NHLH2: at the intersection of obesity and fertility.

NHLH2: at the intersection of obesity and fertility.
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DOI:
10.1016/j.tem.2013.04.003
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发表时间:
2013-08
影响因子:
10.9
通讯作者:
Braun, Thomas
Braun, Thomas
中科院分区:
医学1区
文献类型:
--
作者:
Good, Deborah J.;Braun, Thomas

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Nescient helix loop helix 2 (NSCL2/NHLH2)是一种神经转录因子,最初被认为与神经元发育和儿童神经母细胞瘤有关。越来越多的证据已经确定了NHLH2在成人肥胖和生育表型中的作用。在这里,我们总结了这些发现,并试图在小鼠模型和人类中将基因型与表型联系起来。特别是,NHLH2(小鼠体内的NHLH2)是仅有的两个与身体活动水平相关的基因之一。Nhlh2还控制肥胖和生育能力,Nhlh2突变动物在这两种表型上都表现出强烈的两性二态性。我们认为Nhlh2可能作为一种分子传感器在不同的成体下丘脑神经元中调节能量平衡,从而导致正常的体重和繁殖。
Nescient helix loop helix 2 (NSCL2/NHLH2) is a neuronal transcription factor originally thought to be involved in neuronal development and childhood neuroblastomas. Accumulating evidence has since identified roles for NHLH2 in adult phenotypes of obesity and fertility. Here, we summarize these findings, and attempt to link genotype with phenotype in mouse models and humans. In particular, NHLH2 (Nhlh2 in mice) is one of only two genes that are genetically linked to physical activity levels. Nhlh2 also controls obesity and fertility, with strong sexual dimorphism displayed for both phenotypes by Nhlh2 mutant animals. We propose that Nhlh2 might function as a molecular sensor in different adult hypothalamic neurons to regulate energy balance, leading to normal body weight and reproduction.
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