Medical and Dental Sciences, Niigata, Japan
| | - Seiji Watanabe
- Department of Pediatrics, Izu Medical and Welfare Center, Shizuoka, Japan
| | - Maria Luisa S Sequeira-Lοpez
- Department of Pediatrics, Child Health Research Center, University of Virginia School of Medicine, Charlottesville, Virginia
| | - R Ariel Gomez
- Department of Pediatrics, Child Health Research Center, University of Virginia School of Medicine, Charlottesville, Virginia
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39
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Ito T, Yamamoto S, Yamaguchi K, Sato M, Kaneko Y, Goto S, Goto Y, Narita I. Inorganic polyphosphate potentiates lipopolysaccharide-induced macrophage inflammatory response. J Biol Chem 2020; 295:4014-4023. [PMID: 32041779 DOI: 10.1074/jbc.ra119.011763] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/03/2019] [Revised: 02/03/2020] [Indexed: 11/06/2022] Open
Abstract
Inorganic polyphosphate (polyP) is a linear polymer of orthophosphate units that are linked by phosphoanhydride bonds and is involved in various pathophysiological processes. However, the role of polyP in immune cell dysfunction is not well-understood. In this study, using several biochemical and cell biology approaches, including cytokine assays, immunofluorescence microscopy, receptor-binding assays with quartz crystal microbalance, and dynamic light scanning, we investigated the effect of polyP on in vitro lipopolysaccharide (LPS)-induced macrophage inflammatory response. PolyP up-regulated LPS-induced production of the inflammatory cytokines, such as tumor necrosis factor α, interleukin-1β, and interleukin-6, in macrophages, and the effect was polyP dose- and chain length-dependent. However, orthophosphate did not exhibit this effect. PolyP enhanced the LPS-induced intracellular macrophage inflammatory signals. Affinity analysis revealed that polyP interacts with LPS, inducing formation of small micelles, and the polyP-LPS complex enhanced the binding affinity of LPS to Toll-like receptor 4 (TLR4) on macrophages. These results suggest that inorganic polyP plays a critical role in promoting inflammatory response by enhancing the interaction between LPS and TLR4 in macrophages.
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Affiliation(s)
- Toru Ito
- Division of Clinical Nephrology and Rheumatology, Niigata University Graduate School of Medical and Dental Sciences, 1-757 Asahimachi-dori, Niigata 951-8510, Japan
| | - Suguru Yamamoto
- Division of Clinical Nephrology and Rheumatology, Niigata University Graduate School of Medical and Dental Sciences, 1-757 Asahimachi-dori, Niigata 951-8510, Japan
| | - Keiichi Yamaguchi
- Institute for Protein Research, Osaka University, Yamadaoka 3-2, Suita, Osaka 565-0871, Japan
| | - Mami Sato
- Division of Clinical Nephrology and Rheumatology, Niigata University Graduate School of Medical and Dental Sciences, 1-757 Asahimachi-dori, Niigata 951-8510, Japan
| | - Yoshikatsu Kaneko
- Division of Clinical Nephrology and Rheumatology, Niigata University Graduate School of Medical and Dental Sciences, 1-757 Asahimachi-dori, Niigata 951-8510, Japan
| | - Shin Goto
- Division of Clinical Nephrology and Rheumatology, Niigata University Graduate School of Medical and Dental Sciences, 1-757 Asahimachi-dori, Niigata 951-8510, Japan
| | - Yuji Goto
- Institute for Protein Research, Osaka University, Yamadaoka 3-2, Suita, Osaka 565-0871, Japan
| | - Ichiei Narita
- Division of Clinical Nephrology and Rheumatology, Niigata University Graduate School of Medical and Dental Sciences, 1-757 Asahimachi-dori, Niigata 951-8510, Japan
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Hiraide T, Kataoka M, Suzuki H, Aimi Y, Chiba T, Isobe S, Katsumata Y, Goto S, Kanekura K, Satoh T, Sano M, Gamou S, Kosaki K, Fukuda K. P6009Poor outcomes in pulmonary arterial hypertension as a member of RNF213-associated vascular diseases. Eur Heart J 2019. [DOI: 10.1093/eurheartj/ehz746.0729] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 11/14/2022] Open
Abstract
Abstract
Background
A variant of c.14429G>A (p.Arg4810Lys, rs112735431) in the ring finger protein 213 gene (RNF213; NM_001256071.2) has been recently identified as a risk allele for pulmonary arterial hypertension (PAH), suggesting that PAH can be added as a new member of RNF213-associated vascular diseases including Moyamoya disease and peripheral pulmonary stenosis.
