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  • Title: Sex steroid hormones and circulating IgE levels.
    Author: Mathur S, Mathur RS, Goust JM, Williamson HO, Fudenberg HH.
    Journal: Clin Exp Immunol; 1977 Dec; 30(3):403-7. PubMed ID: 606452.
    Abstract:
    The possible influence of sex steroid hormones on circulating IgE levels in general and IgE anti-Candida antibodies in particular was studied by quantification of plasma levels of progesterone, estradiol and IgE (total and anti-Candida-specific) in females during the follicular and luteal phases of the menstrual cycle, and during pregnancy. IgE levels during the follicular and luteal phases were not significantly different, although the mean values for the luteal phase were slightly lower. This trend was apparent in daily samples from two normal females during one menstrual cycle. During pregnancy, when the levels of circulating sex steroids were high, IgE levels were only slightly higher than in the follicular and luteal phases. In men and in gonadal dysgenetics, circulating progesterone levels were similar to those of women during the follicular phase (i.e., lower than in the luteal phase or in pregnancy), but the IgE levels were not different. The apparently low levels of IgE during the luteal phase may therefore be due to physiological factors other than fluctuations in the sex steroid hormones. From the present studies, it is apparent that sex steroid hormones have little or no effect on humoral IgE levels, in marked contrast to previously described correlations for other immunoglobulins, especially anti-Candida antibodies.
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