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莱普,但不是雌激素,在PACAP神经元中的信号调节青春期开始

Maggie C Evans¹, Elliot G Wallace¹, Caroline M Ancel¹

¹Centre for Neuroendocrinology and Department of Anatomy, University of Otago School of Biomedical Sciences, Dunedin 9054, New Zealand.

|July 12, 2023

概括

勒普丁是一种激素.

科学领域:

神经内分泌学神经内分泌学
生殖生物学生殖生物学
代谢调节代谢调节代谢调节代谢调节

背景情况:

瘦素是一种脂肪衍生的激素,对生殖功能至关重要,其缺乏会导致阴性双胞胎缺陷.
垂体腺酸环酶激活多 (PACAP) 表达神经元对素敏感,并与养和繁殖有关.
缺少PACAP会导致代谢和生殖问题,并观察到性二态.

研究的目的:

为了研究PACAP神经元是否关键调解瘦素的生殖作用.
为了确定PACAP神经元是否足以调解瘦素的生殖作用.
评估雌激素在调节PACAP中的作用及其对性二态的贡献.

主要方法:

产生PACAP特异性瘦素受体 (LepR) 淘汰和救援小鼠模型.
产生PACAP特异性雌激素受体α淘汰小鼠.
对转基因小鼠的生殖参数,体重和脂肪的分析.

主要成果:

PACAP神经元中的LepR信号对于女性青春期的时间是必不可少的,但不是男性青春期或生育能力.
拯救LepR-PACAP信号并没有完全恢复LepR缺陷小鼠的生殖缺陷.
特定于PACAP的雌激素受体α淘汰并没有改变体重或青春期的开始.

结论:

PACAP神经元是瘦素对女性青春期开始的影响的关键调解者.
在男性或成年女性中,PACAP对于传递勒的生殖效应并非必不可少.
雌激醇并不能批判性地调节PACAP在青春期发作或代谢参数中的作用.

关键词:

这就是PacaPap的意义.身体重量体重体重雌二醇是雌二醇的一种药物.雌二醇受体的受体是什么生育能力生育能力生育能力生育能力勒普丁是一种素.叶黄素受体的受体是什么青春期的青春期,就是青春期.

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