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Year : 2019  |  Volume : 3  |  Issue : 3  |  Page : 133-140

Knockdown of the premature ovarian insufficiency candidate gene NUP107 in ovarian granulosa cells affects cell functions, including receptor expression and estrogen synthesis

1 Department of Obstetrics and Gynecology, Obstetrics and Gynecology Hospital of Fudan University; Shanghai Key Laboratory of Female Reproductive Endocrine Related Diseases, Fudan University, Shanghai 200011, China
2 Department of Obstetrics and Gynecology, Obstetrics and Gynecology Hospital of Fudan University, Shanghai 200011; The Institute of Reproduction and Development, Obstetrics and Gynecology Hospital, Institute of Reproduction and Development, Fudan University, Shanghai 200438, China

Correspondence Address:
Bin Li
Department of Obstetrics and Gynecology, Obstetrics and Gynecology Hospital of Fudan University, No. 419 Fangxie Road, Shanghai 200011
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Source of Support: None, Conflict of Interest: None

DOI: 10.4103/2096-2924.268158

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Objective: Mutations in NUP107 have been discovered in patients with premature ovarian insufficiency and may have tissue-specific effects in ovarian development. However, the role of NUP107 in human granulosa cell (GC) function and female fertility still remains unknown. In this study, we used RNA interference to investigate how NUP107 dysfunction influences GCs and ovarian development. Methods: Immunohistochemical staining was used to detect the expression of NUP107 in ovaries. Cell counting kit-8 assay, real-time cell analysis, and flow cytometry were used to explore cell proliferation and apoptosis, and an enzyme-linked immunosorbent assay was used to assess the estrogen concentrations. Quantitative real-time reverse transcription-quantitative polymerase chain reaction and Western blot analyses were used to determine the expression of NUP107 and functional receptors. Results: Knockdown of NUP107 expression had little effect on the growth and number of GCs. Further study confirmed that knockdown of NUP107 may interfere with estrogen synthesis in GCs and their sensitivity to the regulation of follicle-stimulating hormone (FSH) by decreasing the expression of estrogen synthesis-related genes AR, CYP17A1, CYP19A1, STAR, and NR5A1. Moreover, knockdown of NUP107 decreased the expression of AMHR2, FSHR, LHR, and ESR1 in GCs, but had no effect on the expression of ESR2. Conclusions: These data revealed that NUP107 may impede follicle growth and maturation by regulating hormone synthesis, sensitivity to follicle-stimulating hormone, and expression of functional receptors in GCs, and may, therefore, interfere with female fertility.

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