Supplementation of IVM culture media with GDF-۹ can potentially enhance oocyte quality, fertilization and embryo development in ICSI procedure
Publish place: Central Asian Journal of Medical and Pharmaceutical Sciences Innovation، Vol: 1، Issue: 2
Publish Year: 1400
نوع سند: مقاله ژورنالی
زبان: English
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شناسه ملی سند علمی:
JR_CAJMPSI-1-2_001
تاریخ نمایه سازی: 5 خرداد 1400
Abstract:
In vitro maturation (IVM) of human oocytes is important in assisted reproductive technology (ART) laboratories. The present study aimed to investigate the effect of growth differentiation factor ۹ (GDF-۹) additions into IVM medium, and co-culture of cumulus cells (CCs) on IVM outcome. ۳۸۵ immature oocytes in germinal vesicle (GV) stage were divided into four groups based on the IVM culture condition; ۱) GV oocytes cultured in standard IVM medium (control), ۲) GV oocytes co- cultured with CCs, ۳) GV oocytes treated with GDF-۹, and ۴) GV oocytes co- cultured with CCs and treated with GDF-۹, simultaneously. The presence of meiotic spindle (MS) and zona pellucida (ZP) birefringence were assessed in IVM oocytes, followed by intracytoplasmic sperm injection (ICSI). Finally, fertilization rate and embryo development in two-day-old embryos were evaluated. Maturation rates of GV oocytes were similar a whole groups following ۲۴-۴۸ h of incubation. A significant higher rate of oocytes matured in the medium treated with CCs reached ۲ pronuclear (۲PN) stage compared with those matured in the standard medium, respectively (۷۶.۵% vs. ۵۱.۶%, P= ۰.۰۱). The percentage of oocytes with visible MS was higher in all treated groups, but this difference was significant between the oocytes matured in medium supplemented with GDF-۹ and control group (۴۵% vs. ۲۶.۶% respectively, P= ۰.۰۵). Co-culturing of GV oocytes with CCs and/or supplementation of IVM medium with GDF-۹ are potentially involved in improvement of fertilization and embryo development. Also, MS assessment provides an early predictor of embryo development.
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Authors
Sareh Ashourzadeh
Afzalipour Clinical Center for Infertility, Afzalipour Hospital, Kerman University of Medical Sciences, Kerman, Iran
Mohammad Ali Khalili
Research and Clinical Center for Infertility, Shahid Sadoughi University of Medical Sciences, Yazd, Iran
Marjan Omidi
Afzalipour Clinical Center for Infertility, Afzalipour Hospital, Kerman University of Medical Sciences, Kerman, Iran
Stefania A Nottola
Department of Anatomy, Histology, Forensic Medicine and Orthopaedics, University of Rome La Sapienza, Italy
Azita Faramarzi
Fertility and Infertility Research Center, Health Technology Institute, Kermanshah University of Medical Sciences
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