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Blasweiler A, Megens HJ, Goldman MRG, Tadmor-Levi R, Lighten J, Groenen MAM, Dirks RP, Jansen HJ, Spaink HP, David L, Boudinot P, Wiegertjes GF. Symmetric expression of ohnologs encoding conserved antiviral responses in tetraploid common carp suggest absence of subgenome dominance after whole genome duplication. Genomics 2023; 115:110723. [PMID: 37804957 DOI: 10.1016/j.ygeno.2023.110723] [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: 06/13/2023] [Revised: 08/22/2023] [Accepted: 09/25/2023] [Indexed: 10/09/2023]
Abstract
Allopolyploids often experience subgenome dominance, with one subgenome showing higher levels of gene expression and greater gene retention. Here, we address the functionality of both subgenomes of allotetraploid common carp (Cyprinus carpio) by analysing a functional network of interferon-stimulated genes (ISGs) crucial in anti-viral immune defence. As an indicator of subgenome dominance we investigated retainment of a core set of ohnologous ISGs. To facilitate our functional genomic analysis a high quality genome was assembled (WagV4.0). Transcriptome data from an in vitro experiment mimicking a viral infection was used to infer ISG expression. Transcriptome analysis confirmed induction of 88 ISG ohnologs on both subgenomes. In both control and infected states, average expression of ISG ohnologs was comparable between the two subgenomes. Also, the highest expressing and most inducible gene copies of an ohnolog pair could be derived from either subgenome. We found no strong evidence of subgenome dominance for common carp.
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Affiliation(s)
- A Blasweiler
- Aquaculture and Fisheries, Wageningen University, the Netherlands; Animal Breeding and Genomics, Wageningen University, the Netherlands.
| | - H-J Megens
- Animal Breeding and Genomics, Wageningen University, the Netherlands
| | - M R G Goldman
- Aquaculture and Fisheries, Wageningen University, the Netherlands
| | - R Tadmor-Levi
- Dept. of Animal Sciences, RH Smith Faculty of Agriculture Food and Environment, The Hebrew University of Jerusalem, Israel
| | - J Lighten
- Biosciences, University of Exeter, United Kingdom
| | - M A M Groenen
- Animal Breeding and Genomics, Wageningen University, the Netherlands
| | - R P Dirks
- Future Genomics Technologies B.V., the Netherlands
| | - H J Jansen
- Future Genomics Technologies B.V., the Netherlands
| | - H P Spaink
- Institute of Biology, Leiden University, Leiden, Netherlands
| | - L David
- Dept. of Animal Sciences, RH Smith Faculty of Agriculture Food and Environment, The Hebrew University of Jerusalem, Israel
| | - P Boudinot
- Université Paris-Saclay, INRAE, UVSQ, VIM, Jouy-en-Josas, 78350, France
| | - G F Wiegertjes
- Aquaculture and Fisheries, Wageningen University, the Netherlands
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Reguiai Z, Becherel PA, Fougerousse AC, Chaby G, Perrot JL, Begon E, Jacobzone-Lévêque C, Boulard C, Badaoui A, Poreaux C, David L, Quiles-Tsimaratos N, Lons-Danic D, Fite C, Liegeon AL, Patchinsky A, Parier J, Garcia C, Estève E, Mohty R, Mery-Bossard L, Maccari F. Janus kinase inhibitors for the treatment of atopic dermatitis: Real-life data on efficacy and safety in light of the Pharmacovigilance Risk Assessment Committee recommended measures. J Eur Acad Dermatol Venereol 2023; 37:e1307-e1309. [PMID: 37415328 DOI: 10.1111/jdv.19302] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/26/2023] [Accepted: 06/26/2023] [Indexed: 07/08/2023]
Affiliation(s)
- Z Reguiai
- Department of Dermatology, Polyclinique Courlancy, Reims-Bezannes, France
| | - P A Becherel
- Dermatology and Clinical Immunology Unit, Antony Hospital, Antony, France
| | - A C Fougerousse
- Department of Dermatology, Hôpital d'Instruction des Armées Begin, Saint Mandé, France
| | - G Chaby
- Department of Dermatology, CHU Amiens-Picardie, Amiens, France
| | - J L Perrot
- Department of Dermatology, CHU Saint Etienne, Saint Etienne, France
| | - E Begon
- Department of Dermatology, Centre Hospitalier René Dubos, Pontoise, France
| | | | - C Boulard
- Department of Dermatology, Centre Hospitalier Le Havre, Le Havre, France
| | | | - C Poreaux
- Centre de Dermatologie Stanislas, Clinique Pasteur, Nancy, France
| | - L David
- Department of Dermatology, Hopital Saint Joseph, Marseille, France
| | | | - D Lons-Danic
- Department of Dermatology, Hôpital Paris Saint Joseph, Paris, France
| | - C Fite
- Department of Dermatology, Hôpital Paris Saint Joseph, Paris, France
| | - A-L Liegeon
- Department of Dermatology, Centre Hospitalier Régional Metz-Thionville, Thionville, France
| | - A Patchinsky
- Department of Dermatology, Centre Hospitalier Régional Metz-Thionville, Thionville, France
| | - J Parier
- Centre de Santé Sabouraud, Hôpital Saint-Louis, Paris, France
- Cabinet Médical, Saint-Maur-des-Fossés, France
| | - C Garcia
- Department of Dermatology, Centre Hospitalier Emile Roux, Le Puy-en-Velay, France
| | - E Estève
- Department of Dermatology, Centre Hospitalier d'Orléans, Orléans, France
| | - R Mohty
- Cabinet Médical, Beauvais, France
| | - L Mery-Bossard
- Department of Dermatology, CHI Poissy Saint Germain, Saint-Germain-en-Laye, France
| | - F Maccari
- Department of Dermatology, Hôpital d'Instruction des Armées Begin, Saint Mandé, France
- Cabinet Médical, Saint-Maur-des-Fossés, France
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Cassandra R, Nachury M, Arnaud B, Xavier R, Laurent PB, Stephanie V, Mathurin F, David L, Bénédicte C, Marie D, Laurent S, Mathurin F, Guillaume B. Efficacy of ustekinumab, vedolizumab, or a second anti-TNF agent after the failure of a first anti-TNF agent in patients with Crohn's disease: a multicentre retrospective study. BMC Gastroenterol 2022; 22:498. [PMID: 36457080 PMCID: PMC9717550 DOI: 10.1186/s12876-022-02583-5] [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] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 06/05/2022] [Accepted: 11/15/2022] [Indexed: 12/05/2022] Open
Abstract
BACKGROUND No study has performed a face-to-face comparison of biologics after the failure of the first anti-TNF agent in patients with Crohn's disease (CD). The aim of the study was to compare the efficacy of biologics in this setting. METHODS Patients with CD who were refractory to a first anti-TNF agent, and treated with ustekinumab (UST), vedolizumab (VDZ), or a second anti-TNF drug as a second-line biological agent at 10 French tertiary centres from 2013 to 2019 were retrospectively included in this study. RESULTS Among the 203 patients included, 90 (44%) received UST, 42 (21%) received VDZ and 71 (35%) received a second anti-TNF agent. The first anti-TNF agent was discontinued due to a primary nonresponse in 42 (21%) patients. At weeks 14-24, the rates of steroid-free remission were similar between the UST, VDZ and second anti-TNF groups (29%, 38% and 44%, respectively, p = 0.15). With a mean follow-up of 118 weeks, drug survival was shorter for patients who received ustekinumab treatment (p = 0.001). In the case of trough level less than 5 µg/ml, patients treated with a second anti-TNF agent had a higher postinduction remission rate (p = 0.002), and drug survival (p = 0.0005). No other relevant factors were associated with treatment efficacy, including trough levels greater than 5 µg/ml. CONCLUSIONS VDZ, UST and a second anti-TNF agent exhibit similar efficacy in the short term, as second-biological line treatment in patients with CD who are refractory to a first anti-TNF agent, but shorter drug maintenance is observed for patients treated with UST.
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Affiliation(s)
- Rayer Cassandra
- grid.410368.80000 0001 2191 9284CHU Rennes, University Rennes, 35000 Rennes, France
| | - Maria Nachury
- grid.503422.20000 0001 2242 6780CHU Lille, University of Lille, Lille, France
| | | | - Roblin Xavier
- grid.412954.f0000 0004 1765 1491CHU Saint-Etienne, Saint- Étienne, France
| | - Peyrin-Biroulet Laurent
- grid.410527.50000 0004 1765 1301Inserm U954 Deparment of Hepato-Gastroenterology, Department of Gastroenterology, Nancy University Hospital, Vandœuvre-Lès-Nancy, France
| | | | | | - Laharie David
- grid.412041.20000 0001 2106 639XCHU de Bordeaux, Hôpital Haut-Lévêque, Service d’Hépato-Gastroentérologie Et Oncologie Digestive, Université de Bordeaux, 33000 Bordeaux, France
| | - Caron Bénédicte
- grid.410527.50000 0004 1765 1301Inserm U954 Deparment of Hepato-Gastroenterology, Department of Gastroenterology, Nancy University Hospital, Vandœuvre-Lès-Nancy, France
| | - Dewitte Marie
- grid.410368.80000 0001 2191 9284CHU Rennes, University Rennes, 35000 Rennes, France
| | - Siproudhis Laurent
- grid.410368.80000 0001 2191 9284CHU Rennes, University Rennes, INSERM, CIC1414, Institute NUMECAN (Nutrition Metabolism and Cancer), 35000 Rennes, France
| | - Fumery Mathurin
- grid.11162.350000 0001 0789 1385Service d’Hépato-Gastroentérologie Et Oncologie Digestive, CHU Amiens Et PeriTox, UMR I0-I, Université de Picardie, Amiens, France
| | - Bouguen Guillaume
- grid.410368.80000 0001 2191 9284CHU Rennes, University Rennes, INSERM, CIC1414, Institute NUMECAN (Nutrition Metabolism and Cancer), 35000 Rennes, France ,Service Des Maladies de L’Appareil Digestif, 2 Rue Henri Le Guillou, 35033 Rennes Cedex, France
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Diaz-Arriba D, Jardin T, Gourdain N, Pons F, David L. Experiments and numerical simulations on hovering three-dimensional flexible flapping wings. Bioinspir Biomim 2022; 17:065006. [PMID: 36055251 DOI: 10.1088/1748-3190/ac8f06] [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: 05/03/2022] [Accepted: 09/01/2022] [Indexed: 06/15/2023]
Abstract
In this paper, the applicability and accuracy of high-fidelity experimental and numerical approaches in the analysis of three-dimensional flapping (revolving and pitching) wings operating under hovering flight conditions, i.e. where unsteady and three-dimensional rotational effects are strong, are assessed. Numerical simulations are then used to explore the role of mass and frequency ratios on aerodynamic performance, wing dynamics and flow physics. It is shown that time-averaged lift increases with frequency ratio, up to a certain limit that depends on mass ratio and beyond which upward wing bending and flexibility induced phase lag between revolving an pitching motions at stroke reversal become strong and contribute to phases of negative lift that counterbalances the initial lift increase. This wing dynamics, which is dominated by spanwise bending, also affects wing-wake interactions and, in turn, leading edge vortex formation.
