Vasoactive intestinal peptide increases prolactin messenger ribonucleic acid content in GH3 cells.

Vasoactive intestinal peptide increases prolactin messenger ribonucleic acid content in GH3 cells.
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血管活性肠肽增加 GH3 细胞中催乳素信使核糖核酸的含量。

DOI:
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发表时间:
1985
期刊:
影响因子:
4.8
通讯作者:
Z. D. Sharp
Z. D. Sharp
中科院分区:
医学2区
文献类型:
--
作者:
A. Carrillo;T. Pool;Z. D. Sharp

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应用细胞质斑点杂交和RNA印迹技术研究了血管活性肠肽(VIP)、TRH和地塞米松(Dex)对GH 3细胞PRL mRNA表达的影响。将总细胞质RNA转移到硝酸纤维素滤纸上,并通过与标记有32 P的PRL重组DNA探针杂交来定量。VIP与GH 3细胞共同孵育25 h后,细胞浆中PRL mRNA的含量增加。这种增加具有剂量依赖性,在2 X 10(-8)M时显著,在2 X 10(-7)M时达到最大值。VIP浓度为2 × 10(-9)M时,对胞浆PRL mRNA含量无影响。TRH(2 × 10 ~(-7)M)可增加PRL mRNA的含量,而Dex(2 × 10 ~(-7)M)可降低PRL mRNA的含量。Dex(2 × 10 ~(-7)M)对PRL mRNA表达的抑制作用可被VIP(2 × 10 ~(-7)M)逆转。在这些不同的激素处理后,中PRL水平的变化与PRL mRNA含量中观察到的变化一致。对总poly(A)+ RNA的检测表明,VIP(2 × 10 ~(-7)M)孵育6 h可增加成熟PRL mRNA及其加工中间产物的含量。Dex(2 × 10 ~(-7)M)可降低所有种属的PRL mRNA含量。这些数据表明,VIP刺激的PRL释放是PRL mRNA及其前体含量增加的结果。
The influence of vasoactive intestinal peptide (VIP), TRH, and dexamethasone (Dex) on PRL mRNA was investigated in PRL-producing GH3 cells using cytoplasmic dot hybridization and RNA blot analysis. Total cytoplasmic RNA was transferred to nitrocellulose filter paper and quantitated by hybridization to PRL recombinant DNA probes labeled with 32P. Incubation of GH3 cells with VIP for 25 h increased the content of cytoplasmic PRL mRNA. This increase was dose dependent, being significant at 2 X 10(-8) M and reaching a maximum at 2 X 10(-7) M. VIP at 2 X 10(-9) M had no effect on cytoplasmic PRL mRNA content. TRH (2 X 10(-7) M) also increased whereas Dex (2 X 10(-7) M) decreased the content of PRL mRNA. The inhibitory effect of Dex (2 X 10(-7) M) on cytoplasmic PRL mRNA was reversed by VIP (2 X 10(-7) M). Changes in medium PRL levels after these various hormone treatments paralleled those changes observed in PRL mRNA content. Examination of total poly(A)+ RNA demonstrated that incubation with VIP (2 X 10(-7) M) for 6 h increased the content of the mature PRL mRNA and its processing intermediates. Dex (2 X 10(-7) M) decreased the content of all species of PRL mRNA. These data suggest that VIP-stimulated PRL release is the result of an increase in the content of PRL mRNA and its precursors.
DOI: 10.1095/biolreprod28.1.27
发表时间: 1983
影响因子: 3.6
作者:
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通讯作者: Maurer,RA
雌二醇、麦角隐亭和甲状腺激素之间的关系:对催乳素合成和催乳素信使核糖核酸水平的影响。
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发表时间: 1982
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大鼠垂体细胞中催乳素前体 mRNA 的可能核前体。
DOI: --
发表时间: 1981
期刊: The Journal of biological chemistry
影响因子: --
作者:
Hoffman,LM;Fritsch,MK;Gorski,J
通讯作者: Gorski,J
DOI: 10.1159/000123109
发表时间: 1980-01-01
期刊: NEUROENDOCRINOLOGY
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DOI: 10.1073/pnas.78.11.6662
发表时间: 1981
影响因子: 11.1
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通讯作者: Rosenfeld,MG