Figure 5. Localization of HABP1 proprotein in testes from spermatogenic-arrested rats. Histochemical staining for HABP1 proprotein with anti-rHABP1 antibodies and Fast-Red in testes from spermatogenic-arrested rats (A, B) and adult rats (D, E). Histochemical staining with a normal rabbit serum control of testes from spermatogenic-arrested rats (C) and adult rats (F).