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Varian F, Dick J, Battersby C, Roman S, Ablott J, Watson L, Binmahfooz S, Zafar H, Colgan G, Cannon J, Suntharalingam J, Lordan J, Howard L, McCabe C, Wort J, Price L, Church C, Hamilton N, Armstrong I, Hameed A, Hurdman J, Elliot C, Condliffe R, Wilkins M, Webb A, Adlam D, Benza RL, Rahimi K, Shojaei‐Shahrokhabadi M, Lin NX, Wason JMS, McIntosh A, McConnachie A, Middleton JT, Thompson R, Kiely DG, Toshner M, Rothman A. Pulmonary Hypertension: Intensification and Personalization of Combination Rx (PHoenix): A phase IV randomized trial for the evaluation of dose-response and clinical efficacy of riociguat and selexipag using implanted technologies. Pulm Circ 2024; 14:e12337. [PMID: 38500737 PMCID: PMC10945040 DOI: 10.1002/pul2.12337] [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: 08/25/2023] [Revised: 12/19/2023] [Accepted: 01/02/2024] [Indexed: 03/20/2024] Open
Abstract
Approved therapies for the treatment of patients with pulmonary arterial hypertension (PAH) mediate pulmonary vascular vasodilatation by targeting distinct biological pathways. International guidelines recommend that patients with an inadequate response to dual therapy with a phosphodiesterase type-5 inhibitor (PDE5i) and endothelin receptor antagonist (ERA), are recommended to either intensify oral therapy by adding a selective prostacyclin receptor (IP) agonist (selexipag), or switching from PDE5i to a soluble guanylate-cyclase stimulator (sGCS; riociguat). The clinical equipoise between these therapeutic choices provides the opportunity for evaluation of individualized therapeutic effects. Traditionally, invasive/hospital-based investigations are required to comprehensively assess disease severity and demonstrate treatment benefits. Regulatory-approved, minimally invasive monitors enable equivalent measurements to be obtained while patients are at home. In this 2 × 2 randomized crossover trial, patients with PAH established on guideline-recommended dual therapy and implanted with CardioMEMS™ (a wireless pulmonary artery sensor) and ConfirmRx™ (an insertable cardiac rhythm monitor), will receive ERA + sGCS, or PDEi + ERA + IP agonist. The study will evaluate clinical efficacy via established clinical investigations and remote monitoring technologies, with remote data relayed through regulatory-approved online clinical portals. The primary aim will be the change in right ventricular systolic volume measured by magnetic resonance imaging (MRI) from baseline to maximal tolerated dose with each therapy. Using data from MRI and other outcomes, including hemodynamics, physical activity, physiological measurements, quality of life, and side effect reporting, we will determine whether remote technology facilitates early evaluation of clinical efficacy, and investigate intra-patient efficacy of the two treatment approaches.
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Affiliation(s)
- Frances Varian
- Division of Clinical MedicineUniversity of SheffieldSheffieldUK
- Sheffield Pulmonary Vascular Disease UnitSheffield Teaching Hospitals NHS Foundation TrustSheffieldUK
| | - Jennifer Dick
- Division of Clinical MedicineUniversity of SheffieldSheffieldUK
| | | | - Stefan Roman
- Sheffield Pulmonary Vascular Disease UnitSheffield Teaching Hospitals NHS Foundation TrustSheffieldUK
| | - Jenna Ablott
- Sheffield Pulmonary Vascular Disease UnitSheffield Teaching Hospitals NHS Foundation TrustSheffieldUK
| | - Lisa Watson
- Sheffield Pulmonary Vascular Disease UnitSheffield Teaching Hospitals NHS Foundation TrustSheffieldUK
| | | | - Hamza Zafar
- Division of Clinical MedicineUniversity of SheffieldSheffieldUK
- Sheffield Pulmonary Vascular Disease UnitSheffield Teaching Hospitals NHS Foundation TrustSheffieldUK
| | | | - John Cannon
- Royal Papworth Hospital NHS Foundation TrustCambridgeUK
| | | | - Jim Lordan
- Newcastle Hospitals NHS Foundation TrustNewcastleUK
| | - Luke Howard
- Imperial College Healthcare NHS TrustLondonUK
| | - Colm McCabe
- Royal Brompton and HarefieldGuy's and St Thomas' NHS Foundation TrustLondonUK
| | - John Wort
- NHS Greater Glasgow and ClydeGlasgowUK
| | | | - Colin Church
- National Heart and Lung Institute, Faculty of Medicine, Imperial College LondonLondonUK
| | - Neil Hamilton
- Sheffield Pulmonary Vascular Disease UnitSheffield Teaching Hospitals NHS Foundation TrustSheffieldUK
| | - Iain Armstrong
- Sheffield Pulmonary Vascular Disease UnitSheffield Teaching Hospitals NHS Foundation TrustSheffieldUK
| | - Abdul Hameed
- Sheffield Pulmonary Vascular Disease UnitSheffield Teaching Hospitals NHS Foundation TrustSheffieldUK
| | - Judith Hurdman
- Sheffield Pulmonary Vascular Disease UnitSheffield Teaching Hospitals NHS Foundation TrustSheffieldUK
| | - Charlie Elliot
- Sheffield Pulmonary Vascular Disease UnitSheffield Teaching Hospitals NHS Foundation TrustSheffieldUK
| | - Robin Condliffe
- Sheffield Pulmonary Vascular Disease UnitSheffield Teaching Hospitals NHS Foundation TrustSheffieldUK
| | - Martin Wilkins
- National Heart and Lung Institute, Faculty of Medicine, Imperial College LondonLondonUK
| | - Alastair Webb
- Wolfson Centre for Prevention of Stroke and DementiaUniversity of OxfordOxfordUK
| | - David Adlam
- Cardiovascular Research Unit of LeicesterLeicesterUK
| | - Ray L. Benza
- Mount Sinai HeartIcahn School of Medicine at Mount SinaiNew YorkNew YorkUSA
| | - Kazem Rahimi
- Deep Medicine, Nuffield Department of Women's and Reproductive HealthUniversity of OxfordOxfordUK
| | | | - Nan X. Lin
- Biostatistics Research Group, Population Health Sciences InstituteNewcastle UniversityNewcastle upon TyneUK
| | - James M. S. Wason
- Biostatistics Research Group, Population Health Sciences InstituteNewcastle UniversityNewcastle upon TyneUK
| | - Alasdair McIntosh
- Robertson Centre for Biostatistics, School of Health and WellbeingUniversity of GlasgowGlasgowUK
| | - Alex McConnachie
- Robertson Centre for Biostatistics, School of Health and WellbeingUniversity of GlasgowGlasgowUK
| | - Jennifer T. Middleton
- Division of Clinical MedicineUniversity of SheffieldSheffieldUK
- Sheffield Pulmonary Vascular Disease UnitSheffield Teaching Hospitals NHS Foundation TrustSheffieldUK
| | - Roger Thompson
- Division of Clinical MedicineUniversity of SheffieldSheffieldUK
- Sheffield Pulmonary Vascular Disease UnitSheffield Teaching Hospitals NHS Foundation TrustSheffieldUK
| | - David G. Kiely
- Division of Clinical MedicineUniversity of SheffieldSheffieldUK
- Sheffield Pulmonary Vascular Disease UnitSheffield Teaching Hospitals NHS Foundation TrustSheffieldUK
| | - Mark Toshner
- Department of Medicine, Heart and Lung Research InstituteUniversity of CambridgeCambridgeUK
| | - Alexander Rothman
- Division of Clinical MedicineUniversity of SheffieldSheffieldUK
- Sheffield Pulmonary Vascular Disease UnitSheffield Teaching Hospitals NHS Foundation TrustSheffieldUK
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Raman B, McCracken C, Cassar MP, Moss AJ, Finnigan L, Samat AHA, Ogbole G, Tunnicliffe EM, Alfaro-Almagro F, Menke R, Xie C, Gleeson F, Lukaschuk E, Lamlum H, McGlynn K, Popescu IA, Sanders ZB, Saunders LC, Piechnik SK, Ferreira VM, Nikolaidou C, Rahman NM, Ho LP, Harris VC, Shikotra A, Singapuri A, Pfeffer P, Manisty C, Kon OM, Beggs M, O'Regan DP, Fuld J, Weir-McCall JR, Parekh D, Steeds R, Poinasamy K, Cuthbertson DJ, Kemp GJ, Semple MG, Horsley A, Miller CA, O'Brien C, Shah AM, Chiribiri A, Leavy OC, Richardson M, Elneima O, McAuley HJC, Sereno M, Saunders RM, Houchen-Wolloff L, Greening NJ, Bolton CE, Brown JS, Choudhury G, Diar Bakerly N, Easom N, Echevarria C, Marks M, Hurst JR, Jones MG, Wootton DG, Chalder T, Davies MJ, De Soyza A, Geddes JR, Greenhalf W, Howard LS, Jacob J, Man WDC, Openshaw PJM, Porter JC, Rowland MJ, Scott JT, Singh SJ, Thomas DC, Toshner M, Lewis KE, Heaney LG, Harrison EM, Kerr S, Docherty AB, Lone NI, Quint J, Sheikh A, Zheng B, Jenkins RG, Cox E, 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Parkes M, McQueen A, Oliver C, Williams J, Paradowski K, Broad L, Knibbs L, Haynes M, Sabit R, Milligan L, Sampson C, Hancock A, Evenden C, Lynch C, Hancock K, Roche L, Rees M, Stroud N, Thomas-Woods T, Heller S, Robertson E, Young B, Wassall H, Babores M, Holland M, Keenan N, Shashaa S, Price C, Beranova E, Ramos H, Weston H, Deery J, Austin L, Solly R, Turney S, Cosier T, Hazelton T, Ralser M, Wilson A, Pearce L, Pugmire S, Stoker W, McCormick W, Dewar A, Arbane G, Kaltsakas G, Kerslake H, Rossdale J, Bisnauthsing K, Aguilar Jimenez LA, Martinez LM, Ostermann M, Magtoto MM, Hart N, Marino P, Betts S, Solano TS, Arias AM, Prabhu A, Reed A, Wrey Brown C, Griffin D, Bevan E, Martin J, Owen J, Alvarez Corral M, Williams N, Payne S, Storrar W, Layton A, Lawson C, Mills C, Featherstone J, Stephenson L, Burdett T, Ellis Y, Richards A, Wright C, Sykes DL, Brindle K, Drury K, Holdsworth L, Crooks MG, Atkin P, Flockton R, Thackray-Nocera S, Mohamed A, Taylor A, Perkins E, Ross G, McGuinness H, Tench H, Phipps J, Loosley R, Wolf-Roberts R, Coetzee S, Omar Z, Ross A, Card B, Carr C, King C, Wood C, Copeland D, Calvelo E, Chilvers ER, Russell E, Gordon H, Nunag JL, Schronce J, March K, Samuel K, Burden L, Evison L, McLeavey L, Orriss-Dib L, Tarusan L, Mariveles M, Roy M, Mohamed N, Simpson N, Yasmin N, Cullinan P, Daly P, Haq S, Moriera S, Fayzan T, Munawar U, Nwanguma U, Lingford-Hughes A, Altmann D, Johnston D, Mitchell J, Valabhji J, Price L, Molyneaux PL, Thwaites RS, Walsh S, Frankel A, Lightstone L, Wilkins M, Willicombe M, McAdoo S, Touyz R, Guerdette AM, Warwick K, Hewitt M, Reddy R, White S, McMahon A, Hoare A, Knighton A, Ramos A, Te A, Jolley CJ, Speranza F, Assefa-Kebede H, Peralta I, Breeze J, Shevket K, Powell N, Adeyemi O, Dulawan P, Adrego R, Byrne S, Patale S, Hayday A, Malim M, Pariante C, Sharpe C, Whitney J, Bramham K, Ismail K, Wessely S, Nicholson T, Ashworth A, Humphries A, Tan AL, Whittam B, Coupland C, Favager C, Peckham D, Wade E, Saalmink G, Clarke J, Glossop J, Murira J, Rangeley J, Woods J, Hall L, Dalton M, Window N, Beirne P, Hardy T, Coakley G, Turtle L, Berridge A, Cross A, Key AL, Rowe A, Allt AM, Mears C, Malein F, Madzamba G, Hardwick HE, Earley J, Hawkes J, Pratt J, Wyles J, Tripp KA, Hainey K, Allerton L, Lavelle-Langham L, Melling L, Wajero LO, Poll L, Noonan MJ, French N, Lewis-Burke N, Williams-Howard SA, Cooper S, Kaprowska S, Dobson SL, Marsh S, Highett V, Shaw V, Beadsworth M, Defres S, Watson E, Tiongson GF, Papineni P, Gurram S, Diwanji SN, Quaid S, Briggs A, Hastie C, Rogers N, Stensel D, Bishop L, McIvor K, Rivera-Ortega P, Al-Sheklly B, Avram C, Faluyi D, Blaikely J, Piper Hanley K, Radhakrishnan K, Buch M, Hanley NA, Odell N, Osbourne R, Stockdale S, Felton T, Gorsuch T, Hussell T, Kausar Z, Kabir T, McAllister-Williams H, Paddick S, Burn D, Ayoub A, Greenhalgh A, Sayer A, Young A, Price D, Burns G, MacGowan G, Fisher H, Tedd H, Simpson J, Jiwa K, Witham M, Hogarth P, West S, Wright S, McMahon MJ, Neill P, Dougherty A, Morrow A, Anderson D, Grieve D, Bayes H, Fallon K, Mangion K, Gilmour L, Basu N, Sykes R, Berry C, McInnes IB, Donaldson A, Sage EK, Barrett F, Welsh B, Bell M, Quigley J, Leitch K, Macliver L, Patel M, Hamil R, Deans A, Furniss J, Clohisey S, Elliott A, Solstice AR, Deas C, Tee C, Connell D, Sutherland D, George J, Mohammed S, Bunker J, Holmes K, Dipper A, Morley A, Arnold D, Adamali H, Welch H, Morrison L, Stadon L, Maskell N, Barratt S, Dunn S, Waterson S, Jayaraman B, Light T, Selby N, Hosseini A, Shaw K, Almeida P, Needham R, Thomas AK, Matthews L, Gupta A, Nikolaidis A, Dupont C, Bonnington J, Chrystal M, Greenhaff PL, Linford S, Prosper S, Jang W, Alamoudi A, Bloss A, Megson C, Nicoll D, Fraser E, Pacpaco E, Conneh F, Ogg G, McShane H, Koychev I, Chen J, Pimm J, Ainsworth M, Pavlides M, Sharpe M, Havinden-Williams M, Petousi N, Talbot N, Carter P, Kurupati P, Dong T, Peng Y, Burns A, Kanellakis N, Korszun A, Connolly B, Busby J, Peto T, Patel B, Nolan CM, Cristiano D, Walsh JA, Liyanage K, Gummadi M, Dormand N, Polgar O, George P, Barker RE, Patel S, Price L, Gibbons M, Matila D, Jarvis H, Lim L, Olaosebikan O, Ahmad S, Brill S, Mandal S, Laing C, Michael A, Reddy A, Johnson C, Baxendale H, Parfrey H, Mackie J, Newman J, Pack J, Parmar J, Paques K, Garner L, Harvey A, Summersgill C, Holgate D, Hardy E, Oxton J, Pendlebury J, McMorrow L, Mairs N, Majeed N, Dark P, Ugwuoke R, Knight S, Whittaker S, Strong-Sheldrake S, Matimba-Mupaya W, Chowienczyk P, Pattenadk D, Hurditch E, Chan F, Carborn H, Foot H, Bagshaw J, Hockridge J, Sidebottom J, Lee JH, Birchall K, Turner K, Haslam L, Holt L, Milner L, Begum M, Marshall M, Steele N, Tinker N, Ravencroft P, Butcher R, Misra S, Walker S, Coburn Z, Fairman A, Ford A, Holbourn A, Howell A, Lawrie A, Lye A, Mbuyisa A, Zawia A, Holroyd-Hind B, Thamu B, Clark C, Jarman C, Norman C, Roddis C, Foote D, Lee E, Ilyas F, Stephens G, Newell H, Turton H, Macharia I, Wilson I, Cole J, McNeill J, Meiring J, Rodger J, Watson J, Chapman K, Harrington K, Chetham L, Hesselden L, Nwafor L, Dixon M, Plowright M, Wade P, Gregory R, Lenagh R, Stimpson R, Megson S, Newman T, Cheng Y, Goodwin C, Heeley C, Sissons D, Sowter D, Gregory H, Wynter I, Hutchinson J, Kirk J, Bennett K, Slack K, Allsop L, Holloway L, Flynn M, Gill M, Greatorex M, Holmes M, Buckley P, Shelton S, Turner S, Sewell TA, Whitworth V, Lovegrove W, Tomlinson J, Warburton L, Painter S, Vickers C, Redwood D, Tilley J, Palmer S, Wainwright T, Breen G, Hotopf M, Dunleavy A, Teixeira J, Ali M, Mencias M, Msimanga N, Siddique S, Samakomva T, Tavoukjian V, Forton D, Ahmed R, Cook A, Thaivalappil F, Connor L, Rees T, McNarry M, Williams N, McCormick J, McIntosh J, Vere J, Coulding M, Kilroy S, Turner V, Butt AT, Savill H, Fraile E, Ugoji J, Landers G, Lota H, Portukhay S, Nasseri M, Daniels A, Hormis A, Ingham J, Zeidan L, Osborne L, Chablani M, Banerjee A, David A, Pakzad A, Rangelov B, Williams B, Denneny E, Willoughby J, Xu M, Mehta P, Batterham R, Bell R, Aslani S, Lilaonitkul W, Checkley A, Bang D, Basire D, Lomas D, Wall E, Plant H, Roy K, Heightman M, Lipman M, Merida Morillas M, Ahwireng N, Chambers RC, Jastrub R, Logan S, Hillman T, Botkai