A Possible Mechanism of Autoimmune-Mediated infertility in Women with Endometriosis

Citation Inagaki J, Hao L, Nakatsuka M, Yasuda T, Hiramatsu Y, Shoenfeld Y, Matsuura E. A possible mechanism of autoimmune‐mediated infertility in women with endometriosis. Am J Reprod Immunol 2011; 66: 90–99 Problem  Endometriosis has been proposed to be an autoimmune disease because of the presenc...

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Published in:American journal of reproductive immunology (1989) 2011-08, Vol.66 (2), p.90-99
Main Authors: Inagaki, Junko, Hao, Lin, Nakatsuka, Mikiya, Yasuda, Tatsuji, Hiramatsu, Yuji, Shoenfeld, Yehuda, Matsuura, Eiji
Format: Article
Language:English
Subjects:
Adult
Anti-laminin-111 autoantibody
Autoantibodies
Autoantibodies - immunology
Autoimmune diseases
Autoimmune Diseases - immunology
blastocysts
Embryos
Endometriosis
Endometriosis - immunology
Endometrium
Enzyme-linked immunosorbent assay
Female
Humans
Immunoglobulin G
Infertility
Infertility, Female - immunology
laminin-α 1 chain G domain
Middle Aged
Models, Immunological
Reproductive failure
Trophoblasts
Young Adult
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Summary:Citation Inagaki J, Hao L, Nakatsuka M, Yasuda T, Hiramatsu Y, Shoenfeld Y, Matsuura E. A possible mechanism of autoimmune‐mediated infertility in women with endometriosis. Am J Reprod Immunol 2011; 66: 90–99 Problem  Endometriosis has been proposed to be an autoimmune disease because of the presence of a variety of autoantibodies specific for endometrial or ovarian antigens. The object of the present study is to characterize binding specificity of anti‐laminin‐111 autoantibodies in infertile patients with endometriosis and to investigate whether these autoantibodies affect the in vitro embryo development. Method of study  An ELISA analysis using overlapping synthesized peptides that covered the entire G domain of laminin‐α1 chain was performed in infertile patients with endometriosis (n = 45). Mouse blastocysts were cultured in media containing the purified IgG from one antibody‐positive serum on laminin‐111‐coated dishes. Results  Anti‐laminin‐111 autoantibodies were directed to several particular biologically functional peptide sequences in laminin‐α 1 chain G domain. The tested IgG significantly inhibited the extent of in vitro trophoblast outgrowth. Conclusion  Anti‐laminin‐111 autoantibodies may have major pathogenic roles on early reproductive failure including endometriosis‐associated infertility.
ISSN:1046-7408
1600-0897
DOI:10.1111/j.1600-0897.2010.00956.x