Ezetimibe reduced hepatic steatosis induced by dietary oxysterols in nonhuman primates.

Abstract:

:Oxidized cholesterol (oxysterols) plays an important and multifaceted role in lipid metabolism. Here we examined whether dietary oxysterols accelerate hepatic lipid accumulation and inflammation in nonhuman primates. We also examined the effect of the Niemann-Pick C1-like1 inhibitor, ezetimibe (Ez). Macaca fascicularis (5-year-old males) were fed either regular cholesterol + high-fat diet (control-HFD) or oxysterols + high-fat diet (ox-HFD; with 0.015% of oxysterols cholesterol) for 24 weeks. Compared with control-HFD, ox-HFD did not affect plasma lipid levels, but it did affect hepatic lipid levels [total cholesterol, 40.9 mg·g-1 (ox-HFD) versus 3.2 (control-HFD) mg·g-1; triglycerides, 28.0 (ox-HFD) versus 5.7 (control-HFD) mg·g-1]. Ox-HFD increased lipid accumulation as well as recruitment of inflammatory cells when compared to control-HFD. We then examined the effects of Ez, 0.2 mg·kg-1·day-1 for 12 weeks. In addition to a significant reduction in dyslipidemia, Ez alleviated biochemical and pathological aspects of steatosis. Dietary oxysterols aggravate steatosis in nonhuman primates. Treatment with Ez may be a novel therapeutic approach to NAFLD by alleviating dyslipidemia.

journal_name

FEBS Open Bio

journal_title

FEBS open bio

authors

Deushi M,Osaka M,Nakano K,Osada K,Egashira K,Yoshida M

doi

10.1002/2211-5463.12107

subject

Has Abstract

pub_date

2016-09-20 00:00:00

pages

1008-1015

issue

10

issn

2211-5463

pii

FEB412107

journal_volume

6

pub_type

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