A, Casey A, Neal A, Newton-Cox A, Cooper B, Atkin C, McGee C, Welch C, Wilson D, Sapey E, Qureshi H, Hazeldine J, Lord JM, Nyaboko J, Short J, Stockley J, Dasgin J, Draxlbauer K, Isaacs K, Mcgee K, Yip KP, Ratcliffe L, Bates M, Ventura M, Ahmad Haider N, Gautam N, Baggott R, Holden S, Madathil S, Walder S, Yasmin S, Hiwot T, Jackson T, Soulsby T, Kamwa V, Peterkin Z, Suleiman Z, Chaudhuri N, Wheeler H, Djukanovic R, Samuel R, Sass T, Wallis T, Marshall B, Childs C, Marouzet E, Harvey M, Fletcher S, Dickens C, Beckett P, Nanda U, Daynes E, Charalambou A, Yousuf AJ, Lea A, Prickett A, Gooptu B, Hargadon B, Bourne C, Christie C, Edwardson C, Lee D, Baldry E, Stringer E, Woodhead F, Mills G, Arnold H, Aung H, Qureshi IN, Finch J, Skeemer J, Hadley K, Khunti K, Carr L, Ingram L, Aljaroof M, Bakali M, Bakau M, Baldwin M, Bourne M, Pareek M, Soares M, Tobin M, Armstrong N, Brunskill N, Goodman N, Cairns P, Haldar P, McCourt P, Dowling R, Russell R, Diver S, Edwards S, Glover S, Parker S, Siddiqui S, Ward TJC, Mcnally T, Thornton T, Yates T, Ibrahim W, Monteiro W, Thickett D, Wilkinson D, Broome M, McArdle P, Upthegrove R, Wraith D, Langenberg C, Summers C, Bullmore E, Heeney JL, Schwaeble W, Sudlow CL, Adeloye D, Newby DE, Rudan I, Shankar-Hari M, Thorpe M, Pius R, Walmsley S, McGovern A, Ballard C, Allan L, Dennis J, Cavanagh J, Petrie J, O'Donnell K, Spears M, Sattar N, MacDonald S, Guthrie E, Henderson M, Guillen Guio B, Zhao B, Lawson C, Overton C, Taylor C, Tong C, Mukaetova-Ladinska E, Turner E, Pearl JE, Sargant J, Wormleighton J, Bingham M, Sharma M, Steiner M, Samani N, Novotny P, Free R, Allen RJ, Finney S, Terry S, Brugha T, Plekhanova T, McArdle A, Vinson B, Spencer LG, Reynolds W, Ashworth M, Deakin B, Chinoy H, Abel K, Harvie M, Stanel S, Rostron A, Coleman C, Baguley D, Hufton E, Khan F, Hall I, Stewart I, Fabbri L, Wright L, Kitterick P, Morriss R, Johnson S, Bates A, Antoniades C, Clark D, Bhui K, Channon KM, Motohashi K, Sigfrid L, Husain M, Webster M, Fu X, Li X, Kingham L, Klenerman P, Miiler K, Carson G, Simons G, Huneke N, Calder PC, Baldwin D, Bain S, Lasserson D, Daines L, Bright E, Stern M, Crisp P, Dharmagunawardena R, Reddington A, Wight A, Bailey L, Ashish A, Robinson E, Cooper J, Broadley A, Turnbull A, Brookes C, Sarginson C, Ionita D, Redfearn H, Elliott K, Barman L, Griffiths L, Guy Z, Gill R, Nathu R, Harris E, Moss P, Finnigan J, Saunders K, Saunders P, Kon S, Kon SS, O'Brien L, Shah K, Shah P, Richardson E, Brown V, Brown M, Brown J, Brown J, Brown A, Brown A, Brown M, Choudhury N, Jones S, Jones H, Jones L, Jones I, Jones G, Jones H, Jones D, Davies F, Davies E, Davies K, Davies G, Davies GA, Howard K, Porter J, Rowland J, Rowland A, Scott K, Singh S, Singh C, Thomas S, Thomas C, Lewis V, Lewis J, Lewis D, Harrison P, Francis C, Francis R, Hughes RA, Hughes J, Hughes AD, Thompson T, Kelly S, Smith D, Smith N, Smith A, Smith J, Smith L, Smith S, Evans T, Evans RI, Evans D, Evans R, Evans H, Evans J. Multiorgan MRI findings after hospitalisation with COVID-19 in the UK (C-MORE): a prospective, multicentre, observational cohort study. Lancet Respir Med 2023; 11:1003-1019. [PMID: 37748493 PMCID: PMC7615263 DOI: 10.1016/s2213-2600(23)00262-x] [Citation(s) in RCA: 7] [Impact Index Per Article: 7.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 02/08/2023] [Revised: 06/16/2023] [Accepted: 06/30/2023] [Indexed: 09/27/2023]
Abstract
INTRODUCTION The multiorgan impact of moderate to severe coronavirus infections in the post-acute phase is still poorly understood. We aimed to evaluate the excess burden of multiorgan abnormalities after hospitalisation with COVID-19, evaluate their determinants, and explore associations with patient-related outcome measures. METHODS In a prospective, UK-wide, multicentre MRI follow-up study (C-MORE), adults (aged ≥18 years) discharged from hospital following COVID-19 who were included in Tier 2 of the Post-hospitalisation COVID-19 study (PHOSP-COVID) and contemporary controls with no evidence of previous COVID-19 (SARS-CoV-2 nucleocapsid antibody negative) underwent multiorgan MRI (lungs, heart, brain, liver, and kidneys) with quantitative and qualitative assessment of images and clinical adjudication when relevant. Individuals with end-stage renal failure or contraindications to MRI were excluded. Participants also underwent detailed recording of symptoms, and physiological and biochemical tests. The primary outcome was the excess burden of multiorgan abnormalities (two or more organs) relative to controls, with further adjustments for potential confounders. The C-MORE study is ongoing and is registered with ClinicalTrials.gov, NCT04510025. FINDINGS Of 2710 participants in Tier 2 of PHOSP-COVID, 531 were recruited across 13 UK-wide C-MORE sites. After exclusions, 259 C-MORE patients (mean age 57 years [SD 12]; 158 [61%] male and 101 [39%] female) who were discharged from hospital with PCR-confirmed or clinically diagnosed COVID-19 between March 1, 2020, and Nov 1, 2021, and 52 non-COVID-19 controls from the community (mean age 49 years [SD 14]; 30 [58%] male and 22 [42%] female) were included in the analysis. Patients were assessed at a median of 5·0 months (IQR 4·2-6·3) after hospital discharge. Compared with non-COVID-19 controls, patients were older, living with more obesity, and had more comorbidities. Multiorgan abnormalities on MRI were more frequent in patients than in controls (157 [61%] of 259 vs 14 [27%] of 52; p<0·0001) and independently associated with COVID-19 status (odds ratio [OR] 2·9 [95% CI 1·5-5·8]; padjusted=0·0023) after adjusting for relevant confounders. Compared with controls, patients were more likely to have MRI evidence of lung abnormalities (p=0·0001; parenchymal abnormalities), brain abnormalities (p<0·0001; more white matter hyperintensities and regional brain volume reduction), and kidney abnormalities (p=0·014; lower medullary T1 and loss of corticomedullary differentiation), whereas cardiac and liver MRI abnormalities were similar between patients and controls. Patients with multiorgan abnormalities were older (difference in mean age 7 years [95% CI 4-10]; mean age of 59·8 years [SD 11·7] with multiorgan abnormalities vs mean age of 52·8 years [11·9] without multiorgan abnormalities; p<0·0001), more likely to have three or more comorbidities (OR 2·47 [1·32-4·82]; padjusted=0·0059), and more likely to have a more severe acute infection (acute CRP >5mg/L, OR 3·55 [1·23-11·88]; padjusted=0·025) than those without multiorgan abnormalities. Presence of lung MRI abnormalities was associated with a two-fold higher risk of chest tightness, and multiorgan MRI abnormalities were associated with severe and very severe persistent physical and mental health impairment (PHOSP-COVID symptom clusters) after hospitalisation. INTERPRETATION After hospitalisation for COVID-19, people are at risk of multiorgan abnormalities in the medium term. Our findings emphasise the need for proactive multidisciplinary care pathways, with the potential for imaging to guide surveillance frequency and therapeutic stratification. FUNDING UK Research and Innovation and National Institute for Health Research.
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Yeh FC, Chen CN, Xie CY, Baxan N, Zhao L, Ashek A, Sabrin F, Lawrie A, Wilkins M, Zhao L. TLR7/8 activation induces autoimmune vasculopathy and causes severe pulmonary arterial hypertension. Eur Respir J 2023:13993003.00204-2023. [PMID: 37290790 PMCID: PMC10356963 DOI: 10.1183/13993003.00204-2023] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/30/2022] [Accepted: 05/30/2023] [Indexed: 06/10/2023]
Affiliation(s)
- Fu-Chiang Yeh
- National Heart and Lung Institute, Faculty of Medicine, Imperial College London, Hammersmith Hospital, , London, UK
| | - Chien-Nien Chen
- National Heart and Lung Institute, Faculty of Medicine, Imperial College London, Hammersmith Hospital, , London, UK
| | - Chong-Yang Xie
- National Heart and Lung Institute, Faculty of Medicine, Imperial College London, Hammersmith Hospital, , London, UK
| | - Nicoleta Baxan
- National Heart and Lung Institute, Faculty of Medicine, Imperial College London, Hammersmith Hospital, , London, UK
| | - Lin Zhao
- National Heart and Lung Institute, Faculty of Medicine, Imperial College London, Hammersmith Hospital, , London, UK
| | - Ali Ashek
- National Heart and Lung Institute, Faculty of Medicine, Imperial College London, Hammersmith Hospital, , London, UK
| | - Farah Sabrin
- National Heart and Lung Institute, Faculty of Medicine, Imperial College London, Hammersmith Hospital, , London, UK
| | - Allan Lawrie
- National Heart and Lung Institute, Faculty of Medicine, Imperial College London, Hammersmith Hospital, , London, UK
| | - Martin Wilkins
- National Heart and Lung Institute, Faculty of Medicine, Imperial College London, Hammersmith Hospital, , London, UK
| | - Lan Zhao
- National Heart and Lung Institute, Faculty of Medicine, Imperial College London, Hammersmith Hospital, , London, UK
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Howard L, Kiely DG, Lawrie A, Maron BA, Preston I, Rosenkranz S, Toshner M, Wilkins M, Fong YL, Quinn D, Stamatiadis D, Villeneuve M, Chin K. PERFORMANCE OF THE ESC/ERS GUIDELINES FOR ASSESSING THE PROBABILITY OF PULMONARY HYPERTENSION (PH) BY TRANSTHORACIC ECHOCARDIOGRAM (TTE): AN ANALYSIS OF INCIDENT PATIENTS FROM THE CIPHER STUDY. J Am Coll Cardiol 2023. [DOI: 10.1016/s0735-1097(23)02366-5] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 03/06/2023]
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Vinson B, Wade E, Wade P, Wainwright T, Wajero LO, Walder S, Walker S, Walker S, Wall E, Wallis T, Walmsley S, Walsh JA, Walsh S, Warburton L, Ward TJC, Warwick K, Wassall H, Waterson S, Watson E, Watson L, Watson J, Welch C, Welch H, Welsh B, Wessely S, West S, Weston H, Wheeler H, White S, Whitehead V, Whitney J, Whittaker S, Whittam B, Whitworth V, Wight A, Wild J, Wilkins M, Wilkinson D, Williams N, Williams N, Williams J, Williams-Howard SA, Willicombe M, Willis G, Willoughby J, Wilson A, Wilson D, Wilson I, Window N, Witham M, Wolf-Roberts R, Wood C, Woodhead F, Woods J, Wormleighton J, Worsley J, Wraith D, Wrey Brown C, Wright C, Wright L, Wright S, Wyles J, Wynter I, Xu M, Yasmin N, Yasmin S, Yates T, Yip KP, Young B, Young S, Young A, Yousuf AJ, Zawia A, Zeidan L, Zhao B, Zongo O. Clinical characteristics with inflammation profiling of long COVID and association with 1-year recovery following hospitalisation in the UK: a prospective observational study. Lancet Respir Med 2022; 10:761-775. [PMID: 35472304 PMCID: PMC9034855 DOI: 10.1016/s2213-2600(22)00127-8] [Citation(s) in RCA: 144] [Impact Index Per Article: 72.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 01/04/2022] [Revised: 03/23/2022] [Accepted: 03/31/2022] [Indexed: 11/25/2022]
Abstract
BACKGROUND No effective pharmacological or non-pharmacological interventions exist for patients with long COVID. We aimed to describe recovery 1 year after hospital discharge for COVID-19, identify factors associated with patient-perceived recovery, and identify potential therapeutic targets by describing the underlying inflammatory profiles of the previously described recovery clusters at 5 months after hospital discharge. METHODS The Post-hospitalisation COVID-19 study (PHOSP-COVID) is a prospective, longitudinal cohort study recruiting adults (aged ≥18 years) discharged from hospital with COVID-19 across the UK. Recovery was assessed using patient-reported outcome measures, physical performance, and organ function at 5 months and 1 year after hospital discharge, and stratified by both patient-perceived recovery and recovery cluster. Hierarchical logistic regression modelling was performed for patient-perceived recovery at 1 year. Cluster analysis was done using the clustering large applications k-medoids approach using clinical outcomes at 5 months. Inflammatory protein profiling was analysed from plasma at the 5-month visit. This study is registered on the ISRCTN Registry, ISRCTN10980107, and recruitment is ongoing. FINDINGS 2320 participants discharged from hospital between March 7, 2020, and April 18, 2021, were assessed at 5 months after discharge and 807 (32·7%) participants completed both the 5-month and 1-year visits. 279 (35·6%) of these 807 patients were women and 505 (64·4%) were men, with a mean age of 58·7 (SD 12·5) years, and 224 (27·8%) had received invasive mechanical ventilation (WHO class 7-9). The proportion of patients reporting full recovery was unchanged between 5 months (501 [25·5%] of 1965) and 1 year (232 [28·9%] of 804). Factors associated with being less likely to report full recovery at 1 year were female sex (odds ratio 0·68 [95% CI 0·46-0·99]), obesity (0·50 [0·34-0·74]) and invasive mechanical ventilation (0·42 [0·23-0·76]). Cluster analysis (n=1636) corroborated the previously reported four clusters: very severe, severe, moderate with cognitive impairment, and mild, relating to the severity of physical health, mental health, and cognitive impairment at 5 months. We found increased inflammatory mediators of tissue damage and repair in both the very severe and the moderate with cognitive impairment clusters compared with the mild cluster, including IL-6 concentration, which was increased in both comparisons (n=626 participants). We found a substantial deficit in median EQ-5D-5L utility index from before COVID-19 (retrospective assessment; 0·88 [IQR 0·74-1·00]), at 5 months (0·74 [0·64-0·88]) to 1 year (0·75 [0·62-0·88]), with minimal improvements across all outcome measures at 1 year after discharge in the whole cohort and within each of the four clusters. INTERPRETATION The sequelae of a hospital admission with COVID-19 were substantial 1 year after discharge across a range of health domains, with the minority in our cohort feeling fully recovered. Patient-perceived health-related quality of life was reduced at 1 year compared with before hospital admission. Systematic inflammation and obesity are potential treatable traits that warrant further investigation in clinical trials. FUNDING UK Research and Innovation and National Institute for Health Research.
