Sex-related differences in gene expression in neonatal rat hypothalamus assessed by cDNA microarray analysis.

Abstract:

:Sexual differentiation of the rodent brain is recognized to involve transcriptional activation of multiple genes induced by gonadal steroids at developmental stages. To identify the genes differing in expression level between sexes, we analyzed gene expression in male and female rat hypothalami at postnatal day 5 by means of a cDNA microarray consisting of 2352 genes. By comparing the expression pattern between sexes, we identified 12 male-enriched genes and 20 female-enriched genes. Among them, the expression pattern of 1 male-enriched gene, jagged homolog 1, and those of 2 female-enriched genes, p27Kip1 and p130, were confirmed to be consistent with microarray data by RT-PCR. Investigation of these genes should help to elucidate the molecular and cellular mechanisms underlying sexual differentiation of the rodent central nervous system.

journal_name

Endocr J

journal_title

Endocrine journal

authors

Yonehara K,Suzuki M,Nishihara M

doi

10.1507/endocrj.49.131

subject

Has Abstract

pub_date

2002-04-01 00:00:00

pages

131-7

issue

2

eissn

0918-8959

issn

1348-4540

journal_volume

49

pub_type

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