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Immune Infertility - The Impact of Immune Reactions on Human Infertility (Paperback, 2009 ed.)
Loot Price: R5,390
Discovery Miles 53 900
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Immune Infertility - The Impact of Immune Reactions on Human Infertility (Paperback, 2009 ed.)
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Infertility is defned as the inability to conceive after having
unprotected intercourse for a year. Infertility is increasing
worldwide and has various causes both in the male and the female
partner. Immune reactions to sperm can contribute up to 2-30% of
infertility. The sperm has both autoantigenic as well as
isoantigenic potential, and is thus capable of p- ducing antisperm
antibodies (ASAs) and sperm-reactive T cells in both infertile men
and women. Also, over 75% vasectomized men produce autoantibodies
to sperm that can cause a problem in regaining fertility even after
successful re-anastomosis in vasovasostomy. Early claims regarding
the incidence and involvement of ASAs in involuntary human
infertility were probably overemphasized because of unreliable
techniques and naivety concerning the complexity of the immune
response and antigenic nature of the sperm cell. These factors, the
lack of well-designed and controlled experimental studies, and the
dearth of effective therapeutic modalities resulted in the
confusion of the occurrence and importance of ASAs in human
infertility. Consequently, evaluation of infertile couples for ASAs
and their possible role in infertility was not considered a
signifcant proposition. The development of more accurate assays and
the discovery of mucosal immunity capable of responses independent
of systemic immunity have caused inclusion of sperm cells and
genital tract secretions in the analysis of ASAs.
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