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Evaluation of prognostic risk models for postoperative pulmonary complications in adult patients undergoing major abdominal surgery: a systematic review and international external validation cohort study. Lancet Digit Health 2022; 4:e520-e531. [PMID: 35750401 DOI: 10.1016/s2589-7500(22)00069-3] [Citation(s) in RCA: 6] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/15/2021] [Revised: 01/07/2022] [Accepted: 04/06/2022] [Indexed: 06/15/2023]
Abstract
BACKGROUND Stratifying risk of postoperative pulmonary complications after major abdominal surgery allows clinicians to modify risk through targeted interventions and enhanced monitoring. In this study, we aimed to identify and validate prognostic models against a new consensus definition of postoperative pulmonary complications. METHODS We did a systematic review and international external validation cohort study. The systematic review was done in accordance with the Preferred Reporting Items for Systematic Reviews and Meta-Analyses guidelines. We searched MEDLINE and Embase on March 1, 2020, for articles published in English that reported on risk prediction models for postoperative pulmonary complications following abdominal surgery. External validation of existing models was done within a prospective international cohort study of adult patients (≥18 years) undergoing major abdominal surgery. Data were collected between Jan 1, 2019, and April 30, 2019, in the UK, Ireland, and Australia. Discriminative ability and prognostic accuracy summary statistics were compared between models for the 30-day postoperative pulmonary complication rate as defined by the Standardised Endpoints in Perioperative Medicine Core Outcome Measures in Perioperative and Anaesthetic Care (StEP-COMPAC). Model performance was compared using the area under the receiver operating characteristic curve (AUROCC). FINDINGS In total, we identified 2903 records from our literature search; of which, 2514 (86·6%) unique records were screened, 121 (4·8%) of 2514 full texts were assessed for eligibility, and 29 unique prognostic models were identified. Nine (31·0%) of 29 models had score development reported only, 19 (65·5%) had undergone internal validation, and only four (13·8%) had been externally validated. Data to validate six eligible models were collected in the international external validation cohort study. Data from 11 591 patients were available, with an overall postoperative pulmonary complication rate of 7·8% (n=903). None of the six models showed good discrimination (defined as AUROCC ≥0·70) for identifying postoperative pulmonary complications, with the Assess Respiratory Risk in Surgical Patients in Catalonia score showing the best discrimination (AUROCC 0·700 [95% CI 0·683-0·717]). INTERPRETATION In the pre-COVID-19 pandemic data, variability in the risk of pulmonary complications (StEP-COMPAC definition) following major abdominal surgery was poorly described by existing prognostication tools. To improve surgical safety during the COVID-19 pandemic recovery and beyond, novel risk stratification tools are required. FUNDING British Journal of Surgery Society.
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Novoyatleva T, Rai N, Kojonazarov B, Veeroju S, Ben-Batalla I, Caruso P, Shihan M, Presser N, Götz E, Lepper C, Herpel S, Manaud G, Perros F, Gall H, Ghofrani HA, Weissmann N, Grimminger F, Wharton J, Wilkins M, Upton PD, Loges S, Morrell NW, Seeger W, Schermuly RT. Author Correction: Deficiency of Axl aggravates pulmonary arterial hypertension via BMPR2. Commun Biol 2022; 5:97. [PMID: 35058570 PMCID: PMC8776865 DOI: 10.1038/s42003-022-03045-0] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/24/2022] Open
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8
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Smolnikov A, Oates E, Wilkins M. APPLICATION OF NEXT GENERATION TECHNOLOGIES. Neuromuscul Disord 2021. [DOI: 10.1016/j.nmd.2021.07.338] [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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9
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Toshner M, Church C, Harbaum L, Rhodes C, Villar Moreschi SS, Liley J, Jones R, Arora A, Batai K, Desai AA, Coghlan JG, Gibbs JSR, Gor D, Gräf S, Harlow L, Hernandez-Sanchez J, Howard LS, Humbert M, Karnes J, Kiely DG, Kittles R, Knightbridge E, Lam B, Lutz KA, Nichols WC, Pauciulo MW, Pepke-Zaba J, Suntharalingam J, Soubrier F, Trembath RC, Schwantes-An THL, Wort SJ, Wilkins M, Gaine S, Morrell NW, Corris PA. Mendelian randomisation and experimental medicine approaches to IL-6 as a drug target in PAH. Eur Respir J 2021; 59:13993003.02463-2020. [PMID: 34588193 PMCID: PMC8907935 DOI: 10.1183/13993003.02463-2020] [Citation(s) in RCA: 21] [Impact Index Per Article: 7.0] [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: 06/23/2020] [Accepted: 07/15/2021] [Indexed: 11/21/2022]
Abstract
Background Inflammation and dysregulated immunity are important in the development of pulmonary arterial hypertension (PAH). Compelling preclinical data supports the therapeutic blockade of interleukin-6 (IL-6) signalling. Methods We conducted a phase 2 open-label study of intravenous tocilizumab (8 mg·kg−1) over 6 months in patients with group 1 PAH. Co-primary end-points were safety, defined by incidence and severity of adverse events, and change in pulmonary vascular resistance. Separately, a mendelian randomisation study was undertaken on 11 744 individuals with European ancestry including 2085 patients with idiopathic/heritable disease for the IL-6 receptor (IL6R) variant (rs7529229), known to associate with circulating IL-6R levels. Results We recruited 29 patients (male/female 10/19; mean±sd age 54.9±11.4 years). Of these, 19 had heritable/idiopathic PAH and 10 had connective tissue disease-associated PAH. Six were withdrawn prior to drug administration; 23 patients received at least one dose of tocilizumab. Tocilizumab was discontinued in four patients owing to serious adverse events. There were no deaths. Despite evidence of target engagement in plasma IL-6 and C-reactive protein levels, both intention-to-treat and modified intention-to-treat analyses demonstrated no change in pulmonary vascular resistance. Inflammatory markers did not predict treatment response. Mendelian randomisation did not support an effect of the lead IL6R variant on risk of PAH (OR 0.99, p=0.88). Conclusion Adverse events were consistent with the known safety profile of tocilizumab. Tocilizumab did not show any consistent treatment effect. Tocilizumab did not block IL-6 signalling in pulmonary arterial hypertension. Multicentre mendelian randomisation studies additionally did not demonstrate evidence for IL-6R in pulmonary arterial hypertension.https://bit.ly/3xkDxS5
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Affiliation(s)
- Mark Toshner
- Department of Medicine, University of Cambridge, Cambridge, UK .,Royal Papworth Hospital, Cambridge, UK.,Authors contributed equally to this work
| | - Colin Church
- Golden Jubilee Hospital, Glasgow, UK.,Authors contributed equally to this work
| | - Lars Harbaum
- Heart Lung Research Institute, Imperial College, London, UK
| | | | | | - James Liley
- Department of Medicine, University of Cambridge, Cambridge, UK.,MRC Biostatistical Unit, University of Cambridge, Cambridge, UK
| | - Rowena Jones
- Department of Medicine, University of Cambridge, Cambridge, UK
| | - Amit Arora
- Department of Epidemiology and Biostatistics, University of Arizona, Arizona, US
| | - Ken Batai
- Department of Urology, University of Arizona, Arizona, US
| | - Ankit A Desai
- Department of Medicine, Indiana University, Indiana, US
| | | | | | - Dee Gor
- Roche Products Limited, Welwyn Garden City, UK
| | - Stefan Gräf
- Department of Medicine, University of Cambridge, Cambridge, UK
| | | | | | - Luke S Howard
- Heart Lung Research Institute, Imperial College, London, UK
| | - Marc Humbert
- Université Paris-Sud, Le Kremlin-Bicêtre, Paris, France
| | - Jason Karnes
- Department of Epidemiology and Biostatistics, University of Arizona, Arizona, US
| | | | - Rick Kittles
- Department of Epidemiology and Biostatistics, University of Arizona, Arizona, US
| | | | - Brian Lam
- Institute of Metabolic Sciences, University of Cambridge, Cambridge, UK
| | - Katie A Lutz
- Division of Human Genetics, Cincinnati Children's Hospital Medical Center, Cincinnati, US
| | - William C Nichols
- Division of Human Genetics, Cincinnati Children's Hospital Medical Center, Cincinnati, US
| | - Michael W Pauciulo
- Division of Human Genetics, Cincinnati Children's Hospital Medical Center, Cincinnati, US
| | | | | | | | | | | | - S John Wort
- Heart Lung Research Institute, Imperial College, London, UK
| | - Martin Wilkins
- Heart Lung Research Institute, Imperial College, London, UK
| | - Sean Gaine
- Mater Misericordiae University Hospital, Dublin, Ireland
| | - Nicholas W Morrell
- Department of Medicine, University of Cambridge, Cambridge, UK.,Authors contributed equally to this work
| | - Paul A Corris
- Department of Medicine, Newcastle University, Newcastle, UK.,Authors contributed equally to this work
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10
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Novoyatleva T, Rai N, Kojonazarov B, Veeroju S, Ben-Batalla I, Caruso P, Shihan M, Presser N, Götz E, Lepper C, Herpel S, Manaud G, Perros F, Gall H, Ghofrani HA, Weissmann N, Grimminger F, Wharton J, Wilkins M, Upton PD, Loges S, Morrell NW, Seeger W, Schermuly RT. Deficiency of Axl aggravates pulmonary arterial hypertension via BMPR2. Commun Biol 2021; 4:1002. [PMID: 34429509 PMCID: PMC8385080 DOI: 10.1038/s42003-021-02531-1] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/26/2020] [Accepted: 08/05/2021] [Indexed: 11/16/2022] Open
Abstract
Pulmonary arterial hypertension (PAH), is a fatal disease characterized by a pseudo-malignant phenotype. We investigated the expression and the role of the receptor tyrosine kinase Axl in experimental (i.e., monocrotaline and Su5416/hypoxia treated rats) and clinical PAH. In vitro Axl inhibition by R428 and Axl knock-down inhibited growth factor-driven proliferation and migration of non-PAH and PAH PASMCs. Conversely, Axl overexpression conferred a growth advantage. Axl declined in PAECs of PAH patients. Axl blockage inhibited BMP9 signaling and increased PAEC apoptosis, while BMP9 induced Axl phosphorylation. Gas6 induced SMAD1/5/8 phosphorylation and ID1/ID2 increase were blunted by BMP signaling obstruction. Axl association with BMPR2 was facilitated by Gas6/BMP9 stimulation and diminished by R428. In vivo R428 aggravated right ventricular hypertrophy and dysfunction, abrogated BMPR2 signaling, elevated pulmonary endothelial cell apoptosis and loss. Together, Axl is a key regulator of endothelial BMPR2 signaling and potential determinant of PAH.
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Affiliation(s)
- Tatyana Novoyatleva
- Universities of Giessen and Marburg Lung Center (UGMLC), Excellence Cluster Cardio-Pulmonary System (ECCPS), Member of the German Center for Lung Research (DZL), Justus-Liebig-University Giessen, Giessen, Germany.
| | - Nabham Rai
- Universities of Giessen and Marburg Lung Center (UGMLC), Excellence Cluster Cardio-Pulmonary System (ECCPS), Member of the German Center for Lung Research (DZL), Justus-Liebig-University Giessen, Giessen, Germany
| | - Baktybek Kojonazarov
- Universities of Giessen and Marburg Lung Center (UGMLC), Excellence Cluster Cardio-Pulmonary System (ECCPS), Member of the German Center for Lung Research (DZL), Justus-Liebig-University Giessen, Giessen, Germany
- Institute for Lung Health, Giessen, Germany
| | - Swathi Veeroju
- Universities of Giessen and Marburg Lung Center (UGMLC), Excellence Cluster Cardio-Pulmonary System (ECCPS), Member of the German Center for Lung Research (DZL), Justus-Liebig-University Giessen, Giessen, Germany
| | - Isabel Ben-Batalla
- Department of Oncology, Hematology and Bone Marrow Transplantation with section Pneumology, Hubertus Wald University Comprehensive Cancer Center Hamburg, University Medical Center Hamburg-Eppendorf, Hamburg, Germany
- Department of Tumor Biology, Center of Experimental Medicine, University Medical Center Hamburg-Eppendorf, Hamburg, Germany
| | - Paola Caruso
- Department of Medicine, University of Cambridge, Cambridge, UK
| | - Mazen Shihan
- Universities of Giessen and Marburg Lung Center (UGMLC), Excellence Cluster Cardio-Pulmonary System (ECCPS), Member of the German Center for Lung Research (DZL), Justus-Liebig-University Giessen, Giessen, Germany
| | - Nadine Presser
- Universities of Giessen and Marburg Lung Center (UGMLC), Excellence Cluster Cardio-Pulmonary System (ECCPS), Member of the German Center for Lung Research (DZL), Justus-Liebig-University Giessen, Giessen, Germany
| | - Elsa Götz
- Universities of Giessen and Marburg Lung Center (UGMLC), Excellence Cluster Cardio-Pulmonary System (ECCPS), Member of the German Center for Lung Research (DZL), Justus-Liebig-University Giessen, Giessen, Germany
| | - Carina Lepper
- Universities of Giessen and Marburg Lung Center (UGMLC), Excellence Cluster Cardio-Pulmonary System (ECCPS), Member of the German Center for Lung Research (DZL), Justus-Liebig-University Giessen, Giessen, Germany
| | - Sebastian Herpel
- Universities of Giessen and Marburg Lung Center (UGMLC), Excellence Cluster Cardio-Pulmonary System (ECCPS), Member of the German Center for Lung Research (DZL), Justus-Liebig-University Giessen, Giessen, Germany
| | - Grégoire Manaud
- Université Paris-Saclay, AP-HP, INSERM UMR_S 999, Service de Pneumologie et Soins Intensifs Respiratoires, Hôpital de Bicêtre, Le Kremlin Bicêtre, France
| | - Frédéric Perros
- Université Paris-Saclay, AP-HP, INSERM UMR_S 999, Service de Pneumologie et Soins Intensifs Respiratoires, Hôpital de Bicêtre, Le Kremlin Bicêtre, France
| | - Henning Gall
- Universities of Giessen and Marburg Lung Center (UGMLC), Excellence Cluster Cardio-Pulmonary System (ECCPS), Member of the German Center for Lung Research (DZL), Justus-Liebig-University Giessen, Giessen, Germany
| | - Hossein Ardeschir Ghofrani
- Universities of Giessen and Marburg Lung Center (UGMLC), Excellence Cluster Cardio-Pulmonary System (ECCPS), Member of the German Center for Lung Research (DZL), Justus-Liebig-University Giessen, Giessen, Germany
| | - Norbert Weissmann
- Universities of Giessen and Marburg Lung Center (UGMLC), Excellence Cluster Cardio-Pulmonary System (ECCPS), Member of the German Center for Lung Research (DZL), Justus-Liebig-University Giessen, Giessen, Germany
| | - Friedrich Grimminger
- Universities of Giessen and Marburg Lung Center (UGMLC), Excellence Cluster Cardio-Pulmonary System (ECCPS), Member of the German Center for Lung Research (DZL), Justus-Liebig-University Giessen, Giessen, Germany
| | - John Wharton
- Centre for Pharmacology and Therapeutics, Department of Medicine, Imperial College London, London, UK
| | - Martin Wilkins
- Centre for Pharmacology and Therapeutics, Department of Medicine, Imperial College London, London, UK
| | - Paul D Upton
- Department of Medicine, University of Cambridge, Cambridge, UK
| | - Sonja Loges
- Department of Oncology, Hematology and Bone Marrow Transplantation with section Pneumology, Hubertus Wald University Comprehensive Cancer Center Hamburg, University Medical Center Hamburg-Eppendorf, Hamburg, Germany
- Department of Tumor Biology, Center of Experimental Medicine, University Medical Center Hamburg-Eppendorf, Hamburg, Germany
| | | | - Werner Seeger
- Universities of Giessen and Marburg Lung Center (UGMLC), Excellence Cluster Cardio-Pulmonary System (ECCPS), Member of the German Center for Lung Research (DZL), Justus-Liebig-University Giessen, Giessen, Germany
- Max Planck Institute for Heart and Lung Research, Bad Nauheim, Germany
| | - Ralph T Schermuly
- Universities of Giessen and Marburg Lung Center (UGMLC), Excellence Cluster Cardio-Pulmonary System (ECCPS), Member of the German Center for Lung Research (DZL), Justus-Liebig-University Giessen, Giessen, Germany.