Purpose
Our aim was to identify the clinical features and outcomes of PAH patients with RNF213 p.Arg4810Lys variant.
Methods
Whole-exome sequencing was performed in 139 idiopathic (or possibly heritable) PAH patients. Hemodynamics and prognosis were evaluated in the patients with RNF213 p.Arg4810Lys variant and the patients with bone morphogenic protein receptor type 2 (BMPR2) mutations.
Results
The RNF213 p.Arg4810Lys variant was identified in a heterozygous state in 11 patients (7.9%). Time-course changes in hemodynamics after combination therapy in the patients with the RNF213 p.Arg4810Lys variant were significantly poorer compared with those in BMPR2 mutation carriers (n=36) (comparison of changes in mean pulmonary arterial pressure, P=0.007). The event-free rate of death or lung transplantation was significantly poorer in RNF213 p.Arg4810Lys variant carriers than in BMPR2 mutation carriers (5-year event-free rate since the introduction of prostaglandin I2 infusion, 0% vs. 93%, P<0.001) (Figure).
Time to death or lung transplantation
Conclusions
PAH patients with the RNF213 p.Arg4810Lys variant were associated with a poor reactivity to vasodilator drugs and poor clinical outcomes even in the recent era. Earlier consideration of lung transplantation might be required for RNF213 p.Arg4810Lys variant carriers developing PAH. Documentation of the RNF213 p.Arg4810Lys variant, as well as already known pathogenic genes, can provide clinically relevant information for therapeutic strategies, leading to a personalized approach for the treatment of PAH.
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Affiliation(s)
- T Hiraide
- Keio University School of Medicine, Cardiology, Tokyo, Japan
| | - M Kataoka
- Keio University School of Medicine, Cardiology, Tokyo, Japan
| | - H Suzuki
- Keio University School of Medicine, Center for Medical Genetics, Tokyo, Japan
| | - Y Aimi
- Kyorin University School of Medicine, Division of Cardiology, Second Department of Internal Medicine, Tokyo, Japan
| | - T Chiba
- Kyorin University School of Medicine, Department of Pathology, Tokyo, Japan
| | - S Isobe
- Keio University School of Medicine, Cardiology, Tokyo, Japan
| | - Y Katsumata
- Keio University School of Medicine, Cardiology, Tokyo, Japan
| | - S Goto
- Keio University School of Medicine, Cardiology, Tokyo, Japan
| | - K Kanekura
- Tokyo Medical University, Department of Molecular Pathology, Tokyo, Japan
| | - T Satoh
- Kyorin University School of Medicine, Division of Cardiology, Second Department of Internal Medicine, Tokyo, Japan
| | - M Sano
- Keio University School of Medicine, Cardiology, Tokyo, Japan
| | - S Gamou
- Keio University School of Medicine, Cardiology, Tokyo, Japan
| | - K Kosaki
- Keio University School of Medicine, Center for Medical Genetics, Tokyo, Japan
| | - K Fukuda
- Keio University School of Medicine, Cardiology, Tokyo, Japan
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Kaneko Y, Cho T, Sato Y, Goto K, Yamamoto S, Goto S, Madaio MP, Narita I. Attenuated Macrophage Infiltration in Glomeruli of Aged Mice Resulting in Ameliorated Kidney Injury in Nephrotoxic Serum Nephritis. J Gerontol A Biol Sci Med Sci 2019; 73:1178-1186. [PMID: 29415117 DOI: 10.1093/gerona/gly019] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/24/2017] [Indexed: 11/13/2022] Open
Abstract
Senescent cells have deleterious effects on the tissue microenvironment through proinflammatory senescence-associated secretory phenotypes; meanwhile, the onset of glomerulonephritis is predominant in younger adults. To clarify the influence of aging on the onset and development of glomerulonephritis, we used a murine model of antibody-mediated nephritis. Sheep nephrotoxic serum was administered in C57BL/6J mice at 12 weeks (adult) or 18 months old (aged) after pre-immunization with sheep IgG. Depositions of sheep IgG and autologous mouse IgG along the glomerular basement membrane and the serum titer of anti-sheep IgG-specific mouse IgG were similar between adult and aged mice. However, kidney injury was depressed in aged mice, accompanied by reduced macrophage infiltration in the glomeruli. The mRNA expression of most chemokines involved in monocyte/macrophage chemotaxis was not different between adult and aged mice, but the cell surface expression of C-C chemokine receptor (CCR) 1 and CCR2 was down-regulated in the monocyte/macrophage lineage cells infiltrating the kidneys of aged nephritic mice. Furthermore, expression of all four isotypes of the Fcγ receptor (FcγR) was reduced in these cells. Both CCR and FcγR expression were down-regulated in monocyte/macrophage lineage cells, resulting in attenuated glomerular infiltration of these cells and impaired glomerular injury in aged mice.
