, Volume 17, Issue 10, pp 574-579

Clinical Correlation of Cyclin D2 mRNA Expression in Human Luteinized Granulosa Cells

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Abstract

Purpose: The aim was to evaluate whether the expression of cyclin D2 mRNA in human luteinized granulosa cells correlates with the clinical parameters of women undergoing in vitro fertilization–embryo transfer (IVF-ET) programs.

Methods: Using reverse transcriptase–polymerase chain reaction (RT-PCR) techniques, the cyclin D2 mRNA in human luteinized granulosa cells of large follicles was measured. Correlation analysis between cyclin D2 mRNA expression and clinical parameters [age; day3 follicle-stimulating hormone (FSH), luteinizing hormone (LH), and estradiol (E2); E2 and P4 at the day of human chorionic gonadotropin (hCG); total amount of gonadotropin and the number of days of gonadotropin administration; pregnancy outcome] were performed.

Result(s): Cyclin D2 mRNA expression showed negative correlation with patient's age (R = −0.60, P < 0.005) and total amount of gonadotropins (R = −0.45, P < 0.03), and also showed positive correlation with serum E2 levels at the day of hCG administration (R = 0.55, P < 0.02). Other clinical parameters showed no statistical significance. Cyclin D2 mRNA expression of pregnant group was higher than that of nonpregnant group (P < 0.03).

Conclusions: Cyclin D2 mRNA expression in human luteinized granulosa cells positively correlates with clinical parameters of ovarian function and may be a novel marker for the health of human ovarian follicle.