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Depletion of GPSM1 enhances ovarian granulosa cell apoptosis via cAMP-PKA-CREB pathway in vitro.

ABSTRACT: BACKGROUND:Genetic causes of premature ovarian insufficiency (POI) account for approximately 20?~?25% of patients. So far, only a few genes have been identified. RESULTS:Here, we first identified the c.1840C?>?A on G-protein signaling modulator 1 (GPSM1) as a susceptibility locus for POI in 10 sporadic POI patients by whole-exome sequencing. The frequency of GPSM1 c.1840C?>?A was then verified as 3/20 in a POI sample of 20 patients (including the above 10 patients) by Sanger sequencing. RT-PCR and western blot analysis showed the expression of GPSM1 in rat ovaries was increased in the large antral follicle stage compared to the primordial follicle stage (P??A of POI for the first time. Gpsm1 was related to rat follicle development, and silencing of Gpsm1 increased apoptosis and decreased proliferation in rat GCs, possibly through inhibition of the cAMP-PKA-CREB pathway.

PROVIDER: S-EPMC7680585 | BioStudies |

REPOSITORIES: biostudies

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