| Biliary and nonbiliary contributions to reverse cholesterol transport. | |
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MedLine Citation:
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PMID: 22262055 Owner: NLM Status: Publisher |
Abstract/OtherAbstract:
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PURPOSE OF REVIEW: The process of reverse cholesterol transport (RCT) is critical for disposal of excess cholesterol from the body. Although it is generally accepted that RCT requires biliary secretion, recent studies show that RCT persists in genetic or surgical models of biliary insufficiency. Discovery of this nonbiliary pathway has opened new possibilities of targeting the intestine as an inducible cholesterol excretory organ. In this review we highlight the relative contribution and therapeutic potential for both biliary and nonbiliary components of RCT. RECENT FINDINGS: Recently, the proximal small intestine has gained attention for its underappreciated ability to secrete cholesterol in a process called transintestinal cholesterol efflux (TICE). Although this intestinal pathway for RCT is quantitatively less important than the biliary route under normal physiological conditions, TICE is highly inducible, providing a novel therapeutic opportunity for treatment of atherosclerotic cardiovascular disease (ASCVD). In fact, recent studies show that intestine-specific activation of RCT protects against ASCVD in mice. SUMMARY: It is well known that the small intestine plays a gatekeeper role in the maintenance of cholesterol balance. Through integrated regulation of cholesterol absorption and TICE, the small intestine is a key target for new therapies against ASCVD. |
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Authors:
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Ryan E Temel; J Mark Brown |
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Publication Detail:
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Type: JOURNAL ARTICLE Date: 2012-1-18 |
Journal Detail:
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Title: Current opinion in lipidology Volume: - ISSN: 1473-6535 ISO Abbreviation: - Publication Date: 2012 Jan |
Date Detail:
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Created Date: 2012-1-20 Completed Date: - Revised Date: - |
Medline Journal Info:
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Nlm Unique ID: 9010000 Medline TA: Curr Opin Lipidol Country: - |
Other Details:
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Languages: ENG Pagination: - Citation Subset: - |
Affiliation:
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Department of Pathology-Section on Lipid Sciences, Wake Forest University School of Medicine, Winston-Salem, North Carolina, USA. |
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From MEDLINE®/PubMed®, a database of the U.S. National Library of Medicine
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