Molecular regulation of sexual preference revealed by genetic studies of 5-HT in the brains of male mice.

Molecular regulation of sexual preference revealed by genetic studies of 5-HT in the brains of male mice.
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DOI:
10.1038/nature09822
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发表时间:
2011-04-07
期刊:
影响因子:
64.8
通讯作者:
Rao, Yi
Rao, Yi
中科院分区:
综合性期刊1区
文献类型:
--
作者:
Liu, Yan;Jiang, Yun'ai;Si, Yunxia;Kim, Ji-Young;Chen, Zhou-Feng;Rao, Yi

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雄性应该向谁求爱?虽然这是一种重要的社会互动,但人们对控制哺乳动物性偏好的分子和细胞机制知之甚少。在这里,我们报告神经递质5-HT是男性性偏好所必需的。缺乏中枢血清素能神经元的雄性小鼠丧失了性偏好,但嗅觉一般没有缺陷。当缺乏色氨酸羟化酶2 (Tph2)时,小鼠大脑中无法合成5-羟色胺(5-HT)的表型证明了5-羟色胺(5-HT)的作用。5-羟色氨酸(5-HTP)在35分钟内恢复了Tph2敲除小鼠的表型。这些结果表明,成人大脑中的5-羟色胺和5-羟色胺能神经元调节着哺乳动物的性偏好。
To whom should a male directs his mating? While it is a critical social interaction, little is known about molecular and cellular mechanisms controlling mammalian sexual preference. Here we report that the neurotransmitter 5-HT is required for male sexual preference. Male mice lacking central serotonergic neurons lost sexual preference but were not generally defective in olfaction. A role for 5-hydroxytryptamine (5-HT) was demonstrated by the phenotype of mice unable to synthesize 5-HT in the brain when lacking tryptophan hydroxylase 2 (Tph2). 5-hydroxytryptophan (5-HTP) injection rescued the phenotype of adult Tph2 knockout mice within 35 minutes. These results indicate that 5-HT and serotonergic neurons in the adult brain regulate mammalian sexual preference.
DOI: 10.1007/s00439-004-1241-4
发表时间: 2005-03-01
期刊: HUMAN GENETICS
影响因子: 5.3
作者:
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