耗材描述
Mastoparan
产品活性:Mastoparan 是一种十四肽,是黄蜂毒液的一种组分,刺激催乳素从大鼠垂体前叶细胞中释放 。
产品来源: https://www.medchemexpress.cn/Mastoparan.html
研究领域:Others
作用靶点:Others
结构分类:其他类 | 结构分类
In Vitro: Mastoparan has an amphiphilic nature and is reported to exert a variety of pharmacological and biochemical effects. Mastoparan induces exocytosis of hormones from anterior pituitary cells. Mastoparan stimulation of prolactin secretion is dose-dependent, time-dependent, reversible and required the presence of calcium. Mastoparan causes translocation of protein kinase C activity from a soluble to a membrane-attached form. Mastoparan is able to increase the intracellular Ca2+ concentration in Fura-2-loaded individual lactotrophs. Mastoparan is also able to interact with GTP-bindmg proteins. Thus, Mastoparan has been shown to facilitate exchange of nucleotides and to stimulate GTPase activity on G-proteins. It has therefore been proposed that the cellular effects of Mastoparan are due to an ability to mimic G-protein-linked agonist-liganded receptors.
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