Evaluation of FAS and caspase-3 in the endometrial tissue of patients with idiopathic infertility and recurrent pregnancy loss

Michele Q. Panzan, Rosiane Mattar, Carla C Maganhin, Carla Cristina Maganhin, Ricardo Santos Simões, Ricardo Dos Santos Simões, Alexandre Guilherme Zabeu Rossi, E.L.A. Motta, Eduardo Leme Alves da Motta, Edmund Chada Baracat, Edmund C Baracat, José Maria Soares
European journal of obstetrics, gynecology, and reproductive biology · 2012 · vol. 167(1) , pp. 47–52 · doi:10.1016/j.ejogrb.2012.10.021 · PMID:23218678 · W1971265723
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This study investigated FAS and caspase-3 expression in endometrial tissue from patients with idiopathic infertility and recurrent pregnancy loss to understand their potential role in these conditions.

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Abstract

OBJECTIVE: To investigate expression of BcL-2, FAS, FAS ligand (FASL) and cleaved caspase-3 in the endometrial tissue of women with idiopathic infertility (with two consecutive failed cycles of in vitro fertilization) and women with idiopathic recurrent pregnancy loss. The control group consisted of fertile women. STUDY DESIGN: Endometrial tissue samples from fertile women (n=25), women with idiopathic infertility (n=25) and women with idiopathic recurrent pregnancy loss (n=25) were collected on the seventh or eighth postovulatory day of their menstrual cycles for evaluation. Expression of BcL-2, FAS, FASL and cleaved caspase-3 was assessed using immunohistochemical methods. RESULTS: Expression of BcL-2 and FAS was significantly higher and lower, respectively, in the women with idiopathic infertility than in the other groups (p<0.01). Expression of cleaved caspase-3 was significantly lower in the women with idiopathic infertility than in the other groups (p<0.01). Expression of FASL was similar in all three groups. CONCLUSION: Disturbances in endometrial apoptosis may be a contributing factor in patients with idiopathic infertility and recurrent pregnancy loss.

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Condition tags

infertility

MeSH descriptors

Abortion, Habitual Caspase 3 Endometrium fas Receptor Infertility, Female Abortion, Habitual Adult Apoptosis Caspase 3 Endometrium Fas Ligand Protein Fas Ligand Protein fas Receptor Female Humans Infertility, Female Proto-Oncogene Proteins c-bcl-2 Proto-Oncogene Proteins c-bcl-2

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