当前位置： SCI文献检索 > MOLECULAR GENETICS AND METABOLISM期刊下所有文献 > Essential role of citrate export from mitochondria at early differentiation stage of 3T3-L1 cells for their effective differentiation into fat cells, as revealed by studies using specific inhibitors of mitochondrial di- and tricarboxylate carriers.

Essential role of citrate export from mitochondria at early differentiation stage of 3T3-L1 cells for their effective differentiation into fat cells, as revealed by studies using specific inhibitors of mitochondrial di- and tricarboxylate carriers.

Abstract：

:1,2,3-Benzenetricarboxylate (BTA) and n-butylmalonate (BM), specific inhibitors of the mitochondrial tricarboxylate and dicarboxylate carrier, respectively, have been used to study the contribution of citrate export from mitochondria to the accumulation of fat in 3T3-L1 cells. Continuous treatment of the cells with BTA or BM for 5 days after the induction of differentiation caused a significant reduction in fat accumulation in the cells in an inhibitor concentration-dependent manner. These inhibitory effects of BTA and BM were not due to their side effects on DNA replication, since similar inhibition of fat accumulation was not observed with ordinary inhibitors of DNA replication. A similar reduction in fat accumulation was also observed when the cells were treated with BTA or BM for only 2 days just after induction of differentiation. However, interestingly, treatment of the cells with an inhibitor starting 2 days after the induction did not result in reduced fat accumulation. Furthermore, Northern analysis clearly indicated that transcript levels of peroxisome proliferator-activated receptor gamma (PPARgamma) and adipose-type fatty acid binding protein (A-FABP) were well correlated with the levels of fat accumulation. These results clearly indicate the essential role of citrate export from the mitochondrial matrix to the cytosol at the early differentiation stage of 3T3-L1 cells for their effective differentiation into fat cells.

journal_name

Mol Genet Metab

journal_title

Molecular genetics and metabolism

authors

Kajimoto K,Terada H,Baba Y,Shinohara Y

doi

10.1016/j.ymgme.2005.01.006

subject

Has Abstract

pub_date

2005-05-01 00:00:00

pages

46-53

issue

1

eissn

1096-7192

issn

1096-7206

pii

S1096-7192(05)00044-2

journal_volume

85

pub_type

杂志文章

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