Effect of follicle stimulating hormone and testosterone on viability rate of cryopreserved spermatogonial stem cell after thawing

Document Type : Research Articles


1 University of Tehran

2 Semnan University

3 Tarbiat Modarres University


Stem cells are generally defined as clonogenic cells capable of both self-renewal and differentiation. Probably the best method for long-term preservation of spermatogonial stem cells is cryopreservation. In this study, effects of Follicle Stimulating Hormone and Testosterone on viability rate of cryopreserved spermatogonial stem cell after Thawing were investigated. Sertoli and spermatogonial cells were isolated from 3-5 months old calves. Cocultured sertoli and spermatogonial cells were treated with Follicle Stimulating Hormone and Testosterone in treatment groups before cryopreservation. Results indicated that Follicle Stimulating Hormone increased viability rate of cryopreserved spermatogonial cells in
comparison with Testosterone and control group. In conclusion, using Follicle Stimulating Hormone provided proper bovine spermatogonial stem cell culture medium for in vitro
culture and cryopreservation of these cells.


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