A missense polymorphism in the putative pheromone receptor gene VN1R1 is associated with sociosexual behavior

S Henningsson, D Hovey, K Vass, H Walum, Kenneth Sandnabba, Pekka Santtila, Patrik Jern, L Westberg

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Abstract

Pheromones regulate social and reproductive behavior in most mammalian species. These effects are mediated by the vomeronasal and main olfactory systems. Effects of putative pheromones on human neuroendocrine activity, brain activity and attractiveness ratings suggest that humans may communicate via similar chemosignaling. Here we studied two samples of younger and older individuals, respectively, with respect to one nonsynonymous polymorphism in the gene encoding the human vomeronasal type-1 receptor 1, VN1R1, and one nonsynonymous polymorphism in the gene encoding the olfactory receptor OR7D4. Participants in both samples had self-reported their sociosexual behavior using the sociosexual orientation inventory, including questions regarding lifetime number of one-night stands, number of partners last year and expected number of partners the coming 5 years. In women, there was a significant association between the VN1R1 polymorphism and sociosexual behavior in both samples, driven specifically by the question regarding one-night stands. Our results support the hypothesis that human social interaction is modulated by communication via chemosignaling.

Original languageUndefined/Unknown
Pages (from-to)
JournalTranslational Psychiatry
Volume7
DOIs
Publication statusPublished - 2017
MoE publication typeA1 Journal article-refereed

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