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OJVRTM

Online Journal of Veterinary Research©

Volume 20(2):126-135, 2016


Effects of CSF1 and GDNF on short-term cultivation of sheep spermatogonial stem cells

 

Peyman Rahimi-Feyli1Aliasghar Moghaddam1Parviz Tajik2, Shiva Shafiei, Zahra Nikousefat1

Mojtaba Goli1, Nafiseh Alighazi2, Reza Narenji-Sani3

 

1-Department of clinical Sciences, Faculty of Veterinary Medicine, Razi University, Kermanshah, 2- Department of Theriogenology, Faculty of Veterinary Medicine, University of Tehran, 3- Department of clinical Sciences, Faculty of Veterinary Medicine, Semnan University, Semnan, Iran

 

ABSTRACT

 

Rahimi-Feyli P, Moghaddam A, Tajik P, Shafiei S, Nikousefat Z, Goli M, Alighazi N, Narenji-Sani R., Effects of CSF1 and GDNF on short-term cultivation of sheep spermatogonialstem cellsOnl J Vet Res.20(2):126-135, 2016. Spermatogonial stem cells (SSCs) from mammalian testes could be used to generate transgenic animals and preserve genetic material.  We describe In vitro colony formation of type A spermatogonia from prepubertal lambs in the presence of GDNF and CSF1. Testicular cells were isolated from testes by two-step enzymatic digestions purified by differential plating. Isolated cells were treated with 40 ng/ml GDNF; 40ng/ml CSF1 and 40 ng/ml GDNF; or 40ng/ml CSF1. Controls received no treatment. Colony forming assay was done at day 4, 7 and 10 of cultivation. Cell identification was confirmed by immunocytochemistry against PGP9.5 and light and transmission electron microscopy (TEM). Number of colonies were greater with GDNF+CSF1 compared with CSF1 or controls at day 10 (P<0.05). Surface area of colonies in GDNF + CSF1 group were greater than  controls on day 4 and 7 and greater than in CSF1 on day 7 (P<0.05). The cells also expressed PGP9.5. The findings suggest that simultaneousaddition of 40ng/ml GDNF and CSF1 to culture media may increase In vitro colony formation of prepubertal sheep SSCs.

 

Key words: Spermatogonial stem cell, CSF1, GDNF, Sheep


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