Major histocompatibility complex peptide ligands as olfactory cues in human body odour assessment.

Major histocompatibility complex peptide ligands as olfactory cues in human body odour assessment.
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DOI:
10.1098/rspb.2012.2889
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发表时间:
2013-03-22
期刊:
Proceedings. Biological sciences
影响因子:
--
通讯作者:
Boehm T
Boehm T
中科院分区:
其他
文献类型:
--
作者:
Milinski M;Croy I;Hummel T;Boehm T

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在许多动物物种中,社会交往和配偶选择受到主要组织相容性复合体(MHC)编码的线索的影响。MHC影响性选择的机制是一个激烈争论的问题。在小鼠中,MHC分子的肽配体激活犁鼻和嗅觉感觉神经元的亚群,并影响社会记忆的形成;在刺鱼中,这些肽可以预见地修改配偶选择的结果。在这里,我们研究是否这种进化保守的机制,个体间的沟通延伸到人类。在心理测量测试中,志愿者认识到MHC肽对他们身体气味的补充,当被要求决定改变后的气味闻起来是“像他们自己”还是“像他们最喜欢的香水”时,他们更喜欢“自我”配体。功能性磁共振成像表明,“自我”肽特异性激活了右中额叶皮层的一个区域。我们的研究结果表明,尽管没有犁鼻器,人类有能力检测和评估的MHC肽的体臭。这可能为人类择偶过程中对潜在伴侣的感官评价提供依据。
In many animal species, social communication and mate choice are influenced by cues encoded by the major histocompatibility complex (MHC). The mechanism by which the MHC influences sexual selection is a matter of intense debate. In mice, peptide ligands of MHC molecules activate subsets of vomeronasal and olfactory sensory neurons and influence social memory formation; in sticklebacks, such peptides predictably modify the outcome of mate choice. Here, we examine whether this evolutionarily conserved mechanism of interindividual communication extends to humans. In psychometric tests, volunteers recognized the supplementation of their body odour by MHC peptides and preferred ‘self’ to ‘non-self’ ligands when asked to decide whether the modified odour smelled ‘like themselves’ or ‘like their favourite perfume’. Functional magnetic resonance imaging indicated that ‘self’-peptides specifically activated a region in the right middle frontal cortex. Our results suggest that despite the absence of a vomeronasal organ, humans have the ability to detect and evaluate MHC peptides in body odour. This may provide a basis for the sensory evaluation of potential partners during human mate choice.
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发表时间: 2002-09-01
影响因子: 5.1
作者:
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通讯作者: Inzlicht, M
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发表时间: 2001-03-01
期刊: BEHAVIORAL ECOLOGY
影响因子: 2.4
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DOI: 10.1098/rspb.2009.1501
发表时间: 2010-02-07
影响因子: 4.7
作者:
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通讯作者: Boehm, Thomas