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Serotonin Signaling Modulates Sexual Receptivity of Virgin Female Drosophila

Neuroscience Bulletin 2022年第11期38卷 1277-1291页

作者： Baoxu Ma Rencong Wang Yaohua Liu Bowen Deng Tao Wang Fengming Wu Chuan Zhou State Key Laboratory of Integrated Management of Pest Insects and Rodents Institute of ZoologyChinese Academy of SciencesBeijing 100101China University of Chinese Academy of Sciences Beijing 100101China Department of Plant Protection Shanxi Agricultural UniversityJinzhong 30801China Chinese Institute for Brain Research Zhongguancun Life Sciences ParkBeijing 102206China Institute of Molecular Physiology Shenzhen Bay LaboratoryShenzhen 518132China

The choice of females to accept or reject male courtship is a critical decision for animal ***(5-hydroxytryptamine;5-HT)has been found to regulate sexual behavior in many species,but it is unclear how 5-HT and its receptors function to regulate different aspects of sexual *** we used Drosophila melanogaster as the model animal to investigate how 5-HT and its receptors modulate female sexual *** found that knockout of tryptophan hydroxylase(Trh),which is involved in the biosynthesis of 5-HT,severely reduced virgin female receptivity without affecting post-mating *** identified a subset of sexually dimorphic Trh neurons that co-expressed fruitless(fru),in which the activity was correlated with sexual receptivity in *** also found that 5-HT1A and 5-HT7 receptors regulate virgin female *** findings demonstrate how 5-HT functions in sexually dimorphic neurons to promote virgin female receptivity through two of its receptors.

关键词： Female sexual receptivity Serotonin 5-HT Fruitless neurochemical 5-HT receptors Drosophila

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Personality and neurochemicals in the human brain: A preliminary study using 1H MRS

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Science Bulletin 2005年第20期 64-68页

作者： XU Shiyong1,2, PENG Danling2, JIN Zhen3, LIU Hongyan2 &YANG Jie2 1. School of Labor relations and human resources, Renmin University of China, Beijing 100872, China 2. State Key Laboratory of Cognitive Neuroscience and Learning, Bei- jing Normal University, Beijing 100875, China 3. Center for fMRI and Department of Radiology, 306 Hospital, Beijing 100101, China

To investigate the neuro-biological bases of introversion-extraversion personality traits, the concentra- tion of four neurochemicals (Cho, mI, α-Glx and NAA) in anterior cigulate gyrus between normal extroverts and in- troverts were examined using non-invasive 1H MRS tech- nique. Our study revealed that introverts have significantly higher level of α-Glx, Cho and mI in the anterior cingulate gyrus than extroverts. This result provides new evidence that the anterior cingulate gyrus is related to personality traits partly in support of Eysenck’s supposition that introverts have higher arousal level than extroverts. Moreover, this result offers neurochemical data for psychobiological theo- ries of personality.

关键词： extraversion introversion neurochemical 1H MRS.

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