Studiet fandt, at kvinder havde markant højere oxytocinniveauer i blodet end mænd. Dette kan have betydning for kønsforskelle i adfærd, stresshåndtering og sociale følelser.
Titel på undersøgelse:
Sex-Related Differences in Plasma Oxytocin Levels in Humans.
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Hele abstrakt på originalsprog:
Increasing evidence supports a key role of Oxytocin (OT) as a modulator of social relationships in mammals, prompting this study to investigate possible sex-related differences in plasma OT levels in human beings by including forty-five healthy men and 45 women (mean age: 34.9 ± 6.2 years), with plasma preparation, peptide extraction, and OT radioimmunoassay conducted according to standardized methods. The results revealed that OT plasma levels (pg/ml, mean ± SD) were significantly higher in women than in men (4.53 ± 1.18 vs 1.53 ± 1.19, p ˂ 0.001), demonstrating clear sex-related differences in humans. The study concludes that these findings suggest such differences might be linked to behaviors, attitudes, susceptibility to stress response, resilience, and social emotions distinct to women and men, opening avenues for further exploration into OT’s role in sex-specific psychological and social functioning.