ASSESSMENT OF IN VITRO MATURATION AND FERTILIZATION OF BDF1 MICE GERMINAL VESICLE OOCYTES WITH AND WITHOUT CUMULUS CELL AFTER VITRIFICATION

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RAJAHEI F.; NASIRI E.; ROOZBEHI A.; DELAVIZ H.; ABIDI H.; ARYANPOOR R.; MAHMOUDI R.

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Journal: Journal of Guilan University of Medical Sciences Year:2012 | Volume:21 | Issue:81 Page(s): 1-11

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Title

ASSESSMENT OF IN VITRO MATURATION AND FERTILIZATION OF BDF1 MICE GERMINAL VESICLE OOCYTES WITH AND WITHOUT CUMULUS CELL AFTER VITRIFICATION

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Keywords

CUMULUS CELLSQ3

ETHYLENE GLYCOLQ2

FERTILIZATION IN VITROQ3

FREEZINGQ2

MICEQ3

Abstract

Introduction: Improving pregnancy rate associated with the use of cryopreserved oocytes would be an important advancement in human Assisted Reproductive Technology (ART). Vitrification allows glasslike solidification of a solution, a physical process, without ice crystal formation in the living cells.Objective: The purpose of this study was to evaluate the viability of the oocytes, in vitro maturation and embryo development vitrified germinal vesicle oocytes after single and stepwise exposure to cryoprotectants.Materials and Methods: Germinal vesicle oocytes with or without CUMULUS CELLS were transferred to a verification solution composed of 30% M sucrose (v/v) ETHYLENE GLYCOL, 18% (w/v) Ficoll- 70, and 0.3 M sucrose either by single step or in a step-wise fashion. After verification and storage in liquid nitrogen, the oocytes were thawed and washed twice in the medium TCM119 and then subjected to in vitro maturation, fertilization and culture.Results: The oocytes survival rates after vitrifying-warming, maturation rate, the capacity of fertilization and embryonic development to 2-cell were examined in vitro. The oocytes surviving, maturing to MII, fertilization developmental rate in the step-wise exposure were significantly higher (P<0.05), compared with the corresponding rate in single step procedure.Conclusion: The results of the present study indicated that oocytes vitrified with CUMULUS CELLS and stepwise procedure had a positive effect on the maturation and developmental rate than oocytes without cumulus cell and single step procedure.

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APA: Copy

RAJAHEI, F., NASIRI, E., ROOZBEHI, A., DELAVIZ, H., ABIDI, H., ARYANPOOR, R., & MAHMOUDI, R.. (2012). ASSESSMENT OF IN VITRO MATURATION AND FERTILIZATION OF BDF1 MICE GERMINAL VESICLE OOCYTES WITH AND WITHOUT CUMULUS CELL AFTER VITRIFICATION. JOURNAL OF GUILAN UNIVERSITY OF MEDICAL SCIENCES, 21(81), 1-11. SID. https://sid.ir/paper/40295/en

Vancouver: Copy

RAJAHEI F., NASIRI E., ROOZBEHI A., DELAVIZ H., ABIDI H., ARYANPOOR R., MAHMOUDI R.. ASSESSMENT OF IN VITRO MATURATION AND FERTILIZATION OF BDF1 MICE GERMINAL VESICLE OOCYTES WITH AND WITHOUT CUMULUS CELL AFTER VITRIFICATION. JOURNAL OF GUILAN UNIVERSITY OF MEDICAL SCIENCES[Internet]. 2012;21(81):1-11. Available from: https://sid.ir/paper/40295/en

IEEE: Copy

F. RAJAHEI, E. NASIRI, A. ROOZBEHI, H. DELAVIZ, H. ABIDI, R. ARYANPOOR, and R. MAHMOUDI, “ASSESSMENT OF IN VITRO MATURATION AND FERTILIZATION OF BDF1 MICE GERMINAL VESICLE OOCYTES WITH AND WITHOUT CUMULUS CELL AFTER VITRIFICATION,” JOURNAL OF GUILAN UNIVERSITY OF MEDICAL SCIENCES, vol. 21, no. 81, pp. 1–11, 2012, [Online]. Available: https://sid.ir/paper/40295/en

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