CLONING OF A CDNA FOR THE FAD-LINKED GLYCEROL-3-PHOSPHATE DEHYDROGENASE FROM RAT-LIVER AND ITS REGULATION BY THYROID-HORMONES

被引:48
作者
MULLER, S
SEITZ, HJ
机构
[1] Inst. für Physiologische Chemie, Abt. F. Biochemische Endokrinologie, Universitäts-Krankhs. Eppendorf
关键词
MITOCHONDRIA; GLYCEROL PHOSPHATE SHUTTLE; QUANTITATIVE PCR;
D O I
10.1073/pnas.91.22.10581
中图分类号
O [数理科学和化学]; P [天文学、地球科学]; Q [生物科学]; N [自然科学总论];
学科分类号
07 ; 0710 ; 09 ;
摘要
A full-length 2.4-kb cDNA for the FAD-linked glycerol-3-phosphate dehydrogenase (EC 1.1.99.5) was cloned from rat liver using PCR techniques. The cloned gene encodes a protein of 727 amino acids. The calculated molecular mass of 80,898 Da is higher than the apparent molecular mass observed by SDS/PAGE (74,000 Da) of the purified enzyme. This result indicates that the enzyme is synthesized as a precursor with a putative mitochondrial signal sequence. mRNA for this gene was detected in liver, heart, muscle, brain, testes, and pancreas. With the exception of testes, basal expression levels were very low in all tissues examined, However, application of thyroid hormones led to a 10- to 15-fold increase in liver glycerol-3-phosphate dehydrogenase mRNA, whereas hypothyroidism further decreased the mRNA level.
引用
收藏
页码:10581 / 10585
页数:5
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