CUMULUS CELL ROLE ON MOUSE GERMINAL VESICLE OOCYTE MATURATION, FERTILIZATION, AND SUBSEQUENT EMBRYO DEVELOPMENT TO BLASTOCYST STAGE IN VITRO

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MAHMOUDI REZA; ABBASI MAHDI; AMIRI IRAJ; RAGERDI KASHANI I.; PASBAKHSH P.; SAEIDPOUR KH.; AMIDI F.; ABOU ALHASANI FARID; SOBHANI A.GH.

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Journal: Cell Journal (Yakhteh) Year:2009 | Volume:11 | Issue:3 (43) Page(s): 299-302

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Title

CUMULUS CELL ROLE ON MOUSE GERMINAL VESICLE OOCYTE MATURATION, FERTILIZATION, AND SUBSEQUENT EMBRYO DEVELOPMENT TO BLASTOCYST STAGE IN VITRO

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Keywords

OOCYTES MATURATIONQ1

CUMULUS CELLSQ1

IN VITRO FERTILIZATIONQ3

Abstract

Objective: The purpose of this study is to investigate the effect of CUMULUS CELLS on maturation, fertilization and subsequent development of mouse germinal vesicle oocytes.Materials and Methods: A total of 470 germinal vesicle (GV) oocytes were obtained from 26 ovaries of 3-4 week old ICR female mice 48 hours after injection of 5 IU pregnant mare serum gonadotropin (PMSG). Collected oocytes were divided into two groups; group I: GV oocytes without CUMULUS CELLS (denuded oocyte), group II: GV oocytes with CUMULUS CELLS (cumulus-oocyte complex). The oocytes in both groups were cultured in TCM-199 medium supplemented with 10% fetal bovine serum (FBS) for 22-24 hours in a humidified atmosphere of 5% CO2 in air at 37oC. Oocyte maturation was scored under inverted microscope. To do IN VITRO FERTILIZATION, matured oocytes from each group were placed in T6 medium and capacitated spermatozoa were added. Then the fertilized oocytes were cultured and assessed for cleavage to the 2-cell stage 24 hours and production of blastocyst 120 hours after fertilization. Data was analyzed by chi-square test and differences in the values were considerable significant when p<0.05.Results: Maturation, fertilization, cleavage and blastocyst rates in denuded oocytes were:76.32%, 57.49%, 51.15% and 19.14% respectively. In the cumulus-oocyte complex rates were: 89.41%, 80.76%, 75.58% and 45.62% respectively; all in the cumulus-oocyte complex were significantly higher than those of denuded oocytes (p<0.05).Conclusion: The present study indicates that CUMULUS CELLS have important role during maturation, fertilization and subsequent embryo development to the blastocyst stage.

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APA: Copy

MAHMOUDI, REZA, ABBASI, MAHDI, AMIRI, IRAJ, SAEIDPOUR, KH., RAGERDI KASHANI, I., AMIDI, F., ABOU ALHASANI, FARID, SOBHANI, A.GH., & PASBAKHSH, P.. (2009). CUMULUS CELL ROLE ON MOUSE GERMINAL VESICLE OOCYTE MATURATION, FERTILIZATION, AND SUBSEQUENT EMBRYO DEVELOPMENT TO BLASTOCYST STAGE IN VITRO. CELL JOURNAL (YAKHTEH), 11(3 (43)), 299-302. SID. https://sid.ir/paper/16260/en

Vancouver: Copy

MAHMOUDI REZA, ABBASI MAHDI, AMIRI IRAJ, SAEIDPOUR KH., RAGERDI KASHANI I., AMIDI F., ABOU ALHASANI FARID, SOBHANI A.GH., PASBAKHSH P.. CUMULUS CELL ROLE ON MOUSE GERMINAL VESICLE OOCYTE MATURATION, FERTILIZATION, AND SUBSEQUENT EMBRYO DEVELOPMENT TO BLASTOCYST STAGE IN VITRO. CELL JOURNAL (YAKHTEH)[Internet]. 2009;11(3 (43)):299-302. Available from: https://sid.ir/paper/16260/en

IEEE: Copy

REZA MAHMOUDI, MAHDI ABBASI, IRAJ AMIRI, KH. SAEIDPOUR, I. RAGERDI KASHANI, F. AMIDI, FARID ABOU ALHASANI, A.GH. SOBHANI, and P. PASBAKHSH, “CUMULUS CELL ROLE ON MOUSE GERMINAL VESICLE OOCYTE MATURATION, FERTILIZATION, AND SUBSEQUENT EMBRYO DEVELOPMENT TO BLASTOCYST STAGE IN VITRO,” CELL JOURNAL (YAKHTEH), vol. 11, no. 3 (43), pp. 299–302, 2009, [Online]. Available: https://sid.ir/paper/16260/en

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