THYROID-HORMONES PROMOTE TRANSCRIPTIONAL ACTIVATION OF THE NUCLEAR GENE CODING FOR MITOCHONDRIAL BETA-F(1)-ATPASE IN RAT-LIVER

被引：42

作者：

IZQUIERDO, JM ^{[1
]}

CUEZVA, JM ^{[1
]}

机构：

[1] UNIV AUTONOMA MADRID,CSIC,CTR BIOL MOLEC,DEPT BIOL MOLEC,E-28049 MADRID,SPAIN

来源：

FEBS LETTERS | 1993年 / 323卷 / 1-2期

关键词：

BETA-F(1)-ATPASE TRANSCRIPTION; THYROID HORMONE; MITOCHONDRIAL DIFFERENTIATION; NEWBORN; LIVER;

D O I：

10.1016/0014-5793(93)81459-D

中图分类号：

Q5 [生物化学]; Q7 [分子生物学];

学科分类号：

071010 ; 081704 ;

摘要：

Thyroid hormones acutely regulate gene expression of the beta-catalytic subunit of the mitochondrial F1-ATPase complex in the liver of hypothyroid rat neonates at either a transcriptional and/or post-transcriptional level [(1990) J. Biol. Chem. 265, 9090-9097]. Administration at birth of various thyroid hormone doses to hypothyroid newborn rats promote a rapid (1 h) increase in liver steady-state amounts of both beta-F1-ATPase protein and mRNA. Induction of the beta-F1-ATPase mRNA is coincident with an elevation in gene transcription detected using nascent RNA chains synthesized by isolated nuclei. These results suggest that thyroid hormones induction of postnatal mitochondrial differentiation in the liver of hypothyroid rat neonates is mostly triggered by transcriptional regulation of beta-F1-ATPase gene.

引用

页码：109 / 112

页数：4

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