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Title: Molecular regulation of sexual preference revealed by genetic studies of 5-HT in the brains of male mice
Author: Liu, Yan ; Jiang, Yun'ai ; Si, Yunxia ; Kim, Ji-Young ; Chen, Zhou-Feng ; Rao, Yi
Source: NATURE
Issued Date: 2011
Volume: 472, Issue:7341, Pages:95-U125
Keyword: PARA CHLOROPHENYLALANINE ; COPULATORY BEHAVIOUR ; MALE RATS ; SEROTONIN ; LACKING ; INNATE ; TRP2 ; MEN
Subject: Science & Technology - Other Topics
Corresponding Author: Rao, Y (reprint author), Natl Inst Biol Sci, Beijing 102206, Peoples R China,yrao@pku.edu.cn
English Abstract: Although the question of to whom a male directs his mating attempts(1,2) is a critical one in social interactions, little is known about the molecular and cellular mechanisms controlling mammalian sexual preference. Here we report that the neurotransmitter 5-hydroxytryptamine (5-HT) is required for male sexual preference. Wild-type male mice preferred females over males, but males lacking central serotonergic neurons lost sexual preference although they were not generally defective in olfaction or in pheromone sensing. A role for 5-HT was demonstrated by the phenotype of mice lacking tryptophan hydroxylase 2 (Tph2), which is required for the first step of 5-HT synthesis in the brain. Thirty-five minutes after the injection of the intermediate 5-hydroxytryptophan (5-HTP), which circumvented Tph2 to restore 5-HT to the wildtype level, adult Tph2 knockout mice also preferred females over males. These results indicate that 5-HT and serotonergic neurons in the adult brain regulate mammalian sexual preference.
Indexed Type: sci
Language: 英语
Content Type: 期刊论文
URI: http://ir.sibs.ac.cn/handle/331001/1544
Appears in Collections:神经所(总)_期刊论文

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Liu, Yan; Jiang, Yun'ai; Si, Yunxia; Kim, Ji-Young; Chen, Zhou-Feng; Rao, Yi.Molecular regulation of sexual preference revealed by genetic studies of 5-HT in the brains of male mice,NATURE,2011,472(7341):95-U125
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