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Affiliation(s)
- D Diaz-Arriba
- ISAE-Supaero, Université de Toulouse, France
- Institut Pprime, UPR 3346, CNRS-Université de Poitiers-ENSMA, Poitiers, France
| | - T Jardin
- ISAE-Supaero, Université de Toulouse, France
| | - N Gourdain
- ISAE-Supaero, Université de Toulouse, France
| | - F Pons
- Institut Pprime, UPR 3346, CNRS-Université de Poitiers-ENSMA, Poitiers, France
| | - L David
- Institut Pprime, UPR 3346, CNRS-Université de Poitiers-ENSMA, Poitiers, France
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5
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Demarez B, Eté M, David L, Quiles N, Archier E. Macrophage activation syndrome associated with BRAF and MEK inhibitors during adjuvant treatment of melanoma. J Eur Acad Dermatol Venereol 2022; 36:e688-e689. [DOI: 10.1111/jdv.18130] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/29/2021] [Revised: 02/22/2022] [Accepted: 03/25/2022] [Indexed: 11/28/2022]
Affiliation(s)
- B Demarez
- Dermatologie Hopital Saint Joseph France
| | - M Eté
- Medecine interne Hopital Saint Joseph France
| | - L David
- Dermatologie Hopital Saint Joseph France
| | - N Quiles
- Dermatologie Hopital Saint Joseph France
| | - E Archier
- Dermatologie Hopital Saint Joseph France
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6
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Wymant C, Bezemer D, Blanquart F, Ferretti L, Gall A, Hall M, Golubchik T, Bakker M, Ong SH, Zhao L, Bonsall D, de Cesare M, MacIntyre-Cockett G, Abeler-Dörner L, Albert J, Bannert N, Fellay J, Grabowski MK, Gunsenheimer-Bartmeyer B, Günthard HF, Kivelä P, Kouyos RD, Laeyendecker O, Meyer L, Porter K, Ristola M, van Sighem A, Berkhout B, Kellam P, Cornelissen M, Reiss P, Fraser C, Aubert V, Battegay M, Bernasconi E, Böni J, Braun DL, Bucher HC, Burton-Jeangros C, Calmy A, Cavassini M, Dollenmaier G, Egger M, Elzi L, Fehr J, Fellay J, Furrer H, Fux CA, Gorgievski M, Günthard H, Haerry D, Hasse B, Hirsch HH, Hoffmann M, Hösli I, Kahlert C, Kaiser L, Keiser O, Klimkait T, Kouyos R, Kovari H, Ledergerber B, Martinetti G, de Tejada BM, Marzolini C, Metzner K, Müller N, Nadal D, Nicca D, Pantaleo G, Rauch A, Regenass S, Rudin C, Schöni-Affolter F, Schmid P, Speck R, Stöckle M, Tarr P, Trkola A, Vernazza P, Weber R, Yerly S, van der Valk M, Geerlings SE, Goorhuis A, Hovius JW, Lempkes B, Nellen FJB, van der Poll T, Prins JM, Reiss P, van Vugt M, Wiersinga WJ, Wit FWMN, van Duinen M, van Eden J, Hazenberg A, van Hes AMH, Rajamanoharan S, Robinson T, Taylor B, Brewer C, Mayr C, Schmidt W, Speidel A, Strohbach F, Arastéh K, Cordes C, Pijnappel FJJ, Stündel M, Claus J, Baumgarten A, Carganico A, Ingiliz P, Dupke S, Freiwald M, Rausch M, Moll A, Schleehauf D, Smalhout SY, Hintsche B, Klausen G, Jessen H, Jessen A, Köppe S, Kreckel P, Schranz D, Fischer K, Schulbin H, Speer M, Weijsenfeld AM, Glaunsinger T, Wicke T, Bieniek B, Hillenbrand H, Schlote F, Lauenroth-Mai E, Schuler C, Schürmann D, Wesselmann H, Brockmeyer N, Jurriaans S, Gehring P, Schmalöer D, Hower M, Spornraft-Ragaller P, Häussinger D, Reuter S, Esser S, Markus R, Kreft B, Berzow D, Back NKT, Christl A, Meyer A, Plettenberg A, Stoehr A, Graefe K, Lorenzen T, Adam A, Schewe K, Weitner L, Fenske S, Zaaijer HL, Hansen S, Stellbrink HJ, Wiemer D, Hertling S, Schmidt R, Arbter P, Claus B, Galle P, Jäger H, Jä Gel-Guedes E, Berkhout B, Postel N, Fröschl M, Spinner C, Bogner J, Salzberger B, Schölmerich J, Audebert F, Marquardt T, Schaffert A, Schnaitmann E, Cornelissen MTE, Trein A, Frietsch B, Müller M, Ulmer A, Detering-Hübner B, Kern P, Schubert F, Dehn G, Schreiber M, Güler C, Schinkel CJ, Gunsenheimer-Bartmeyer B, Schmidt D, Meixenberger K, Bannert N, Wolthers KC, Peters EJG, van Agtmael MA, Autar RS, Bomers M, Sigaloff KCE, Heitmuller M, Laan LM, Ang CW, van Houdt R, Jonges M, Kuijpers TW, Pajkrt D, Scherpbier HJ, de Boer C, van der Plas A, van den Berge M, Stegeman A, Baas S, Hage de Looff L, Buiting A, Reuwer A, Veenemans J, Wintermans B, Pronk MJH, Ammerlaan HSM, van den Bersselaar DNJ, de Munnik ES, Deiman B, Jansz AR, Scharnhorst V, Tjhie J, Wegdam MCA, van Eeden A, Nellen J, Brokking W, Elsenburg LJM, Nobel H, van Kasteren MEE, Berrevoets MAH, Brouwer AE, Adams A, van Erve R, de Kruijf-van de Wiel BAFM, Keelan-Phaf S, van de Ven B, van der Ven B, Buiting AGM, Murck JL, de Vries-Sluijs TEMS, Bax HI, van Gorp ECM, de Jong-Peltenburg NC, de Mendonç A Melo M, van Nood E, Nouwen JL, Rijnders BJA, Rokx C, Schurink CAM, Slobbe L, Verbon A, Bassant N, van Beek JEA, Vriesde M, van Zonneveld LM, de Groot J, Boucher CAB, Koopmans MPG, van Kampen JJA, Fraaij PLA, van Rossum AMC, Vermont CL, van der Knaap LC, Visser E, Branger J, Douma RA, Cents-Bosma AS, Duijf-van de Ven CJHM, Schippers EF, van Nieuwkoop C, van Ijperen JM, Geilings J, van der Hut G, van Burgel ND, Leyten EMS, Gelinck LBS, Mollema F, Davids-Veldhuis S, Tearno C, Wildenbeest GS, Heikens E, Groeneveld PHP, Bouwhuis JW, Lammers AJJ, Kraan S, van Hulzen AGW, Kruiper MSM, van der Bliek GL, Bor PCJ, Debast SB, Wagenvoort GHJ, Kroon FP, de Boer MGJ, Jolink H, Lambregts MMC, Roukens AHE, Scheper H, Dorama W, van Holten N, Claas ECJ, Wessels E, den Hollander JG, El Moussaoui R, Pogany K, Brouwer CJ, Smit JV, Struik-Kalkman D, van Niekerk T, Pontesilli O, Lowe SH, Oude Lashof AML, Posthouwer D, van Wolfswinkel ME, Ackens RP, Burgers K, Schippers J, Weijenberg-Maes B, van Loo IHM, Havenith TRA, van Vonderen MGA, Kampschreur LM, Faber S, Steeman-Bouma R, Al Moujahid A, Kootstra GJ, Delsing CE, van der Burg-van de Plas M, Scheiberlich L, Kortmann W, van Twillert G, Renckens R, Ruiter-Pronk D, van Truijen-Oud FA, Cohen Stuart JWT, Jansen ER, Hoogewerf M, Rozemeijer W, van der Reijden WA, Sinnige JC, Brinkman K, van den Berk GEL, Blok WL, Lettinga KD, de Regt M, Schouten WEM, Stalenhoef JE, Veenstra J, Vrouenraets SME, Blaauw H, Geerders GF, Kleene MJ, Kok M, Knapen M, van der Meché IB, Mulder-Seeleman E, Toonen AJM, Wijnands S, Wttewaal E, Kwa D, van Crevel R, van Aerde K, Dofferhoff ASM, Henriet SSV, Ter Hofstede HJM, Hoogerwerf J, Keuter M, Richel O, Albers M, Grintjes-Huisman KJT, de Haan M, Marneef M, Strik-Albers R, Rahamat-Langendoen J, Stelma FF, Burger D, Gisolf EH, Hassing RJ, Claassen M, Ter Beest G, van Bentum PHM, Langebeek N, Tiemessen R, Swanink CMA, van Lelyveld SFL, Soetekouw R, van der Prijt LMM, van der Swaluw J, Bermon N, van der Reijden WA, Jansen R, Herpers BL, Veenendaal D, Verhagen DWM, Lauw FN, van Broekhuizen MC, van Wijk M, Bierman WFW, Bakker M, Kleinnijenhuis J, Kloeze E, Middel A, Postma DF, Schölvinck EH, Stienstra Y, Verhage AR, Wouthuyzen-Bakker M, Boonstra A, de Groot-de Jonge H, van der Meulen PA, de Weerd DA, Niesters HGM, van Leer-Buter CC, Knoester M, Hoepelman AIM, Arends JE, Barth RE, Bruns AHW, Ellerbroek PM, Mudrikova T, Oosterheert JJ, Schadd EM, van Welzen BJ, Aarsman K, Griffioen-van Santen BMG, de Kroon I, van Berkel M, van Rooijen CSAM, Schuurman R, Verduyn-Lunel F, Wensing AMJ, Bont LJ, Geelen SPM, Loeffen YGT, Wolfs TFW, Nauta N, Rooijakkers EOW, Holtsema H, Voigt R, van de Wetering D, Alberto A, van der Meer I, Rosingh A, Halaby T, Zaheri S, Boyd AC, Bezemer DO, van Sighem AI, Smit C, Hillebregt M, de Jong A, Woudstra T, Bergsma D, Meijering R, van de Sande L, Rutkens T, van der Vliet S, de Groot L, van den Akker M, Bakker Y, El Berkaoui A, Bezemer M, Brétin N, Djoechro E, Groters M, Kruijne E, Lelivelt KJ, Lodewijk C, Lucas E, Munjishvili L, Paling F, Peeck B, Ree C, Regtop R, Ruijs Y, Schoorl M, Schnörr P, Scheigrond A, Tuijn E, Veenenberg L, Visser KM, Witte EC, Ruijs Y, Van Frankenhuijsen M, Allegre T, Makhloufi D, Livrozet JM, Chiarello P, Godinot M, Brunel-Dalmas F, Gibert S, Trepo C, Peyramond D, Miailhes P, Koffi J, Thoirain V, Brochier C, Baudry T, Pailhes S, Lafeuillade A, Philip G, Hittinger G, Assi A, Lambry V, Rosenthal E, Naqvi A, Dunais B, Cua E, Pradier C, Durant J, Joulie A, Quinsat D, Tempesta S, Ravaux I, Martin IP, Faucher O, Cloarec N, Champagne H, Pichancourt G, Morlat P, Pistone T, Bonnet F, Mercie P, Faure I, Hessamfar M, Malvy D, Lacoste D, Pertusa MC, Vandenhende MA, Bernard N, Paccalin F, Martell C, Roger-Schmelz J, Receveur MC, Duffau P, Dondia D, Ribeiro E, Caltado S, Neau D, Dupont M, Dutronc H, Dauchy F, Cazanave C, Vareil MO, Wirth G, Le Puil S, Pellegrin JL, Raymond I, Viallard JF, Chaigne de Lalande S, Garipuy D, Delobel P, Obadia M, Cuzin L, Alvarez M, Biezunski N, Porte L, Massip P, Debard A, Balsarin F, Lagarrigue M, Prevoteau du Clary F, Aquilina C, Reynes J, Baillat V, Merle C, Lemoing V, Atoui N, Makinson A, Jacquet JM, Psomas C, Tramoni C, Aumaitre H, Saada M, Medus M, Malet M, Eden A, Neuville S, Ferreyra M, Sotto A, Barbuat C, Rouanet I, Leureillard D, Mauboussin JM, Lechiche C, Donsesco R, Cabie A, Abel S, Pierre-Francois S, Batala AS, Cerland C, Rangom C, Theresine N, Hoen B, Lamaury I, Fabre I, Schepers K, Curlier E, Ouissa R, Gaud C, Ricaud C, Rodet R, Wartel G, Sautron C, Beck-Wirth G, Michel C, Beck C, Halna JM, Kowalczyk J, Benomar M, Drobacheff-Thiebaut C, Chirouze C, Faucher JF, Parcelier F, Foltzer A, Haffner-Mauvais C, Hustache Mathieu M, Proust A, Piroth L, Chavanet P, Duong M, Buisson M, Waldner A, Mahy S, Gohier S, Croisier D, May T, Delestan M, Andre M, Zadeh MM, Martinot M, Rosolen B, Pachart A, Martha B, Jeunet N, Rey D, Cheneau C, Partisani M, Priester M, Bernard-Henry C, Batard ML, Fischer P, Berger JL, Kmiec I, Robineau O, Huleux T, Ajana F, Alcaraz I, Allienne C, Baclet V, Meybeck A, Valette M, Viget N, Aissi E, Biekre R, Cornavin P, Merrien D, Seghezzi JC, Machado M, Diab G, Raffi F, Bonnet B, Allavena C, Grossi O, Reliquet V, Billaud E, Brunet C, Bouchez S, Morineau-Le Houssine P, Sauser F, Boutoille D, Besnier M, Hue H, Hall N, Brosseau D, Souala F, Michelet C, Tattevin P, Arvieux C, Revest M, Leroy H, Chapplain JM, Dupont M, Fily F, Patra-Delo S, Lefeuvre C, Bernard L, Bastides F, Nau P, Verdon R, de la Blanchardiere A, Martin A, Feret P, Geffray L, Daniel C, Rohan J, Fialaire P, Chennebault JM, Rabier V, Abgueguen P, Rehaiem S, Luycx O, Niault M, Moreau P, Poinsignon Y, Goussef M, Mouton-Rioux V, Houlbert D, Alvarez-Huve S, Barbe F, Haret S, Perre P, Leantez-Nainville S, Esnault JL, Guimard T, Suaud I, Girard JJ, Simonet V, Debab Y, Schmit JL, Jacomet C, Weinberck P, Genet C, Pinet P, Ducroix S, Durox H, Denes É, Abraham B, Gourdon F, Antoniotti O, Molina JM, Ferret S, Lascoux-Combe C, Lafaurie M, Colin de Verdiere N, Ponscarme D, De Castro N, Aslan A, Rozenbaum W, Pintado C, Clavel F, Taulera O, Gatey C, Munier AL, Gazaigne S, Penot P, Conort G, Lerolle N, Leplatois A, Balausine S, Delgado J, Timsit J, Tabet M, Gerard L, Girard PM, Picard O, Tredup J, Bollens D, Valin N, Campa P, Bottero J, Lefebvre B, Tourneur M, Fonquernie L, Wemmert C, Lagneau JL, Yazdanpanah Y, Phung B, Pinto A, Vallois D, Cabras O, Louni F, Pialoux G, Lyavanc T, Berrebi V, Chas J, Lenagat S, Rami A, Diemer M, Parrinello M, Depond A, Salmon D, Guillevin L, Tahi T, Belarbi L, Loulergue P, Zak Dit Zbar O, Launay O, Silbermann B, Leport C, Alagna L, Pietri MP, Simon A, Bonmarchand M, Amirat N, Pichon F, Kirstetter M, Katlama C, Valantin MA, Tubiana R, Caby F, Schneider L, Ktorza N, Calin R, Merlet A, Ben Abdallah S, Weiss L, Buisson M, Batisse D, Karmochine M, Pavie J, Minozzi C, Jayle D, Castel P, Derouineau J, Kousignan P, Eliazevitch M, Pierre I, Collias L, Viard JP, Gilquin J, Sobel A, Slama L, Ghosn J, Hadacek B, Thu-Huyn N, Nait-Ighil L, Cros A, Maignan A, Duvivier C, Consigny PH, Lanternier F, Shoai-Tehrani M, Touam F, Jerbi S, Bodard L, Jung C, Goujard C, Quertainmont Y, Duracinsky M, Segeral O, Blanc A, Peretti D, Cheret A, Chantalat C, Dulucq MJ, Levy