Volume 5, Issue 4 (7-2007)                   IJRM 2007, 5(4): 121-126 | Back to browse issues page

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Peirouvi T, Farjah G, Soleimani Rad J, Ghaffari Novin M. Vitrification induced apoptosis in spermatozoa from fertile and subfertile men. IJRM 2007; 5 (4) :121-126
URL: http://ijrm.ir/article-1-79-en.html
1- Department of Histology, Faculty of Medicine, Urmia University of Medical Sciences, Urmia, Iran , tpeirouvi@yahoo.co.uk
2- Department of Histology, Faculty of Medicine, Urmia University of Medical Sciences, Urmia, Iran
3- Depatment of Histology, Faculty of Medicine, Tabriz University of Medical Sciences, Tabriz , Iran
4- Department of Reproductive Endocrinology and Embryology, Avesina Research Center, Shahid Beheshti University, Tehran, Iran
Abstract:   (2451 Views)
Background: Phospholipids are distributed asymmetrically between inner and outer leaflets of the plasma membrane of live cells. Early during apoptosis, this asymmetry is disrupted and phosphatidylserine becomes exposed on the outside surface of the plasma membrane. There is little information about the effects of vitrification on apoptosis.
Objective: The aim of the present study was to evaluate the effect of vitrification on apoptosis of subfertile and fertile men.
Materials and Methods: In this study, semen samples were collected from subfertile (n=20) and fertile men (n=10) after 48h abstinence of intercourse. After semen analysis according to WHO criterias, each semen sample was divided into two portions. First portion was assessed by Annexin V-flous staining kit for showing apoptosis in subfertile and fertile men and second portion was assessed after vitrification-thawing. Results were analyzed by Paired t-test and Independent t-test.
Results: After vitrification-thawing, mean percentage of apoptotic spermatozoa has increased 6 and 3 times in subfertile and fertile men respectively. This difference is significant.
Conclusion: Vitrification-thawing could disrupted membrane asymmetry and caused apoptosis. Therefore, it will cause reduction of functional spermatozoa in access of Assisted Reproduction Technologies (ART).
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Type of Study: Original Article |

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