Please use this identifier to cite or link to this item: http://ktisis.cut.ac.cy/handle/10488/4393
Title: Secretory phospholipase A2-IIA and cardiovascular disease: a mendelian randomization study
Authors: Holmes, Michael Vaclav 
Simon, Tabassome 
Exeter, Holly J. 
Folkersen, Lasse 
Asselbergs, Folkert W. 
Guardiola, Montse 
Cooper, Jackie A. 
Palmen, Jutta A. 
Hubacek, Jaroslav Alois 
Carruthers, Kathryn F. 
Horne, Benjamin D. 
Ford, Ian 
Klungel, Olaf H H 
Kumari, Meena 
Whincup, Peter H. 
Morrow, David A. 
Morris, Richard W. 
Braund, Peter S. 
Hall, Alistair S. 
Doevendans, Pieter A F M 
Trip, Mieke D. 
Price, Jackie F. 
Tobin, Martin D. 
Hamsten, Anders 
Koenig, Wolfgang 
Nicolaides, Andrew N. 
Teupser, Daniel 
Day, Ian N.M. 
Jukema, Johan Wouter Outer 
Carlquist, John F. 
Gaunt, Tom R. 
Sattar, Naveed A. 
Tsimikas, Sotirios 
Fox, Keith A.A. 
Schwartz, Gregory G. 
Lawlor, Debbie A. 
Sandhu, Manjinder S. 
Poledne, Rudolf 
Maitland-van Der Zee, Anke Hilse 
Khaw, Kay Tee T 
Eriksson, Per Olof 
Keating, Brendan J. 
Van Der Harst, Pim 
Mehta, Shamir R. 
Yusuf, Salim M. 
Brunisholz, Kimberly D. 
Witteman, Jacqueline C M 
Franco, Oscar H. 
De Knijff, Peter 
Tybjærg-Hansen, Anne 
Rader, Daniel J. 
Farrall, Martin J. 
Verschuren, Jeffrey J W 
Samani, Nilesh 
Kivimaki, Mika 
Humphries, Steve Eric 
Anderson, Jeffrey L. 
Danchin, N. 
Boekholdt, S. Matthijs 
Palmer, Tom M. 
Pare, Guillaume J. 
Hingorani, Aroon D. 
Sabatine, Marc S. 
Mallat, Ziad 
Goel, Anuj K. 
Casas, Juan Pablo 
Talmud, Philippa J. 
Mega, Jessica 
Van Iperen, Erik P A 
Tremoli, Elena 
Leusink, Maarten 
Trompet, Stella 
Hovingh, Gerald Kees 
Dehghan, Abbas Jan 
Nelson, Christopher P. 
Kotti, Salma 
Mateo Leach, Irene 
Scholz, Markus R. 
Haase, Christiane L. 
Rothenbacher, Dietrich 
Swerdlow, Daniel I. 
Franco-Cereceda, Anders 
Kuchenbaecker, Karoline B. 
Staines-Urias, Eleonora 
Van 'T Hooft, Ferdinand M. 
Gertow, Karl 
De Faire, Ulf H. 
Panayiotou, Andrie 
Adamkova, Vera 
Baldassarre, Damiano 
Veglia, Fabrizio 
Holdt, Lesca Miriam 
Beutner, Frank 
Spiering, Wilko 
Gansevoort, Ron T. 
Navis, Gerjan J. 
Breitling, Lutz Philipp H 
Brenner, Hermann Hermann 
Thiery, Joachim J. 
Dallmeier, Dhayana 
Olsson, Anders G. 
Boer, Jolanda Ma A 
Stephens, Jeffrey W. 
Hofker, Marten 
Tedgui, Alain S. 
Watkins, Hugh C. 
Hofman, Albert 
Uitterlinden, Andre Gerardus 
Piťha, Jan 
Onland-Moret, N. Charlotte 
Cramer, Maarten Jan M 
Nathoe, H. 
Keywords: Cardiovascular diseases
Drug development
Epidemiology
Genetics
Mendelian randomization
Issue Date: 19-Nov-2013
Publisher: Elsevier B.V.
Source: Journal of the American College of Cardiology, 2013, Volume 62, Issue 21, Pages 1966-1976
Abstract: Objectives This study sought to investigate the role of secretory phospholipase A2 (sPLA2)-IIA in cardiovascular disease. Background Higher circulating levels of sPLA2-IIA mass or sPLA 2 enzyme activity have been associated with increased risk of cardiovascular events. However, it is not clear if this association is causal. A recent phase III clinical trial of an sPLA2 inhibitor (varespladib) was stopped prematurely for lack of efficacy. Methods We conducted a Mendelian randomization meta-analysis of 19 general population studies (8,021 incident, 7,513 prevalent major vascular events [MVE] in 74,683 individuals) and 10 acute coronary syndrome (ACS) cohorts (2,520 recurrent MVE in 18,355 individuals) using rs11573156, a variant in PLA2G2A encoding the sPLA2-IIA isoenzyme, as an instrumental variable. Results PLA2G2A rs11573156 C allele associated with lower circulating sPLA2-IIA mass (38% to 44%) and sPLA2 enzyme activity (3% to 23%) per C allele. The odds ratio (OR) for MVE per rs11573156 C allele was 1.02 (95% confidence interval [CI]: 0.98 to 1.06) in general populations and 0.96 (95% CI: 0.90 to 1.03) in ACS cohorts. In the general population studies, the OR derived from the genetic instrumental variable analysis for MVE for a 1-log unit lower sPLA2-IIA mass was 1.04 (95% CI: 0.96 to 1.13), and differed from the non-genetic observational estimate (OR: 0.69; 95% CI: 0.61 to 0.79). In the ACS cohorts, both the genetic instrumental variable and observational ORs showed a null association with MVE. Instrumental variable analysis failed to show associations between sPLA 2 enzyme activity and MVE. Conclusions Reducing sPLA2-IIA mass is unlikely to be a useful therapeutic goal for preventing cardiovascular events.
URI: http://ktisis.cut.ac.cy/jspui/handle/10488/4393
ISSN: 0735-1097
DOI: 10.1016/j.jacc.2013.06.044
Rights: © American College of Cardiology Foundation
Appears in Collections:Άρθρα/Articles

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