Y, Lelievre JD, Lascaux AS, Dumont C, Boue F, Chambrin V, Abgrall S, Kansau I, Raho-Moussa M, De Truchis P, Dinh A, Davido B, Marigot D, Berthe H, Devidas A, Chevojon P, Chabrol A, Agher N, Lemercier Y, Chaix F, Turpault I, Bouchaud O, Honore P, Rouveix E, Reimann E, Belan AG, Godin Collet C, Souak S, Mortier E, Bloch M, Simonpoli AM, Manceron V, Cahitte I, Hiraux E, Lafon E, Cordonnier F, Zeng AF, Zucman D, Majerholc C, Bornarel D, Uludag A, Gellen-Dautremer J, Lefort A, Bazin C, Daneluzzi V, Gerbe J, Jeantils V, Coupard M, Patey O, Bantsimba J, Delllion S, Paz PC, Cazenave B, Richier L, Garrait V, Delacroix I, Elharrar B, Vittecoq D, Bolliot C, Lepretre A, Genet P, Masse V, Perrone V, Boussard JL, Chardon P, Froguel E, Simon P, Tassi S, Avettand Fenoel V, Barin F, Bourgeois C, Cardon F, Chaix ML, Delfraissy JF, Essat A, Fischer H, Lecuroux C, Meyer L, Petrov-Sanchez V, Rouzioux C, Saez-Cirion A, Seng R, Kuldanek K, Mullaney S, Young C, Zucchetti A, Bevan MA, McKernan S, Wandolo E, Richardson C, Youssef E, Green P, Faulkner S, Faville R, Herman S, Care C, Blackman H, Bellenger K, Fairbrother K, Phillips A, Babiker A, Delpech V, Fidler S, Clarke M, Fox J, Gilson R, Goldberg D, Hawkins D, Johnson A, Johnson M, McLean K, Nastouli E, Post F, Kennedy N, Pritchard J, Andrady U, Rajda N, Donnelly C, McKernan S, Drake S, Gilleran G, White D, Ross J, Harding J, Faville R, Sweeney J, Flegg P, Toomer S, Wilding H, Woodward R, Dean G, Richardson C, Perry N, Gompels M, Jennings L, Bansaal D, Browing M, Connolly L, Stanley B, Estreich S, Magdy A, O'Mahony C, Fraser P, Jebakumar SPR, David L, Mette R, Summerfield H, Evans M, White C, Robertson R, Lean C, Morris S, Winter A, Faulkner S, Goorney B, Howard L, Fairley I, Stemp C, Short L, Gomez M, Young F, Roberts M, Green S, Sivakumar K, Minton J, Siminoni A, Calderwood J, Greenhough D, DeSouza C, Muthern L, Orkin C, Murphy S, Truvedi M, McLean K, Hawkins D, Higgs C, Moyes A, Antonucci S, McCormack S, Lynn W, Bevan M, Fox J, Teague A, Anderson J, Mguni S, Post F, Campbell L, Mazhude C, Russell H, Gilson R, Carrick G, Ainsworth J, Waters A, Byrne P, Johnson M, Fidler S, Kuldanek K, Mullaney S, Lawlor V, Melville R, Sukthankar A, Thorpe S, Murphy C, Wilkins E, Ahmad S, Green P, Tayal S, Ong E, Meaden J, Riddell L, Loay D, Peacock K, Blackman H, Harindra V, Saeed AM, Allen S, Natarajan U, Williams O, Lacey H, Care C, Bowman C, Herman S, Devendra SV, Wither J, Bridgwood A, Singh G, Bushby S, Kellock D, Young S, Rooney G, Snart B, Currie J, Fitzgerald M, Arumainayyagam J, Chandramani S. A highly virulent variant of HIV-1 circulating in the Netherlands. Science 2022; 375:540-545. [PMID: 35113714 DOI: 10.1126/science.abk1688] [Citation(s) in RCA: 30] [Impact Index Per Article: 15.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/11/2022]
Abstract
We discovered a highly virulent variant of subtype-B HIV-1 in the Netherlands. One hundred nine individuals with this variant had a 0.54 to 0.74 log10 increase (i.e., a ~3.5-fold to 5.5-fold increase) in viral load compared with, and exhibited CD4 cell decline twice as fast as, 6604 individuals with other subtype-B strains. Without treatment, advanced HIV-CD4 cell counts below 350 cells per cubic millimeter, with long-term clinical consequences-is expected to be reached, on average, 9 months after diagnosis for individuals in their thirties with this variant. Age, sex, suspected mode of transmission, and place of birth for the aforementioned 109 individuals were typical for HIV-positive people in the Netherlands, which suggests that the increased virulence is attributable to the viral strain. Genetic sequence analysis suggests that this variant arose in the 1990s from de novo mutation, not recombination, with increased transmissibility and an unfamiliar molecular mechanism of virulence.
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Affiliation(s)
- Chris Wymant
- Big Data Institute, Li Ka Shing Centre for Health Information and Discovery, Nuffield Department of Medicine, University of Oxford, Oxford, UK
| | | | - François Blanquart
- Centre for Interdisciplinary Research in Biology (CIRB), Collège de France, CNRS, INSERM, PSL Research University, Paris, France.,IAME, UMR 1137, INSERM, Université de Paris, Paris, France
| | - Luca Ferretti
- Big Data Institute, Li Ka Shing Centre for Health Information and Discovery, Nuffield Department of Medicine, University of Oxford, Oxford, UK
| | - Astrid Gall
- European Molecular Biology Laboratory, European Bioinformatics Institute, Wellcome Genome Campus, Hinxton, Cambridge, UK
| | - Matthew Hall
- Big Data Institute, Li Ka Shing Centre for Health Information and Discovery, Nuffield Department of Medicine, University of Oxford, Oxford, UK
| | - Tanya Golubchik
- Big Data Institute, Li Ka Shing Centre for Health Information and Discovery, Nuffield Department of Medicine, University of Oxford, Oxford, UK
| | - Margreet Bakker
- Laboratory of Experimental Virology, Department of Medical Microbiology and Infection Prevention, Amsterdam University Medical Centers, University of Amsterdam, Amsterdam, Netherlands
| | - Swee Hoe Ong
- Wellcome Sanger Institute, Wellcome Genome Campus, Cambridge, UK
| | - Lele Zhao
- Big Data Institute, Li Ka Shing Centre for Health Information and Discovery, Nuffield Department of Medicine, University of Oxford, Oxford, UK
| | - David Bonsall
- Big Data Institute, Li Ka Shing Centre for Health Information and Discovery, Nuffield Department of Medicine, University of Oxford, Oxford, UK.,Wellcome Centre for Human Genetics, Nuffield Department of Medicine, University of Oxford, Oxford, UK
| | - Mariateresa de Cesare
- Wellcome Centre for Human Genetics, Nuffield Department of Medicine, University of Oxford, Oxford, UK
| | - George MacIntyre-Cockett
- Big Data Institute, Li Ka Shing Centre for Health Information and Discovery, Nuffield Department of Medicine, University of Oxford, Oxford, UK.,Wellcome Centre for Human Genetics, Nuffield Department of Medicine, University of Oxford, Oxford, UK
| | - Lucie Abeler-Dörner
- Big Data Institute, Li Ka Shing Centre for Health Information and Discovery, Nuffield Department of Medicine, University of Oxford, Oxford, UK
| | - Jan Albert
- Department of Microbiology, Tumor and Cell Biology, Karolinska Institutet, Stockholm, Sweden.,Department of Clinical Microbiology, Karolinska University Hospital, Stockholm, Sweden
| | - Norbert Bannert
- Division for HIV and Other Retroviruses, Department of Infectious Diseases, Robert Koch Institute, Berlin, Germany
| | - Jacques Fellay
- School of Life Sciences, Ecole Polytechnique Fédérale de Lausanne, Lausanne, Switzerland.,Swiss Institute of Bioinformatics, Lausanne, Switzerland.,Precision Medicine Unit, Lausanne University Hospital and University of Lausanne, Lausanne, Switzerland
| | - M Kate Grabowski
- Department of Pathology, John Hopkins University, Baltimore, MD, USA
| | | | - Huldrych F Günthard
- Division of Infectious Diseases and Hospital Epidemiology, University Hospital Zurich, Zurich, Switzerland.,Institute of Medical Virology, University of Zurich, Zurich, Switzerland
| | - Pia Kivelä
- Department of Infectious Diseases, Helsinki University Hospital, Helsinki, Finland
| | - Roger D Kouyos
- Division of Infectious Diseases and Hospital Epidemiology, University Hospital Zurich, Zurich, Switzerland.,Institute of Medical Virology, University of Zurich, Zurich, Switzerland
| | | | - Laurence Meyer
- INSERM CESP U1018, Université Paris Saclay, APHP, Service de Santé Publique, Hôpital de Bicêtre, Le Kremlin-Bicêtre, France
| | - Kholoud Porter
- Institute for Global Health, University College London, London, UK
| | - Matti Ristola
- Department of Infectious Diseases, Helsinki University Hospital, Helsinki, Finland
| | | | - Ben Berkhout
- Laboratory of Experimental Virology, Department of Medical Microbiology and Infection Prevention, Amsterdam University Medical Centers, University of Amsterdam, Amsterdam, Netherlands
| | - Paul Kellam
- Kymab Ltd., Cambridge, UK.,Department of Infectious Diseases, Faculty of Medicine, Imperial College London, London, UK
| | - Marion Cornelissen
- Laboratory of Experimental Virology, Department of Medical Microbiology and Infection Prevention, Amsterdam University Medical Centers, University of Amsterdam, Amsterdam, Netherlands.,Molecular Diagnostic Unit, Department of Medical Microbiology and Infection Prevention, Amsterdam University Medical Centers, University of Amsterdam, Amsterdam, Netherlands
| | - Peter Reiss
- Stichting HIV Monitoring, Amsterdam, Netherlands.,Department of Global Health, Amsterdam University Medical Centers, University of Amsterdam and Amsterdam Institute for Global Health and Development, Amsterdam, Netherlands
| | - Christophe Fraser
- Big Data Institute, Li Ka Shing Centre for Health Information and Discovery, Nuffield Department of Medicine, University of Oxford, Oxford, UK.,Wellcome Centre for Human Genetics, Nuffield Department of Medicine, University of Oxford, Oxford, UK
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7
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Tiboc Schnell CN, Filip GA, Decea N, Moldovan R, Opris R, Man SC, Moldovan B, David L, Tabaran F, Olteanu D, Gheldiu AM, Baldea I. The impact of Sambucus nigra L. extract on inflammation, oxidative stress and tissue remodeling in a rat model of lipopolysaccharide-induced subacute rhinosinusitis. Inflammopharmacology 2021; 29:753-769. [PMID: 33881685 DOI: 10.1007/s10787-021-00805-y] [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] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/05/2021] [Accepted: 03/22/2021] [Indexed: 12/14/2022]
Abstract
Rhinosinusitis is a common disorder related to inflammation of paranasal sinuses and nasal cavity mucosa. Herbal medicines could be an option in the treatment of rhinosinusitis due to their anti-inflammatory and anti-oxidative properties. The study aims to investigate the effect of intranasal Sambucus nigra L. subsp. nigra (SN) extract against inflammation, oxidative stress, and tissue remodeling in nasal and sinus mucosa, but also in serum, lungs, and brain, in Wistar rat model of subacute sinonasal inflammation induced by local administration of lipopolysaccharides (LPS), from Escherichia Coli. The cytokines (TNF-α, IL-1β, IL-6) and oxidative stress (malondialdehyde) in nasal mucosa, blood, lungs, and brain were analyzed. In addition, a histopathological examination was performed, and NF-kB, MMP2, MMP9, TIMP1 expressions were also evaluated in nasal mucosa. Both doses of LPS increased the production of cytokines in all the investigated tissues, especially in the nasal mucosa and blood (p < 0.01 and p < 0.05), and stimulated their secretion in the lungs, and partially in the brain. Malondialdehyde increased in all the investigated tissues (p < 0.01 and p < 0.05). In parallel, upregulation of NF-kB and MMP2 expressions with downregulation of TIMP1, particularly at high dose of LPS, was observed. SN extract reduced the local inflammatory response, maintained low levels of IL-6, TNF-α, and IL-1β. In lungs, SN reduced all cytokines levels while in the brain, the protective effect was noticed only on IL-6. Additionally, SN diminished lipid peroxidation and downregulated NF-kB in animals exposed to a low dose of LPS, with increased TIMP1 expression, while in animals treated with a high dose of LPS, SN increased NF-kB, MMP2, and MMP9 levels. In conclusion, SN extract diminished the inflammatory response, reduced generation of reactive oxygen species (ROS) and, influenced MMPs expressions, suggesting the benficial effect of SN extract on tissue remodeling in subacute rhinosinusitis and on systemic inflammatory response.
