Document Detail


Time-dependent changes in lipid metabolism in mice with methionine choline deficiency-induced fatty liver disease.
MedLine Citation:
PMID:  22083307     Owner:  NLM     Status:  Publisher    
Abstract/OtherAbstract:
Methionine and choline-deficient diet (MCD)-induced fatty liver is one of the best-studied animal models of fatty liver disease. The present study was performed to clarify the relative contributions of individual lipid metabolic pathways to the pathogenesis of MCD-induced fatty liver. Hepatic lipogenesis mediated by the sterol regulatory element-binding protein (SREBP-1c) was increased at 1 week, but not at 6 weeks, of MCD feeding. On the other hand, (14)C-palmitate oxidation did not change at 1 week, but significantly decreased at 6 weeks. This decrease was associated with increased expression of fatty acid translocase, a key enzyme involved in fatty acid uptake. Expression of endoplasmic reticulum stress markers was increased in mice given MCD for both 1 and 6 weeks. These findings suggest the presence of time-dependent differences in lipid metabolism in MCD-induced fatty liver disease: SREBP-1c-mediated lipogenesis is important in the early stages of fatty liver disease, whereas increased fatty acid uptake and decreased fatty acid oxidation become more important in the later stages.
Authors:
Han-Sol Park; Byeong Hwan Jeon; Sung Hoon Woo; Jaechan Leem; Jung Eun Jang; Min Sock Cho; In-Sun Park; Ki-Up Lee; Eun Hee Koh
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Publication Detail:
Type:  JOURNAL ARTICLE     Date:  2011-11-11
Journal Detail:
Title:  Molecules and cells     Volume:  -     ISSN:  0219-1032     ISO Abbreviation:  -     Publication Date:  2011 Nov 
Date Detail:
Created Date:  2011-11-15     Completed Date:  -     Revised Date:  -    
Medline Journal Info:
Nlm Unique ID:  9610936     Medline TA:  Mol Cells     Country:  -    
Other Details:
Languages:  ENG     Pagination:  -     Citation Subset:  -    
Affiliation:
Asan Institute for Life Sciences, University of Ulsan College of Medicine, Seoul, 138-736, Korea.
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