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  1. Article: Laboratory assessment of HDL heterogeneity and function.

    Movva, Rajesh / Rader, Daniel J

    Clinical chemistry

    2008  Volume 54, Issue 5, Page(s) 788–800

    Abstract: ... that substantially increased HDL-C concentrations, has brought focus on the issues of HDL heterogeneity and function ... regarding assays of HDL heterogeneity and function and their relationship to cardiovascular disease. HDL is ... laboratory assays of HDL subfractions and functions and validation of the usefulness of these assays ...

    Abstract Background: Plasma concentrations of HDL cholesterol (HDL-C) and its major protein component apolipoprotein (apo) A-I are strongly inversely associated with cardiovascular risk, leading to the concept that therapy to increase HDL-C and apoA-I concentrations would be antiatherosclerotic and protective against cardiovascular events. The recent failure of the drug torcetrapib, a cholesteryl ester transfer protein inhibitor that substantially increased HDL-C concentrations, has brought focus on the issues of HDL heterogeneity and function as distinct from HDL-C concentrations.
    Content: This review addresses the current state of knowledge regarding assays of HDL heterogeneity and function and their relationship to cardiovascular disease. HDL is highly heterogeneous, with subfractions that can be identified on the basis of density, size, charge, and protein composition, and the concept that certain subfractions of HDL may be better predictors of cardiovascular risk is attractive. In addition, HDL has been shown to have a variety of functions that may contribute to its cardiovascular protective effects, including promotion of macrophage cholesterol efflux and reverse cholesterol transport and antiinflammatory and nitric oxide-promoting effects.
    Summary: Robust laboratory assays of HDL subfractions and functions and validation of the usefulness of these assays for predicting cardiovascular risk and assessing response to therapeutic interventions are critically important and of great interest to cardiovascular clinicians and investigators and clinical chemists.
    MeSH term(s) Apolipoprotein A-I/chemistry ; Apolipoprotein A-I/physiology ; Atherosclerosis/etiology ; Atherosclerosis/metabolism ; Biological Transport ; Cholesterol/metabolism ; Esterification ; Humans ; Lipoproteins, HDL/blood ; Lipoproteins, HDL/chemistry ; Lipoproteins, HDL/physiology ; Phosphatidylcholine-Sterol O-Acyltransferase/metabolism
    Chemical Substances Apolipoprotein A-I ; Lipoproteins, HDL ; Cholesterol (97C5T2UQ7J) ; Phosphatidylcholine-Sterol O-Acyltransferase (EC 2.3.1.43)
    Language English
    Publishing date 2008-03-28
    Publishing country England
    Document type Journal Article ; Review
    ZDB-ID 80102-1
    ISSN 1530-8561 ; 0009-9147
    ISSN (online) 1530-8561
    ISSN 0009-9147
    DOI 10.1373/clinchem.2007.101923
    Database MEDical Literature Analysis and Retrieval System OnLINE

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  2. Article: Evaluation au laboratoire de l'hétérogénéité et des fonctions des HDL (version française).

    Movva, R / Rader, D J

    Annales de biologie clinique

    2009  Volume 67, Issue 1, Page(s) 7–21

    Abstract: ... that substantially increased HDL-C concentrations, has brought focus on the issues of HDL heterogeneity and function ... regarding assays of HDL heterogeneity and function and their relationship to cardiovascular disease. HDL is ... laboratory assays of HDL subfractions and functions and validation of the usefulness of these assays ...

    Title translation Laboratory assessment of HDL heterogeneity and function.
    Abstract Background: Plasma concentrations of HDL cholesterol (HDL-C) and its major protein component apolipoprotein (Apo) A-I are strongly inversely associated with cardiovascular risk, leading to the concept that therapy to increase HDL-C and ApoA-I concentrations would be antiatherosclerotic and protective against cardiovascular events. The recent failure of the drug torcetrapib, a cholesteryl ester transfer protein inhibitor that substantially increased HDL-C concentrations, has brought focus on the issues of HDL heterogeneity and function as distinct from HDL-C concentrations.
    Content: This review addresses the current state of knowledge regarding assays of HDL heterogeneity and function and their relationship to cardiovascular disease. HDL is highly heterogeneous, with subfractions that can be identified on the basis of density, size, charge, and protein composition, and the concept that certain subfractions of HDL may be better predictors of cardiovascular risk is attractive. In addition, HDL has been shown to have a variety of functions that may contribute to its cardiovascular protective effects, including promotion of macrophage cholesterol efflux and reverse cholesterol transport and antiinflammatory and nitric oxide-promoting effects.
    Summary: Robust laboratory assays of HDL subfractions and functions and validation of the usefulness of these assays for predicting cardiovascular risk and assessing response to therapeutic interventions are critically important and of great interest to cardiovascular clinicians and investigators and clinical chemists.
    MeSH term(s) Apolipoprotein A-I/blood ; Apolipoproteins/blood ; Biomarkers/blood ; Cardiovascular Diseases/blood ; Cardiovascular Diseases/epidemiology ; Cholesterol, HDL/blood ; Humans ; Lipoproteins, HDL/blood ; Predictive Value of Tests ; Risk Factors
    Chemical Substances Apolipoprotein A-I ; Apolipoproteins ; Biomarkers ; Cholesterol, HDL ; Lipoproteins, HDL
    Language French
    Publishing date 2009-01
    Publishing country France
    Document type English Abstract ; Journal Article ; Review
    ZDB-ID 418098-7
    ISSN 0003-3898
    ISSN 0003-3898
    DOI 10.1684/abc.2008.0284
    Database MEDical Literature Analysis and Retrieval System OnLINE

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