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Affiliation(s)
- C N Tiboc Schnell
- Department of Pediatrics, "Iuliu Hatieganu" University of Medicine and Pharmacy, 400006, Cluj-Napoca, Romania
| | - Gabriela Adriana Filip
- Department of Physiology, "Iuliu Hatieganu" University of Medicine and Pharmacy, Clinicilor Street, No. 1-3, 400006, Cluj-Napoca, Romania.
| | - N Decea
- Department of Physiology, "Iuliu Hatieganu" University of Medicine and Pharmacy, Clinicilor Street, No. 1-3, 400006, Cluj-Napoca, Romania
| | - R Moldovan
- Department of Physiology, "Iuliu Hatieganu" University of Medicine and Pharmacy, Clinicilor Street, No. 1-3, 400006, Cluj-Napoca, Romania
| | - R Opris
- Department of Physiology, "Iuliu Hatieganu" University of Medicine and Pharmacy, Clinicilor Street, No. 1-3, 400006, Cluj-Napoca, Romania
| | - S C Man
- Department of Pediatrics, "Iuliu Hatieganu" University of Medicine and Pharmacy, 400006, Cluj-Napoca, Romania
| | - B Moldovan
- Faculty of Chemistry and Chemical Engineering, "Babes-Bolyai" University, 400028, Cluj-Napoca, Romania
| | - L David
- Faculty of Chemistry and Chemical Engineering, "Babes-Bolyai" University, 400028, Cluj-Napoca, Romania
| | - F Tabaran
- Department of Pathology, University of Agricultural Sciences and Veterinary Medicine, 400035, Cluj-Napoca, Romania
| | - D Olteanu
- Department of Physiology, "Iuliu Hatieganu" University of Medicine and Pharmacy, Clinicilor Street, No. 1-3, 400006, Cluj-Napoca, Romania
| | - A M Gheldiu
- Department of Pharmaceutical Botany, Faculty of Pharmacy, Iuliu Hatieganu University of Medicine and Pharmacy, 400337, Cluj-Napoca, Romania
| | - I Baldea
- Department of Physiology, "Iuliu Hatieganu" University of Medicine and Pharmacy, Clinicilor Street, No. 1-3, 400006, Cluj-Napoca, Romania
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8
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Roberts L, White D, David L, Vadher B, Stoner N. The development and testing of a novel Cognitive Behavioural Therapy (CBT)-based intervention to support medicines-related consultations for healthcare professionals. International Journal of Pharmacy Practice 2021. [DOI: 10.1093/ijpp/riab016.002] [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]
Abstract
Abstract
Introduction
The cost to healthcare of wasted medicines has been estimated at around £300million per annum (1). In response to this figure and efforts to increase medicines management performance across pharmacy and patient outcomes, the practice of ‘medicines optimisation’ has developed into a key aspect of patient care. In particular, concerns exist around whether patients are deriving the optimum benefit from their medications and the extent to which adherence ‘drops off’ at varying intervals after prescription and collection.
In order to tackle medicines adherence and waste, a multi-disciplinary approach must be applied to ensure patients who are prescribed a new medicine take it as intended, experience no problems and receive as much information as they feel they need from healthcare professionals (HCP’s). Adapting Cognitive Behavioural Therapy (CBT)-based techniques to medicines-related consultations has proven effective in supporting medicines adherence in previous studies (2). Collectively, findings demonstrate scope for improving the way HCP’s communicate with patients around starting a new medication and monitoring ongoing use.
Aim
The study aim was to adapt an existing, Royal College of General Practitioners accredited ’10-minute CBT’ training package to be suitable for wider use by a range of healthcare professionals (HCP’s) (i.e. Practice Nurses, Community Pharmacists, Hospital Pharmacists and General Practitioners).
Methods
The research design adopted a repeated-measures, pre/ post questionnaire study that gathered data on HCP knowledge around the use of CBT-based techniques in consultations at the start and end of the training intervention. Two training days were attended by HCP’s that took place three weeks apart. The degree of satisfaction with the training intervention was assessed, along with a formulation exercise that was completed on a hypothetical patient case study pre- and post-training.
Results
Training of healthcare professionals took place at the Oxford Science Park and 105 NHS staff members participated. Feedback questionnaires were received by 96 HCP’s and 46 HCP’s provided additional follow-up questionnaires at 6-months, demonstrating favourable results regarding intervention content and delivery that were consistent with a prior feasibility study. Paired samples t-tests were performed on each formulation exercise rating scale domain and for total scores. There was a highly statistically significant increase in scores for all domains including total pre- and post-training scores as measured by the Formulation Rating Scale. Intra-class Correlation Coefficient for mean FRS ratings was 0.99 (p=.000) and there was no statistically significant change in any score when attendees repeated the skills assessment at 6 months, indicating once learning had been incorporated into practice, there was no recognisable training degradation over the 6-month period. See Table 1.
Conclusion
The training intervention was rated favourably by attendees and was reported by participants as providing a safe environment from which to increase knowledge of CBT-based techniques, practice implementation of formulation skills and access additional peer support to help integrate learning into medicines-related consultations. The study also demonstrates this group of HCP’s were able to integrate CBT-based techniques into hypothetical medicines-related scenarios and that learning was retained over a six-month period following training intervention.
References
1. York Health Economics Consortium and the School of Pharmacy, University of London. Evaluation of the Scale, Causes and Costs of Waste Medicines. 2010. http://php.york.ac.uk/inst/yhec/web/news/documents/Evaluation_of_NHS_Medicines_Waste_Nov_2010.pdf
2. Easthall C, Song F, Bhattacharya D. A meta-analysis of cognitive-based behaviour change techniques as interventions to improve medication Adherence. BMJ Open 2013;3:e002749.
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Affiliation(s)
- L Roberts
- Oxford University Hospitals NHS Foundation Trust, Department of Pharmacy, John Radcliffe Hospital, Old Road, Headington, OX3 9DU
| | - D White
- Oxford Health NHS Foundation Trust, Pharmacy Department, Warneford Hospital, Warneford Lane, Oxford OX3 7JX
| | | | - B Vadher
- Oxford University Hospitals NHS Foundation Trust, Department of Pharmacy, John Radcliffe Hospital, Old Road, Headington, OX3 9DU
| | - N Stoner
- Oxford University Hospitals NHS Foundation Trust, Department of Pharmacy, John Radcliffe Hospital, Old Road, Headington, OX3 9DU
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9
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Howlett N, Bottoms L, Chater A, Clark AB, Clarke T, David L, Irvine K, Jones A, Jones J, Mengoni SE, Murdoch J, Pond M, Sharma S, Sims EJ, Turner DA, Wellsted D, Wilson J, Wyatt S, Trivedi D. A randomised controlled trial of energetic activity for depression in young people (READY): a multi-site feasibility trial protocol. Pilot Feasibility Stud 2021; 7:6. [PMID: 33390189 PMCID: PMC7779325 DOI: 10.1186/s40814-020-00734-7] [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] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/03/2020] [Accepted: 11/24/2020] [Indexed: 12/14/2022] Open
Abstract
BACKGROUND Prevalence of depression is increasing in young people, and there is a need to develop and evaluate behavioural interventions which may provide benefits equal to or greater than talking therapies or pharmacological alternatives. Exercise could be beneficial for young people living with depression, but robust, large-scale trials of effectiveness and the impact of exercise intensity are lacking. This study aims to test whether a randomised controlled trial (RCT) of an intervention targeting young people living with depression is feasible by determining whether it is possible to recruit and retain young people, develop and deliver the intervention as planned, and evaluate training and delivery. METHODS The design is a three-arm cluster randomised controlled feasibility trial with embedded process evaluation. Participants will be help-seeking young people, aged 13-17 years experiencing mild to moderate low mood or depression, referred from three counties in England. The intervention will be delivered by registered exercise professionals, supported by mental health support workers, twice a week for 12 weeks. The three arms will be high-intensity exercise, low-intensity exercise, and a social activity control. All arms will receive a 'healthy living' behaviour change session prior to each exercise session and the two exercise groups are energy matched. The outcomes are referral, recruitment, and retention rates; attendance at exercise sessions; adherence to and ability to reach intensity during exercise sessions; proportions of missing data; adverse events, all measured at baseline, 3, and 6 months; resource use; and reach and representativeness. DISCUSSION UK National Health Service (NHS) policy is to provide young people with advice about using exercise to help depression but there is no evidence-based exercise intervention to either complement or as an alternative to medication or talking therapies. UK National Institute for Health and Care Excellence (NICE) guidelines suggest that exercise can be an effective treatment, but the evidence base is relatively weak. This feasibility trial will provide evidence about whether it is feasible to recruit and retain young people to a full RCT to assess the effectiveness and cost-effectiveness of an exercise intervention for depression. TRIAL REGISTRATION ISRCTN, ISRCTN66452702 . Registered 9 April 2020.
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Affiliation(s)
- N. Howlett
- Department of Psychology, Sport, and Geography, University of Hertfordshire, College Lane, Hatfield, Herts AL10 9AB UK
| | - L. Bottoms
- Department of Psychology, Sport, and Geography, University of Hertfordshire, College Lane, Hatfield, Herts AL10 9AB UK
| | - A. Chater
- Institute for Sport and Physical Activity Research (ISPAR), School of Sport Science and Physical Activity, Faculty of Health, Education, Sport and Social Science, University of Bedfordshire, Polhill Avenue, Bedford, MK41 9EA UK
| | - A. B. Clark
- Norwich Clinical Trials Unit, University of East Anglia, Norwich, Norfolk NR4 7TR UK
| | - T. Clarke
- Norfolk and Suffolk NHS Foundation Trust, Hellesdon Hospital, Drayton High Road, Norwich, NR6 5BE UK
- Norwich Medical School, University of East Anglia, Norwich, Norfolk NR4 7TJ UK
| | - L. David
- Centre for Health Services and Clinical Research, University of Hertfordshire, College Lane, Hatfield, Herts AL10 9AB UK
| | - K. Irvine
- Department of Psychology, Sport, and Geography, University of Hertfordshire, College Lane, Hatfield, Herts AL10 9AB UK
| | - A. Jones
- Norwich Medical School, University of East Anglia, Norwich, Norfolk NR4 7TJ UK
| | - J. Jones
- Centre for Research in Public Health and Community Care, University of Hertfordshire, College Lane, Hatfield, Herts AL10 9AB UK
| | - S. E. Mengoni
- Department of Psychology, Sport, and Geography, University of Hertfordshire, College Lane, Hatfield, Herts AL10 9AB UK
- Centre for Health Services and Clinical Research, University of Hertfordshire, College Lane, Hatfield, Herts AL10 9AB UK
| | - J. Murdoch
- Norwich Clinical Trials Unit, University of East Anglia, Norwich, Norfolk NR4 7TR UK
| | - M. Pond
- Norwich Clinical Trials Unit, University of East Anglia, Norwich, Norfolk NR4 7TR UK
| | - S. Sharma
- Department of Psychology, Sport, and Geography, University of Hertfordshire, College Lane, Hatfield, Herts AL10 9AB UK
| | - E. J. Sims
- Norwich Clinical Trials Unit, University of East Anglia, Norwich, Norfolk NR4 7TR UK
| | - D. A. Turner
- Norwich Medical School, University of East Anglia, Norwich, Norfolk NR4 7TJ UK
| | - D. Wellsted
- Centre for Health Services and Clinical Research, University of Hertfordshire, College Lane, Hatfield, Herts AL10 9AB UK
| | - J. Wilson
- Norfolk and Suffolk NHS Foundation Trust, Hellesdon Hospital, Drayton High Road, Norwich, NR6 5BE UK
- Norwich Medical School, University of East Anglia, Norwich, Norfolk NR4 7TJ UK
| | - S. Wyatt
- Centre for Health Services and Clinical Research, University of Hertfordshire, College Lane, Hatfield, Herts AL10 9AB UK
| | - D. Trivedi
- Centre for Research in Public Health and Community Care, University of Hertfordshire, College Lane, Hatfield, Herts AL10 9AB UK
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Huang YL, Liang CY, Ritz D, Coelho R, Septiadi D, Estermann M, Rimmer N, Vlajnic T, David L, Rothen-Rutishauser B, Jacob F, Heinzelmann-Schwarz V. Integrin α2-collagen interaction promotes ovarian cancer metastasis. Geburtshilfe Frauenheilkd 2020. [DOI: 10.1055/s-0040-1718145] [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] [Subscribe] [Scholar Register] [Indexed: 10/23/2022] Open
Affiliation(s)
- Y.-L Huang
- Universitätsspital Basel, Department of Biomedicine
| | - C.-Y Liang
- Universitätsspital Basel, Department of Biomedicine
| | - D Ritz
- Universität Basel, Biozentrum
| | - R Coelho
- University of Porto, Institute of Molecular Pathology and Immunology of the University of Porto
| | - D Septiadi
- University of Fribourg, Adolphe Merkle Institute
| | - M Estermann
- University of Fribourg, Adolphe Merkle Institute
| | - N Rimmer
- Universitätsspital Basel, Department of Biomedicine
| | - T Vlajnic
- Universitätsspital Basel, Institute of Pathology
| | - L David
- University of Porto, Institute of Molecular Pathology and Immunology of the University of Porto
| | | | - F Jacob
- Universitätsspital Basel, Department of Biomedicine
| | - V Heinzelmann-Schwarz
- Universitätsspital Basel, Department of Biomedicine
- Universitätsspital Basel, Gynecological Cancer Center
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11
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Renard E, Amiaud J, Delbos L, Charrier C, Montembault A, Ducret M, Farges JC, David L, Alliot-Licht B, Gaudin A. Dental pulp inflammatory/immune response to a chitosan-enriched fibrin hydrogel in the pulpotomised rat incisor. Eur Cell Mater 2020; 40:74-87. [PMID: 32818290 DOI: 10.22203/ecm.v040a05] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.0] [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: 01/31/2023] Open
Abstract
Current pulpotomy is limited in its ability to induce regeneration of the dental-pulp (DP) complex. Hydrogels are reported to be well-suited for tissue engineering and are unlikely to induce an inflammatory response that might damage the remaining tissue. The present study investigated the molecular and cellular actors in the early inflammatory/immune response and deciphered M1/M2 macrophage polarisation to a chitosan-enriched fibrin hydrogel in pulpotomised rat incisors. Both fibrin and fibrin-chitosan hydrogels induced a strong increase in interleukin-6 (IL-6) transcript in the DP when compared to the DP of untreated teeth. Gene expression of other inflammatory mediators was not significantly modified after 3 h. In the viable DP cell population, the percentage of leukocytes assessed by flow cytometry was similar to fibrin and fibrin-chitosan hydrogels after 1 d. In this leukocyte population, the proportion of granulocytes increased beneath both hydrogels whereas the antigen-presenting cell, myeloid dendritic cells, T cells and B cells decreased. The natural killer (NK) cell population was significantly decreased only in DPs from teeth treated with fibrin-chitosan hydrogel. Immunolabeling analysis of the DP/hydrogel interface showed accumulation of neutrophil granulocytes in contact with both hydrogels 1 d after treatment. The DP close to this granulocyte area contained M2 but no M1 macrophages. These data collectively demonstrated that fibrin-chitosan hydrogels induced an inflammatory/immune response similar to that of the fibrin hydrogel. The results confirmed the potential clinical use of fibrin-chitosan hydrogel as a new scaffold for vital-pulp therapies.
