25-Hydroxycholesterol impairs endothelial function and vasodilation by uncoupling and inhibiting endothelial nitric oxide synthase

ZJ Ou, J Chen, WP Dai, X Liu… - American Journal …, 2016 - journals.physiology.org
Endothelial dysfunction is a key early step in atherosclerosis. 25-Hydroxycholesterol (25-
OHC) is found in atherosclerotic lesions. However, whether 25-OHC promotes …

Antiapoptotic and proliferative effects of low concentrations of 7β-hydroxycholesterol in human endothelial cells via ERK activation

L Trevisi, A Bertoldo, L Agnoletto, C Poggiani… - Journal of vascular …, 2010 - karger.com
The atherogenic potential of oxidized low-density lipoproteins (oxLDL) has been correlated
to their 7β-hydroxycholesterol (7βOHC) content; oxLDLs have a dual effect on endothelial …

[HTML][HTML] The cholesterol metabolite 27-hydroxycholesterol promotes atherosclerosis via proinflammatory processes mediated by estrogen receptor alpha

M Umetani, P Ghosh, T Ishikawa, J Umetani, M Ahmed… - Cell metabolism, 2014 - cell.com
Oxysterols are cholesterol metabolites that serve multiple functions in lipid metabolism,
including as liver X receptor (LXR) ligands. 27-hydroxycholesterol (27HC) is an abundant …

The impairment of endothelium‐dependent arterial relaxation by7‐ketocholesterol is associated with an early activation of protein kinase C

V Deckert, L Duverneuil, S Poupon… - British journal of …, 2002 - Wiley Online Library
Among components of oxidized low density lipoproteins, cholesterol derivatives oxidized in
position 7 inhibit endothelium‐dependent arterial relaxation by decreasing the release of the …

[HTML][HTML] The effect of 7-ketocholesterol and 25-hydroxycholesterol on the integrity of the human aortic endothelial and intestinal epithelial barriers

M Chalubinski, K Zemanek, W Skowron, K Wojdan… - Inflammation …, 2013 - Springer
Objective and design The damage of barrtier tissues, such as the vascular endothelium and
intestinal epithelium, may lead to disturbances of local immune homeostasis. The aim of the …

Mevastatin increases eNO synthase expression and inhibits lipid peroxidation in human endothelial cells

CG Schalkwijk, B Van Dam… - Clinical …, 2007 - content.iospress.com
Statins can protect endothelial activation independent from their lipid-lowering effects. To
gain more insight in mechanisms via which HMG-CoA inhibition may attenuate endothelial …

Macrophage-derived 25-hydroxycholesterol promotes vascular inflammation, atherogenesis, and lesion remodeling

A Canfrán-Duque, N Rotllan, X Zhang… - Circulation, 2023 - Am Heart Assoc
Background: Cross-talk between sterol metabolism and inflammatory pathways has been
demonstrated to significantly affect the development of atherosclerosis. Cholesterol …

Hypercholesterolemia promotes inflammation and microvascular dysfunction: role of nitric oxide and superoxide

KY Stokes, D Cooper, A Tailor, DN Granger - Free Radical Biology and …, 2002 - Elsevier
Relatively brief periods (days) of hypercholesterolemia can exert profound effects on
endothelium-dependent functions of the microcirculation, including dilation of arterioles, fluid …

7-ketocholesterol induces protein ubiquitination, myelin figure formation, and light chain 3 processing in vascular smooth muscle cells

W Martinet, M De Bie, DM Schrijvers… - … , and vascular biology, 2004 - Am Heart Assoc
Objective—Oxysterols such as 7-ketocholesterol (7-KC) are important mediators of cell
death in atherosclerosis. Therefore, in vitro studies of human smooth muscle cell (SMC) …

Cholesterol-3-beta, 5-alpha, 6-beta-triol induced PI3K-Akt-eNOS-dependent cyclooxygenase-2 expression in endothelial cells

PL Liao, YW Cheng, CH Li, YL Lo, JJ Kang - Toxicology letters, 2009 - Elsevier
Oxidized cholesterols belong to a subgroup of oxLDLs which play major roles in
atherosclerosis. In order to investigate the contribution of oxysterols from oxLDLs in …