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11
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Schulz R, Wilkins M. Pulmonary hypertension with 2020 vision. Br J Pharmacol 2021; 178:3-5. [PMID: 33346924 DOI: 10.1111/bph.15328] [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: 11/26/2022] Open
Affiliation(s)
- Rainer Schulz
- Geschäftsführender Direktor, Physiologisches Institut, Justus-Liebig Universität, Gießen, Germany
| | - Martin Wilkins
- National Heart and Lung Institute, Imperial College London, London, UK
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12
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Chin K, Fong YL, Gargano C, Kiely D, Stamatiadis D, Maron B, Preston I, Quinn D, Rosenkranz S, Toshner M, Wilkins M, Howard L. CIPHER AND CIPHER-MRI: TWO PROSPECTIVE, MULTICENTER STUDIES FOR THE IDENTIFICATION OF BIOMARKER SIGNATURES FOR EARLY DETECTION OF PULMONARY HYPERTENSION. Chest 2020. [DOI: 10.1016/j.chest.2020.08.1876] [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: 10/23/2022] Open
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13
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Abstract
The plasma proteome is rich in information. It comprises proteins that are secreted or lost from cells as they respond to their local environment. Changes in the constitution of the plasma proteome offer a relatively non-invasive report on the health of tissues. This is particularly true of the lung in pulmonary hypertension, given the large surface area of the pulmonary vasculature in direct communication with blood. So far, this is relatively untapped; we have relied on proteins released from the heart, specifically brain natriuretic peptide and troponin, to inform clinical management. New technology allows the measurement of a larger number of proteins that cover a broad range of molecular pathways in a single small aliquot. The emerging data will yield more than just new biomarkers of pulmonary hypertension for clinical use. Integrated with genomics and with the help of new bioinformatic tools, the plasma proteome can provide insight into the causative drivers of pulmonary vascular disease and guide drug development.
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Affiliation(s)
- Martin Wilkins
- Imperial College London, Hammersmith Hospital, Du Cane Road, London W12 0NN, United Kingdom
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14
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Gorman KM, Meyer E, Grozeva D, Spinelli E, McTague A, Sanchis-Juan A, Carss KJ, Bryant E, Reich A, Schneider AL, Pressler RM, Simpson MA, Debelle GD, Wassmer E, Morton J, Sieciechowicz D, Jan-Kamsteeg E, Paciorkowski AR, King MD, Cross JH, Poduri A, Mefford HC, Scheffer IE, Haack TB, McCullagh G, Millichap JJ, Carvill GL, Clayton-Smith J, Maher ER, Raymond FL, Kurian MA, McRae JF, Clayton S, Fitzgerald TW, Kaplanis J, Prigmore E, Rajan D, Sifrim A, Aitken S, Akawi N, Alvi M, Ambridge K, Barrett DM, Bayzetinova T, Jones P, Jones WD, King D, Krishnappa N, Mason LE, Singh T, Tivey AR, Ahmed M, Anjum U, Archer H, Armstrong R, Awada J, Balasubramanian M, Banka S, Baralle D, Barnicoat A, Batstone P, Baty D, Bennett C, Berg J, Bernhard B, Bevan AP, Bitner-Glindzicz M, Blair E, Blyth M, Bohanna D, Bourdon L, Bourn D, Bradley L, Brady A, Brent S, Brewer C, Brunstrom K, Bunyan DJ, Burn J, Canham N, Castle B, Chandler K, Chatzimichali E, Cilliers D, Clarke A, Clasper S, Clayton-Smith J, Clowes V, Coates A, Cole T, Colgiu I, Collins A, Collinson MN, Connell F, Cooper N, Cox H, Cresswell L, Cross G, Crow Y, D’Alessandro M, Dabir T, Davidson R, Davies S, de Vries D, Dean J, Deshpande C, Devlin G, Dixit A, Dobbie A, Donaldson A, Donnai D, Donnelly D, Donnelly C, Douglas A, Douzgou S, Duncan A, Eason J, Ellard S, Ellis I, Elmslie F, Evans K, Everest S, Fendick T, Fisher R, Flinter F, Foulds N, Fry A, Fryer A, Gardiner C, Gaunt L, Ghali N, Gibbons R, Gill H, Goodship J, Goudie D, Gray E, Green A, Greene P, Greenhalgh L, Gribble S, Harrison R, Harrison L, Harrison V, Hawkins R, He L, Hellens S, Henderson A, Hewitt S, Hildyard L, Hobson E, Holden S, Holder M, Holder S, Hollingsworth G, Homfray T, Humphreys M, Hurst J, Hutton B, Ingram S, Irving M, Islam L, Jackson A, Jarvis J, Jenkins L, Johnson D, Jones E, Josifova D, Joss S, Kaemba B, Kazembe S, Kelsell R, Kerr B, Kingston H, Kini U, Kinning E, Kirby G, Kirk C, Kivuva E, Kraus A, Kumar D, Kumar VKA, Lachlan K, Lam W, Lampe A, Langman C, Lees M, Lim D, Longman C, Lowther G, Lynch SA, Magee A, Maher E, Male A, Mansour S, Marks K, Martin K, Maye U, McCann E, McConnell V, McEntagart M, McGowan R, McKay K, McKee S, McMullan DJ, McNerlan S, McWilliam C, Mehta S, Metcalfe K, Middleton A, Miedzybrodzka Z, Miles E, Mohammed S, Montgomery T, Moore D, Morgan S, Morton J, Mugalaasi H, Murday V, Murphy H, Naik S, Nemeth A, Nevitt L, Newbury-Ecob R, Norman A, O’Shea R, Ogilvie C, Ong KR, Park SM, Parker MJ, Patel C, Paterson J, Payne S, Perrett D, Phipps J, Pilz DT, Pollard M, Pottinger C, Poulton J, Pratt N, Prescott K, Price S, Pridham A, Procter A, Purnell H, Quarrell O, Ragge N, Rahbari R, Randall J, Rankin J, Raymond L, Rice D, Robert L, Roberts E, Roberts J, Roberts P, Roberts G, Ross A, Rosser E, Saggar A, Samant S, Sampson J, Sandford R, Sarkar A, Schweiger S, Scott R, Scurr I, Selby A, Seller A, Sequeira C, Shannon N, Sharif S, Shaw-Smith C, Shearing E, Shears D, Sheridan E, Simonic I, Singzon R, Skitt Z, Smith A, Smith K, Smithson S, Sneddon L, Splitt M, Squires M, Stewart F, Stewart H, Straub V, Suri M, Sutton V, Swaminathan GJ, Sweeney E, Tatton-Brown K, Taylor C, Taylor R, Tein M, Temple IK, Thomson J, Tischkowitz M, Tomkins S, Torokwa A, Treacy B, Turner C, Turnpenny P, Tysoe C, Vandersteen A, Varghese V, Vasudevan P, Vijayarangakannan P, Vogt J, Wakeling E, Wallwark S, Waters J, Weber A, Wellesley D, Whiteford M, Widaa S, Wilcox S, Wilkinson E, Williams D, Williams N, Wilson L, Woods G, Wragg C, Wright M, Yates L, Yau M, Nellåker C, Parker M, Firth HV, Wright CF, FitzPatrick DR, Barrett JC, Hurles ME, Al Turki S, Anderson C, Anney R, Antony D, Artigas MS, Ayub M, Balasubramaniam S, Barrett JC, Barroso I, Beales P, Bentham J, Bhattacharya S, Birney E, Blackwood D, Bobrow M, Bochukova E, Bolton P, Bounds R, Boustred C, Breen G, Calissano M, Carss K, Chatterjee K, Chen L, Ciampi A, Cirak S, Clapham P, Clement G, Coates G, Collier D, Cosgrove C, Cox T, Craddock N, Crooks L, Curran S, Curtis D, Daly A, Day-Williams A, Day IN, Down T, Du Y, Dunham I, Edkins S, Ellis P, Evans D, Faroogi S, Fatemifar G, Fitzpatrick DR, Flicek P, Flyod J, Foley AR, Franklin CS, Futema M, Gallagher L, Geihs M, Geschwind D, Griffin H, Grozeva D, Guo X, Guo X, Gurling H, Hart D, Hendricks A, Holmans P, Howie B, Huang L, Hubbard T, Humphries SE, Hurles ME, Hysi P, Jackson DK, Jamshidi Y, Jing T, Joyce C, Kaye J, Keane T, Keogh J, Kemp J, Kennedy K, Kolb-Kokocinski A, Lachance G, Langford C, Lawson D, Lee I, Lek M, Liang J, Lin H, Li R, Li Y, Liu R, Lönnqvist J, Lopes M, Iotchkova V, MacArthur D, Marchini J, Maslen J, Massimo M, Mathieson I, Marenne G, McGuffin P, McIntosh A, McKechanie AG, McQuillin A, Metrustry S, Mitchison H, Moayyeri A, Morris J, Muntoni F, Northstone K, O'Donnovan M, Onoufriadis A, O'Rahilly S, Oualkacha K, Owen MJ, Palotie A, Panoutsopoulou K, Parker V, Parr JR, Paternoster L, Paunio T, Payne F, Pietilainen O, Plagnol V, Quaye L, Quail MA, Raymond L, Rehnström K, Ring S, Ritchie GR, Roberts N, Savage DB, Scambler P, Schiffels S, Schmidts M, Schoenmakers N, Semple RK, Serra E, Sharp SI, Shin SY, Skuse D, Small K, Southam L, Spasic-Boskovic O, St Clair D, Stalker J, Stevens E, St Pourcian B, Sun J, Suvisaari J, Tachmazidou I, Tobin MD, Valdes A, Van Kogelenberg M, Vijayarangakannan P, Visscher PM, Wain LV, Walters JT, Wang G, Wang J, Wang Y, Ward K, Wheeler E, Whyte T, Williams H, Williamson KA, Wilson C, Wong K, Xu C, Yang J, Zhang F, Zhang P, Aitman T, Alachkar H, Ali S, Allen L, Allsup D, Ambegaonkar G, Anderson J, Antrobus R, Armstrong R, Arno G, Arumugakani G, Ashford S, Astle W, Attwood A, Austin S, Bacchelli C, Bakchoul T, Bariana TK, Baxendale H, Bennett D, Bethune C, Bibi S, Bitner-Glindzicz M, Bleda M, Boggard H, Bolton-Maggs P, Booth C, Bradley JR, Brady A, Brown M, Browning M, Bryson C, Burns S, Calleja P, Canham N, Carmichael J, Carss K, Caulfield M, Chalmers E, Chandra A, Chinnery P, Chitre M, Church C, Clement E, Clements-Brod N, Clowes V, Coghlan G, Collins P, Cooper N, Creaser-Myers A, DaCosta R, Daugherty L, Davies S, Davis J, De Vries M, Deegan P, Deevi SV, Deshpande C, Devlin L, Dewhurst E, Doffinger R, Dormand N, Drewe E, Edgar D, Egner W, Erber WN, Erwood M, Everington T, Favier R, Firth H, Fletcher D, Flinter F, Fox JC, Frary A, Freson K, Furie B, Furnell A, Gale D, Gardham A, Gattens M, Ghali N, Ghataorhe PK, Ghurye R, Gibbs S, Gilmour K, Gissen P, Goddard S, Gomez K, Gordins P, Gräf S, Greene D, Greenhalgh A, Greinacher A, Grigoriadou S, Grozeva D, Hackett S, Hadinnapola C, Hague R, Haimel M, Halmagyi C, Hammerton T, Hart D, Hayman G, Heemskerk JW, Henderson R, Hensiek A, Henskens Y, Herwadkar A, Holden S, Holder M, Holder S, Hu F, Huissoon A, Humbert M, Hurst J, James R, Jolles S, Josifova D, Kazmi R, Keeling D, Kelleher P, Kelly AM, Kennedy F, Kiely D, Kingston N, Koziell A, Krishnakumar D, Kuijpers TW, Kumararatne D, Kurian M, Laffan MA, Lambert MP, Allen HL, Lawrie A, Lear S, Lees M, Lentaigne C, Liesner R, Linger R, Longhurst H, Lorenzo L, Machado R, Mackenzie R, MacLaren R, Maher E, Maimaris J, Mangles S, Manson A, Mapeta R, Markus HS, Martin J, Masati L, Mathias M, Matser V, Maw A, McDermott E, McJannet C, Meacham S, Meehan S, Megy K, Mehta S, Michaelides M, Millar CM, Moledina S, Moore A, Morrell N, Mumford A, Murng S, Murphy E, Nejentsev S, Noorani S, Nurden P, Oksenhendler E, Ouwehand WH, Papadia S, Park SM, Parker A, Pasi J, Patch C, Paterson J, Payne J, Peacock A, Peerlinck K, Penkett CJ, Pepke-Zaba J, Perry DJ, Pollock V, Polwarth G, Ponsford M, Qasim W, Quinti I, Rankin S, Rankin J, Raymond FL, Rehnstrom K, Reid E, Rhodes CJ, Richards M, Richardson S, Richter A, Roberts I, Rondina M, Rosser E, Roughley C, Rue-Albrecht K, Samarghitean C, Sanchis-Juan A, Sandford R, Santra S, Sargur R, Savic S, Schulman S, Schulze H, Scott R, Scully M, Seneviratne S, Sewell C, Shamardina O, Shipley D, Simeoni I, Sivapalaratnam S, Smith K, Sohal A, Southgate L, Staines S, Staples E, Stauss H, Stein P, Stephens J, Stirrups K, Stock S, Suntharalingam J, Tait RC, Talks K, Tan Y, Thachil J, Thaventhiran J, Thomas E, Thomas M, Thompson D, Thrasher A, Tischkowitz M, Titterton C, Toh CH, Toshner M, Treacy C, Trembath R, Tuna S, Turek W, Turro E, Van Geet C, Veltman M, Vogt J, von Ziegenweldt J, Vonk Noordegraaf A, Wakeling E, Wanjiku I, Warner TQ, Wassmer E, Watkins H, Webster A, Welch S, Westbury S, Wharton J, Whitehorn D, Wilkins M, Willcocks L, Williamson C, Woods G, Wort J, Yeatman N, Yong P, Young T, Yu P. Bi-allelic Loss-of-Function CACNA1B Mutations in Progressive Epilepsy-Dyskinesia. Am J Hum Genet 2019; 104:948-956. [PMID: 30982612 DOI: 10.1016/j.ajhg.2019.03.005] [Citation(s) in RCA: 18] [Impact Index Per Article: 3.6] [Reference Citation Analysis] [What about the content of this article? (0)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/26/2018] [Accepted: 03/04/2019] [Indexed: 12/11/2022] Open
Abstract
The occurrence of non-epileptic hyperkinetic movements in the context of developmental epileptic encephalopathies is an increasingly recognized phenomenon. Identification of causative mutations provides an important insight into common pathogenic mechanisms that cause both seizures and abnormal motor control. We report bi-allelic loss-of-function CACNA1B variants in six children from three unrelated families whose affected members present with a complex and progressive neurological syndrome. All affected individuals presented with epileptic encephalopathy, severe neurodevelopmental delay (often with regression), and a hyperkinetic movement disorder. Additional neurological features included postnatal microcephaly and hypotonia. Five children died in childhood or adolescence (mean age of death: 9 years), mainly as a result of secondary respiratory complications. CACNA1B encodes the pore-forming subunit of the pre-synaptic neuronal voltage-gated calcium channel Cav2.2/N-type, crucial for SNARE-mediated neurotransmission, particularly in the early postnatal period. Bi-allelic loss-of-function variants in CACNA1B are predicted to cause disruption of Ca2+ influx, leading to impaired synaptic neurotransmission. The resultant effect on neuronal function is likely to be important in the development of involuntary movements and epilepsy. Overall, our findings provide further evidence for the key role of Cav2.2 in normal human neurodevelopment.
