Elongator regulates the melanocortin satiety pathway.

Elongator regulates the melanocortin satiety pathway.
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DOI:
10.1016/j.bbrc.2022.04.128
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发表时间:
2022-07-12
影响因子:
3.1
通讯作者:
George, Lynn
George, Lynn
中科院分区:
生物学4区
文献类型:
--
作者:
Walters, Joseph;Walters, Cody;Cameron, BreAnna;George, Lynn

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本研究探讨 Elp1 和 Elongator 在垂体中的功能。生成了两个条件敲除模型,其中选择性删除垂体前叶生长激素或垂体前叶和中叶 Pomc 表达细胞中的 Elp1。尽管生长激素中 Elp1 的缺失并没有显着影响小鼠的生长或发育,但表达 Pomc 的细胞中 Elp1 的缺失导致 α-MSH 水平显着降低、食欲亢进和肥胖。该报告提供了第一个证据,证明 Elongator 在调节黑皮质素饱腹感途径中发挥着重要作用。
This study investigates the function of Elp1 and Elongator in the pituitary gland. Two conditional knockout models were generated where Elp1 was selectively deleted in either somatotropes of the anterior pituitary or Pomc-expressing cells of the anterior and intermediate pituitary. Although loss of Elp1 in somatotropes did not significantly impact murine growth or development, its loss in Pomc-expressing cells resulted in dramatically reduced levels of α-MSH, hyperphagia and obesity. This report provides the first evidence that Elongator plays an essential role in regulating the melanocortin satiety pathway.
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