期刊
FERTILITY AND STERILITY
卷 96, 期 2, 页码 464-468出版社
ELSEVIER SCIENCE INC
DOI: 10.1016/j.fertnstert.2011.05.036
关键词
Growth differentiation factor 9; bone morphogenetic protein 15; polycystic ovary syndrome; oocyte maturation; oocyte quality
资金
- National Natural Science Foundation of China [30973202]
- Guangdong Provincial Fund of Industry, Education, and Academy [2008B090500194]
- Ministry of Education of China [20090171110059]
Objective: To investigate the expression pattern of two oocyte-secreted factors-growth differentiation factor 9 (GDF9) and bone morphogenetic protein 15 (BM15)-during oocyte maturation in women with polycystic ovary syndrome (PCOS) and in controls and to evaluate the expression differences in oocytes between the two groups. Design: Case-control study. Setting: University-affiliated hospital. Patient(s): Twenty-five oocytes were obtained from 12 patients with PCOS and 82 oocytes from 56 controls. Intervention(s): None. Main Outcome Measure(s): The abundance of GDF9 and BMP15 mRNA in oocytes of the germinal vesicle (GV), metaphase I (MI), and MII stage. Result(s): The expression of GDF9 and BMP15 mRNA displayed dynamic changes during oocyte maturation in controls after ovarian stimulation, with a decline at the MI stage and an increase to the peak at the MII stage. However, their expression in oocytes from patients with PCOS demonstrated a reduced state without any dynamic change. Conclusion(s): The results suggest that the expression of GDF9 and BMP15 in oocytes from patients with PCOS cannot reach the normal level even after ovarian stimulation and that the expression pattern is abnormal during oocyte maturation, which may be associated with impaired oocyte quality and developmental competence in PCOS. (Fertil Steril (R) 2011;96:464-8. (C) 2011 by American Society for Reproductive Medicine.)
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