Aim:To study the expression and regulation of Smad1,Smad2 and Smad4 proteins(intracellular signaling molecules of transforming growth factor-β family)in rat tes
Aim: To investigate the effect of aging on the expression of nitric oxide synthase I (NOS I) and the activity of NOS in rat penis. Methods: Sixty male rats from
To pretreat sperm at various temperatures before exposure to human papillomavirus(HPV)16DNA fragments and to assess the efficiency of HPV carrier sperm to trans