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Conference Paper: Dietary fat concentration dependent Trans-10, Cis-12 conjugated linoleic acid induced-lipodystrophy: the role of adipokines and hepatic cholesterol

TitleDietary fat concentration dependent Trans-10, Cis-12 conjugated linoleic acid induced-lipodystrophy: the role of adipokines and hepatic cholesterol
Authors
KeywordsBiology
Issue Date2009
PublisherFederation of American Societies for Experimental Biology. The Journal's web site is located at http://www.fasebj.org/
Citation
Experimental Bioogy 2009, New Orleans, LA., 18-22 April 2009. In The FASEB Journal, 2009, v. 23 meeting abstracts, no. 717.29 How to Cite?
AbstractThe aim of this study was to investigate the interacting effects of dietary fat concentration and trans-10, cis-12 conjugated linoleic acid (t10, c12 CLA) on the development of lipodystrophy and mechanisms involved. Male ICR mice received low fat (5 g/100 g, LF) or high fat (30 g/100 g, HF) diets, with or without 0.5 g/100 g t10, c12 CLA (>98% pure) for 27 d. CLA suppressed energy intake (EI) in LF but not HF mice. CLA elevated hepatic cholesterol (CHL) concentration as early as d 13 (P < 0.01) and by d 27 there was a modest increase in triglyceride (P = 0.085). LF/CLA and HF/CLA mice had gradual lost in visceral fat and liver enlargement. The lipodystrophic state occurred in the absence of hyperinsulinemia but was accompanied by reduced leptin, adiponectin and visfatin mRNA in visceral fat; and increased SREBP protein expression, but not FAS expression in liver. Compared to respective control, LF/CLA mice had higher liver CHL concentration than HF/CLA mice. Mice in experiment 2 received the LF diet, LF/CLA diet or were pair-fed LF diet to the EI of the CLA group (LF/PF). On d 27, LF/CLA mice had ablation of visceral fat and hepatomegaly. The LF/PF mice had significantly higher visceral fat mass and adipokine mRNA but no hepatomegaly. Thus, t10, c12 CLA-induced lipodystrophy was dietary fat concentration dependent and involved the adipokines. Liver CHL accumulation may reflect an early abnormality in the development of lipodystrophy.
Persistent Identifierhttp://hdl.handle.net/10722/188020
ISSN
2015 Impact Factor: 5.299
2015 SCImago Journal Rankings: 2.775

 

DC FieldValueLanguage
dc.contributor.authorLi, Een_US
dc.contributor.authorSo, Men_US
dc.contributor.authorTse, Ien_US
dc.date.accessioned2013-08-21T07:24:55Z-
dc.date.available2013-08-21T07:24:55Z-
dc.date.issued2009en_US
dc.identifier.citationExperimental Bioogy 2009, New Orleans, LA., 18-22 April 2009. In The FASEB Journal, 2009, v. 23 meeting abstracts, no. 717.29en_US
dc.identifier.issn0892-6638-
dc.identifier.urihttp://hdl.handle.net/10722/188020-
dc.description.abstractThe aim of this study was to investigate the interacting effects of dietary fat concentration and trans-10, cis-12 conjugated linoleic acid (t10, c12 CLA) on the development of lipodystrophy and mechanisms involved. Male ICR mice received low fat (5 g/100 g, LF) or high fat (30 g/100 g, HF) diets, with or without 0.5 g/100 g t10, c12 CLA (>98% pure) for 27 d. CLA suppressed energy intake (EI) in LF but not HF mice. CLA elevated hepatic cholesterol (CHL) concentration as early as d 13 (P < 0.01) and by d 27 there was a modest increase in triglyceride (P = 0.085). LF/CLA and HF/CLA mice had gradual lost in visceral fat and liver enlargement. The lipodystrophic state occurred in the absence of hyperinsulinemia but was accompanied by reduced leptin, adiponectin and visfatin mRNA in visceral fat; and increased SREBP protein expression, but not FAS expression in liver. Compared to respective control, LF/CLA mice had higher liver CHL concentration than HF/CLA mice. Mice in experiment 2 received the LF diet, LF/CLA diet or were pair-fed LF diet to the EI of the CLA group (LF/PF). On d 27, LF/CLA mice had ablation of visceral fat and hepatomegaly. The LF/PF mice had significantly higher visceral fat mass and adipokine mRNA but no hepatomegaly. Thus, t10, c12 CLA-induced lipodystrophy was dietary fat concentration dependent and involved the adipokines. Liver CHL accumulation may reflect an early abnormality in the development of lipodystrophy.-
dc.languageengen_US
dc.publisherFederation of American Societies for Experimental Biology. The Journal's web site is located at http://www.fasebj.org/-
dc.relation.ispartofThe FASEB Journalen_US
dc.subjectBiology-
dc.titleDietary fat concentration dependent Trans-10, Cis-12 conjugated linoleic acid induced-lipodystrophy: the role of adipokines and hepatic cholesterolen_US
dc.typeConference_Paperen_US
dc.identifier.emailLi, E: etsli@hku.hken_US
dc.identifier.emailTse, I: mytsea@hku.hken_US
dc.identifier.authorityLi, E=rp00737en_US
dc.description.naturelink_to_OA_fulltext-
dc.identifier.hkuros220277en_US
dc.identifier.volume23-
dc.identifier.issuemeeting abstracts-
dc.publisher.placeUnited States-

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