Expression and nocturnal increase of type II iodothyronine deiodinase mRNA in rat pineal gland

被引：9

作者：

Murakami, M

Hosoi, Y

Negishi, T

Kamiya, Y

Ogiwara, T

Mizuma, H

Yamada, M

Iriuchijima, T

Mori, M

机构：

[1] First Dept. of Internal Medicine, Gunma Univ. School of Medicine, 371, Maebashi

来源：

NEUROSCIENCE LETTERS | 1997年 / 227卷 / 01期

关键词：

iodothyronine deiodinase; thyroid hormone; pineal body; reverse transcription; polymerase chain reaction; Northern analysis;

D O I：

10.1016/S0304-3940(97)00298-X

中图分类号：

Q189 [神经科学];

学科分类号：

071006 ;

摘要：

It has been demonstrated that thyroxine deiodinating activity is present in rat pineal gland, and its activity increases significantly during the night time. We have studied whether mRNA for type II iodothyronine deiodinase is expressed in rat pineal gland and whether the nocturnal rise of pineal T-4 deiodinating activity is due to the change in type II iodothyronine deiodinase mRNA level. Reverse transcription-polymerase chain reaction amplification and Northern blot analyses have demonstrated that type II iodothyronine deiodinase mRNA is expressed in rat pineal gland and its mRNA level increases markedly at midnight. These results suggest that the nocturnal rise in pineal T-4 deiodinating activity is due to the change in type II iodothyronine deiodinase mRNA level. (C) 1997 Elsevier Science Ireland Ltd.

引用

页码：65 / 67

页数：3

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