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Manning G, Hendry B, Taylor S, Jones W, Strader M, Bencomo T, Bailey L, Bedolla C, Roldan C, Moudiotis B, Vaidya C, Anning S, Bunce S, Estcourt E, Folland E, Gordon C, Harrill J, Ireland J, Piper L, Scaife K, Sutton S, Wilkins M, Costelloe J, Palmer L, Casas C, Miller M, Burgard C, Erickson J, Hallanger-Johnson P, Clark W, Taylor A, Lafferty S, Gillett C, Nolan M, Pathak L, Sondrol T, Hjelle S, Hafner J, Kotrba R, Hendrickson A, Cemeroglu T, Symington M, Daniel Y, Appiagyei-Dankah D, Postellon M, Racine L, Kleis K, Barnes S, Godwin H, McCullough K, Shaheen G, Buck L, Noel M, Warren S, Weber S, Parker I, Gillespie B, Nelson C, Frost J, Amrhein E, Moreland A, Hayes J, Peggram J, Aisenberg M, Riordan J, Zasa E, Cummings K, Scott T, Pinto A, Mokashi K, McAssey E, Helden P, Hammond L, Dinning S, Rahman S, Ray C, Dimicri S, Guppy H, Nielsen C, Vogel C, Ariza L, Morales Y, Chang R, Gabbay L, Ambrocio L, Manley R, Nemery W, Charlton P, Smith L, Kerr B, Steindel-Kopp M, Alamaguer D, Liljenquist G, Browning T, Coughenour M, Sulk E, Tsalikan M, Tansey J, Cabbage N. Identical and Nonidentical Twins: Risk and Factors Involved in Development of Islet Autoimmunity and Type 1 Diabetes. Diabetes Care 2019; 42:192-199. [PMID: 30061316 PMCID: PMC6341285 DOI: 10.2337/dc18-0288] [Citation(s) in RCA: 21] [Impact Index Per Article: 4.2] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 02/07/2018] [Accepted: 06/28/2018] [Indexed: 02/03/2023]
Abstract
OBJECTIVE There are variable reports of risk of concordance for progression to islet autoantibodies and type 1 diabetes in identical twins after one twin is diagnosed. We examined development of positive autoantibodies and type 1 diabetes and the effects of genetic factors and common environment on autoantibody positivity in identical twins, nonidentical twins, and full siblings. RESEARCH DESIGN AND METHODS Subjects from the TrialNet Pathway to Prevention Study (N = 48,026) were screened from 2004 to 2015 for islet autoantibodies (GAD antibody [GADA], insulinoma-associated antigen 2 [IA-2A], and autoantibodies against insulin [IAA]). Of these subjects, 17,226 (157 identical twins, 283 nonidentical twins, and 16,786 full siblings) were followed for autoantibody positivity or type 1 diabetes for a median of 2.1 years. RESULTS At screening, identical twins were more likely to have positive GADA, IA-2A, and IAA than nonidentical twins or full siblings (all P < 0.0001). Younger age, male sex, and genetic factors were significant factors for expression of IA-2A, IAA, one or more positive autoantibodies, and two or more positive autoantibodies (all P ≤ 0.03). Initially autoantibody-positive identical twins had a 69% risk of diabetes by 3 years compared with 1.5% for initially autoantibody-negative identical twins. In nonidentical twins, type 1 diabetes risk by 3 years was 72% for initially multiple autoantibody-positive, 13% for single autoantibody-positive, and 0% for initially autoantibody-negative nonidentical twins. Full siblings had a 3-year type 1 diabetes risk of 47% for multiple autoantibody-positive, 12% for single autoantibody-positive, and 0.5% for initially autoantibody-negative subjects. CONCLUSIONS Risk of type 1 diabetes at 3 years is high for initially multiple and single autoantibody-positive identical twins and multiple autoantibody-positive nonidentical twins. Genetic predisposition, age, and male sex are significant risk factors for development of positive autoantibodies in twins.
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Affiliation(s)
- Taylor M. Triolo
- Barbara Davis Center for Diabetes, University of Colorado School of Medicine, Aurora, CO
| | - Alexandra Fouts
- Barbara Davis Center for Diabetes, University of Colorado School of Medicine, Aurora, CO
| | - Laura Pyle
- Department of Pediatrics, University of Colorado Anschutz Medical Campus, Aurora, CO
| | - Liping Yu
- Barbara Davis Center for Diabetes, University of Colorado School of Medicine, Aurora, CO
| | - Peter A. Gottlieb
- Barbara Davis Center for Diabetes, University of Colorado School of Medicine, Aurora, CO
| | - Andrea K. Steck
- Barbara Davis Center for Diabetes, University of Colorado School of Medicine, Aurora, CO
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Whitworth J, Smith PS, Martin JE, West H, Luchetti A, Rodger F, Clark G, Carss K, Stephens J, Stirrups K, Penkett C, Mapeta R, Ashford S, Megy K, Shakeel H, Ahmed M, Adlard J, Barwell J, Brewer C, Casey RT, Armstrong R, Cole T, Evans DG, Fostira F, Greenhalgh L, Hanson H, Henderson A, Hoffman J, Izatt L, Kumar A, Kwong A, Lalloo F, Ong KR, Paterson J, Park SM, Chen-Shtoyerman R, Searle C, Side L, Skytte AB, Snape K, Woodward ER, Tischkowitz MD, Maher ER, Aitman T, Alachkar H, Ali S, Allen L, Allsup D, Ambegaonkar G, Anderson J, Antrobus R, Armstrong R, Arno G, Arumugakani G, Ashford S, Astle W, Attwood A, Austin S, Bacchelli C, Bakchoul T, Bariana TK, Baxendale H, Bennett D, Bethune C, Bibi S, Bitner-Glindzicz M, Bleda M, Boggard H, Bolton-Maggs P, Booth C, Bradley JR, Brady A, Brown M, Browning M, Bryson C, Burns S, Calleja P, Canham N, Carmichael J, Carss K, Caulfield M, Chalmers E, Chandra A, Chinnery P, Chitre M, Church C, Clement E, Clements-Brod N, Clowes V, Coghlan G, Collins P, Cookson V, Cooper N, Corris P, Creaser-Myers A, DaCosta R, Daugherty L, Davies S, Davis J, De Vries M, Deegan P, Deevi SV, Deshpande C, Devlin L, Dewhurst E, Dixon P, Doffinger R, Dormand N, Drewe E, Edgar D, Egner W, Erber WN, Erwood M, Erwood M, Everington T, Favier R, Firth H, Fletcher D, Flinter F, Frary A, Freson K, Furie B, Furnell A, Gale D, Gardham A, Gattens M, Ghali N, Ghataorhe PK, Ghurye R, Gibbs S, Gilmour K, Gissen P, Goddard S, Gomez K, Gordins P, Graf S, Gräf S, Greene D, Greenhalgh A, Greinacher A, Grigoriadou S, Grozeva D, Hackett S, Hadinnapola C, Hague R, Haimel M, Halmagyi C, Hammerton T, Hart D, Hayman G, Heemskerk JW, Henderson R, Hensiek A, Henskens Y, Herwadkar A, Holden S, Holder M, Holder S, Hu F, Huis in’t Veld A, Huissoon A, Humbert M, Hurst J, James R, Jolles S, Josifova D, Kazmi R, Keeling D, Kelleher P, Kelly AM, Kennedy F, Kiely D, Kingston N, Koziell A, Krishnakumar D, Kuijpers TW, Kuijpers T, Kumararatne D, Kurian M, Laffan MA, Lambert MP, Allen HL, Lango-Allen H, Lawrie A, Lear S, Lees M, Lentaigne C, Liesner R, Linger R, Longhurst H, Lorenzo L, Louka E, Machado R, Ross RM, MacLaren R, Maher E, Maimaris J, Mangles S, Manson A, Mapeta R, Markus HS, Martin J, Masati L, Mathias M, Matser V, Maw A, McDermott E, McJannet C, Meacham S, Meehan S, Megy K, Mehta S, Michaelides M, Millar CM, Moledina S, Moore A, Morrell N, Mumford A, Murng S, Murphy E, Nejentsev S, Noorani S, Nurden P, Oksenhendler E, Othman S, Ouwehand WH, Ouwehand WH, Papadia S, Park SM, Parker A, Pasi J, Patch C, Paterson J, Payne J, Peacock A, Peerlinck K, Penkett CJ, Pepke-Zaba J, Perry D, Perry DJ, Pollock V, Polwarth G, Ponsford M, Qasim W, Quinti I, Rankin S, Rankin J, Raymond FL, Rayner-Matthews P, Rehnstrom K, Reid E, Rhodes CJ, Richards M, Richardson S, Richter A, Roberts I, Rondina M, Rosser E, Roughley C, Roy N, Rue-Albrecht K, Samarghitean C, Sanchis-Juan A, Sandford R, Santra S, Sargur R, Savic S, Schotte G, Schulman S, Schulze H, Scott R, Scully M, Seneviratne S, Sewell C, Shamardina O, Shipley D, Simeoni I, Sivapalaratnam S, Smith KG, Sohal A, Southgate L, Staines S, Staples E, Stark H, Stauss H, Stein P, Stephens J, Stirrups K, Stock S, Suntharalingam J, Talks K, Tan Y, Thachil J, Thaventhiran J, Thomas E, Thomas M, Thompson D, Thrasher A, Tischkowitz M, Titterton C, Toh CH, Toshner M, Treacy C, Trembath R, Tuna S, Turek W, Turro E, Van Geet C, Veltman M, Vogt J, von Ziegenweldt J, Vonk Noordegraaf A, Wakeling E, Wanjiku I, Warner TQ, Wassmer E, Watkins H, Watt C, Webster N, Welch S, Westbury S, Wharton J, Whitehorn D, Wilkins M, Willcocks L, Williamson C, Woods G, Woods G, Wort J, Yeatman N, Yong P, Young T, Yu P. Comprehensive Cancer-Predisposition Gene Testing in an Adult Multiple Primary Tumor Series Shows a Broad Range of Deleterious Variants and Atypical Tumor Phenotypes. Am J Hum Genet 2018; 103:3-18. [PMID: 29909963 PMCID: PMC6037202 DOI: 10.1016/j.ajhg.2018.04.013] [Citation(s) in RCA: 44] [Impact Index Per Article: 7.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/06/2017] [Accepted: 04/25/2018] [Indexed: 12/17/2022] Open
Abstract
Multiple primary tumors (MPTs) affect a substantial proportion of cancer survivors and can result from various causes, including inherited predisposition. Currently, germline genetic testing of MPT-affected individuals for variants in cancer-predisposition genes (CPGs) is mostly targeted by tumor type. We ascertained pre-assessed MPT individuals (with at least two primary tumors by age 60 years or at least three by 70 years) from genetics centers and performed whole-genome sequencing (WGS) on 460 individuals from 440 families. Despite previous negative genetic assessment and molecular investigations, pathogenic variants in moderate- and high-risk CPGs were detected in 67/440 (15.2%) probands. WGS detected variants that would not be (or were not) detected by targeted resequencing strategies, including low-frequency structural variants (6/440 [1.4%] probands). In most individuals with a germline variant assessed as pathogenic or likely pathogenic (P/LP), at least one of their tumor types was characteristic of variants in the relevant CPG. However, in 29 probands (42.2% of those with a P/LP variant), the tumor phenotype appeared discordant. The frequency of individuals with truncating or splice-site CPG variants and at least one discordant tumor type was significantly higher than in a control population (χ2 = 43.642; p ≤ 0.0001). 2/67 (3%) probands with P/LP variants had evidence of multiple inherited neoplasia allele syndrome (MINAS) with deleterious variants in two CPGs. Together with variant detection rates from a previous series of similarly ascertained MPT-affected individuals, the present results suggest that first-line comprehensive CPG analysis in an MPT cohort referred to clinical genetics services would detect a deleterious variant in about a third of individuals.
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Brueseke T, Wilkins M, Willis-Gray M, Husk K, Geller E, Wu J. 18: Blood transfusion rates in apical prolapse repairs. Am J Obstet Gynecol 2017. [DOI: 10.1016/j.ajog.2016.12.142] [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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Hadinnapola C, Haimel M, Bleda M, Bogaard H, Coghlan G, Corris P, Gibbs S, Kiely D, Lawrie A, Peacock A, Pepke-Zaba J, Southgate L, Toshner M, Trembath R, Noordegraaf AV, Wharton J, Wilkins M, Wort SJ, Graf S, Morrell NM. S107 Genotype-phenotype associations in pulmonary arterial hypertension caused by BMPR2 and EIF2AK4 variants. Thorax 2016. [DOI: 10.1136/thoraxjnl-2016-209333.113] [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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McGill M, Shum A, Mahendradatta T, Bentley N, Chan E, Chen Z, Wilkins M, Tan T, Polly P. Expression Patterns of APLN and OSMR, Potential Novel Regulators of Cancer-Induced Cardiac Cachexia, are Altered due to Elevated Inflammatory Cytokines. Heart Lung Circ 2016. [DOI: 10.1016/j.hlc.2016.06.258] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/29/2022]
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McGill M, Shum A, Mahendradatta T, Bentley N, Chan E, Chen Z, Wilkins M, Tan T, Polly P. Expression Patterns of APLN and OSMR, Potential Novel Modulators of Cancer-induced Cardiac Cachexia, are Altered due to Elevated Inflammatory Cytokines. Heart Lung Circ 2016. [DOI: 10.1016/j.hlc.2016.06.257] [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: 10/21/2022]
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Taha, Siddiqui KS, Campanaro S, Najnin T, Deshpande N, Williams TJ, Aldrich‐Wright J, Wilkins M, Curmi PMG, Cavicchioli R. Single
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ntarctic methanogen
M
ethanococcoides burtonii. Environ Microbiol 2016; 18:2810-24. [DOI: 10.1111/1462-2920.13229] [Citation(s) in RCA: 14] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/09/2015] [Revised: 01/13/2016] [Accepted: 01/13/2016] [Indexed: 12/21/2022]
Affiliation(s)
- Taha
- School of Biotechnology and Biomolecular Sciences The University of New South Wales Sydney NSW 2052 Australia
| | - K. S. Siddiqui
- Life Sciences Department King Fahd University of Petroleum and Minerals Dhahran Kingdom of Saudi Arabia
| | - S. Campanaro
- Department of Biology University of Padua Via U. Bassi 58/B 35121 Padova Italy
| | - T. Najnin
- School of Biotechnology and Biomolecular Sciences The University of New South Wales Sydney NSW 2052 Australia
| | - N. Deshpande
- School of Biotechnology and Biomolecular Sciences The University of New South Wales Sydney NSW 2052 Australia
| | - T. J. Williams
- School of Biotechnology and Biomolecular Sciences The University of New South Wales Sydney NSW 2052 Australia
| | - J. Aldrich‐Wright
- Nanoscale Organization and Dynamic Group School of Science and Health Western Sydney University Penrith 2560 NSW Australia
| | - M. Wilkins
- School of Biotechnology and Biomolecular Sciences The University of New South Wales Sydney NSW 2052 Australia
| | - P. M. G. Curmi
- School of Physics The University of New South Wales Sydney NSW 2052 Australia
| | - R. Cavicchioli
- School of Biotechnology and Biomolecular Sciences The University of New South Wales Sydney NSW 2052 Australia
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Aldabbous L, Duluc L, McKinnon T, Howard L, Gibbs S, Wharton J, Morrell N, Toshner M, Southwood M, Pepke-Zaba J, Abdul-Salam V, Wilkins M, Wojciak-Stothard B. Abstract 202: The Role of Neutrophil Extracellular Traps in the Pathogenesis of Pulmonary Hypertension. Arterioscler Thromb Vasc Biol 2015. [DOI: 10.1161/atvb.35.suppl_1.202] [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: 11/16/2022]
Abstract
Rationale:
Inflammation contributes to vasoconstriction and remodeling in pulmonary hypertension (PH), but the mechanisms are not fully understood. Recent data link neutrophil extracellular traps (NETs) and NET components with endothelial dysfunction, thrombosis, and lung injury. NETs, produced as a result of neutrophil cell death induced by inflammation or cytotoxic stress, comprise chromatin fibers associated with a number of proteins including myeloperoxidase and neutrophil elastase. We hypothesized that NETs contribute to pulmonary vascular remodeling in pulmonary hypertension. The aim of the present study was to measure NET markers in plasma of PH patients and to analyze their effects on human pulmonary artery endothelial cell (HPAEC) function in vitro.
Methods and Results:
Patients with prevalent chronic thromboembolic pulmonary hypertension (CTEPH) (n=26) and idiopathic pulmonary arterial hypertension (IPAH) (n=52) show increased plasma levels of NET components including myeloperoxidase, neutrophil elastase and circulating DNA, compared with plasma from sex- and age-matched healthy volunteers (n=24). Endarterectomy specimens from CTEPH patients show accumulation of NET-forming peptidylarginine deiminase 4+ (PAD4+) neutrophils. PAD4+ neutrophils are also abundant in and around plexiform lesions in IPAH lungs, compared to corresponding uninvolved regions of lung tissues from cancer patients. Incubation of NETs with HPAECs in vitro activates the transcription factor nuclear factor-kB and increases expression of pro-inflammatory cytokines and leukocyte-binding adhesion molecules. NETs also increase endothelial angiogenesis in vitro and induce plateletet aggregation, possibly due to increased expression and surface deposition of von Willebrand factor and P-selectin.
Conclusion:
CTEPH and IPAH patients show elevated NET markers in plasma and increased numbers of NET-forming neutrophils in the remodelled lung. NETs induce endothelial dysfunction in vitro and are likely to contribute to vascular remodelling in vivo. Inhibition of NET components or NET formation in vivo may represent a new therapeutic approach in the treatment of PH.