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Affiliation(s)
| | | | | | | | | | | | | | | | | | - A Gaudin
- Department of Endodontics, University of Nantes,
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12
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Domsa EM, Filip GA, Olteanu D, Baldea I, Clichici S, Muresan A, David L, Moldovan B, Para I, Suciu M, Achim M, Negrean V, Andreica V. Gold nanoparticles phytoreduced with Cornus mas extract mitigate some of gliadin effects on Caco-2 cells. J Physiol Pharmacol 2020; 71. [PMID: 32633238 DOI: 10.26402/jpp.2020.2.04] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Subscribe] [Scholar Register] [Received: 10/28/2019] [Accepted: 04/28/2020] [Indexed: 11/03/2022]
Abstract
Celiac disease (CD) is an autoimmune condition that occurs in genetically predisposed people where the ingestion of gluten produces damage in the small intestine. The treatment accepted until now is a strict gluten free diet. This implies the need for novel or adjuvant treatments, in addition to the standard of care. The present study aimed to assess the effect of gold nanoparticles phytosynthesized with Cornus mas extract (AuCM) compared to Cornus mas extract (CM) and luteolin (LT) on Caco-2 cells, exposed or not to gliadin. Ultraviolet-visible spectroscopy and transmission electron microscopy were used for the characterization of AuCM. Measured cellular outcomes included oxidative stress markers (malondialdehyde level, catalase and superoxide dismutase activities), inflammatory response and cellular signaling and transcription factors involved in apoptosis (NFκB, pNFκB, NOS2, TNF-α, TRAIL, Bax, Bcl-2, p53). The internalization of gold nanoparticles in cells was evidenced by transmission electron microscopy (TEM). The gliadin administration induced oxidative stress, improved the activity of antioxidants enzymes, increased NOS2 and NFκB expressions and reduced pNFκB/NFκB ratio. In addition, gliadin enhanced TRAIL and Bcl-2 levels and reduced p53 expression in Caco-2 cells. The pretreatment with AuCM, CM extract and LT diminished oxidative stress and reduced NOS2 activity. AuCM and CM treatment amplified the expression of p53 and pNFκB/NFκB ratio and diminished Bcl-2, NFκB and pNFκB, especially AuCM. The results obtained confirmed that AuCM mitigate some of gliadin effects on Caco-2 cells through modulation of oxidative stress and inflammation.
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Affiliation(s)
- E M Domsa
- Fourth Medical Clinic, Fifth Department of Internal Medicine, "Iuliu Hatieganu" University of Medicine and Pharmacy, Cluj-Napoca, Romania
| | - G A Filip
- Physiology Department, "Iuliu Hatieganu" University of Medicine and Pharmacy, Cluj-Napoca, Romania.
| | - D Olteanu
- Physiology Department, "Iuliu Hatieganu" University of Medicine and Pharmacy, Cluj-Napoca, Romania
| | - I Baldea
- Physiology Department, "Iuliu Hatieganu" University of Medicine and Pharmacy, Cluj-Napoca, Romania
| | - S Clichici
- Physiology Department, "Iuliu Hatieganu" University of Medicine and Pharmacy, Cluj-Napoca, Romania
| | - A Muresan
- Physiology Department, "Iuliu Hatieganu" University of Medicine and Pharmacy, Cluj-Napoca, Romania
| | - L David
- Faculty of Chemistry and Chemical Engineering, Babes-Bolyai University, Cluj-Napoca, Romania
| | - B Moldovan
- Faculty of Chemistry and Chemical Engineering, Babes-Bolyai University, Cluj-Napoca, Romania
| | - I Para
- Fourth Medical Clinic, Fifth Department of Internal Medicine, "Iuliu Hatieganu" University of Medicine and Pharmacy, Cluj-Napoca, Romania
| | - M Suciu
- National Institute for Research and Development of Isotopic and Molecular Technologies, Cluj-Napoca, Romania.,Molecular Biology and Biotechnologies Department, Biology and Geology Faculty, Babes-Bolyai University, Cluj-Napoca, Romania
| | - M Achim
- Department of Pharmaceutical Technology and Biopharmaceutics, "Iuliu Hatieganu" University of Medicine and Pharmacy, Cluj-Napoca, Romania
| | - V Negrean
- Fourth Medical Clinic, Fifth Department of Internal Medicine, "Iuliu Hatieganu" University of Medicine and Pharmacy, Cluj-Napoca, Romania
| | - V Andreica
- Department of Gastroenterology and Hepatology, Regional Institute of Gastroenterology and Hepatology, "Iuliu Hatieganu" University of Medicine and Pharmacy, Cluj-Napoca, Romania
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13
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Feyeux M, Reignier A, Mocaer M, Lammers J, Meistermann D, Barrière P, Paul-Gilloteaux P, David L, Fréour T. Development of automated annotation software for human embryo morphokinetics. Hum Reprod 2020; 35:557-564. [DOI: 10.1093/humrep/deaa001] [Citation(s) in RCA: 12] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/07/2019] [Revised: 12/26/2019] [Indexed: 11/14/2022] Open
Abstract
Abstract
STUDY QUESTION
Is it possible to develop an automated annotation tool for human embryo development in time-lapse devices based on image analysis?
SUMMARY ANSWER
We developed and validated an automated software for the annotation of human embryo morphokinetic parameters, having a good concordance with expert manual annotation on 701 time-lapse videos.
WHAT IS KNOWN ALREADY
Morphokinetic parameters obtained with time-lapse devices are increasingly used for the assessment of human embryo quality. However, their annotation is time-consuming and can be slightly operator-dependent, highlighting the need to develop fully automated approaches.
STUDY DESIGN, SIZE, DURATION
This monocentric study was conducted on 701 videos originating from 584 couples undergoing IVF with embryo culture in a time-lapse device. The only selection criterion was that the duration of the video must be over 60 h.
PARTICIPANTS/MATERIALS, SETTING, METHODS
An automated morphokinetic annotation tool was developed based on gray level coefficient of variation and detection of the thickness of the zona pellucida. The detection of cellular events obtained with the automated tool was compared with those obtained manually by trained experts in clinical settings.
MAIN RESULTS AND THE ROLE OF CHANCE
Although some differences were found when embryos were considered individually, we found an overall concordance between automated and manual annotation of human embryo morphokinetics from fertilization to expanded blastocyst stage (r2 = 0.92).
LIMITATIONS, REASONS FOR CAUTION
These results should undergo multicentric external evaluation in order to test the overall performance of the annotation tool. Getting access to the export of 3D videos would enhance the quality of the correlation with the same algorithm and its extension to the 3D regions of interest. A technical limitation of our work lies within the duration of the video. The more embryo stages the video contains, the more information the script has to identify them correctly.
WIDER IMPLICATIONS OF THE FINDINGS
Our system paves the way for high-throughput analysis of multicentric morphokinetic databases, providing new insights into the clinical value of morphokinetics as a predictor of embryo quality and implantation.
STUDY FUNDING/COMPETING INTEREST(S)
This study was partly funded by Finox-Gedeon Richter Forward Grant 2016 and NeXT (ANR-16-IDEX-0007). We have no conflict of interests to declare.
TRIAL REGISTRATION NUMBER
N/A
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Affiliation(s)
- M Feyeux
- Nantes Université, Inserm, Centre de Recherche en Transplantation et immunologie, Unité mixte de recherche 1064, Institut de Transplantatino Urologie Néphrologie, F-44000 Nantes, France
- Université de Nantes, Centre Hospitalier Universitaire Nantes, Inserm, CNRS, Structure Fédérative de Recherche en Santé Santé, Inserm Unité Mixte de Service 016, CNRS UMS 3556, F-44000 Nantes, France
| | - A Reignier
- Nantes Université, Inserm, Centre de Recherche en Transplantation et immunologie, Unité mixte de recherche 1064, Institut de Transplantatino Urologie Néphrologie, F-44000 Nantes, France
- Service de Médecine et Biologie du Développement et de la Reproduction, CHU Nantes, Nantes Université, Nantes, France
| | - M Mocaer
- Nantes Université, Inserm, Centre de Recherche en Transplantation et immunologie, Unité mixte de recherche 1064, Institut de Transplantatino Urologie Néphrologie, F-44000 Nantes, France
| | - J Lammers
- Nantes Université, Inserm, Centre de Recherche en Transplantation et immunologie, Unité mixte de recherche 1064, Institut de Transplantatino Urologie Néphrologie, F-44000 Nantes, France
- Service de Médecine et Biologie du Développement et de la Reproduction, CHU Nantes, Nantes Université, Nantes, France
| | - D Meistermann
- Nantes Université, Inserm, Centre de Recherche en Transplantation et immunologie, Unité mixte de recherche 1064, Institut de Transplantatino Urologie Néphrologie, F-44000 Nantes, France
| | - P Barrière
- Nantes Université, Inserm, Centre de Recherche en Transplantation et immunologie, Unité mixte de recherche 1064, Institut de Transplantatino Urologie Néphrologie, F-44000 Nantes, France
- Service de Médecine et Biologie du Développement et de la Reproduction, CHU Nantes, Nantes Université, Nantes, France
| | - P Paul-Gilloteaux
- Université de Nantes, Centre Hospitalier Universitaire Nantes, Inserm, CNRS, Structure Fédérative de Recherche en Santé Santé, Inserm Unité Mixte de Service 016, CNRS UMS 3556, F-44000 Nantes, France
| | - L David
- Nantes Université, Inserm, Centre de Recherche en Transplantation et immunologie, Unité mixte de recherche 1064, Institut de Transplantatino Urologie Néphrologie, F-44000 Nantes, France
- Université de Nantes, Centre Hospitalier Universitaire Nantes, Inserm, CNRS, Structure Fédérative de Recherche en Santé Santé, Inserm Unité Mixte de Service 016, CNRS UMS 3556, F-44000 Nantes, France
| | - T Fréour
- Nantes Université, Inserm, Centre de Recherche en Transplantation et immunologie, Unité mixte de recherche 1064, Institut de Transplantatino Urologie Néphrologie, F-44000 Nantes, France
- Service de Médecine et Biologie du Développement et de la Reproduction, CHU Nantes, Nantes Université, Nantes, France
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14
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Vila-Sanjurjo C, David L, Remuñán-López C, Vila-Sanjurjo A, Goycoolea F. Effect of the ultrastructure of chitosan nanoparticles in colloidal stability, quorum quenching and antibacterial activities. J Colloid Interface Sci 2019; 556:592-605. [DOI: 10.1016/j.jcis.2019.08.061] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/14/2019] [Revised: 08/16/2019] [Accepted: 08/16/2019] [Indexed: 11/28/2022]
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15
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Arcangeli A, Maffucci F, Atzori F, Azzolin M, Campana I, Carosso L, Crosti R, Frau F, David L, Di-Méglio N, Roul M, Gregorietti M, Mazzucato V, Pellegrino G, Giacoletti A, Paraboschi M, Zampollo A, de Lucia GA, Hochscheid S. Turtles on the trash track: loggerhead turtles exposed to floating plastic in the Mediterranean Sea. ENDANGER SPECIES RES 2019. [DOI: 10.3354/esr00980] [Citation(s) in RCA: 12] [Impact Index Per Article: 2.4] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/23/2022] Open
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16
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Diaz D, David L, Pons F, Jardin T, Gourdain N. Study of flapping wings to identify best performance conditions. Comput Methods Biomech Biomed Engin 2019. [DOI: 10.1080/10255842.2020.1713500] [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] [Subscribe] [Scholar Register] [Indexed: 10/24/2022]
Affiliation(s)
- D. Diaz
- Institut Pprime, CNRS, Université de Poitiers, ENSMA, Chasseneuil-du-Poitou, France
- ISAE-Supaero, University of Toulouse, Toulouse, France
| | - L. David
- Institut Pprime, CNRS, Université de Poitiers, ENSMA, Chasseneuil-du-Poitou, France
| | - F. Pons
- Institut Pprime, CNRS, Université de Poitiers, ENSMA, Chasseneuil-du-Poitou, France
| | - T. Jardin
- ISAE-Supaero, University of Toulouse, Toulouse, France
| | - N. Gourdain
- ISAE-Supaero, University of Toulouse, Toulouse, France
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17
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Samson M, Monnet T, David L. Highlighting the Kramer effect in swimming. Comput Methods Biomech Biomed Engin 2019. [DOI: 10.1080/10255842.2020.1714931] [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] [Subscribe] [Scholar Register] [Indexed: 10/24/2022]
Affiliation(s)
- M. Samson
- Institut Pprime, UPR 3346, CNRS – University of Poitiers – ISAE-ENSMA, Poitiers, France
| | - T. Monnet
- Institut Pprime, UPR 3346, CNRS – University of Poitiers – ISAE-ENSMA, Poitiers, France
| | - L. David
- Institut Pprime, UPR 3346, CNRS – University of Poitiers – ISAE-ENSMA, Poitiers, France
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18
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Oliveira PN, Montembault A, Sudre G, Alcouffe P, Marcon L, Gehan H, Lux F, Albespy K, Centis V, Campos D, Roques S, Meulle M, Renard M, Durand M, Denost Q, Bordenave L, Vandamme M, Chereul E, Vandesteene M, Boucard N, David L. Self-crosslinked fibrous collagen/chitosan blends: Processing, properties evaluation and monitoring of degradation by bi-fluorescence imaging. Int J Biol Macromol 2019; 131:353-367. [PMID: 30817967 DOI: 10.1016/j.ijbiomac.2019.02.134] [Citation(s) in RCA: 14] [Impact Index Per Article: 2.8] [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: 01/10/2019] [Revised: 02/22/2019] [Accepted: 02/22/2019] [Indexed: 12/22/2022]
Abstract
Porous collagen/chitosan scaffolds with different Collagen:Chitosan (Coll:Ch) ratios were prepared by freeze-drying followed by self-crosslinking via dehydrothermal treatment (DHT) and characterized as biomaterials for tissue engineering. Cy7 and Cy5.5 fluorochromes were covalently grafted to collagen and chitosan, respectively. Thus, it was possible, using optical fluorescence imaging of the two fluorochromes, to simultaneously track their in vivo biodegradation, in a blend scaffold form. The fluorescence signal evolution, due to the bioresorption, corroborated with histological analysis. In vitro cytocompatibility of Coll:Ch blend scaffolds were evaluated with standardized tests. In addition, the scaffolds showed a highly interconnected porous structure. Extent of crosslinking was analyzed by convergent analysis using thermogravimetry, Fourier Transform Infrared Spectroscopy and PBS uptake. The variations observed with these techniques indicate strong interactions between collagen and chitosan (covalent and hydrogen bonds) promoted by the DHT. The mechanical properties were characterized to elucidate the impact of the different processing steps in the sample preparation (DHT, neutralization and sterilization by β-irradiation) and showed a robust processing scheme with low impact of Coll:Ch composition ratio.
