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Published in: Current Atherosclerosis Reports 10/2013

01-10-2013 | Clinical Trials and Their Interpretations (J Plutzky, Section Editor)

Update on Lipoprotein(a) as a Cardiovascular Risk Factor and Mediator

Authors: Michael B. Boffa, Marlys L. Koschinsky

Published in: Current Atherosclerosis Reports | Issue 10/2013

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Abstract

Recent genetic studies have put the spotlight back onto lipoprotein(a) [Lp(a)] as a causal risk factor for coronary heart disease. However, there remain significant gaps in our knowledge with respect to how the Lp(a) particle is assembled, the route of its catabolism, and the mechanism(s) of Lp(a) pathogenicity. It has long been speculated that the effects of Lp(a) in the vasculature can be attributed to both its low-density lipoprotein moiety and the unique apolipoprotein(a) component, which is strikingly similar to the kringle-containing fibrinolytic zymogen plasminogen. However, the ability of Lp(a) to modulate either purely thrombotic or purely atherothrombotic processes in vivo remains unclear. The presence of oxidized phospholipid on Lp(a) may underlie many of the proatherosclerotic effects of Lp(a) that have been identified both in cell models and in animal models, and provides a possible avenue for identifying therapeutics aimed at mitigating the effects of Lp(a) in the vasculature. However, the beneficial effects of targeted Lp(a) therapeutics, designed to either lower Lp(a) concentrations or interfere with its effects, on cardiovascular outcomes remains to be determined.
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Metadata
Title
Update on Lipoprotein(a) as a Cardiovascular Risk Factor and Mediator
Authors
Michael B. Boffa
Marlys L. Koschinsky
Publication date
01-10-2013
Publisher
Springer US
Published in
Current Atherosclerosis Reports / Issue 10/2013
Print ISSN: 1523-3804
Electronic ISSN: 1534-6242
DOI
https://doi.org/10.1007/s11883-013-0360-6

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