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首页> 外文期刊>Journal of Endocrinological Investigation: Official Journal of the Italian Society of Endocrinology >Preliminary data on effects of metformin on PED/PEA-15 cellular levels in obese women with polycystic ovary syndrome.
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Preliminary data on effects of metformin on PED/PEA-15 cellular levels in obese women with polycystic ovary syndrome.

机译：Preliminary data on effects of metformin on PED/PEA-15 cellular levels in obese women with polycystic ovary syndrome.

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BACKGROUND: The cellular abundance of the phosphoprotein enriched in diabetes (PED/PEA-15), a 15 kDa protein related to insulin resistance (IR), is increased in women with polycystic ovary syndrome (PCOS). AIM: To investigate whether metformin (MET) has additive effects on PED/PEA-15 protein levels. MATERIAL/SUBJECTS AND METHODS: This is an open label, prospective clinical study over 6 months. Ten hyperandrogenic obese PCOS women age: 24.6+/-1.6 yr; body mass index (BMI): 30.7+/-1.2 kg/m(2) were treated with MET (1250 mg/day). Ten age- and BMI-matched normo-androgenic women were used as controls. Outcome measures are: PED/PEA-15 protein levels, fasting plasma glucose and insulin (FPI), reciprocal index of homeostasis model assessment of insulin resistance (1/HOMA-IR); quantitative insulin sensitivity check index (QUICKI); wholebody insulin sensitivity index (ISI); SHBG; total testosterone; free androgen index (FAI). RESULTS: At baseline FPI and PED/PEA- 15 protein levels were higher, while 1/HOMA-IR, QUICKI, and ISI were lower (p<0.001) in MET group than in controls. After treatment, independently of body weight and hyperandrogenism, FPI, and PED/PEA-15 protein levels decreased (p=0.001 and 0.004, respectively), while, 1/HOMA-IR, QUICKI, and ISI increased (p<0.001). PED/PEA-15 protein levels correlated significantly with ISI either before (r=0.636; p=0.048), and after treatment (r=0.758; p=0.011). CONCLUSIONS: PED/PEA-15 protein levels reduced after a short course of treatment with MET in a group hyperandrogenic obese PCOS women. This effect was independent of body weight and hyperandrogenism, and correlated with ISI, thus adding a further benefit to obese PCOS women.

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