Fig. 3. CD36 protein is expressed in Sertoli cells. (A) Immunofluorescence analysis of CD36 protein expression in 15P-1 cells. The protein is mainly located in the perinuclear region of 15P-1 cells (n, nucleus) and not at the plasma membrane (arrowhead). Bar, 10 µm. (B) Immunofluorescence analysis in germ cells of CD36 protein expression (left) and the corresponding pictures with nuclear DAPI staining (right). B1, elongated (es) and round (rs) spermatids; B2, spermatocytes. No signal was observed on freshly isolated pre-meiotic or post-meiotic germ cells. Bar, 10 µm.