Histamine H(4) receptors regulate ACTH release in AtT-20 cells.

Histamine H(4) receptors regulate ACTH release in AtT-20 cells.
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组胺 H(4) 受体调节 AtT-20 细胞中 ACTH 的释放。

DOI:
10.1016/j.ejphar.2008.03.019
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发表时间:
2008-06
影响因子:
5
通讯作者:
--
中科院分区:
医学2区
文献类型:
--
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早期研究表明,小鼠垂体肿瘤 AtT-20 细胞释放的促肾上腺皮质激素 (ACTH) 受到组胺 H3 受体的调节。在这里,我们提供了组胺 H4 受体在 AtT-20 细胞中表达的证据,并且组胺和 R-α-甲基组胺加速的 ACTH 分泌被特异性 H4 受体拮抗剂 JNJ7777120 以浓度依赖性方式阻断,但不被 H1 和 H2 受体拮抗剂阻断。结果首次表明,组胺 H4 受体,而不是组胺 H3 受体,在调节小鼠垂体 AtT-20 细胞的 ACTH 释放中发挥作用。
The early research described that adrenocorticotropic hormone (ACTH) release from mouse pituitary tumor AtT-20 cells was regulated by histamine H3receptors. Here, we provide the evidence that histamine H4receptor was expressed in AtT-20 cell, and that the accelerated ACTH secretions from the cells by histamine and R-α-methylhistamine were blocked by JNJ7777120, a specific H4receptor antagonist, in concentration dependent manner, but not by the H1and H2receptor antagonists. The results indicate, for the first time, that histamine H4receptor, rather than histamine H3receptor, played a role in regulation of ACTH release from mouse pituitary AtT-20 cells.
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