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  • Title: Seminal immune response in infertile men with leukocytospermia: effect on antioxidant activity.
    Author: Omu AE, Al-Qattan F, Al-Abdul-Hadi FM, Fatinikun MT, Fernandes S.
    Journal: Eur J Obstet Gynecol Reprod Biol; 1999 Oct; 86(2):195-202. PubMed ID: 10509791.
    Abstract:
    OBJECTIVE: To investigate the incidence of leukocytospermia and relation to T helper cytokines, tumor necrosis factor alpha (TNFalpha) and interleukin-4 (IL-4), antisperm antibodies and antioxidant activity. DESIGN: Semen samples from 176 infertile men and 24 fertile controls were investigated. METHODOLOGY: The protocol included tubal patency test, hysterosalpingography and laparoscopy and dye test and ovulation through mid-luteal phase progesterone for the wives. The husbands had semen analysis, cytomorphology evaluation and semen culture. Seminal TNFalpha and IL-4, antisperm antibodies, total antioxidant activity, superoxide dismutase and zinc were determined. RESULTS: Leukocytospermia occurred in 44.3% of the infertile men compared to 12.5% of the fertile men (P<0.01). Thirty-six (20.5%) men had pathogenic bacterial organisms which constituted 46.2% of those with leukocytospermia. Sperm parameters were worse with leukocytospermia in terms of sperm count (P<0.01), total motility progressive motility (P<0.01), morphology, asthenozoospermia, sperm membrane integrity and antisperm antibodies. TNFalpha and IL-4 had an inverse relationship; the expression of TNFalpha was higher with leukocytospermia and bacteriospermia (P<0.001), while IL-4 was higher in fertile controls (P<0.005). Incidence of antisperm antibodies was higher with leukocytospermia. Total antioxidant activity, superoxide dismutase and zinc were lower with leukocytospermia. CONCLUSION: Leukocytospermia impairs sperm function through reduced antioxidant activity and enhanced T helper 1 modulation.
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