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Affiliation(s)
- Yoshikatsu Kaneko
- Division of Clinical Nephrology and Rheumatology, Niigata University Graduate School of Medical and Dental Sciences, Japan
| | - Takamasa Cho
- Division of Clinical Nephrology and Rheumatology, Niigata University Graduate School of Medical and Dental Sciences, Japan
| | - Yuya Sato
- Division of Clinical Nephrology and Rheumatology, Niigata University Graduate School of Medical and Dental Sciences, Japan
| | - Kei Goto
- Division of Clinical Nephrology and Rheumatology, Niigata University Graduate School of Medical and Dental Sciences, Japan
| | - Suguru Yamamoto
- Division of Clinical Nephrology and Rheumatology, Niigata University Graduate School of Medical and Dental Sciences, Japan
| | - Shin Goto
- Division of Clinical Nephrology and Rheumatology, Niigata University Graduate School of Medical and Dental Sciences, Japan
| | - Michael P Madaio
- Department of Medicine, Medical College of Georgia, Augusta University
| | - Ichiei Narita
- Division of Clinical Nephrology and Rheumatology, Niigata University Graduate School of Medical and Dental Sciences, Japan
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KONO K, Fujii H, Watanabe K, Watanabe S, Yamada N, Goto K, Goto S, Nishi S. SAT-275 DIAGNOSTIC VALUE OF B-TYPE NATRIURETIC PEPTIDES FOR SEVERE LEFT VENTRICULAR DIASTOLIC DYSFUNCTION IN ADVANCED CHRONIC KIDNEY DISEASE. Kidney Int Rep 2019. [DOI: 10.1016/j.ekir.2019.05.312] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/30/2022] Open
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43
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Okamoto K, Fujii H, Goto S, Watanabe K, Kono K, Nishi S. SUN-272 Changes in whole PTH/intact PTH ratio in patients with chronic kidney disease. Kidney Int Rep 2019. [DOI: 10.1016/j.ekir.2019.05.777] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/26/2022] Open
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Yamamoto S, Ito T, Sato M, Goto S, Kazama J, Gejyo F, Narita I. Adsorption of Protein-Bound Uremic Toxins Using Activated Carbon through Direct Hemoperfusion in vitro. Blood Purif 2019; 48:215-222. [DOI: 10.1159/000500014] [Citation(s) in RCA: 15] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/31/2019] [Accepted: 03/29/2019] [Indexed: 11/19/2022]
Abstract
Background/Aims: Accumulation of protein-bound uremic toxins (PBUTs) is associated with mortality due to various systemic disorders in patients with chronic kidney disease (CKD), especially in those undergoing dialysis treatment. The clinical outcomes of such patients could be improved by removing sufficient amounts of PBUTs; however, conventional dialysis lacks this ability. We examined the efficacy of activated carbon in adsorbing circulating PBUTs through direct hemoperfusion (DHP) in vitro. Methods: An in vitro blood circulating system was constructed with 8.5 mL blood circulating around a column containing activated carbon (50, 100, or 200 mg). Bovine blood containing a kind of PBUT (at the same concentration as that found in the blood of dialysis patients) and blood from hemodialysis patients (n = 8) were used. After circulation for the designated amount of time, sera were collected and the levels of PBUTs, including indoxyl sulfate (IS), p-cresyl sulfate, indole acetic acid (IAA), phenyl sulfate, and hippuric acid, were analyzed with mass spectrometry. Results: Activated carbon decreased the PBUT level in bovine blood in a dose-dependent manner (e.g., reduction rate of IS: 67.9 ± 3.8, 83.3 ± 1.9, and 94.5 ± 1.1% after 60-min circulation in columns containing 50, 100, and 200 mg activated carbon respectively). IS, PCS, and IAA were dramatically adsorbed by activated carbon from the blood of patients undergoing hemodialysis (pre vs. post 240-min reaction: IS 2.835 ± 0.876 vs. 0.455 ± 0.108 mg/dL [p < 0.01], PCS 3.208 ± 2.876 vs. 0.768 ± 0.632 mg/dL [p < 0.01], IAA 0.082 ± 0.045 vs. 0.016 ± 0.005 mg/dL [p < 0.01]). Conclusion: Activated carbon effectively adsorbed blood PBUTs in vitro. DHP with activated carbon could be a promising strategy for removing circulating PBUTs from the blood of patients with CKD.
