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Cell Journal، جلد ۲۲، شماره supplement ۱، صفحات ۸۱-۸۸
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عنوان انگلیسی Assessment Of DNA Repair Gene Expressions In Vitrified Mouse Preantral Follicles
چکیده انگلیسی مقاله Objective: Vitrification of the ovarian tissue is one of the techniques recommended for preserving the fertility of women
who are dealing with infertility. Despite its benefits, our information about the molecular aspects of ovarian follicles
vitrification is somehow ambiguous. Therefore, the aim of this study was to evaluate the expression pattern of DNA
repair genes in vitrified preantral follicles.
Materials and Methods: In this experimental study, the isolated preantral follicles (n=906) from 14-16 days old mice
(n=12) were divided into three groups: fresh, toxic and vitrified which were cultured in vitro for 12 days. Preantral
follicles were vitrified using cryotop followed by exposure to equilibration solution for five minutes and vitrification
solution (VS) for 30 seconds. In the toxic group, preantral follicles were only placed in equilibration and vitrification
media and they were then placed in the warming solutions without exposure to liquid nitrogen. On the second and
sixth days of the culture period, real-time quantitative reverse transcription-polymerase chain reaction (qRT-PCR) was
carried out to evaluate expression of the selected genes involved in DNA repair, including Msh6 (MutS homolog 6),
Mre11 (Meiotic recombination 11), Brca1 (Breast cancer type 1), Rad51 (RAD51 recombinase), Pcna (Proliferating
cell nuclear antigen) and Atm (ATM serine/threonine kinase). In addition, developmental parameters including growth, survival rate, antrum cavity formation and ovulation were analyzed.
Results: The relative mRNA expression of Msh6, Mre11, Brca1, Rad51, Pcna and Atm on the second and sixth days of the culture period in vitrified group was significantly higher than those of the control and toxic groups, but there was no significant difference between the toxic and control groups. In addition, developmental parameters of follicles were similar in both toxic and control groups, while both were significantly higher than that of vitrified group.
Conclusion: Vitrification changes the expression pattern of DNA repair genes of the mouse preantral follicles.
کلیدواژه‌های انگلیسی مقاله DNA Repair, Ovarian follicles, Vitrification
نویسندگان مقاله Zahra Khodavandpour |
Department of Biology, Damghan Branch, Islamic Azad University, Damghan, Iran

Saeed Zavareh |
School of Biology, Damghan University, Damghan, Iran;Institute of Biological Sciences, Damghan University, Damghan, Iran

Parisa Farrokh |
School of Biology, Damghan University, Damghan, Iran

Meysam Nasiri |
School of Biology, Damghan University, Damghan, Iran

نشانی اینترنتی https://www.celljournal.org/article_251700_d44200f6fb6b4c994749edbad4fe3b0e.pdf
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