نتایج جستجو برای: abcg1 abcg5 pyy 3
تعداد نتایج: 1812486 فیلتر نتایج به سال:
The ABCG1 protein is centrally involved in reverse cholesterol transport from the vessel wall. Investigation of the effects of ABCG1 overexpression or knockdown in vivo has produced controversial results and strongly depended on the gene intervention model in which it was studied. Therefore, we investigated the effect of local overexpression of human ABCG1 in a novel model of vessel wall-direct...
Macrophage ABCA1 and ABCG1, but not SR-BI, promote macrophage reverse cholesterol transport in vivo.
Macrophage ATP-binding cassette transporter A1 (ABCA1), scavenger receptor class B type I (SR-BI), and ABCG1 have been shown to promote cholesterol efflux to extracellular acceptors in vitro and influence atherosclerosis in mice, but their roles in mediating reverse cholesterol transport (RCT) from macrophages in vivo are unknown. Using an assay of macrophage RCT in mice, we found that primary ...
ATP-binding cassette G1 (ABCG1) is a member of the large family of ABC transporters which are involved in the active transport of many amphiphilic and lipophilic molecules including lipids, drugs or endogenous metabolites. It is now well established that ABCG1 promotes the export of lipids, including cholesterol, phospholipids, sphingomyelin and oxysterols, and plays a key role in the maintenan...
PYY may play a role in modulating satiety and energy expenditure; increasing PYY postprandially has been studied largely in single-meal responses. The diurnal rhythm of PYY and its role in energy balance have not been fully characterized. The purpose of our study was to characterize features of the diurnal rhythm of PYY and determine its role in regulating energy balance. This study was a cross...
OBJECTIVE Adenosine monophosphate activated protein kinase (AMPK) has been identified as a regulator of vascular function via the preservation of endothelial cell (EC) function. In this study, we examined whether the beneficial effects of AMPK on ECs are dependent on its involvement in cholesterol efflux and its impact on hypercholesterolemia-induced endothelial dysfunction. METHODS AND RESUL...
Adenosine triphosphate (ATP)-binding cassette (ABC) transporters may play an important role in the pathogenesis of atherosclerotic vascular diseases due to their involvement in cholesterol homeostasis, blood pressure regulation, endothelial function, vascular inflammation, as well as platelet production and aggregation. In this regard, ABC transporters, such as ABCA1, ABCG5 and ABCG8, were init...
N-glycosylation of proteins in endoplasmic reticulum is critical for protein quality control. We showed here a post-translational N-glycosylation affected by the HRD1 E3 ubiquitin ligase. Both WT- and E3-defective C329S-HRD1 decreased the level of high mannose form of ABCG8, a protein that heterodimerizes with ABCG5 to control sterol balance. Meanwhile, HRD1 increased the non-glycosylated ABCG8...
ATP-binding cassette G1 (ABCG1) and ABCG4, expressed in neurons and glia in the central nervous system, mediate cholesterol efflux to lipid acceptors. The relationship between cholesterol level in the central nervous system and Alzheimer's disease has been reported. In this study, we examined the effects of ABCG1 and ABCG4 on amyloid precursor protein (APP) processing, the product of which, amy...
OBJECTIVE The objective of this study was to investigate the role of vascular ATP-binding cassette transporter G1 (ABCG1) in atherogenesis without a confounding difference in macrophage ABCG1 expression. ABCG1 is highly expressed in macrophages and endothelial cells. ABCG1 preserves endothelial function by maintaining endothelial NO synthase activity and by reducing adhesion molecule expression...
مقدمه و هدف: پروتیین انتقال دهنده غشایی ABCG1 ATP Binding Cassette transporter G1)) به عنوان یک واسطه کلیدی در تحویل کلسترول از ماکروفاژهای غنی از لیپید به آپو لیپوپروتیین A است که یکی از مراحل انتقال معکوس کلسترول در بدن و مرحله قطعی در جلوگیری از آترواسکلروز می باشد. افزایش بیان ABCG1 ممکن است مانع از تشکیل ماکروفاژهای غنی از لیپید شود و به دنبال آن خطر بروز آترواسکلروز کاهش یابد. نتایج مطالع...
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