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Prevention of neonatal estrogen imprinting by vitamin A as indicated by estrogen receptor expression in the mouse vagina.
https://repo.qst.go.jp/records/44125
https://repo.qst.go.jp/records/44125267adb22-57f6-4e0b-aead-9fd3c3c56f9c
Item type | 学術雑誌論文 / Journal Article(1) | |||||
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公開日 | 2006-05-31 | |||||
タイトル | ||||||
タイトル | Prevention of neonatal estrogen imprinting by vitamin A as indicated by estrogen receptor expression in the mouse vagina. | |||||
言語 | ||||||
言語 | eng | |||||
資源タイプ | ||||||
資源タイプ識別子 | http://purl.org/coar/resource_type/c_6501 | |||||
資源タイプ | journal article | |||||
アクセス権 | ||||||
アクセス権 | metadata only access | |||||
アクセス権URI | http://purl.org/coar/access_right/c_14cb | |||||
著者 |
Masui, Fujiko
× Masui, Fujiko× Matsuda, Manabu× Akazome, Yasuhisa× Imaoka, Tatsuhiko× Mori, Takao× 今岡 達彦 |
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抄録 | ||||||
内容記述タイプ | Abstract | |||||
内容記述 | Treatment of female mice with estrogen during the neonatal period induces estrogen-independent persistent proliferation and cornification of the vaginal epithelium when the animals become adults. However, the occurrence of such irreversible vaginal changes is blocked by concurrent retinol acetate (RA) treatment. This study aimed to determine the expression pattern of estrogen receptor (ER) alpha and beta in the vaginas of ovariectomized 35-day-old mice treated neonatally with 17beta-estradiol (E(2)) and/or RA. The amounts of ERalpha and ERbeta mRNA molecules in the vaginal RNA samples were determined by competitive reverse transcription/polymerase chain reaction. The levels of both mRNAs were lower in ovariectomized mice that had been treated neonatally with E(2) but not in those treated with E(2) plus RA. Neonatal E(2) treatment caused a decrease in the percentage of ERalpha-immunoreactive cells in the vaginal stroma during adulthood, and concurrent RA treatment inhibited the decrease. The amount of each ER mRNA was also measured in the vaginas of mature mice treated with E(2) and RA; no inhibitory activity of RA was seen in the mature mice. Our studies indicate that, in mouse vagina, the irreversible effects of neonatal imprinting by estrogen might be prevented by the simultaneous administration of vitamin A through the inhibition of a decrease of the number of ER-expressing cells. | |||||
書誌情報 |
Cell and Tissue Research 巻 306, p. 441-447, 発行日 2001-10 |
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ISSN | ||||||
収録物識別子タイプ | ISSN | |||||
収録物識別子 | 0302-766X |