Fig. 3From: Zinc transporter ZIP12 maintains zinc homeostasis and protects spermatogonia from oxidative stress during spermatogenesisZIP12 localization in testis and spermatozoa from human specimens. A Immunohistochemical analysis of ZIP12 expression in human testis. The red arrow indicated the spermatogonia positive for ZIP12 staining. Control represents normal rabbit IgG staining. Scale bar = 50 μm. B Immunofluorescent staining of ZIP12 (red) in human spermatozoa, indicating its distribution in the head and the midpiece of tail. Cell nuclei were stained with DAPI (blue). DIC images show the sperm shape. Scale bar = 20 μmBack to article page