Apolipoprotein CIII Links Hyperlipidemia With Vascular Endothelial Cell Dysfunction
Author(s) -
Akio Kawakami,
Mizuko Osaka,
Mariko Tani,
Hiroshi Azuma,
Frank M. Sacks,
Kentaro Shimokado,
Masayuki Yoshida
Publication year - 2008
Publication title -
circulation
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 7.795
H-Index - 607
eISSN - 1524-4539
pISSN - 0009-7322
DOI - 10.1161/circulationaha.108.784785
Subject(s) - medicine , endocrinology , endothelial dysfunction , insulin receptor , enos , protein kinase b , endothelium , protein kinase c , signal transduction , insulin , biology , insulin resistance , microbiology and biotechnology , nitric oxide synthase , nitric oxide
Apolipoprotein CIII (apoCIII) is a component of some triglyceride-rich very-low-density and low-density lipoprotein and is elevated in dyslipidemia with insulin resistance and the metabolic syndrome. We previously reported that apoCIII directly activates proinflammatory and atherogenic signaling in vascular endothelial cells through protein kinase C-beta (PKCbeta). Because PKCbeta impairs the response of vascular endothelial cells to insulin, we tested the hypothesis that apoCIII affects insulin signaling in vascular endothelial cells and its function in vitro and in vivo.
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