Document Detail


Dichotomous roles of leptin and adiponectin as enforcers against lipotoxicity during feast and famine.
MedLine Citation:
PMID:  24072813     Owner:  NLM     Status:  In-Data-Review    
Abstract/OtherAbstract:
Science is marked by the death of dogmas; the discovery that adipocytes are more than just lipid-storing cells but rather produce potent hormones is one such example that caught physiologists by surprise and reshaped our views of metabolism. While we once considered the adipocyte as a passive storage organ for efficient storage of long-term energy reserves in the form of triglyceride, we now appreciate the general idea (once a radical one) that adipocytes are sophisticated enough to have potent endocrine functions. Over the past two decades, the discoveries of these adipose-derived factors ("adipokines") and their mechanistic actions have left us marveling at and struggling to understand the role these factors serve in physiology and the pathophysiology of obesity and diabetes. These hormones may serve an integral role in protecting nonadipose tissues from lipid-induced damage during nutrient-deprived or replete states. As such, adipocytes deliver not only potentially cytotoxic free fatty acids but, along with these lipids, antilipotoxic adipokines such as leptin, adiponectin, and fibroblast growth factor 21 that potently eliminate excessive local accumulation of these lipids or their conversion to unfavorable sphingolipid intermediates.
Authors:
Roger H Unger; Philipp E Scherer; William L Holland
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Publication Detail:
Type:  Journal Article    
Journal Detail:
Title:  Molecular biology of the cell     Volume:  24     ISSN:  1939-4586     ISO Abbreviation:  Mol. Biol. Cell     Publication Date:  2013 Oct 
Date Detail:
Created Date:  2013-09-27     Completed Date:  -     Revised Date:  -    
Medline Journal Info:
Nlm Unique ID:  9201390     Medline TA:  Mol Biol Cell     Country:  United States    
Other Details:
Languages:  eng     Pagination:  3011-5     Citation Subset:  IM    
Affiliation:
Touchstone Diabetes Center, Department of Internal Medicine, University of Texas Southwestern Medical Center, Dallas, TX 75390-8549 Department of Cell Biology, University of Texas Southwestern Medical Center, Dallas, TX 75390-8549.
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