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- W7785227 abstract "The World health Organization reports infertility as a disease and a failure of reproductive tract to achieve pregnancy after 12 months or more of regular unprotected sexual intercourse. Nowadays, infertility has become a common life phenomenon affecting 1 out of 5 couples at reproductive age. Idiopathic cause is mostly associated with active immune system which may produce high levels of anti-seminal and/or anti-sperm antibodies. Auto-immunization as well as iso-immunization has a significant role in up to 30% of reported cases of infertility. Semen that is defined as a complex fluid containing sperm, cellular vesicles and other cells and components, could immunize the female genital tract. This thesis is related to female immune infertility, in particular to female iso-immunization. The better understanding of this pathophysiological event consists of (1) the determination of antibody isotype playing a significant role in this disease, then (2) the characterization and identification of semen antibody-binding proteins, seminal and/or sperm, (3) the proposal of potential diagnostic markers to adapt specific therapy and, in addition, the design of miniaturized diagnostic tool based on the selected markers, (4) the suggestion of potential immuno-intervention. Based on the distribution of seminal/sperm-specific antibody isotypes, we suggest that immunoglobulins E, M, A1,2, G3 are not involved in the primary pathophysiological female sensitization. IgG4 appears to be the major subclass interacting with sperm proteins. On a contrary, IgG1 seems to be the one mainly involved in the reactivity towards seminal proteins. We have also extended the existing group of IgG-binding sperm proteins, among which heat shock protein 70 1A/1B, heat shock cognate protein 71 kDa and alpha-enolase have been shown, for the first time, to be related to female iso-immunization. We have put the emphasis on the role of seminal proteins in iso-immunization and not only in the IgE-mediated semen hypersensitivity as known so far. In particular, prostate-specific antigen, prostatic acid phosphatase and zinc finger protein 778 have been determined as immunodominant among IgG-binding seminal proteins. The determination of female serum seminal/sperm-specific IgG subclasses could make the patient diagnoses more comprehensive. Anti-seminal/sperm IgG1,4 might be of interest for immunotherapy. Furthermore, the herein described proteins could be useful biomarkers of such pathology. The miniaturized chip could be a lateral flow immunoassay-based device acting on the immunochemical detection of specific antibodies. The intended immuno-intervention could consist of the effect of intravenous immunoglobulins." @default.
- W7785227 created "2016-06-24" @default.
- W7785227 creator A5041548559 @default.
- W7785227 date "2014-04-29" @default.
- W7785227 modified "2023-10-18" @default.
- W7785227 title "Study of immunological properties of sperm and seminal plasma antigens : anti-seminal and anti-sperm antibodies in female immune infertility : characterization of targeted proteins" @default.
- W7785227 hasPublicationYear "2014" @default.
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