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Affiliation(s)
- P N Oliveira
- IMP, CNRS UMR 5223, Univ Claude Bernard Lyon 1, Univ Lyon, 15 bd Latarjet, 69622 Villeurbanne, France.
| | - A Montembault
- IMP, CNRS UMR 5223, Univ Claude Bernard Lyon 1, Univ Lyon, 15 bd Latarjet, 69622 Villeurbanne, France
| | - G Sudre
- IMP, CNRS UMR 5223, Univ Claude Bernard Lyon 1, Univ Lyon, 15 bd Latarjet, 69622 Villeurbanne, France
| | - P Alcouffe
- IMP, CNRS UMR 5223, Univ Claude Bernard Lyon 1, Univ Lyon, 15 bd Latarjet, 69622 Villeurbanne, France
| | - L Marcon
- ILM, CNRS UMR 5306, Univ Claude Bernard Lyon 1, Univ Lyon, 43 bd du 11 Nov 1918, 69622 Villeurbanne, France
| | - H Gehan
- ILM, CNRS UMR 5306, Univ Claude Bernard Lyon 1, Univ Lyon, 43 bd du 11 Nov 1918, 69622 Villeurbanne, France
| | - F Lux
- ILM, CNRS UMR 5306, Univ Claude Bernard Lyon 1, Univ Lyon, 43 bd du 11 Nov 1918, 69622 Villeurbanne, France
| | - K Albespy
- Biom'up, 8, allée Irène Joliot Curie, 69800 Saint Priest, France
| | - V Centis
- Biom'up, 8, allée Irène Joliot Curie, 69800 Saint Priest, France
| | - D Campos
- Biom'up, 8, allée Irène Joliot Curie, 69800 Saint Priest, France
| | - S Roques
- CIC1401, CHU Bordeaux, Inserm, Univ Bordeaux, 146 rue Léo Saignat, 33000 Bordeaux, France
| | - M Meulle
- CIC1401, CHU Bordeaux, Inserm, Univ Bordeaux, 146 rue Léo Saignat, 33000 Bordeaux, France
| | - M Renard
- CIC1401, CHU Bordeaux, Inserm, Univ Bordeaux, 146 rue Léo Saignat, 33000 Bordeaux, France
| | - M Durand
- CIC1401, CHU Bordeaux, Inserm, Univ Bordeaux, 146 rue Léo Saignat, 33000 Bordeaux, France; BIOTIS Inserm U1026, Univ Bordeaux, Bioingénierie tissulaire, 146 rue Léo Saignat, Bordeaux 33000, France
| | - Q Denost
- CIC1401, CHU Bordeaux, Inserm, Univ Bordeaux, 146 rue Léo Saignat, 33000 Bordeaux, France; BIOTIS Inserm U1026, Univ Bordeaux, Bioingénierie tissulaire, 146 rue Léo Saignat, Bordeaux 33000, France
| | - L Bordenave
- CIC1401, CHU Bordeaux, Inserm, Univ Bordeaux, 146 rue Léo Saignat, 33000 Bordeaux, France; BIOTIS Inserm U1026, Univ Bordeaux, Bioingénierie tissulaire, 146 rue Léo Saignat, Bordeaux 33000, France
| | | | - E Chereul
- Voxcan, Marcy l'Etoile 69280, France
| | | | - N Boucard
- MDB Texinov, Saint-Didier-de-la Tour 38110, France
| | - L David
- IMP, CNRS UMR 5223, Univ Claude Bernard Lyon 1, Univ Lyon, 15 bd Latarjet, 69622 Villeurbanne, France
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19
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Manikandan S, Divyabharathi M, Tomas K, Pavel P, David L. Production of poly (ε-caprolactone) Antimicrobial Nanofibers by Needleless Alternating Current Electrospinning. ACTA ACUST UNITED AC 2019. [DOI: 10.1016/j.matpr.2019.06.526] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/04/2023]
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20
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David L, Archier E, Souteyrand A, Beauchet A, Mahé E, Quiles N. Étude HumPso : troubles de l’humeur et psoriasis - Étude des pratiques professionnelles des dermatologues. Ann Dermatol Venereol 2018. [DOI: 10.1016/j.annder.2018.09.354] [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: 11/15/2022]
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21
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David L, Andreani J, Secq V, La Scola B, Delaporte E, Berbis P, Fongue J. Nodule d’Orf : second génome viral décrit et séquencé chez l’homme. Ann Dermatol Venereol 2018. [DOI: 10.1016/j.annder.2018.09.467] [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: 10/27/2022]
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22
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Desorme M, Montembault A, Tamet T, Maleysson P, Bouet T, David L. Spinning of hydroalcoholic chitosan solutions: Mechanical behavior and multiscale microstructure of resulting fibers. J Appl Polym Sci 2018. [DOI: 10.1002/app.47130] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/28/2023]
Affiliation(s)
- M. Desorme
- Université de Lyon, Université Claude Bernard Lyon 1CNRS UMR 5223 Ingénierie des Matériaux Polymères IMP@Lyon1 15 bd Latarjet, 69622, Villeurbanne Cedex France
- Laboratoire TETRA MedicalP.A.E. de Marenton, Avenue Rhin et Danube BP 142 07104 Annonay Cedex France
| | - A. Montembault
- Université de Lyon, Université Claude Bernard Lyon 1CNRS UMR 5223 Ingénierie des Matériaux Polymères IMP@Lyon1 15 bd Latarjet, 69622, Villeurbanne Cedex France
| | - T. Tamet
- Université de Lyon, Université Claude Bernard Lyon 1CNRS UMR 5223 Ingénierie des Matériaux Polymères IMP@Lyon1 15 bd Latarjet, 69622, Villeurbanne Cedex France
| | - P. Maleysson
- Institut Français du Textile et de l'Habillement – IFTHDirection Régionale Rhône‐Alpes PACA 93 chemin des Mouilles 69130 Ecully Cedex France
| | - T. Bouet
- Laboratoire TETRA MedicalP.A.E. de Marenton, Avenue Rhin et Danube BP 142 07104 Annonay Cedex France
| | - L. David
- Université de Lyon, Université Claude Bernard Lyon 1CNRS UMR 5223 Ingénierie des Matériaux Polymères IMP@Lyon1 15 bd Latarjet, 69622, Villeurbanne Cedex France
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23
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Gaignerie A, Lefort N, Rousselle M, Forest-Choquet V, Flippe L, Francois-Campion V, Girardeau A, Caillaud A, Chariau C, Francheteau Q, Derevier A, Chaubron F, Knöbel S, Gaborit N, Si-Tayeb K, David L. Urine-derived cells provide a readily accessible cell type for feeder-free mRNA reprogramming. Sci Rep 2018; 8:14363. [PMID: 30254308 PMCID: PMC6156222 DOI: 10.1038/s41598-018-32645-2] [Citation(s) in RCA: 23] [Impact Index Per Article: 3.8] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/05/2017] [Accepted: 08/01/2018] [Indexed: 12/21/2022] Open
Abstract
Over a decade after their discovery, induced pluripotent stem cells (iPSCs) have become a major biological model. The iPSC technology allows generation of pluripotent stem cells from somatic cells bearing any genomic background. The challenge ahead of us is to translate human iPSCs (hiPSCs) protocols into clinical treatment. To do so, we need to improve the quality of hiPSCs produced. In this study we report the reprogramming of multiple patient urine-derived cell lines with mRNA reprogramming, which, to date, is one of the fastest and most faithful reprogramming method. We show that mRNA reprogramming efficiently generates hiPSCs from urine-derived cells. Moreover, we were able to generate feeder-free bulk hiPSCs lines that did not display genomic abnormalities. Altogether, this reprogramming method will contribute to accelerating the translation of hiPSCs to therapeutic applications.
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Affiliation(s)
- A Gaignerie
- SFR-SANTE, iPSC core facility, INSERM, CNRS, UNIV Nantes, CHU Nantes, Nantes, France
| | - N Lefort
- IPS Platform, Institut Imagine, INSERM, Paris Descartes-Sorbonne University, Paris Cité University, Paris, France
| | - M Rousselle
- SFR-SANTE, iPSC core facility, INSERM, CNRS, UNIV Nantes, CHU Nantes, Nantes, France
| | | | - L Flippe
- CRTI, INSERM, Université de Nantes, Nantes, France
- ITUN, CHU Nantes, Nantes, France
- LabEx IGO "Immunotherapy, Graft, Oncology", Nantes, France
| | - V Francois-Campion
- CRTI, INSERM, Université de Nantes, Nantes, France
- ITUN, CHU Nantes, Nantes, France
- LabEx IGO "Immunotherapy, Graft, Oncology", Nantes, France
| | - A Girardeau
- Institut du thorax, INSERM, CNRS, UNIV Nantes, Nantes, France
| | - A Caillaud
- Institut du thorax, INSERM, CNRS, UNIV Nantes, Nantes, France
| | - C Chariau
- SFR-SANTE, iPSC core facility, INSERM, CNRS, UNIV Nantes, CHU Nantes, Nantes, France
| | - Q Francheteau
- SFR-SANTE, iPSC core facility, INSERM, CNRS, UNIV Nantes, CHU Nantes, Nantes, France
| | - A Derevier
- SFR-SANTE, iPSC core facility, INSERM, CNRS, UNIV Nantes, CHU Nantes, Nantes, France
| | - F Chaubron
- Institut Clinident, Bat Laennec, Domaine du petit arbois, 13592, Aix en Provence Cedex 3, France
| | - S Knöbel
- Miltenyi Biotec GmbH, 51429, Bergisch Gladbach, Germany
| | - N Gaborit
- Institut du thorax, INSERM, CNRS, UNIV Nantes, Nantes, France
| | - K Si-Tayeb
- Institut du thorax, INSERM, CNRS, UNIV Nantes, Nantes, France
| | - L David
- SFR-SANTE, iPSC core facility, INSERM, CNRS, UNIV Nantes, CHU Nantes, Nantes, France.
- CRTI, INSERM, Université de Nantes, Nantes, France.
- ITUN, CHU Nantes, Nantes, France.
- LabEx IGO "Immunotherapy, Graft, Oncology", Nantes, France.
