WHICH STAGE OF MOUSE EMBRYOS IS MORE APPROPRIATE FOR VITRIFICATION?

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GHANDY NASIBEH; KARIMPOUR MALEKSHAH ABBAS ALI

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Journal Paper

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Journal: Iranian Journal of Mathematical Sciences and Informatics Year:2017 | Volume:10 | Issue:4 Page(s): 357-362

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Title

WHICH STAGE OF MOUSE EMBRYOS IS MORE APPROPRIATE FOR VITRIFICATION?

Author(s)

GHANDY NASIBEH | KARIMPOUR MALEKSHAH ABBAS ALI | Issue Writer Certificate

Keywords

VITRIFICATION

EMBRYO

PREIMPLANTATION

Abstract

Background: VITRIFICATION has been shown as one of the most effective methods of cryopreservation for mammalian EMBRYOs. However, there is no consensus which stage of EMBRYOnic development is the most appropriate for VITRIFICATION with subsequent maximal development after thawing. This study was carried out to explore and compare the effect(s) of VITRIFICATION on mouse 2-cell, 4-cell, 8-cell, morula and blastocyst stage EMBRYOs and subsequent blast formation and hatching after thawing.Materials and Methods: In this experimental study, 2-cell EMBRYOs were obtained from the oviducts of super ovulated female NMRI mice. Some EMBRYOs were randomly selected and vitrified through a two-step media protocol and cryotop. Other EMBRYOs were cultured to assess their development. During the ensuing days, some of these cultured EMBRYOs were vitrified at 4-cell, 8-cell, morula and blastocyst stages. After 10 to 14 days, the EMBRYOs were thawed to assess their survival and also cultured to determine the rate of blastocyst formation and hatching. The results were analyzed using one-way ANOVA and Tukey’s post-hoc tests.Results: There was no significant difference in the survival rates of vitrified EMBRYOs at 2-cell, 4-cell, 8-cell, morula and blastocyst stages after thawing (P>0.05). The blastocyst formation rate of vitrified 8-cell EMBRYOs was significantly higher than that of 2-cell EMBRYOs (P<0.05). The hatching rate of vitrified 4-cell, 8-cell and blastocysts were significantly higher than that of 2-cell EMBRYOs (P<0.05).Conclusion: VITRIFICATION is suitable for cryopreservation of all stages of mouse EMBRYOnic development. However, the best tolerance for VITRIFICATION was observed at 4- and 8-cell stages of development. Accordingly, the development of vitrified EMBRYOs to blastocysts, following thawing, was most efficacious for 4 and 8-cell EMBRYOs. Compared to mouse 2-cell EMBRYOs, EMBRYOs vitrified as blastocysts had the highest rate of hatching.

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APA: Copy

GHANDY, NASIBEH, & KARIMPOUR MALEKSHAH, ABBAS ALI. (2017). WHICH STAGE OF MOUSE EMBRYOS IS MORE APPROPRIATE FOR VITRIFICATION?. IRANIAN JOURNAL OF MATHEMATICAL SCIENCES AND INFORMATICS (IJMSI), 10(4), 357-362. SID. https://sid.ir/paper/305903/en

Vancouver: Copy

GHANDY NASIBEH, KARIMPOUR MALEKSHAH ABBAS ALI. WHICH STAGE OF MOUSE EMBRYOS IS MORE APPROPRIATE FOR VITRIFICATION?. IRANIAN JOURNAL OF MATHEMATICAL SCIENCES AND INFORMATICS (IJMSI)[Internet]. 2017;10(4):357-362. Available from: https://sid.ir/paper/305903/en

IEEE: Copy

NASIBEH GHANDY, and ABBAS ALI KARIMPOUR MALEKSHAH, “WHICH STAGE OF MOUSE EMBRYOS IS MORE APPROPRIATE FOR VITRIFICATION?,” IRANIAN JOURNAL OF MATHEMATICAL SCIENCES AND INFORMATICS (IJMSI), vol. 10, no. 4, pp. 357–362, 2017, [Online]. Available: https://sid.ir/paper/305903/en

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