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Impact of estrogen receptor ? gene and oxytocin receptor gene polymorphisms on female sexuality.


ABSTRACT: Over the past decades, research attention has increasingly been paid to the neurobiological component of sexual behavior. The aim of the present study was to investigate the correlation of estrogen receptor ? (ERA) gene polymorphism (rs2234693-PvuII) (T?C substitution) and oxytocin receptor gene polymorphism (rs53576) (G?A substitution) with sexuality parameters of young, healthy women. One hundred thirty-three Greek heterosexual women, students in higher education institutions, 20-25 years of age, sexually active, with normal menstrual cycles (28-35 days), were recruited in the study. Exclusion criteria were chronic and/or major psychiatric diseases, use of oral contraceptive pills (OCs), polycystic ovary syndrome (PCOS), thyroid diseases as well as drugs that are implicated in hypothalamus-pituitary-gonadal axis. T allele (wildtype) of rs2234693 (PvuII) polymorphism of ERA gene was correlated with increased levels of arousal and lubrication, whereas A allele (polymorphic) of rs53576 (OXTR) polymorphism was correlated with increased arousal levels. The simultaneous presence of both T allele of rs2234693 (PvuII) and A allele of rs53576 (OXTR) polymorphisms (T?+?A group) was correlated with increased arousal, orgasm levels as well as female sexual function index full score. To our knowledge, this is the first study to investigate the interaction between ERA and OXTR with regard to sexual function in women. Female sexuality is a complex behavioral trait that encompasses both biological and psychological components. It seems that variability in female sexual response stems from genetic variability that characterizes endocrine, neurotransmitter and central nervous system influences.

SUBMITTER: Armeni AK 

PROVIDER: S-EPMC5302163 | biostudies-literature | 2017 Jan

REPOSITORIES: biostudies-literature

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Impact of estrogen receptor α gene and oxytocin receptor gene polymorphisms on female sexuality.

Armeni Anastasia K AK   Assimakopoulos Konstantinos K   Marioli Dimitra D   Koika Vassiliki V   Michaelidou Euthychia E   Mourtzi Niki N   Iconomou Gregoris G   Georgopoulos Neoklis A NA  

Endocrine connections 20170109 1


Over the past decades, research attention has increasingly been paid to the neurobiological component of sexual behavior. The aim of the present study was to investigate the correlation of estrogen receptor α (ERA) gene polymorphism (rs2234693-PvuII) (T→C substitution) and oxytocin receptor gene polymorphism (rs53576) (G→A substitution) with sexuality parameters of young, healthy women. One hundred thirty-three Greek heterosexual women, students in higher education institutions, 20-25 years of a  ...[more]

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