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Sudo M, Sakamaki Y, Hosojima M, Yamamoto S, Ito Y, Imai N, Kaneko Y, Goto S, Li CP, Shimizu A, Narita I. Cryofibrinogen-associated glomerulonephritis diagnosed by mass spectrometry and immunoelectron microscopy. Human Pathology: Case Reports 2019. [DOI: 10.1016/j.ehpc.2018.12.002] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/28/2022] Open
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46
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Edama M, Okuyama R, Goto S, Sasaki M. Influence of loading rate and limb position on patellar tendon mechanical properties in vivo. Clin Biomech (Bristol, Avon) 2019; 61:52-57. [PMID: 30471637 DOI: 10.1016/j.clinbiomech.2018.11.006] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 02/17/2018] [Revised: 11/04/2018] [Accepted: 11/09/2018] [Indexed: 02/07/2023]
Abstract
BACKGROUND The aims of this study were to clarify the changes of patellar tendon length during isometric knee joint extension and the double leg squat position using ultrasonography. METHODS The left legs of 17 healthy adults were investigated. Isometric knee extension motion was performed at three positions of knee flexion 30° (knee 30°), knee flexion 60° (knee 60°), knee flexion 90° (knee 90°), and at each limb position, 0% (0% peak torque (PT)), 40% (40% PT), 50% (50% PT), and 60% (60% PT) of the maximum knee joint extension torque were executed at random. Both double leg squat motions were randomly performed in three positions: hip flexion 30°, knee flexion 30°, ankle dorsiflexion 10° (squat 30°); hip joint flexion 60°, knee joint flexion 60°, ankle dorsiflexion 20° (squat 60°); and hip joint flexion 90°, knee joint flexion 90°, ankle dorsiflexion 30° (squat 90°). Ultrasonography was used to measure patellar tendon length. FINDINGS There were no significant changes in patellar tendon length and strain between knee flexion angles of 30°, 60°, and 90° in isometric knee joint extension and the double leg squat limb position. INTERPRETATION The loading rate and limb position do not appear to affect the length and strain of the patellar tendon.
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Affiliation(s)
- M Edama
- Institute for Human Movement and Medical Sciences, Niigata University of Health and Welfare, Shimami-cho 1398, Kita-ku, Niigata City 950-3198, Japan.
| | - R Okuyama
- Institute for Human Movement and Medical Sciences, Niigata University of Health and Welfare, Shimami-cho 1398, Kita-ku, Niigata City 950-3198, Japan
| | - S Goto
- Institute for Human Movement and Medical Sciences, Niigata University of Health and Welfare, Shimami-cho 1398, Kita-ku, Niigata City 950-3198, Japan
| | - M Sasaki
- Institute for Human Movement and Medical Sciences, Niigata University of Health and Welfare, Shimami-cho 1398, Kita-ku, Niigata City 950-3198, Japan
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47
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Harada S, Segawa T, Sato T, Ehara S, Sera K, Goto S. Imaging of Primary and Metastatic Tumors and Their Treatment through Abscopal Effects and Cancer Immunotherapy Using Encapsulated, Radiation Therapy Directed Antigen-Capturing Nanoparticles. Int J Radiat Oncol Biol Phys 2018. [DOI: 10.1016/j.ijrobp.2018.06.375] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/28/2022]
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48
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Camm AJ, Cools F, Virdone S, Bassand JP, Fitzmaurice DA, Fox KAA, Goldhaber SZ, Goto S, Haas S, Mantovani LG, Pieper K, Turpie AGG, Verheugt FWA, Kakkar AK. 1354The effect of non-recommended dosing of non-vitamin K antagonist oral anticoagulants (NOACs) on 1-year mortality in patients with newly diagnosed AF? Results from the GARFIELD-AF registry. Eur Heart J 2018. [DOI: 10.1093/eurheartj/ehy565.1354] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 11/13/2022] Open
Affiliation(s)
- A J Camm
- St. George's University of London and Imperial College, London, United Kingdom
| | - F Cools