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24
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Diaconu N, David L, Cuzor T, Lupusor A, Bejenari D. P4831Predictors of heart rhythm disturbances in postinfarct patients with obstructive sleep apnea. Eur Heart J 2018. [DOI: 10.1093/eurheartj/ehy563.p4831] [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: 11/15/2022] Open
Affiliation(s)
- N Diaconu
- Institute of Cardiology, Chisinau, Moldova Republic of
| | - L David
- Institute of Cardiology, Chisinau, Moldova Republic of
| | - T Cuzor
- Institute of Cardiology, Chisinau, Moldova Republic of
| | - A Lupusor
- Institute of Neurology and Neurosurgery, Chisinau, Moldova Republic of
| | - D Bejenari
- State University of Medicine and Pharmacy, Chisinau, Moldova Republic of
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25
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Coelho R, Ricardo S, Theodorakis I, Jacob F, David L, Amaral A. PO-247 Mesothelin regulates invasion and peritoneal metastization of ovarian cancer. ESMO Open 2018. [DOI: 10.1136/esmoopen-2018-eacr25.763] [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] Open
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26
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Mesquita P, Freire A, Lopes N, Cavadas B, Pereira B, Barros R, Coelho R, David L, Pereira L, Almeida R. PO-501 Loss of SOX9 expression is a predictive marker of relapse in gastric cancer. ESMO Open 2018. [DOI: 10.1136/esmoopen-2018-eacr25.1002] [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] Open
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27
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Mugimba KK, Chengula AA, Wamala S, Mwega ED, Kasanga CJ, Byarugaba DK, Mdegela RH, Tal S, Bornstein B, Dishon A, Mutoloki S, David L, Evensen Ø, Munang'andu HM. Detection of tilapia lake virus (TiLV) infection by PCR in farmed and wild Nile tilapia (Oreochromis niloticus) from Lake Victoria. J Fish Dis 2018; 41:1181-1189. [PMID: 29473649 DOI: 10.1111/jfd.12790] [Citation(s) in RCA: 38] [Impact Index Per Article: 6.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 09/25/2017] [Revised: 12/30/2017] [Accepted: 01/02/2018] [Indexed: 06/08/2023]
Abstract
Tilapia lake virus disease (TiLVD) has emerged to be an important viral disease of farmed Nile tilapia (Oreochromis niloticus) having the potential to impede expansion of aquaculture production. There is a need for rapid diagnostic tools to identify infected fish to limit the spread in individual farms. We report the first detection of TiLV infection by PCR in farmed and wild Nile tilapia from Lake Victoria. There was no difference in prevalence between farmed and wild fish samples (p = .65), and of the 442 samples examined from 191 fish, 28 were positive for TiLV by PCR. In terms of tissue distribution, the head kidney (7.69%, N = 65) and spleen (10.99%, N = 191), samples had the highest prevalence (p < .0028) followed by heart samples (3.45%, N = 29). Conversely, the prevalence was low in the liver (0.71%, N = 140) and absent in brain samples (0.0%, N = 17), which have previously been shown to be target organs during acute infections. Phylogenetic analysis showed homology between our sequences and those from recent outbreaks in Israel and Thailand. Given that these findings were based on nucleic acid detection by PCR, future studies should seek to isolate the virus from fish in Lake Victoria and show its ability to cause disease and virulence in susceptible fish.
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Affiliation(s)
- K K Mugimba
- Faculty of Veterinary Medicine and Biosciences, Department of Basic Sciences and Aquatic Medicine, Section of Aquatic Medicine and Nutrition, Norwegian University of Life Sciences, Oslo, Norway
- Department of Biotechnical and Diagnostic Sciences, College of Veterinary Medicine Animal Resources and Biosecurity, Makerere University, Kampala, Uganda
| | - A A Chengula
- Faculty of Veterinary Medicine and Biosciences, Department of Basic Sciences and Aquatic Medicine, Section of Aquatic Medicine and Nutrition, Norwegian University of Life Sciences, Oslo, Norway
- Department of Microbiology, Parasitology and Immunology, College of Veterinary Medicine and Biomedical Sciences, Sokoine University of Agriculture, Morogoro, Tanzania
| | - S Wamala
- Faculty of Veterinary Medicine and Biosciences, Department of Basic Sciences and Aquatic Medicine, Section of Aquatic Medicine and Nutrition, Norwegian University of Life Sciences, Oslo, Norway
- Department of Biotechnical and Diagnostic Sciences, College of Veterinary Medicine Animal Resources and Biosecurity, Makerere University, Kampala, Uganda
| | - E D Mwega
- Faculty of Veterinary Medicine and Biosciences, Department of Basic Sciences and Aquatic Medicine, Section of Aquatic Medicine and Nutrition, Norwegian University of Life Sciences, Oslo, Norway
- Department of Microbiology, Parasitology and Immunology, College of Veterinary Medicine and Biomedical Sciences, Sokoine University of Agriculture, Morogoro, Tanzania
| | - C J Kasanga
- Department of Microbiology, Parasitology and Immunology, College of Veterinary Medicine and Biomedical Sciences, Sokoine University of Agriculture, Morogoro, Tanzania
| | - D K Byarugaba
- Department of Biotechnical and Diagnostic Sciences, College of Veterinary Medicine Animal Resources and Biosecurity, Makerere University, Kampala, Uganda
| | - R H Mdegela
- Department of Microbiology, Parasitology and Immunology, College of Veterinary Medicine and Biomedical Sciences, Sokoine University of Agriculture, Morogoro, Tanzania
| | - S Tal
- KoVaX Ltd., Jerusalem, Israel
| | | | | | - S Mutoloki
- Faculty of Veterinary Medicine and Biosciences, Department of Basic Sciences and Aquatic Medicine, Section of Aquatic Medicine and Nutrition, Norwegian University of Life Sciences, Oslo, Norway
| | - L David
- R.H. Smith Faculty of Agriculture, Food and Environment, Department of Animal Sciences, The Hebrew University of Jerusalem, Rehovot, Israel
| | - Ø Evensen
- Faculty of Veterinary Medicine and Biosciences, Department of Basic Sciences and Aquatic Medicine, Section of Aquatic Medicine and Nutrition, Norwegian University of Life Sciences, Oslo, Norway
| | - H M Munang'andu
- Faculty of Veterinary Medicine and Biosciences, Department of Basic Sciences and Aquatic Medicine, Section of Aquatic Medicine and Nutrition, Norwegian University of Life Sciences, Oslo, Norway
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28
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Samson M, Monnet T, Bernard A, Lacouture P, David L. Analysis of a swimmer's hand and forearm in impulsive start from rest using computational fluid dynamics in unsteady flow conditions. J Biomech 2017; 67:157-165. [PMID: 29269003 DOI: 10.1016/j.jbiomech.2017.12.003] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.1] [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: 07/06/2017] [Revised: 10/19/2017] [Accepted: 12/04/2017] [Indexed: 11/25/2022]
Abstract
The propulsive forces generated by the hands and arms of swimmers have so far been determined essentially by quasi-steady approaches. This study aims to quantify the temporal dependence of the hydrodynamic forces for a simple translation movement: an impulsive start from rest. The study, carried out in unsteady numerical simulation, couples the calculation of the lift and the drag on an expert swimmer hand-forearm model with visualizations of the flow and flow vortex structure analysis. The results of these simulations show that the hand and forearm hydrodynamic forces should be studied from an unsteady approach because the quasi-steady model is inadequate. It also appears that the delayed stall effect generates higher circulatory forces during a short translation at high angle of attack than forces calculated under steady state conditions. During this phase the hand force coefficients are approximately twice as large as those of the forearm. The total force coefficients are highest for angles of attack between 40° and 60°. For the same angle of attack, the forces produced when the leading edge is the thumb side are slightly greater than those produced when the leading edge is the little finger side.
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Affiliation(s)
- M Samson
- P' Institute, CNRS-University of Poitiers - ENSMA, UPR 3346, 11 Boulevard Marie et Pierre Curie, Téléport 2, BP 30179, 86962 Futuroscope Cedex, France.
| | - T Monnet
- P' Institute, CNRS-University of Poitiers - ENSMA, UPR 3346, 11 Boulevard Marie et Pierre Curie, Téléport 2, BP 30179, 86962 Futuroscope Cedex, France
| | - A Bernard
- P' Institute, CNRS-University of Poitiers - ENSMA, UPR 3346, 11 Boulevard Marie et Pierre Curie, Téléport 2, BP 30179, 86962 Futuroscope Cedex, France
| | - P Lacouture
- P' Institute, CNRS-University of Poitiers - ENSMA, UPR 3346, 11 Boulevard Marie et Pierre Curie, Téléport 2, BP 30179, 86962 Futuroscope Cedex, France
| | - L David
- P' Institute, CNRS-University of Poitiers - ENSMA, UPR 3346, 11 Boulevard Marie et Pierre Curie, Téléport 2, BP 30179, 86962 Futuroscope Cedex, France
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29
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Abuzaid M, Elshami W, David L, Stevens B. Perceptions of E-portfolio Use in Lifelong Learning and Professional Development Among Radiology Professionals. Curr Med Imaging 2017. [DOI: 10.2174/1573405613666170105153425] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/22/2022]
Affiliation(s)
- M.M. Abuzaid
- University of Sharjah, Medical Diagnostic Imaging Department, Sharjah, P.O. Box: 27272, United Arab Emirates
| | - W. Elshami
- Medical Diagnostic Imaging Department, University of Sharjah, Sharjah, P.O. Box: 27272, United Arab Emirates
| | - L. David
- Medical Diagnostic Imaging Department, University of Sharjah, Sharjah, P.O. Box: 27272, United Arab Emirates
| | - Barry Stevens
- SOR Accredited Advanced Practitioner, Walsall Healthcare NHS Trust, Walsall Manor Hospital, Moat Road, Walsall West-Midlands, WS2 9PS, United Kingdom
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30
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Samson M, Bernard A, Monnet T, Lacouture P, David L. Unsteady forces on a hand in swimming in impulsive start configuration. Comput Methods Biomech Biomed Engin 2017; 20:187-188. [DOI: 10.1080/10255842.2017.1382925] [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] [Subscribe] [Scholar Register] [Indexed: 10/18/2022]
Affiliation(s)
- M. Samson
- Institut Pprime, UPR 3346, CNRS – University of Poitiers – ISAE-ENSMA, France
| | - A. Bernard
- Institut Pprime, UPR 3346, CNRS – University of Poitiers – ISAE-ENSMA, France
| | - T. Monnet
- Institut Pprime, UPR 3346, CNRS – University of Poitiers – ISAE-ENSMA, France
| | - P. Lacouture
- Institut Pprime, UPR 3346, CNRS – University of Poitiers – ISAE-ENSMA, France
| | - L. David
- Institut Pprime, UPR 3346, CNRS – University of Poitiers – ISAE-ENSMA, France
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31
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Aussel A, Thébaud NB, Bérard X, Brizzi V, Delmond S, Bareille R, Siadous R, James C, Ripoche J, Durand M, Montembault A, Burdin B, Letourneur D, L’Heureux N, David L, Bordenave L. Chitosan-based hydrogels for developing a small-diameter vascular graft:
in vitro
and
in vivo
evaluation. Biomed Mater 2017; 12:065003. [DOI: 10.1088/1748-605x/aa78d0] [Citation(s) in RCA: 30] [Impact Index Per Article: 4.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/23/2023]
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32
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Pfister D, David L, Holzer M, Nicoud RM. Designing affinity chromatographic processes for the capture of antibodies. Part I: A simplified approach. J Chromatogr A 2017; 1494:27-39. [DOI: 10.1016/j.chroma.2017.02.070] [Citation(s) in RCA: 14] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/20/2017] [Revised: 02/27/2017] [Accepted: 02/28/2017] [Indexed: 10/20/2022]
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33
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Compagnon A, Riley J, Vahdati-Bolouri M, Kalberg C, Tombs L, David L. Analyse comparative en sous-groupe de umeclidinium/vilanterol vs. tiotropium chez des patients BPCO. Rev Mal Respir 2017. [DOI: 10.1016/j.rmr.2016.10.357] [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: 11/27/2022]
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34
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Lalevée G, Sudre G, Montembault A, Meadows J, Malaise S, Crépet A, David L, Delair T. Polyelectrolyte complexes via desalting mixtures of hyaluronic acid and chitosan—Physicochemical study and structural analysis. Carbohydr Polym 2016; 154:86-95. [DOI: 10.1016/j.carbpol.2016.08.007] [Citation(s) in RCA: 34] [Impact Index Per Article: 4.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/24/2016] [Revised: 07/20/2016] [Accepted: 08/03/2016] [Indexed: 12/22/2022]
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35
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Ganti P, David L, Sinha C, Sekhsaria S. P134 Validity of the asthma control test in patients with coexisting asthma and gastroesophageal reflux disease. Ann Allergy Asthma Immunol 2016. [DOI: 10.1016/j.anai.2016.09.144] [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: 10/20/2022]
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36
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Halimi C, Montembault A, Guerry A, Delair T, Viguier E, Fulchiron R, David L. Chitosan solutions as injectable systems for dermal filler applications: Rheological characterization and biological evidence. Annu Int Conf IEEE Eng Med Biol Soc 2016; 2015:2596-9. [PMID: 26736823 DOI: 10.1109/embc.2015.7318923] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [What about the content of this article? (0)] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 11/06/2022]
Abstract
A new generation of dermal filler for wrinkle filler based on chitosan was compared to current hyaluronic acid-based dermal fillers by using a new rheological performance criterion based on viscosity during injection related to Newtonian viscosity. In addition an in vivo evaluation was performed for preclinical evidence of chitosan use as dermal filler. In this way, biocompatibility and dermis reconstruction was evaluated on a pig model.
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37
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Tadmor-Levi R, Asulin E, David L, Hulata G. P6044 Genomics-assisted introgression of viral resistance in commercial common carp strains. J Anim Sci 2016. [DOI: 10.2527/jas2016.94supplement4170a] [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: 11/13/2022] Open
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38
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England J, David L. Lessons from a Remote Pacemaker Clinic. Heart Lung Circ 2016. [DOI: 10.1016/j.hlc.2016.06.746] [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: 11/17/2022]
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39
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Kolathodi MS, David L, Abass MA, Singh G. Polysiloxane-functionalized graphene oxide paper: pyrolysis and performance as a Li-ion battery and supercapacitor electrode. RSC Adv 2016. [DOI: 10.1039/c6ra15746g] [Citation(s) in RCA: 10] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022] Open
Abstract
Exfoliated graphene oxide (GO) and polysiloxane were blended and pyrolyzed to synthesize free-standing SiOC–graphene composite papers.
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Affiliation(s)
- M. S. Kolathodi
- Mechanical and Nuclear Engineering Department
- Kansas State University
- Manhattan
- USA
| | - L. David
- Mechanical and Nuclear Engineering Department
- Kansas State University
- Manhattan
- USA
| | - M. A. Abass
- Mechanical and Nuclear Engineering Department
- Kansas State University
- Manhattan
- USA
| | - G. Singh
- Mechanical and Nuclear Engineering Department
- Kansas State University
- Manhattan
- USA
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40
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David L, Shareef KM, Abass MA, Singh G. Three-dimensional polymer-derived ceramic/graphene paper as a Li-ion battery and supercapacitor electrode. RSC Adv 2016. [DOI: 10.1039/c6ra08244k] [Citation(s) in RCA: 28] [Impact Index Per Article: 3.5] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022] Open
Abstract
We report synthesis and electrochemical performance of silicon-based molecular precursor-derived ceramic (PDC)/carbon nanotube-embedded graphene self-supporting composite papers as Li-ion battery and supercapacitor electrodes.
