Limited contribution of NR5A1 (SF-1) mutations in women with primary ovarian insufficiency (POI)

F Janse, LM de With, KJ Duran, WP Kloosterman, AJ (Angelique) Goverde, CB Lambalk, Joop Laven, BCJM Fauser, JC Giltay

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Objective: To evaluate the significance of NR5A1 mutations in a large, well-phenotyped cohort of women with primary ovarian insufficiency (POI). Mutations in the NR5A1 gene (SF-1) were previously described in disorders of sexual development and adrenal insufficiency. Recently, a high frequency of NR5A1 gene mutations was reported in a small group of women with POI. Design: Cross-sectional cohort study. Setting: University hospital. Patient(s): Well-phenotyped women (n = 386) with secondary amenorrhea and diagnosed with POI, including women with familial POI (n 77). Intervention(s): None. Main Outcome Measure(s): The entire coding region and splice sites of the NR5A1 gene were PCR-amplified and sequenced. The pathogenicity of identified mutations was predicted in silico by assessing Align-GVGD class and Grantham score. Result(s): Sequencing was successful in 356 patients with POI. In total, 9 mutations were identified in 10 patients. Five of these mutations concerned novel nonconservative mutations occurring in 5 patients. Prediction of effect on protein function showed low to intermediate pathogenicity for all nonconservative mutations. The overall NR5A1 gene mutation rate was 1.4%. Conclusion(s): The current study demonstrates that mutations in the NR5A1 gene are rare in women with POI. Primary ovarian insufficiency remains unexplained in the great majority of patients; therefore, continued efforts are needed to elucidate its underlying genetic factors. (Fertil Steril (R) 2012;97:141-6. (C) 2012 by American Society for Reproductive Medicine.)
Original languageUndefined/Unknown
Pages (from-to)141-U205
JournalFertility & Sterility
Issue number1
Publication statusPublished - 2012

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