- AZ KLINA Cardiology, Brasschaat, Belgium
| | - S Virdone
- Thrombosis Research Institute, London, United Kingdom
| | - J.-P Bassand
- Thrombosis Research Institute, London, UK and University of Besançon, Besançon, France
| | - D A Fitzmaurice
- University of Warwick Medical School, Coventry, United Kingdom
| | - K A A Fox
- University of Edinburgh, Edinburgh, United Kingdom
| | - S Z Goldhaber
- Brigham and Women's Hospital and Harvard Medical School, Boston, United States of America
| | - S Goto
- Tokai University School of Medicine, Kanagawa, Japan
| | - S Haas
- Formerly Department of Medicine, Technical University of Munich, Munich, Germany
| | | | - K Pieper
- Duke Clinical Research Institute, Durham, NC, USA & Thrombosis Research Institute, London, United Kingdom
| | | | - F W A Verheugt
- Onze Lieve Vrouwe Gasthuis (OLVG), Amsterdam, Netherlands
| | - A K Kakkar
- Thrombosis Research Institute and University College London, London, United Kingdom
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Lauri FM, Mejia-Renteria H, Lee JM, Van Der Hoeven N, De Waard G, Macaya F, Goto S, Liontou C, Koo BK, Van Royen N, Escaned J. P5511Improving the diagnostic accuracy of quantitative flow ratio (QFR): a proposal of QFR-fractional flow reserve (FFR) hybrid approach. Eur Heart J 2018. [DOI: 10.1093/eurheartj/ehy566.p5511] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 11/12/2022] Open
Affiliation(s)
- F M Lauri
- Hospital Clínico San Carlos, Instituto de Investigaciόn Sanitaria Hospital Clínico San Carlos (IdISSC), Madrid, Spain
| | - H Mejia-Renteria
- Hospital Clinic San Carlos, Interventional Cardiology Department, Madrid, Spain
| | - J M Lee
- Samsung Medical Center, Seoul, Korea Republic of
| | | | - G De Waard
- VU University Medical Center, Amsterdam, Netherlands
| | - F Macaya
- Hospital Clinic San Carlos, Interventional Cardiology Department, Madrid, Spain
| | - S Goto
- Hospital Clinic San Carlos, Interventional Cardiology Department, Madrid, Spain
| | - C Liontou
- Hospital Clinic San Carlos, Interventional Cardiology Department, Madrid, Spain
| | - B K Koo
- Seoul National University Hospital, Seoul, Korea Republic of
| | - N Van Royen
- VU University Medical Center, Amsterdam, Netherlands
| | - J Escaned
- Hospital Clinic San Carlos, Interventional Cardiology Department, Madrid, Spain
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50
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Fox KAA, Berchuck S, Camm AJ, Bassand JP, Fitzmaurice DA, Gersh BJ, Goldhaber SZ, Goto S, Haas S, Misselwitz F, Pieper K, Turpie AGG, Verheugt FWA, Kakkar AK. P2895Evaluation of the effect of oral anticoagulants on all-cause mortality within 3 months of the diagnosis of atrial fibrillation: results from the GARFIELD-AF prospective registry. Eur Heart J 2018. [DOI: 10.1093/eurheartj/ehy565.p2895] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 11/12/2022] Open
Affiliation(s)
- K A A Fox
- University of Edinburgh, Edinburgh, United Kingdom
| | - S Berchuck
- Duke Clinical Research Institute, Durham, United States of America
| | - A J Camm
- St. George's University of London and Imperial College, London, United Kingdom
| | - J.-P Bassand
- Thrombosis Research Institute, London, UK & University of Besançon, Besancon, France
| | - D A Fitzmaurice
- University of Warwick Medical School, Coventry, United Kingdom
| | - B J Gersh
- Mayo Clinic, Rochester, United States of America
| | - S Z Goldhaber
- Brigham and Women's Hospital and Harvard Medical School, Boston, United States of America
| | - S Goto
- Tokai University School of Medicine, Kanagawa, Japan
| | - S Haas
- Formerly Department of Medicine, Technical University of Munich, Munich, Germany
| | | | - K Pieper
- Duke Clinical Research Institute, Durham, NC, USA & Thrombosis Research Institute, London, United Kingdom
| | | | - F W A Verheugt
- Onze Lieve Vrouwe Gasthuis (OLVG), Amsterdam, Netherlands
| | - A K Kakkar
- Thrombosis Research Institute & University College London, London, United Kingdom
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