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Affiliation(s)
- L. David
- Mechanical and Nuclear Engineering Department
- Kansas State University
- Manhattan
- USA
| | - K. M. Shareef
- Mechanical and Nuclear Engineering Department
- Kansas State University
- Manhattan
- USA
| | - M. A. Abass
- Mechanical and Nuclear Engineering Department
- Kansas State University
- Manhattan
- USA
| | - G. Singh
- Mechanical and Nuclear Engineering Department
- Kansas State University
- Manhattan
- USA
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Nganou C, David L, Adir N, Mkandawire M. Linker proteins enable ultrafast excitation energy transfer in the phycobilisome antenna system of Thermosynechococcus vulcanus. Photochem Photobiol Sci 2016; 15:31-44. [DOI: 10.1039/c5pp00285k] [Citation(s) in RCA: 20] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/20/2023]
Abstract
Comparison of kinetics of photoexcitation migration from PC620 to APC Core in extracted and intact pentacyclic phycobilisomes ofT. vulcanus. The extracted PBS does not have linker protein, while intact has them and they facilitate the migration.
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Affiliation(s)
- C. Nganou
- Verschuren Centre for Sustainability in Energy and the Environment
- Cape Breton University
- Sydney
- Canada
- Department of Chemistry
| | - L. David
- Schulich Faculty of Chemistry
- Technion-Israel Institute of Technology
- Haifa
- Israel
| | - N. Adir
- Schulich Faculty of Chemistry
- Technion-Israel Institute of Technology
- Haifa
- Israel
| | - M. Mkandawire
- Verschuren Centre for Sustainability in Energy and the Environment
- Cape Breton University
- Sydney
- Canada
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42
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Chotar-Vasseur Y, Halimi C, Cachon T, Carozzo C, Sudre G, David L, Viguier E. Mechanical properties of porcine spinal segments after intervertebral disc fenestration: an in vitro preliminary study. Comput Methods Biomech Biomed Engin 2015; 18:1904-1905. [DOI: 10.1080/10255842.2015.1069630] [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] [Subscribe] [Scholar Register] [Indexed: 10/23/2022]
Affiliation(s)
| | - C. Halimi
- IMP (CNRS, UMR 5223), Université Claude Bernard Lyon1, Villeurbanne, France
- CYTOSIAL Biomedic, Accinov innovation platform, Lyon, France
| | - T. Cachon
- ICE (UPSP 2011.03.101), Marcy l’Etoile, France
| | - C. Carozzo
- ICE (UPSP 2011.03.101), Marcy l’Etoile, France
| | - G. Sudre
- IMP (CNRS, UMR 5223), Université Claude Bernard Lyon1, Villeurbanne, France
| | - L. David
- IMP (CNRS, UMR 5223), Université Claude Bernard Lyon1, Villeurbanne, France
| | - E. Viguier
- ICE (UPSP 2011.03.101), Marcy l’Etoile, France
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Campana I, Crosti R, Angeletti D, Carosso L, David L, Di-Méglio N, Moulins A, Rosso M, Tepsich P, Arcangeli A. Cetacean response to summer maritime traffic in the Western Mediterranean Sea. Mar Environ Res 2015; 109:1-8. [PMID: 26009840 DOI: 10.1016/j.marenvres.2015.05.009] [Citation(s) in RCA: 10] [Impact Index Per Article: 1.1] [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: 02/24/2015] [Revised: 05/06/2015] [Accepted: 05/13/2015] [Indexed: 06/04/2023]
Abstract
Maritime traffic is one of many anthropogenic pressures threatening the marine environment. This study was specifically designed to investigate the relationship between vessels presence and cetacean sightings in the high sea areas of the Western Mediterranean Sea region. We recorded and compared the total number of vessels in the presence and absence of cetacean sightings using data gathered during the summer season (2009-2013) along six fixed transects repeatedly surveyed. In locations with cetacean sightings (N = 2667), nautical traffic was significantly lower, by 20%, compared to random locations where no sightings occurred (N = 1226): all cetacean species, except bottlenose dolphin, were generally observed in locations with lower vessel abundance. In different areas the species showed variable results likely influenced by a combination of biological and local environmental factors. The approach of this research helped create, for the first time, a wide vision of the different responses of animals towards a common pressure.
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Affiliation(s)
- I Campana
- Tuscia University, Dep. of Ecological and Biological Sciences, Ichthyogenic Experimental Marine Center (CISMAR), Borgo Le Saline, 01016 Tarquinia, VT, Italy; Accademia del Leviatano, V.le dell'Astronomia 19, 00144 Rome, Italy
| | - R Crosti
- ISPRA, IV Dep. STS Palermo, Via S. Puglisi 9, 90123 Palermo, Italy
| | - D Angeletti
- Tuscia University, Dep. of Ecological and Biological Sciences, Ichthyogenic Experimental Marine Center (CISMAR), Borgo Le Saline, 01016 Tarquinia, VT, Italy
| | - L Carosso
- Pisa University, Dep. of Biology, Via Derna 1, 56126 Pisa, Italy
| | - L David
- EcoOcéan Institut, 18 Rue des Hospices, 34090 Montpellier, France
| | - N Di-Méglio
- EcoOcéan Institut, 18 Rue des Hospices, 34090 Montpellier, France
| | - A Moulins
- CIMA Research Foundation, V. Magliotto 2, 17100 Savona, Italy
| | - M Rosso
- CIMA Research Foundation, V. Magliotto 2, 17100 Savona, Italy
| | - P Tepsich
- CIMA Research Foundation, V. Magliotto 2, 17100 Savona, Italy; Genoa University, Dep. of Informatics Bioengineering Robotics and System Engineering (DIBRIS), Genoa, Italy
| | - A Arcangeli
- ISPRA, V. Brancati 48, 00144 Rome, Italy; Roma TRE University, Dep. of Sciences, V.le G. Marconi 446, 00146 Rome, Italy.
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Bacabasa N, Dinu I, Martiniuc A, David L. SERIAL RESECTIONS IN METASTATIC BREAST CANCER: IGCS-0035 Breast Cancer. Int J Gynecol Cancer 2015. [DOI: 10.1136/00009577-201505001-00003] [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: 11/03/2022] Open
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45
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David L, Bhandavat R, Barrera U, Singh G. Polymer-Derived Ceramic Functionalized MoS2 Composite Paper as a Stable Lithium-Ion Battery Electrode. Sci Rep 2015; 5:9792. [PMID: 25851595 PMCID: PMC4389211 DOI: 10.1038/srep09792] [Citation(s) in RCA: 74] [Impact Index Per Article: 8.2] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/16/2013] [Accepted: 03/19/2015] [Indexed: 12/03/2022] Open
Abstract
A facile process is demonstrated for the synthesis of layered SiCN-MoS2 structure via pyrolysis of polysilazane functionalized MoS2 flakes. The layered morphology and polymer to ceramic transformation on MoS2 surfaces was confirmed by use of electron microscopy and spectroscopic techniques. Tested as thick film electrode in a Li-ion battery half-cell, SiCN-MoS2 showed the classical three-stage reaction with improved cycling stability and capacity retention than neat MoS2. Contribution of conversion reaction of Li/MoS2 system on overall capacity was marginally affected by the presence of SiCN while Li-irreversibility arising from electrolyte decomposition was greatly suppressed. This is understood as one of the reasons for decreased first cycle loss and increased capacity retention. SiCN-MoS2 in the form of self-supporting paper electrode (at 6 mg·cm−2) exhibited even better performance, regaining initial charge capacity of approximately 530 mAh·g−1 when the current density returned to 100 mA·g−1 after continuous cycling at 2400 mA·g−1 (192 mAh·g−1). MoS2 cycled electrode showed mud-cracks and film delamination whereas SiCN-MoS2 electrodes were intact and covered with a uniform solid electrolyte interphase coating. Taken together, our results suggest that molecular level interfacing with precursor–derived SiCN is an effective strategy for suppressing the metal-sulfide/electrolyte degradation reaction at low discharge potentials.
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Affiliation(s)
- L David
- Department of Mechanical and Nuclear Engineering, Kansas State University, Manhattan, KS 66506, USA
| | - R Bhandavat
- Department of Mechanical and Nuclear Engineering, Kansas State University, Manhattan, KS 66506, USA
| | - U Barrera
- Department of Mechanical and Nuclear Engineering, Kansas State University, Manhattan, KS 66506, USA
| | - G Singh
- Department of Mechanical and Nuclear Engineering, Kansas State University, Manhattan, KS 66506, USA
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Abstract
At high angles of attack, an aircraft wing stalls. This dreaded event is characterized by the development of a leading edge vortex on the upper surface of the wing, followed by its shedding which causes a drastic drop in the aerodynamic lift. At similar angles of attack, the leading edge vortex on an insect wing or an autorotating seed membrane remains robustly attached, ensuring high sustained lift. What are the mechanisms responsible for both leading edge vortex attachment and high lift generation on revolving wings? We review the three main hypotheses that attempt to explain this specificity and, using direct numerical simulations of the Navier-Stokes equations, we show that the latter originates in Coriolis effects.
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Affiliation(s)
- T Jardin
- Institut Supérieur de l'Aéronautique et de l'Espace, University of Toulouse, 10 Avenue Edouard-Belin, Toulouse 31055, France
| | - L David
- Institut Pprime, University of Poitiers, 11 Boulevard Marie et Pierre Curie, Futuroscope Chasseneuil 86962, France
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Menchicchi B, Fuenzalida JP, Hensel A, Swamy MJ, David L, Rochas C, Goycoolea FM. Biophysical Analysis of the Molecular Interactions between Polysaccharides and Mucin. Biomacromolecules 2015; 16:924-35. [DOI: 10.1021/bm501832y] [Citation(s) in RCA: 71] [Impact Index Per Article: 7.9] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/02/2023]
Affiliation(s)
- B. Menchicchi
- Westfälische Wilhelms-Universität Münster, Institute of Plant Biology and Biotechnology (IBBP), Schlossgarten 3, 48149 - Münster, Germany
| | - J. P. Fuenzalida
- Westfälische Wilhelms-Universität Münster, Institute of Plant Biology and Biotechnology (IBBP), Schlossgarten 3, 48149 - Münster, Germany
| | - A. Hensel
- Westfälische Wilhelms-Universität Münster, Institute for Pharmaceutical Biology and Phytochemistry (IPBP), Hittorfstraße 56, D-48149 - Münster, Germany
| | - M. J. Swamy
- University of Hyderabad, School of Chemistry, Hyderabad, Andra Pradesh, India
| | - L. David
- Université de Lyon, Université Claude Bernard Lyon 1, Laboratoire Ingénierie des Matériaux Polymères,
IMP CNRS UMR 5223, 15
Boulevard A. Latarjet, 69622 Villeurbanne Cedex, France
| | - C. Rochas
- CERMAV-CNRS, Domaine
Universitaire, BP 68, F-38402 Saint-Martin-d’Heres, France
| | - F. M. Goycoolea
- Westfälische Wilhelms-Universität Münster, Institute of Plant Biology and Biotechnology (IBBP), Schlossgarten 3, 48149 - Münster, Germany
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48
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Nganou AC, David L, Adir N, Pouhe D, Deen MJ, Mkandawire M. Evidence of additional excitation energy transfer pathways in the phycobiliprotein antenna system of Acaryochloris marina. Photochem Photobiol Sci 2015; 14:429-38. [DOI: 10.1039/c4pp00352g] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/01/2023]
Abstract
To improve the energy conversion efficiency of solar organic cells, the clue may lie in the development of devices inspired by an efficient light harvesting mechanism of some aquatic photosynthetic microorganisms that are adapted to low light intensity.
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Affiliation(s)
- A. C. Nganou
- Verschuren Centre for Sustainability in Energy and the Environment
- Cape Breton University
- Sydney
- Canada B1P 6L2
- Department of Chemistry
| | - L. David
- Schulich Faculty of Chemistry
- Technion-Israel Institute of Technology
- Haifa
- 32000 Israel
| | - N. Adir
- Schulich Faculty of Chemistry
- Technion-Israel Institute of Technology
- Haifa
- 32000 Israel
| | - D. Pouhe
- Reutlingen University
- 72762 Reutlingen
- Germany
| | - M. J. Deen
- Electrical and Computer Engineering
- McMaster University
- Ontario
- Canada L8S 4K1
| | - M. Mkandawire
- Verschuren Centre for Sustainability in Energy and the Environment
- Cape Breton University
- Sydney
- Canada B1P 6L2
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49
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Harris T, Kerry S, Victor C, Ekelund U, Woodcock A, Iliffe S, Whincup P, Beighton C, Ussher M, Limb E, David L, Brewin D, Adams F, Rogers A, Cook D. OP03 Does a complex intervention by primary care nurses increase walking in 60–75 year olds? Outcomes at three and twelve months from the PACE-Lift (Pedometer Accelerometer Consultation Evaluation – Lift) cluster randomised controlled trial. Br J Soc Med 2014. [DOI: 10.1136/jech-2014-204726.6] [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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50
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David L, Grosu A. Endothelial dysfunction is associated with elevated Asymmetric dimethylarginine levels in patients with AMI and abnormal glucose tolerance. Atherosclerosis 2014. [DOI: 10.1016/j.atherosclerosis.2014.05.672] [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] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 10/25/2022]
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