Volume 17, Issue 4 (10-2013)                   ibj 2013, 17(4): 179-186 | Back to browse issues page


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Abdollahi M, Salehnia M, Salehpour S, Ghorbanmehr N. Human Ovarian Tissue Vitrification/Warming Has Minor Effect on the Expression of Apoptosis-Related Genes. ibj. 2013; 17 (4) :179-186
URL: http://ibj.pasteur.ac.ir/article-1-1011-en.html
Abstract:  
Background: In this study, we evaluated the incidence of apoptosis at the ultrastructural levels and expression of some apoptosis-related genes in vitrified human ovarian tissue just after warming. Methods: Human ovarian tissue biopsies from 23 women after caesarean section were transported to the laboratory within 2 hours, and then they were cut into small pieces. Some pieces were vitrified and warmed and the other samples were considered as control. Apoptosis was assessed by a transmission electron microscope and also by molecular analysis of pro-apoptotic (Fas, FasL, Bax, p53, caspase8, and caspase3) and antiapoptotic (Bcl-2 and BIRC5) genem RNA levels using real-time RT-PCR before and after vitrification. Results: No sign of apoptosis was shown ultrastructurally in vitrified samples. The level of FasL, Bcl-2, Bax, p53, and caspase3 mRNA and Bax:Bcl-2 ratio were similar in non-vitrified and vitrified groups however, the expression of Fas and caspase8 genes was higher and BIRC5 was lower in vitrified samples compared to non-vitrified group (P<0.05). Conclusion: The fine structure of human vitrified ovarian tissue was well preserved moreover, vitrification was shown to affect the expression of some apoptosis-related genes. However, additional study is needed to confirm this observation.
Type of Study: Full Length | Subject: Related Fields

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