Does Pten have an impact on oogenesis of PCOS mouse models?
Abstract
Polycystic ovary syndrome (PCOS) is a complex disorder in which the aetiology is still not explained very well. The PI3K/PTEN (phosphatidylinositol 3-kinase/phosphatase and tensin homolog deleted on chromosome 10) pathway is an important pathway that is involved in many mechanisms, including proliferation, growth and motility. PTEN plays a role in granulosa cell proliferation and regulates the differentiation process. The aim of this study was to investigate the expression levels of Pten and Pik3ca in PCOS mouse models with and without any treatment procedures. Three groups of mouse models, PCOS, a PCOS group with clomiphene citrate treatment, and a PCOS group with the combination of clomiphene citrate, metformin and pioglitazone treatment, were established. Ovarian tissues, which were obtained from these groups and a control group with no PCOS, were embedded in paraffin and RNA was extracted. cDNA was synthesized and real-time PCR was conducted to evaluate the expression levels of Pten and Pik3ca. The results of this study showed that both Pten and Pik3ca genes were expressed in the ovarian tissues from the mouse models. Although one-way analysis of variance results showed that Pten was expressed significantly differently in the samples, individual Student's t-tests did not show any significantly different expression levels in each group. This study is important as it shows the expression patterns of two genes in PCOS mouse models with different treatment strategies,…
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