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Affiliation(s)
- Lulwah Aldabbous
- Experimental Medicine and Toxicology, Imperial College London, London, United Kingdom
| | - Lucie Duluc
- Experimental Medicine and Toxicology, Imperial College London, London, United Kingdom
| | | | - Luke Howard
- Experimental Medicine and Toxicology, Imperial College London, London, United Kingdom
| | - Simon Gibbs
- National Heart Lung Institute, Imperial College London, London, United Kingdom
| | - John Wharton
- Experimental Medicine and Toxicology, Imperial College London, London, United Kingdom
| | | | - Mark Toshner
- Dept of Medicine, Univ of Cambridge, Cambridge, United Kingdom
| | - Mark Southwood
- Dept of Pathology, Papworth Hosp, Papworth, United Kingdom
| | - Joanna Pepke-Zaba
- Pulmonary Vascular Diseases Unit, Papworth Hosp, Papworth, United Kingdom
| | - Vahitha Abdul-Salam
- Experimental Medicine and Toxicology, Imperial College London, London, United Kingdom
| | - Martin Wilkins
- Experimental Medicine and Toxicology, Imperial College London, London, United Kingdom
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Duluc L, Ahmetaj-Shala B, Mitchell J, Abdul-Salam VB, Edwards R, Aldabbous L, Iannone L, Dubois OD, Storck EM, Tate EW, Zhao L, Wilkins M, Wojciak-Stothard B. Abstract 230: Protein Farnesylation Inhibitor Tipifarnib Prevents Development of Chronic Hypoxia-induced Pulmonary Hypertension. Arterioscler Thromb Vasc Biol 2015. [DOI: 10.1161/atvb.35.suppl_1.230] [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: 11/16/2022]
Abstract
Study objectives:
Small GTPase RhoB contributes to pulmonary vascular remodelling in pulmonary hypertension. Farnesylation of RhoB augments cell proliferation while geranylgeranylation of RhoB is believed to be pro-apoptotic. We hypothesized that farnesyltransferase inhibitors may prevent vascular pathology in pulmonary hypertension. We studied the effects of farnesyltransferase inhibitor Tipifarnib on pulmonary vascular remodelling and vasoreactivity in chronically hypoxic pulmonary hypertensive mice and cultured human pulmonary artery endothelial cells (HPAECs). Chemical proteomics was used to characterise Tipifarnib-induced changes in protein prenylation while label- free quantitative proteomics was used to characterise changes induced by overexpression of RhoB prenylation mutants: farnesylated-only or geranlygeranylated-only RhoB in HPAECs. The effects of Tipifarnib on Ras and Rho GTPases expression and activity, filamentous and globular actin levels and eNOS pathway, were also studied.
Results:
Oral administration of Tipifarnib significantly attenuated chronic hypoxia-induced pulmonary hypertension in mice. This protective effect was associated with a marked improvement of endothelium-dependent vasodilatation, reduction in pulmonary vascular muscularization and a decrease in the right ventricular systolic pressure. Tipifarnib reduced farnesylation and increased geranyl-geranylation of several proteins, including Rho GTPases and Ras and reduced their activity in vitro and in vivo. Tipifarnib-induced changes in cultured cells were associated with a decrease in cell proliferation, decreased polymerization of actin and increased eNOS mRNA and protein levels. Proteomic analysis of HPAECs overexpressing prenylation mutants of RhoB suggests that protective effects of Tipifarnib may result, at least in part, from inhibition of RhoB farnesylation.
Conclusions:
We demonstrate protective effects of farnesyltransferase inhibitor Tipifarnib in chronic hypoxia-induced pulmonary hypertension. The effects of Tipifarnib may result from inhibition of small GTPases activity and increase in NO signalling.
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Affiliation(s)
- Lucie Duluc
- Experimental Medicine and Toxicology, Imperial College London, london, United Kingdom
| | | | - Jane Mitchell
- National Heart and Lung Institute, Imperial College London, london, United Kingdom
| | - Vahitha B Abdul-Salam
- Experimental Medicine and Toxicology, Imperial College London, london, United Kingdom
| | - Robert Edwards
- Experimental Medicine and Toxicology, Imperial College London, london, United Kingdom
| | - Lulwah Aldabbous
- Experimental Medicine and Toxicology, Imperial College London, london, United Kingdom
| | - Lucio Iannone
- Experimental Medicine and Toxicology, Imperial College London, london, United Kingdom
| | - Olivier D Dubois
- Experimental Medicine and Toxicology, Imperial College London, london, United Kingdom
| | - Elisabeth M Storck
- Experimental Medicine and Toxicology, Imperial College London, london, United Kingdom
| | - Edward W Tate
- Dept of Chemistry, Imperial College London, london, United Kingdom
| | - Lan Zhao
- Experimental Medicine and Toxicology, Imperial College London, london, United Kingdom
| | - Martin Wilkins
- Experimental Medicine and Toxicology, Imperial College London, london, United Kingdom
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Ghofrani A, Simonneau G, D'Armini AM, Grimminger F, Hoeper MM, Jansa P, Kim NH, Wang C, Wilkins M, Fritsch A, Davie N, Colorado P, Mayer E. Riociguat zur Behandlung der chronisch thromboembolischen pulmonalen Hypertonie (CTEPH): 2-Jahres-Ergebnisse aus der Folgestudie zur Langzeitbeobachtung CHEST-2. Pneumologie 2015. [DOI: 10.1055/s-0035-1544866] [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: 10/24/2022]
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Wang C, D'Armini AM, Ghofrani HA, Grimminger F, Hoeper MM, Jansa P, Kim NH, Simonneau G, Torbicki A, Wilkins M, Fritsch A, Davie N, Mayer E. Long-term Riociguat Treatment in Inoperable and Persistent/Recurrent CTEPH Patients in WHO Functional Class (FC) I/II Versus FC III/IV at Baseline: Results From the 16-Week Phase III CHEST-1 Study and CHEST-2 Open-Label Extension. Chest 2014. [DOI: 10.1378/chest.1824508] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/01/2022] Open
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Caiani E, Pellegrini A, Carminati M, Lang R, Auricchio A, Vaida P, Obase K, Sakakura T, Komeda M, Okura H, Yoshida K, Zeppellini R, Noni M, Rigo T, Erente G, Carasi M, Costa A, Ramondo B, Thorell L, Akesson-Lindow T, Shahgaldi K, Germanakis I, Fotaki A, Peppes S, Sifakis S, Parthenakis F, Makrigiannakis A, Richter U, Sveric K, Forkmann M, Wunderlich C, Strasser R, Djikic D, Potpara T, Polovina M, Marcetic Z, Peric V, Ostenfeld E, Werther-Evaldsson A, Engblom H, Ingvarsson A, Roijer A, Meurling C, Holm J, Radegran G, Carlsson M, Tabuchi H, Yamanaka T, Katahira Y, Tanaka M, Kurokawa T, Nakajima H, Ohtsuki S, Saijo Y, Yambe T, D'alto M, Romeo E, Argiento P, D'andrea A, Vanderpool R, Correra A, Sarubbi B, Calabro' R, Russo M, Naeije R, Saha SK, Warsame TA, Caelian AG, Malicse M, Kiotsekoglou A, Omran AS, Sharif D, Sharif-Rasslan A, Shahla C, Khalil A, Rosenschein U, Erturk M, Oner E, Kalkan A, Pusuroglu H, Ozyilmaz S, Akgul O, Aksu H, Akturk F, Celik O, Uslu N, Bandera F, Pellegrino M, Generati G, Donghi V, Alfonzetti E, Guazzi M, Rangel I, Goncalves A, Sousa C, Correia A, Martins E, Silva-Cardoso J, Macedo F, Maciel M, Lee S, Kim W, Yun H, Jung L, Kim E, Ko J, Enescu O, Florescu M, Rimbas R, Cinteza M, Vinereanu D, Kosmala W, Rojek A, Cielecka-Prynda M, Laczmanski L, Mysiak A, Przewlocka-Kosmala M, Liu D, Hu K, Niemann M, Herrmann S, Cikes M, Gaudron P, Knop S, Ertl G, Bijnens B, Weidemann F, Saravi M, Tamadoni A, Jalalian R, Hojati M, Ramezani S, Yildiz A, Inci U, Bilik M, Yuksel M, Oyumlu M, Kayan F, Ozaydogdu N, Aydin M, Akil M, Tekbas E, Shang Q, Zhang Q, Fang F, Wang S, Li R, Lee AP, Yu C, Mornos C, Ionac A, Cozma D, Popescu I, Ionescu G, Dan R, Petrescu L, Sawant A, Srivatsa S, Adhikari P, Mills P, Srivatsa S, Boshchenko A, Vrublevsky A, Karpov R, Trifunovic D, Stankovic S, Vujisic-Tesic B, Petrovic M, Nedeljkovic I, Banovic M, Tesic M, Petrovic M, Dragovic M, Ostojic M, Zencirci E, Esen Zencirci A, Degirmencioglu A, Karakus G, Ekmekci A, Erdem A, Ozden K, Erer H, Akyol A, Eren M, Zamfir D, Tautu O, Onciul S, Marinescu C, Onut R, Comanescu I, Oprescu N, Iancovici S, Dorobantu M, Melao F, Pereira M, Ribeiro V, Oliveira S, Araujo C, Subirana I, Marrugat J, Dias P, Azevedo A, Grillo MT, Piamonti B, Abate E, Porto A, Dell'angela L, Gatti G, Poletti A, Pappalardo A, Sinagra G, Pinto-Teixeira P, Galrinho A, Branco L, Fiarresga A, Sousa L, Cacela D, Portugal G, Rio P, Abreu J, Ferreira R, Fadel B, Abdullah N, Al-Admawi M, Pergola V, Bech-Hanssen O, Di Salvo G, Tigen MK, Pala S, Karaahmet T, Dundar C, Bulut M, Izgi A, Esen AM, Kirma C, Boerlage-Van Dijk K, Yamawaki M, Wiegerinck E, Meregalli P, Bindraban N, Vis M, Koch K, Piek J, Bouma B, Baan J, Mizia M, Sikora-Puz A, Gieszczyk-Strozik K, Lasota B, Chmiel A, Chudek J, Jasinski M, Deja M, Mizia-Stec K, Silva Fazendas Adame PR, Caldeira D, Stuart B, Almeida S, Cruz I, Ferreira A, Lopes L, Joao I, Cotrim C, Pereira H, Unger P, Dedobbeleer C, Stoupel E, Preumont N, Argacha J, Berkenboom G, Van Camp G, Malev E, Reeva S, Vasina L, Pshepiy A, Korshunova A, Timofeev E, Zemtsovsky E, Jorgensen PG, Jensen J, Fritz-Hansen T, Biering-Sorensen T, Jons C, Olsen N, Henri C, Magne J, Dulgheru R, Laaraibi S, Voilliot D, Kou S, Pierard L, Lancellotti P, Tayyareci Y, Dworakowski R, Kogoj P, Reiken J, Kenny C, Maccarthy P, Wendler O, Monaghan M, Song J, Ha T, Jung Y, Seo M, Choi S, Kim Y, Sun B, Kim D, Kang D, Song J, Le Tourneau T, Topilsky Y, Inamo J, Mahoney D, Suri R, Schaff H, Enriquez-Sarano M, Bonaque Gonzalez J, Sanchez Espino A, Merchan Ortega G, Bolivar Herrera N, Ikuta I, Macancela Quinonez J, Munoz Troyano S, Ferrer Lopez R, Gomez Recio M, Dreyfus J, Cimadevilla C, Brochet E, Himbert D, Iung B, Vahanian A, Messika-Zeitoun D, Izumo M, Takeuchi M, Seo Y, Yamashita E, Suzuki K, Ishizu T, Sato K, Aonuma K, Otsuji Y, Akashi Y, Muraru D, Addetia K, Veronesi F, Corsi C, Mor-Avi V, Yamat M, Weinert L, Lang R, Badano L, Minamisawa M, Koyama J, Kozuka A, Motoki H, Izawa A, Tomita T, Miyashita Y, Ikeda U, Florescu C, Niemann M, Liu D, Hu K, Herrmann S, Gaudron P, Scholz F, Stoerk S, Ertl G, Weidemann F, Marchel M, Serafin A, Kochanowski J, Piatkowski R, Madej-Pilarczyk A, Filipiak K, Hausmanowa-Petrusewicz I, Opolski G, Meimoun P, M'barek D, Clerc J, Neikova A, Elmkies F, Tzvetkov B, Luycx-Bore A, Cardoso C, Zemir H, Mansencal N, Arslan M, El Mahmoud R, Pilliere R, Dubourg O, Ikonomidis I, Lambadiari V, Pavlidis G, Koukoulis C, Kousathana F, Varoudi M, Tritakis V, Triantafyllidi H, Dimitriadis G, Lekakis I, Kovacs A, Kosztin A, Solymossy K, Celeng C, Apor A, Faludi M, Berta K, Szeplaki G, Foldes G, Merkely B, Kimura K, Daimon M, Nakajima T, Motoyoshi Y, Komori T, Nakao T, Kawata T, Uno K, Takenaka K, Komuro I, Gabric ID, Vazdar L, Pintaric H, Planinc D, Vinter O, Trbusic M, Bulj N, Nobre Menezes M, Silva Marques J, Magalhaes R, Carvalho V, Costa P, Brito D, Almeida A, Nunes-Diogo A, Davidsen ES, Bergerot C, Ernande L, Barthelet M, Thivolet S, Decker-Bellaton A, Altman M, Thibault H, Moulin P, Derumeaux G, Huttin O, Voilliot D, Frikha Z, Aliot E, Venner C, Juilliere Y, Selton-Suty C, Yamada T, Ooshima M, Hayashi H, Okabe S, Johno H, Murata H, Charalampopoulos A, Tzoulaki I, Howard L, Davies R, Gin-Sing W, Grapsa J, Wilkins M, Gibbs J, Castillo J, Bandeira A, Albuquerque E, Silveira C, Pyankov V, Chuyasova Y, Lichodziejewska B, Goliszek S, Kurnicka K, Dzikowska Diduch O, Kostrubiec M, Krupa M, Grudzka K, Ciurzynski M, Palczewski P, Pruszczyk P, Arana X, Oria G, Onaindia J, Rodriguez I, Velasco S, Cacicedo A, Palomar S, Subinas A, Zumalde J, Laraudogoitia E, Saeed S, Kokorina M, Fromm A, Oeygarden H, Waje-Andreassen U, Gerdts E, Gomez E, Vallejo N, Pedro-Botet L, Mateu L, Nunyez R, Llobera L, Bayes A, Sabria M, Antonini-Canterin F, Mateescu A, La Carrubba S, Vriz O, Di Bello V, Carerj S, Zito C, Ginghina C, Popescu B, Nicolosi G, Mateescu A, La Carrubba S, Vriz O, Di Bello V, Carerj S, Zito C, Ginghina C, Popescu B, Nicolosi G, Antonini-Canterin F, Pudil R, Praus R, Vasatova M, Vojacek J, Palicka V, Hulek P, Pradel S, Mohty D, Damy T, Echahidi N, Lavergne D, Virot P, Aboyans V, Jaccard A, Mateescu A, La Carrubba S, Vriz O, Di Bello V, Carerj S, Zito C, Ginghina C, Popescu B, Nicolosi G, Antonini-Canterin F, Doulaptsis C, Symons R, Matos A, Florian A, Masci P, Dymarkowski S, Janssens S, Bogaert J, Lestuzzi C, Moreo A, Celik S, Lafaras C, Dequanter D, Tomkowski W, De Biasio M, Cervesato E, Massa L, Imazio M, Watanabe N, Kijima Y, Akagi T, Toh N, Oe H, Nakagawa K, Tanabe Y, Ikeda M, Okada K, Ito H, Milanesi O, Biffanti R, Varotto E, Cerutti A, Reffo E, Castaldi B, Maschietto N, Vida V, Padalino M, Stellin G, Bejiqi R, Retkoceri R, Bejiqi H, Retkoceri A, Surdulli S, Massoure P, Cautela J, Roche N, Chenilleau M, Gil J, Fourcade L, Akhundova A, Cincin A, Sunbul M, Sari I, Tigen M, Basaran Y, Suermeci G, Butz T, Schilling I, Sasko B, Liebeton J, Van Bracht M, Tzikas S, Prull M, Wennemann R, Trappe H, Attenhofer Jost CH, Pfyffer M, Scharf C, Seifert B, Faeh-Gunz A, Naegeli B, Candinas R, Medeiros-Domingo A, Wierzbowska-Drabik K, Roszczyk N, Sobczak M, Plewka M, Krecki R, Kasprzak J, Ikonomidis I, Varoudi M, Papadavid E, Theodoropoulos K, Papadakis I, Pavlidis G, Triantafyllidi H, Anastasiou - Nana M, Rigopoulos D, Lekakis J, Tereshina O, Surkova E, Vachev A, Merchan Ortega G, Bonaque Gonzalez J, Sanchez Espino A, Bolivar Herrera N, Bravo Bustos D, Ikuta I, Aguado Martin M, Navarro Garcia F, Ruiz Lopez F, Gomez Recio M, Merchan Ortega G, Bonaque Gonzalez J, Bravo Bustos D, Sanchez Espino A, Bolivar Herrera N, Bonaque Gonzalez J, Navarro Garcia F, Aguado Martin M, Ruiz Lopez M, Gomez Recio M, Eguchi H, Maruo T, Endo K, Nakamura K, Yokota K, Fuku Y, Yamamoto H, Komiya T, Kadota K, Mitsudo K, Nagy AI, Manouras A, Gunyeli E, Shahgaldi K, Winter R, Hoffmann R, Barletta G, Von Bardeleben S, Kasprzak J, Greis C, Vanoverschelde J, Becher H, Hu K, Liu D, Niemann M, Herrmann S, Cikes M, Gaudron P, Knop S, Ertl G, Bijnens B, Weidemann F, Di Salvo G, Al Bulbul Z, Issa Z, Khan A, Faiz A, Rahmatullah S, Fadel B, Siblini G, Al Fayyadh M, Menting ME, Van Den Bosch A, Mcghie J, Cuypers J, Witsenburg M, Van Dalen B, Geleijnse M, Roos-Hesselink J, Olsen F, Jorgensen P, Mogelvang R, Jensen J, Fritz-Hansen T, Bech J, Biering-Sorensen T, Agoston G, Pap R, Saghy L, Forster T, Varga A, Scandura S, Capodanno D, Dipasqua F, Mangiafico S, Caggegi AM, Grasso C, Pistritto AM, Imme' S, Ministeri M, Tamburino C, Cameli M, Lisi M, D'ascenzi F, Cameli P, Losito M, Sparla S, Lunghetti S, Favilli R, Fineschi M, Mondillo S, Ojaghihaghighi Z, Javani B, Haghjoo M, Moladoust H, Shahrzad S, Ghadrdoust B, Altman M, Aussoleil A, Bergerot C, Bonnefoy-Cudraz E, Derumeaux GA, Thibault H, Shkolnik E, Vasyuk Y, Nesvetov V, Shkolnik L, Varlan G, Gronkova N, Kinova E, Borizanova A, Goudev A, Saracoglu E, Ural D, Sahin T, Al N, Cakmak H, Akbulut T, Akay K, Ural E, Mushtaq S, Andreini D, Pontone G, Bertella E, Conte E, Baggiano A, Annoni A, Formenti A, Fiorentini C, Pepi M, Cosgrove C, Carr L, Chao C, Dahiya A, Prasad S, Younger J, Biering-Sorensen T, Christensen L, Krieger D, Mogelvang R, Jensen J, Hojberg S, Host N, Karlsen F, Christensen H, Medressova A, Abikeyeva L, Dzhetybayeva S, Andossova S, Kuatbayev Y, Bekbossynova M, Bekbossynov S, Pya Y, Farsalinos K, Tsiapras D, Kyrzopoulos S, Spyrou A, Stefopoulos C, Romagna G, Tsimopoulou K, Tsakalou M, Voudris V, Cacicedo A, Velasco Del Castillo S, Anton Ladislao A, Aguirre Larracoechea U, Onaindia Gandarias J, Romero Pereiro A, Arana Achaga X, Zugazabeitia Irazabal G, Laraudogoitia Zaldumbide E, Lekuona Goya I, Varela A, Kotsovilis S, Salagianni M, Andreakos V, Davos C, Merchan Ortega G, Bonaque Gonzalez J, Sanchez Espino A, Bolivar Herrera N, Macancela Quinones J, Ikuta I, Ferrer Lopez R, Munoz Troyano S, Bravo Bustos D, Gomez Recio M. Poster session Friday 13 December - PM: 13/12/2013, 14:00-18:00 * Location: Poster area. Eur Heart J Cardiovasc Imaging 2013. [DOI: 10.1093/ehjci/jet206] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 11/12/2022] Open
