The aim of this study is to evaluate the presence of anti-laminin-1 antibodies (aLN-1) in sera and follicular fluid (FF) of infertile women affected by Hashimoto's thyroiditis (HT) undergoing in vitro fertilization (IVF) and its impact on oocyte maturation and IVF outcome. aLN-1 were measured by a home-made enzyme linked immunosorbent assay (ELISA) in: (1) sera and FF from 44 infertile women affected by HT (HTIW) with tubal factor or male factor as primary cause of infertility; (2) in sera and FF from 28 infertile women without HT, with tubal factor or male factor as cause of infertility (infertile controls-ICTR); and (3) in sera from 50 fertile women (FW). aLN-1 serum levels were significantly higher in HTIW when compared with both fertile women and ICTR (P <0.001and P <0.01, respectively). Assuming as cutoff the 99th percentile of values obtained in sera of FW, 43.2% of HTIW and 3.6% of ICTR were aLN-1 positive (P = 0.0001). Also aLN-1 detected in FF from HTIW were significantly higher in comparison with those found in FF of ICTR (P = 0.006). In HTIW, metaphase II oocyte count showed inverse correlation with both serum and FF aLN-1 levels (r = 0.34, P = 0.02 and r = 0.33, P = 0.03, respectively). Implantation and pregnancy rates were significantly lower in HTIW (7.9% and 9.1%, respectively) when compared with ICTR (23% and 31.1%, respectively) (P = 0.015 and P = 0.03, respectively). Our results demonstrated for the first time the presence of aLN-1 in a relevant percentage of HTIW and suggest that these auto-antibodies may impair IVF outcome.
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|Titolo:||Anti-laminin-1 antibodies in serum and follicular fluid of women with Hashimoto's thyroiditis undergoing in vitro fertilization|
|Data di pubblicazione:||2016|
|Appare nelle tipologie:||1.1 Articolo in rivista|