Auto-regulation of estrogen receptor subtypes and gene expression profiling of 17beta-estradiol action in the neuroendocrine axis of male goldfish.

Auto-regulation of estrogen receptor subtypes and gene expression profiling of 17beta-estradiol action in the neuroendocrine axis of male goldfish. Research Abstract Details 

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Auto-regulation of estrogen receptor subtypes and gene expression profiling of 17beta-estradiol action in the neuroendocrine axis of male goldfish. Abstract Text:

V L Marlatt,C J Martyniuk,D Zhang,H Xiong,J Watt,X Xia,T Moon,V L Trudeau,V L Marlatt,C J Martyniuk,D Zhang,H Xiong,J Watt,X Xia,T Moon,V L Trudeau,

Auto-regulation of the three goldfish estrogen receptor (ER) subtypes was examined simultaneously in multiple tissues, in relation to mRNA levels of liver vitellogenin (VTG) and brain transcripts. Male goldfish were implanted with a silastic implant containing either no steroid or 17beta-estradiol (E2) (100mug/g body mass) for one and seven days. Liver transcript levels of ERalpha were the most highly up-regulated of the ERs, and a parallel induction of liver VTG was observed. In the testes (7d) and telencephalon (7d), E2 induced ERalpha. In the liver (1d) and hypothalamus (7d) ERbeta1 was down-regulated, while ERbeta2 remained unchanged under all conditions. Although aromatase B levels increased in the brain, the majority of candidate genes identified by microarray in the hypothalamus (1d) decreased. These results demonstrate that ER subtypes are differentially regulated by E2, and several brain transcripts decrease upon short-term elevation of circulating E2 levels.

Auto-regulation of estrogen receptor subtypes and gene expression profiling of 17beta-estradiol action in the neuroendocrine axis of male goldfish. Publishing Authors By Initials

VL Marlatt,CJ Martyniuk,D Zhang,H Xiong,J Watt,X Xia,T Moon,VL Trudeau,VL Marlatt,CJ Martyniuk,D Zhang,H Xiong,J Watt,X Xia,T Moon,VL Trudeau,

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Auto-regulation of estrogen receptor subtypes and gene expression profiling of 17beta-estradiol action in the neuroendocrine axis of male goldfish. Journal Published:

PUBLICATION TYPE: Journal Article

Journal: Molecular and cellular endocrinology

VOLUME: 283

Page Numbers: 38-48

Journal Abbreviation: Mol. Cell. Endocrinol.

ISSN: 0303-7207

DAY: 4

MONTH: 11

YEAR: 2007

Auto-regulation of estrogen receptor subtypes and gene expression profiling of 17beta-estradiol action in the neuroendocrine axis of male goldfish. Information

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LANGUAGE: eng

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Grant and Affiliation Information for Auto-regulation of estrogen receptor subtypes and gene expression profiling of 17beta-estradiol action in the neuroendocrine axis of male goldfish.

AFFILIATION: Centre for Advanced Research in Environmental Genomics, Department of Biology, University of Ottawa, Ottawa, ON, Canada K1N 6N5.

Country: Ireland

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MEDLINETA: Mol Cell Endocrinol

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