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Ganapathy K, Wilkins M, Forrester A, Lemiere S, Cserep T, McMullin P, Jones RC. QX‐like infectious bronchitis virus isolated from proventriculitis in commercial broilers in England. Vet rec case rep 2013. [DOI: 10.1136/vetreccr.101005rep] [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: 11/03/2022]
Affiliation(s)
- K. Ganapathy
- Department of infection BiologyUniversity of LiverpoolLeahurst CampusNestonSouth WirralCH64 7TEUK
| | - M. Wilkins
- Department of infection BiologyUniversity of LiverpoolLeahurst CampusNestonSouth WirralCH64 7TEUK
| | - A. Forrester
- Department of infection BiologyUniversity of LiverpoolLeahurst CampusNestonSouth WirralCH64 7TEUK
| | - S. Lemiere
- Merial S.A.S.29 Avenue Tony GarnierLyon cedex 0769348France
| | - T. Cserep
- MSD Animal HealthWalton ManorMilton KeynesMK7 7AJUK
| | - P. McMullin
- Poultry Health CentreDaltonThirskNorth YorkshireYO7 3JAUK
| | - R. C. Jones
- Department of infection BiologyUniversity of LiverpoolLeahurst CampusNestonSouth WirralCH64 7TEUK
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Simonneau G, D'Armini A, Ghofrani H, Grimminger F, Hoeper M, Jansa P, Kim N, Wang C, Wilkins M, Fritsch A, Davie N, Weimann G, Mayer E. Riociguat for the Treatment of Chronic Thromboembolic Pulmonary Hypertension (CTEPH): 1-Year Results from the CHEST-2 Long-term Extension Study. Chest 2013. [DOI: 10.1378/chest.1783236] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/01/2022] Open
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Wong-Brown MW, Li S, Wilkins M, Avery-Kiejda KA, Bowden NA, Scott RJ. Abstract P4-10-02: Targeted resequencing of BRCA1 and BRCA2 in inherited breast cancer. Cancer Res 2012. [DOI: 10.1158/0008-5472.sabcs12-p4-10-02] [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: 11/16/2022]
Abstract
Abstract
Breast cancer is the leading cause of cancer-related deaths in women worldwide, affecting about 13,000 women every year in Australia. Inherited loss-of-function mutations in BRCA1 and BRCA2 predispose to high risk of breast and/or ovarian cancer. Since the discovery of breast cancer susceptibility genes BRCA1 and BRCA2 two decades ago, there have not been any other genes identified that play a significant role in predisposition to inherited breast cancer. A large proportion of individuals with inherited breast cancer are negative for BRCA mutations and despite numerous research efforts, further breast cancer susceptibility genes still remain elusive.
We hypothesize that genetic anomalies are present in the BRCA1 and BRCA2 genes in a subset of individuals with inherited breast cancer where no genetic anomalies where identified using traditional Sanger sequencing. This study aims were to identify genetic anomalies in BRCA1 and BRCA2 by completely re-sequencing 200 kilobases surrounding BRCA1 and BRCA2 using targeted massively parallel sequencing, or next-generation sequencing.
For this study, DNA was used from 10 individuals referred for genetic testing after meeting the criteria for inherited breast cancer, and had been screened for BRCA1 and BRCA2 mutations by the Hunter Area Pathology Service (Newcastle, NSW, Australia). All individuals used for this study did not harbour causative genetic changes in the coding regions of BRCA1 or BRCA2. Targeted next-generation paired-end sequencing of regions containing BRCA1 and BRCA2 was performed using Agilent SureSelect and an Illumina GAIIx (The Ramaciotti Centre for Gene Function Analysis). An average of 50x coverage was achieved across the targeted genomic region for all samples. The sequence data was aligned to the Human Reference Sequence 37.2. Single nucleotide polymorphisms present in dbSNP or the 1000 genomes project were removed from further analyses. Genetic differences in the form of single nucleotide variants (SNVs) and insertions/deletions (indels) were identified in most individuals tested in regions that had previously remained unexplored, such as the non-coding regions of BRCA1 and BRCA2, the 5′ UTR and promoter sites. Structural variations including large deletions, duplications, insertions, inversions and rearrangements were also investigated, but require further analysis and validation for confirmation.
This study has comprehensively investigated BRCA1 and BRCA2 and surrounding genomic regions in a mutation negative inherited breast cancer population. The issue of accuracy of mutation detection by traditional methods, such as Sanger sequencing alone, has also been addressed by this study. The outcome of this study is the increase in current knowledge of the genetic variations that results in the development and/or progression of inherited breast cancer, aid in the management of individuals with breast cancers by providing a more specific diagnosis of disease risk and provide information required for the development of personalized treatment.
Citation Information: Cancer Res 2012;72(24 Suppl):Abstract nr P4-10-02.
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Affiliation(s)
- MW Wong-Brown
- University of Newcastle, NSW, Australia; University of New South Wales, Sydney, NSW, Australia; Hunter Area Pathology Service (HAPS), Newcastle, NSW, Australia
| | - S Li
- University of Newcastle, NSW, Australia; University of New South Wales, Sydney, NSW, Australia; Hunter Area Pathology Service (HAPS), Newcastle, NSW, Australia
| | - M Wilkins
- University of Newcastle, NSW, Australia; University of New South Wales, Sydney, NSW, Australia; Hunter Area Pathology Service (HAPS), Newcastle, NSW, Australia
| | - KA Avery-Kiejda
- University of Newcastle, NSW, Australia; University of New South Wales, Sydney, NSW, Australia; Hunter Area Pathology Service (HAPS), Newcastle, NSW, Australia
| | - NA Bowden
- University of Newcastle, NSW, Australia; University of New South Wales, Sydney, NSW, Australia; Hunter Area Pathology Service (HAPS), Newcastle, NSW, Australia
| | - RJ Scott
- University of Newcastle, NSW, Australia; University of New South Wales, Sydney, NSW, Australia; Hunter Area Pathology Service (HAPS), Newcastle, NSW, Australia
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Ganapathy K, Wilkins M, Forrester A, Lemiere S, Cserep T, McMullin P, Jones RC. QX-like infectious bronchitis virus isolated from cases of proventriculitis in commercial broilers in England. Vet Rec 2012; 171:597. [DOI: 10.1136/vr.101005] [Citation(s) in RCA: 23] [Impact Index Per Article: 1.9] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/04/2022]
Affiliation(s)
- K. Ganapathy
- Department of infection Biology; University of Liverpool; Leahurst Campus, Neston South Wirral CH64 7TE UK
| | - M. Wilkins
- Department of infection Biology; University of Liverpool; Leahurst Campus, Neston South Wirral CH64 7TE UK
| | - A. Forrester
- Department of infection Biology; University of Liverpool; Leahurst Campus, Neston South Wirral CH64 7TE UK
| | - S. Lemiere
- Merial S.A.S., 29 Avenue Tony Garnier Lyon cedex 07 69348 France
| | - T. Cserep
- MSD Animal Health; Walton Manor Milton Keynes MK7 7AJ UK
| | - P. McMullin
- Poultry Health Centre; Dalton Thirsk North Yorkshire YO7 3JA UK
| | - R. C. Jones
- Department of infection Biology; University of Liverpool; Leahurst Campus, Neston South Wirral CH64 7TE UK
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Ghofrani H, Grimminger F, Hoeper M, Kim N, Mayer E, Neuser D, Pena J, Simonneau G, Wilkins M. Riociguat for the Treatment of Inoperable Chronic Thromboembolic Pulmonary Hypertension: A Randomized, Double-Blind, Placebo-Controlled Study (CHEST-1). Chest 2012. [DOI: 10.1378/chest.1462924] [Citation(s) in RCA: 12] [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: 11/01/2022] Open
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Abstract
AIM To determine the prevalence of antibody titres to Toxoplasma gondii and Campylobacter fetus fetus in sheep from New Zealand. METHODS As part of a free screening service, unsolicited blood samples were supplied by veterinarians wishing to gauge the exposure of their clients' ewe flocks to T. gondii and C. fetus fetus. Blood samples were submitted from mixed-age ewes throughout New Zealand, from 2006 to 2009, that had not been vaccinated for T. gondii and C. fetus fetus. A total of 2,254 sera were serologically titrated for T. gondii and 3,429 for C. fetus fetus. A latex agglutination kit available commercially was used to quantify antibodies to T. gondii, and an agglutination test developed in-house was used for C. fetus fetus. For T. gondii, titres of ≥1:16 and ≥1:64 were used to define a positive response, and for C. fetus fetus a titre of ≥1:10 was defined as positive. A flock was defined as positive if ≥1 ewe had a positive titre. RESULTS Of the sera tested for T. gondii, 1,917/2,254 (85%) were positive, using a titre of ≥1:16, and 1,384/2,254 (61%) with a titre of ≥1:64. All 198 ewe flocks tested were seropositive to T. gondii, at a titre of ≥1:16, and all but three were at a titre of ≥1:64. A bimodal distribution was evident in the prevalence of titres to T. gondii suggesting that a percentage of titres ≤1:64 may have been non-specific. Of the sera tested for C. fetus fetus, 1,644/3,429 (48%) were positive to at least one of the four test antigens at titre of ≥1:10. Only 34/298 (11%) flocks tested for C. fetus fetus were completely seronegative. The percentage of seropositive ewes to both T. gondii and C. fetus fetus was significantly higher in the North Island than the South Island. CONCLUSIONS The study demonstrated that exposure to these two important infectious abortifacients was both considerable and widespread. Minimum titres were postulated to establish a 'cut-off' for a positive result and to allow comparison with past and future studies. The bimodal distribution evident for T. gondii suggested a titre of 1:64 may be an appropriate cut-off. The widespread on-farm exposure probably stimulates the immune response of vaccinated ewes. CLINICAL RELEVANCE Further studies are required to confirm the clinical significance of flock-based antibody responses, and to validate their use in identifying recently aborted ewes, especially where there are no aborted fetuses for examination.
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Affiliation(s)
- R P Dempster
- Intervet/Schering-Plough Animal Health Ltd, Upper, New Zealand.
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Rhodes C, Howard L, Busbridge M, Ashby D, Kondili E, Gibbs J, Wharton J, Wilkins M. P33 Iron deficiency independently predicts survival in idiopathic pulmonary arterial hypertension. Thorax 2010. [DOI: 10.1136/thx.2010.150961.33] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.1] [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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Zhai Z, Murphy K, Tighe H, Wang C, Wilkins M, Gibbs S, Howard LS. S98 Ventilatory efficiency in pulmonary arterial hypertension and chronic thromboembolic pulmonary hypertension: physiological differences and implications for disease-specific end-points. Thorax 2010. [DOI: 10.1136/thx.2010.150938.49] [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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Stanojcic N, Wilkins M, Bunce C, Ionides A. Visual fields in patients with multifocal intraocular lens implants and monovision: an exploratory study. Eye (Lond) 2010; 24:1645-51. [PMID: 20733559 DOI: 10.1038/eye.2010.104] [Citation(s) in RCA: 9] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/09/2022] Open
Abstract
PURPOSE To assess the difference in binocular visual fields (VFs) in patients who underwent bilateral cataract surgery with either multifocal (MF; Tecnis ZM900, AMO) intraocular lenses (IOLs) or monofocal IOLs with powers adjusted to give monovision (MV; Akreos AO, Bausch&Lomb). SETTING St George's & Moorfields Eye Hospital, London. METHODS Prospective exploratory study. Binocular Esterman VFs (Humphrey Field Analyser II) were compared between 10 participants with MV and 16 participants with MF IOLs. The dominant eye in MV participants had 0 to -0.50DS and the non-dominant eye had between -1.0DS and -1.5DS. Best-corrected Snellen visual acuity for all 52 eyes was six out of nine or better. The main outcome measure was Esterman Efficiency Score. Incidence of suboptimal VF results (≥1 Unseen Locations--ULs) and mean testing times in the two groups were compared. RESULTS There was no statistically significant difference in the incidence of suboptimal VF results in these two groups (P=0.662). Test durations in the two groups were not significantly different (P=0.650). However, 3/10 MV plots (33%) had markedly suboptimal right hemi-fields (distance-dominant eye) compared with 0/15 MF plots. Additionally, the MV group accounted for 79% of total ULs (20/29) and all these ULs were distributed in areas outside or bordering the true binocular VFs. CONCLUSIONS All included VFs met the UK driving standards criteria. The pattern of VF defects encountered in the MV group is of interest because the majority of ULs (13/20; 65%) corresponded to the monocular VFs of the distance-dominant eye.
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Affiliation(s)
- N Stanojcic
- St George's University of London, Cranmer Terrace, London, UK.
