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The excessive aggression is an actual problem of modern society but the mechanisms of aggressiveness development have not been sufficiently investigated. Women aggression is considered to differ from men one and results obtained on males cannot be extrapolated on females. Sex hormones have a crucial role in the generation of sexually dimorphic aggression circuits during development and their maintenance during adulthood. Hypothalamic pituitary adrenal axis and sympathoadrenal system are major neuroendocrine systems that respond to stress. Stress hormones are involved into behavioral reactions of organism. Gonadal, hypothalamic pituitary adrenal axes, and sympathoadrenal system are tightly interrelated and every of them can influence another one. The purpose of the study was to estimate correlation differences between sex and stress hormones in men and women. Material and methods. Forty healthy young people aged 18 to 22 years with a body mass index of 19-24 (21 women and 19 men) were enrolled in the study. Hormone levels in blood serum were determined by Testosterone, Estradiol, Cortisol ELISA kits (Italy), Epinephrine/Norepinephrine (EPI) ELISA kit (China). Results and discussion. In all phases of the menstrual cycle, the level of cortisol in women was lower than in men, but in the luteal phase these differences were not statistically significant. In all phases of the menstrual cycle, the blood serum norepinephrine content in women was lower than in men, but in the follicular phase these differences were not statistically significant. The level of epinephrine in women during ovulation and luteal phase did not differ from the level of epinephrine in men, but in follicular phase it was significantly lower. Calculations of correlations between individual hormones revealed a significant difference between them in men and women. Positive correlations between testosterone and estradiol and between cortisol and epinephrine; a strong negative correlation between epinephrine and testosterone/ norepinephrine ratio were found in men. Positive correlation between testosterone and cortisol and negative correlation between estradiol and cortisol/testosterone ratio were revealed in women. Conclusion. In women, strong correlations were found between cortisol and sex hormones; in men, strong interrelationship was revealed between cortisol and epinephrine. Both in men and in women (in all phases of the menstrual cycle), high positive correlations between testosterone/norepinephrine and cortisol/norepinephrine ratios were observed.

Correlation Differences between Sex and Stress Hormones in Men And Women