Regulation of Oxidative Activity of Neutrophils by Chorionic Gonadotropin: The Role of Female Steroid Sex Hormones |
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Authors: | E M Kuklina S V Shirshev |
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Institution: | (1) Ural Division, Russian Academy of Sciences, Institute of Ecology and Genetics of Microorganisms, ul. Goleva 13, Perm, 614081, Russia |
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Abstract: | We studied the effect of the main sex hormone, chorionic gonadotropin, on the production of the active forms of oxygen and nitrogen by human neutrophils and the control of its effects by female steroid sex hormones. Gonadotropin proved to inhibit both total production of oxygen metabolites and NO synthesis by the cells. Gonadotropin-dependent regulation of oxidative activity of the neutrophils is controlled by female steroid sex hormones. At the same time, progesterone completely or partially inhibits the suppressive effects of gonadotropin, while estradiol has antagonistic, sensibilizing, or permissive effect on gonadotropin depending on the dose, incubation conditions, and activation status of the cells. |
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