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Manzouri B, Subash M, Wilkins M. West J Med 2009; 338:b1694-b1694. [DOI: 10.1136/bmj.b1694] [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]
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Feltis BN, Sexton BA, Glenn FL, Best MJ, Wilkins M, Davis TJ. A hand-held surface plasmon resonance biosensor for the detection of ricin and other biological agents. Biosens Bioelectron 2007; 23:1131-6. [PMID: 18155516 DOI: 10.1016/j.bios.2007.11.005] [Citation(s) in RCA: 106] [Impact Index Per Article: 6.2] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/06/2007] [Revised: 10/17/2007] [Accepted: 11/02/2007] [Indexed: 01/16/2023]
Abstract
There is an ongoing need for field-deployable biosensor devices. We have constructed a fully self-contained, hand-held biosensor, based on the surface plasmon resonance technique. The dimensions of the sensor unit are 15 x 8 cm, the weight is 600 g and it is powered by a 9 V battery. We have characterised the responsiveness of the sensor using calibrated sucrose solutions and were able to measure changes as small as 3.3 x 10(-6) refractive index units. To demonstrate functionality of the sensor, we have prepared surfaces with an antibody fragment specific for the biological toxin ricin. We were able to detect ricin at 200 ng/mL in 10 min, which is approximately 2500 times less than the minimum lethal dose. We were also able to verify positive binding within a second 10 min window. This sensor demonstrates important steps required for the development of fully integrated, hand-held sensor devices and will form the basis of a multi-analyte system, to be developed in the near future. It also represents the first completely hand-held SPR device, not requiring external power or a computer connection to operate.
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Affiliation(s)
- B N Feltis
- CSIRO Materials Science and Engineering, Clayton, Victoria, Australia.
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Affiliation(s)
- Richard Bogle
- Experimental Medicine and Toxicology, Imperial College London, Hammersmith Hospital, London W12 0HS, UK
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Wilkins M. Reply to intrevitreal triamcinolone for branch retinal vein occlusion. Eye (Lond) 2006; 20:727-8; author reply 728. [PMID: 16021196 DOI: 10.1038/sj.eye.6701947] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/08/2022] Open
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Younus M, Wilkins M, Arshad M, Rahbar MH, Saeed AM. Risk of Salmonella Enteritidis Infection in Michigan: Regression Model for Selected Risk Factors Using Poisson Analysis. Am J Epidemiol 2006. [DOI: 10.1093/aje/163.suppl_11.s197-b] [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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Sauron R, Wilkins M, Jessent V, Dubois A, Maillot C, Weil A. Absence of a food effect with a 145 mg nanoparticle fenofibrate tablet formulation. Int J Clin Pharmacol Ther 2006; 44:64-70. [PMID: 16502765 DOI: 10.5414/cpp44064] [Citation(s) in RCA: 60] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/18/2022] Open
Abstract
OBJECTIVES The present study was conducted to assess the effect of food on the bioavailability of fenofibric acid from a new tablet formulation containing fenofibrate nanoparticles. METHODS In this 3-way crossover study, 45 subjects received in a random order one 145 mg fenofibrate tablet under high-fat fed (HFF), low-fat fed (LFF) or fasting (reference) conditions. Plasma concentrations of fenofibric acid were determined up to 120 hours post-dose. Comparisons were made between test (HFF and LFF) and reference conditions (fasting). RESULTS Very close values of pharmacokinetic parameters were obtained following the three diffiferent regimens. The 90% confidence intervals (CI) for the ratio of geometric means of HIFF versus fasting condition were (1.018-1.088) for AUCinfinity, (1.020-1.090) for AUCt and (0.963-1.054) for Cmax with point estimate:s of 1.052, 1.054 and 1.007, respectively. The 90% CI for the geometric means of LFF versus fasting condition were (0.978-1.046) for AUGinfinity, (0.981-1.047) for AUCt and (0.964-1.055) for Cmax with point estimates of 1.012, 1.013 and 1.009, respectively. They all fall within the required limits for bioequivalence (0.80-1.25). A slightly prolonged tmax was observed following HFF conditions (4.3 +/- 1.9 hours, versus 3.6 +/- 1.2 hours and 2.3 +/- 0.7 hours under LFF and fasting conditions, respectively), without any effect on mean Cmax. CONCLUSION The peak and overall exposures from the new 145 mg fenofibrate tablet were not affected by food. Therefore, this new fenofibrate tablet may be taken without regard to the timing of meals.
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Affiliation(s)
- R Sauron
- Department of Clinical Pharmacokinetics, Laboratoires Fournier S.A., 50, Rue de Dijon, 21121 Daix, France.
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Abstract
BACKGROUND Trabeculectomy is performed as a treatment for glaucoma to lower the intraocular pressure (IOP). Mitomycin C (MMC) is an antimetabolite used during the initial stages of a trabeculectomy to prevent excessive postoperative scarring and thus reduce the risk of failure. OBJECTIVES To assess the effects of intraoperative MMC compared to placebo in trabeculectomy. SEARCH STRATEGY We searched the Cochrane Central Register of Controlled Trials (CENTRAL) (which contains the Cochrane Eyes and Vision Group Trials Register) on The Cochrane Library (Issue 1, 2005), MEDLINE (1966 to March 2005), EMBASE (1985 to 20 March 2005), SIGLE (1980 to December 2004), the National Research Register (Issue 1, 2005), LILACS (29 March 2005) and reference lists of articles. We also contacted researchers in the field. SELECTION CRITERIA We included randomised trials of intraoperative MMC compared to placebo in trabeculectomy surgery. DATA COLLECTION AND ANALYSIS Two authors independently assessed trial quality and extracted data. We contacted trial investigators for missing information. MAIN RESULTS Eleven trials, involving a total of 698 participants, were included. The trials enrolled three types of participants (high risk of failure, trabeculectomy combined with cataract surgery, no previous surgical intervention). Mitomycin C appears to reduce the relative risk of failure of trabeculectomy both in eyes at high risk of failure (relative risk 0.32, 95% confidence interval 0.20 to 0.53) and those undergoing surgery for the first time (relative risk 0.29, 95% confidence interval 0.16 to 0.53). No significant effect on failure was noted in the group undergoing trabeculectomy combined with cataract extraction. Mean IOP was significantly reduced at 12 months in all three participant groups receiving MMC compared to placebo. No significant increase in permanent sight-threatening complications was detected. However, none of the trials were large enough or of sufficient duration to address the long-term risk of bleb infection and endophthalmitis which has been reported in observational studies. Some evidence exists that MMC increases the risk of cataract. AUTHORS' CONCLUSIONS Intraoperative MMC reduces the risk of surgical failure in eyes that have undergone no previous surgery and in eyes at high risk of failure. Compared to placebo it reduces mean IOP at 12 months in all groups of participants in this review. Apart from an increase in cataract formation following MMC, there was insufficient power to detect any increase in other serious side effects such as endophthalmitis.
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Affiliation(s)
- M Wilkins
- Moorfields Eye Hospital, City Road, London, UK EC1V 2PD.
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Brada M, Ashley S, Dowe A, Gonsalves A, Huchet A, Pesce G, Reni M, Saran F, Wharram B, Wilkins M, Wilkins P. Neoadjuvant phase II multicentre study of new agents in patients with malignant glioma after minimal surgery. Report of a cohort of 187 patients treated with temozolomide. Ann Oncol 2005; 16:942-9. [PMID: 15870090 DOI: 10.1093/annonc/mdi183] [Citation(s) in RCA: 26] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/13/2022] Open
Abstract
BACKGROUND The aim of this study was to assess the efficacy of new agents in patients with malignant glioma in a neoadjuvant setting not confounded by surgery. The first study of neoadjuvant temozolomide aimed to provide a benchmark for future evaluation of new treatments. PATIENTS AND METHODS This was a multicentre phase II study of chemotherapy in patients with histologically verified glioblastoma multiforme (GBM) and anaplastic astrocytoma (AA) who had undergone biopsy alone. Patients were planned to receive two cycles of temozolomide at 200 mg/m(2) orally daily for 5 days at a 28-day interval prior to radiotherapy. Response was assessed by two central observers on pre- and post-chemotherapy enhanced scans using bi-dimensional criteria and as progression-free survival (PFS) at the time of second assessment prior to radiotherapy. Withdrawal from the study due to worsening clinical condition was, in the absence of second imaging, assessed as progressive disease. Survival and quality of life (QOL) were secondary endpoints. RESULTS Between August 1999 and June 2002, 188 patients from 15 UK and two Italian centres were entered into the study and 187 were analysed. Overall, 162 patients were assessable for response; seven had partial and 25 had minimal response. The objective response rate was 20% [95% confidence interval (CI) 14-26%] and PFS prior to commencing radiotherapy was 64% (95% CI 57-72%). The median survival was 10 months, and 1-year survival 41%. The median survival of responders was 16 months compared to 3 months in patients with progressive disease (P <0.001 on multivariate analysis). CONCLUSION The phase II study design of primary chemotherapy in patients with malignant glioma following biopsy alone is feasible and provides as objective a method of assessment of efficacy as is currently available. The baseline data on temozolomide provide a benchmark for assessment of efficacy of other agents and combinations.
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Affiliation(s)
- M Brada
- Academic Unit of Radiotherapy and Oncology, The Institute of Cancer Research, London.
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Abstract
BACKGROUND We studied previously patterns of organ donation in a teaching hospital. Eleven years later we repeated the study to investigate how patterns had changed. We also wanted to see whether non-heart beating donation was being practised in our intensive care units. METHODS All deaths were prospectively audited to identify potential heart beating and non-heart beating organ donors. The actual organ donors and reasons for not donating were identified. RESULTS Overall, there was a significant reduction in the number of potential organ donors in the 11-yr period. This was accompanied by an increase in refusal rates by relatives from 10 to 29%, and a decrease in refusal rates by the coroner from 28 to 11%. CONCLUSIONS In this hospital the number of potential and actual organ donors has fallen in 11 yr. This is a combination of decreasing numbers of patients becoming brain dead and increased relative refusal rate. It has only been partially offset by a more liberal attitude of the coroner and non-heart beating donors.
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Affiliation(s)
- G R Park
- John Farman Intensive Care Unit, Addenbrooke's Hospital, Hills Road, Cambridge CB2 2QQ, UK.
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Wilkins M, Moe MM. Acute painless thyroiditis with transient thyrotoxicosis during external beam irradiation to non-Hodgkin's lymphoma of the thyroid gland. Clin Oncol (R Coll Radiol) 2002; 13:311. [PMID: 11554636] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [MESH Headings] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/21/2023]
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Wilkins M. Report on the 21st Derwent UK User Group Meeting, London, October 2000. World Patent Information 2001. [DOI: 10.1016/s0172-2190(00)00106-x] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/29/2022]
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Abstract
BACKGROUND Trabeculectomy is performed as a treatment for many types of glaucoma in an attempt to lower the intra-ocular pressure. Mitomycin C is an antimetabolite applied between the sclera and conjunctiva during the initial stages of a trabeculectomy to prevent excessive post-operative scarring and thus reduce the risk of failure. OBJECTIVES The objective of this review is to assess the effects of intra-operative application of mitomycin C in eyes of people undergoing trabeculectomy. SEARCH STRATEGY We searched the Cochrane Eyes and Vision Group specialised register, The Cochrane Controlled Trials Register - CENTRAL, MEDLINE, EMBASE and the reference lists of relevant articles. We used the Science Citation Index to search for articles that cited the included studies. We contacted investigators and experts for details of additional relevant trials. SELECTION CRITERIA We included randomised trials of intra-operative mitomycin C compared to placebo in trabeculectomy. DATA COLLECTION AND ANALYSIS Two reviewers independently assessed trial quality and extracted data. We contacted trial investigators for missing information. Data were summarised using relative risk, odds ratio and weighted mean difference. MAIN RESULTS This review includes 11 trials involving a total of 698 participants. The trials included three types of participants (those at high risk of failure, those undergoing trabeculectomy combined with cataract surgery, and those with no previous surgical intervention). Mitomycin C appears to be effective in reducing the relative risk of failure of trabeculectomy both in eyes at high risk of failure (relative risk 0.32, 95% confidence interval 0.20 to 0.53) and those undergoing surgery for the first time (relative risk 0.29, 95% confidence interval 0.16 to 0.53). No significant effect on failure was noted in the group undergoing trabeculectomy combined with cataract extraction. Mean intra-ocular pressure was significantly reduced at 12 months in all three participant groups receiving mitomycin C compared to placebo. No significant increase in permanent sight threatening complications was detected. Some evidence exists that mitomycin C increases the risk of cataract. The quality of trial reporting is poor in eight trials. Repeat analysis with three trials rated as low risk of bias did not yield different results. REVIEWER'S CONCLUSIONS Intra-operative mitomycin C reduces the risk of surgical failure in eyes that have undergone no previous surgery and in eyes at high risk of failure. Compared to placebo it reduces mean intra-ocular pressure at 12 months in all groups of participants in this review. Apart from an increase in cataract formation following mitomycin C, no demonstrable significant increase in other side effects was detected.
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Affiliation(s)
- M Wilkins
- Moorfields Eye Hospital, City Road, London, UK, EC1V 2PD.
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Schultz AA, Ashby-Hughes B, Taylor R, Gillis DE, Wilkins M. Effects of pectin on diarrhea in critically ill tube-fed patients receiving antibiotics. Am J Crit Care 2000; 9:403-11. [PMID: 11072556] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/18/2023]
Abstract
BACKGROUND Anaerobic colonic flora are necessary for the fermentation of fiber into short-chain fatty acids and constitute the bulk of fecal mass. Lack of dietary fiber in most enteral feedings, compounded by antibiotic therapy, suppresses normal colonic metabolism, resulting in diarrhea. Pectin, a water-soluble fiber, stimulates epithelial growth in the colon and thus reduces diarrhea. METHODS Forty-four critically ill patients receiving enteral nutrition and antibiotic therapy were randomized to receive fiber-containing or fiber-free tube feedings and pectin or placebo. Data on frequency, consistency, and volume of fecal output; energy (caloric) intake; and administration of specific medications were collected for 9 days. Diarrhea was defined as 2 or more days with scores of 12 or higher on the Hart and Dobb diarrhea scale. RESULTS Subjects in the 4 groups did not differ significantly in age, sex, severity of illness, or energy intake. Twelve subjects (27.3%) experienced diarrhea. Significantly fewer subjects in the fiber-free/placebo and fiber/pectin groups experienced diarrhea than did subjects in the fiber/placebo group (P = .02). On the basis of repeated-measures analysis of variance of daily mean scores, the severity of diarrhea did not differ significantly among the study groups over time (P = .16). CONCLUSIONS The reduced rate of diarrhea found in this study may be related to the stringent definition of diarrhea used. The therapeutic dose of pectin for reducing diarrhea needs further exploration. The trend was toward less diarrhea in the fiber/pectin group, but the study needs to be replicated with a larger sample.
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Schultz AA, Ashby-Hughes B, Taylor R, Gillis DE, Wilkins M. Effects of pectin on diarrhea in critically ill tube-fed patients receiving antibiotics. Am J Crit Care 2000. [DOI: 10.4037/ajcc2000.9.6.403] [Citation(s) in RCA: 47] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/01/2022]
Abstract
BACKGROUND: Anaerobic colonic flora are necessary for the fermentation of fiber into short-chain fatty acids and constitute the bulk of fecal mass. Lack of dietary fiber in most enteral feedings, compounded by antibiotic therapy, suppresses normal colonic metabolism, resulting in diarrhea. Pectin, a water-soluble fiber, stimulates epithelial growth in the colon and thus reduces diarrhea. METHODS: Forty-four critically ill patients receiving enteral nutrition and antibiotic therapy were randomized to receive fiber-containing or fiber-free tube feedings and pectin or placebo. Data on frequency, consistency, and volume of fecal output; energy (caloric) intake; and administration of specific medications were collected for 9 days. Diarrhea was defined as 2 or more days with scores of 12 or higher on the Hart and Dobb diarrhea scale. RESULTS: Subjects in the 4 groups did not differ significantly in age, sex, severity of illness, or energy intake. Twelve subjects (27.3%) experienced diarrhea. Significantly fewer subjects in the fiber-free/placebo and fiber/pectin groups experienced diarrhea than did subjects in the fiber/placebo group (P = .02). On the basis of repeated-measures analysis of variance of daily mean scores, the severity of diarrhea did not differ significantly among the study groups over time (P = .16). CONCLUSIONS: The reduced rate of diarrhea found in this study may be related to the stringent definition of diarrhea used. The therapeutic dose of pectin for reducing diarrhea needs further exploration. The trend was toward less diarrhea in the fiber/pectin group, but the study needs to be replicated with a larger sample.
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