PREPRONEUROPEPTIDE-Y MESSENGER-RIBONUCLEIC-ACID IN THE HYPOTHALAMIC ARCUATE NUCLEUS OF THE RAT IS INCREASED BY FOOD-DEPRIVATION OR DEHYDRATION

被引：85

作者：

OSHEA, RD ^{[1
]}

GUNDLACH, AL ^{[1
]}

机构：

[1] UNIV MELBOURNE,AUSTIN HOSP,DEPT MED,CLIN PHARMACOL & THERAPEUT UNIT,HEIDELBERG,VIC 3084,AUSTRALIA

来源：

JOURNAL OF NEUROENDOCRINOLOGY | 1991年 / 3卷 / 01期

关键词：

INSITU HYBRIDIZATION; FEEDING; DRINKING; HYPOTHALAMUS;

D O I：

10.1111/j.1365-2826.1991.tb00232.x

中图分类号：

R5 [内科学];

学科分类号：

1002 ; 100201 ;

摘要：

The distribution of messenger ribonucleic acid (mRNA) encoding preproneuropeptide Y (prepro-NPY) in the hypothalamus of rats subjected to food deprivation or dehydration has been investigated by quantitative in situ hybridization. Levels of prepro-NPY mRNA in the arcuate nucleus (ARC) were selectively increased by both treatments. The very high concentration of prepro-NPY mRNA seen following 96 h of food deprivation had returned towards control levels after 24 h of refeeding. Levels of preprogalanin (prepro-GAL) mRNA throughout the hypothalamus were essentially unaffected by both regimes. These results demonstrate that hypothalamic NPY gene expression is regulated by peripheral metabolic status (and osmolality), and confirm the key physiological role of NPY in controlling ingestive behaviour.

引用

页码：11 / 14

页数：4

共 38 条

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