Multiple regulation of prolactin receptor gene expression in rat liver.

Multiple regulation of prolactin receptor gene expression in rat liver.
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大鼠肝脏催乳素受体基因表达的多重调控。

DOI:
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发表时间:
1989
影响因子:
--
通讯作者:
Paul A. Kelly
Paul A. Kelly
中科院分区:
医学2区
文献类型:
--
作者:
Christine Jolicoeur;Jean;Hiroaki Okamura;S. Raguet;Jean Djiane;Paul A. Kelly

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性类固醇是大鼠肝脏中 PRL 受体表达的主要调节剂。使用编码大鼠 PRL 受体的探针,我们研究了雌性大鼠肝脏在个体发育过程中以及对雌激素治疗的反应中的受体 mRNA 水平。通过 Northern blot 和光密度分析测定稳态 mRNA 水平。信使RNA水平与结合位点的数量进行了比较,结合位点的数量是通过膜制剂中[125I]羊PRL结合的Scatchard分析来评估的。我们的结果表明,PRL 受体的稳态 mRNA 和结合水平均受发育和雌激素的调节,但这种结合并不完全平行于 mRNA 水平。从青春期前到成年的发育阶段,受体数量增加8倍,而mRNA水平增加3倍。雌激素治疗可刺激受体水平 6 倍,但 mRNA 水平仅增加 3 倍。这些结果表明大鼠肝脏中PRL受体基因表达在转录或转录后水平以及翻译水平上受到调节。
Sex steroids are major regulators of PRL receptor expression in rat liver. Using a probe encoding the rat PRL receptor we have studied receptor mRNA levels in female rat liver during ontogeny and in response to estrogen treatment. Steady state mRNA levels were determined by Northern blot and densitometric analysis. Messenger RNA levels have been compared to the number of binding sites, which was assessed by Scatchard analysis of [125I]ovine PRL binding in membrane preparations. Our results show that steady state mRNA and binding levels of PRL receptors are both regulated by development and estrogens, but that binding does not exactly parallel mRNA levels. From the developmental stages of prepuberty to adult, receptor numbers increase 8-fold, whereas mRNA levels increase 3-fold. Estrogen treatment stimulates receptor levels 6-fold, but mRNA levels are only increased 3-fold. These results suggest that PRL receptor gene expression in rat liver is regulated at the transcriptional or posttranscriptional level as well as at the translational level.
人类和啮齿动物组织中胰岛素受体信使核糖核酸表达的变化。
DOI: 10.1210/mend-1-11-759
发表时间: 1987
期刊: Molecular endocrinology (Baltimore, Md.)
影响因子: --
作者:
Goldstein,BJ;Muller-Wieland,D;Kahn,CR
通讯作者: Kahn,CR
乳腺癌细胞中多种人孕酮受体信使核糖核酸及其孕激素激动剂和拮抗剂的自动调节。
DOI: 10.1210/mend-2-1-62
发表时间: 1988
期刊: Molecular endocrinology (Baltimore, Md.)
影响因子: --
作者:
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通讯作者: Horwitz,KB
DOI: --
发表时间: 1985-12
期刊: The Journal of biological chemistry
影响因子: --
作者:
C. Kahana;D. Nathans
通讯作者: C. Kahana;D. Nathans
大鼠肝脏鸟氨酸转氨酶合成的翻译和翻译前控制。
DOI: --
发表时间: 1983
期刊: The Journal of biological chemistry
影响因子: --
作者:
Mueckler,MM;Merrill,MJ;Pitot,HC
通讯作者: Pitot,HC
DOI: 10.1073/pnas.83.9.2850
发表时间: 1986-05-01
影响因子: 11.1
作者:
KOZAK, M
通讯作者: KOZAK, M