Journal
AMERICAN JOURNAL OF REPRODUCTIVE IMMUNOLOGY
Volume 54, Issue 5, Pages 262-269Publisher
BLACKWELL PUBLISHING
DOI: 10.1111/j.1600-0897.2005.00306.x
Keywords
autoimmunity; follicle-stimulating hormone; infertility; pregnancy
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Problem Autoimmune mechanisms are often involved in causing infertility. Among the possible targets of autoantibodies, the follicle-stimulating which regulates the follicular maturation in human hormone (FSH). ovary is a promising candidate. We aimed to study whether anti-FSH-antibodies might be involved in different clinical types of infertility. Method of study The study group consisted of 178 patients (75 with polycystic ovary syndrome (PCOS), 103 with endometriosis) and 75 pregnant women. Female blood donors formed the control group (n = 85). Indirect enzyme-linked immunosorbent assay tests were performed using purified FSH as antigens and a synthetic peptide corresponding to the 78-93 region (V14D) of the human FSH beta-chain. Conclusion We showed that anti-FSH-antibodies were present in controls and their production decreased during pregnancy. Endometriosis and PCOS were associated with higher values of anti-FSH-immunoglobulin (Ig)A, anti-V14D-IgA, and endometriosis with anti-V14D-IgG. Our data suggest that anti-FSH-IgA could be a marker of ovarian disorders that cause infertility.
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