Fig. 4

Photomicrographs of a cytoplasmic Bcl-2 expression in the testis of mice showing moderate immunoreactivity in control group. b Cytoplasmic Bcl-2 expression in the testis of mice showing moderate immunoreactivity in control group. Expression is prominent mainly in spermatocytes (black arrows) and spermatids (blue arrows). Leydig cells (red arrowheads) also show some immune reactivity. c Cytoplasmic Bcl-2 expression in the testis of mice showing moderate immunoreactivity in seminiferous tubules of curcumin-treated group. d Cytoplasmic Bcl-2 expression in the testis of mice showing moderate immunoreactivity in seminiferous tubules of curcumin-treated group. Leydig cells (red arrowheads) also show some immune reactivity. e Cytoplasmic Bcl-2 expression in the testis of mice showing weak immunoreactivity in the malathion-treated group. Expression is prominent mainly in spermatocytes (black arrows) and spermatids (blue arrows). Leydig cells (red arrowheads) also show some immune reactivity. f Cytoplasmic Bcl-2 expression in the testis of mice showing weak immunoreactivity in the malathion-treated group. Expression is prominent mainly in spermatocytes (black arrows) and spermatids (blue arrows). g Cytoplasmic Bcl-2 expression in the testis of mice showing moderate immunoreactivity in seminiferous tubules of the curcumin + malathion-treated group. h Cytoplasmic Bcl-2 expression in the testis of mice showing moderate immunoreactivity in seminiferous tubules of the curcumin + malathion-treated group. Leydig cells (red arrowheads) also show some immune reactivity. Photomicrographs of a, c, e, and g are at × 100 resolution by immunohistochemistry staining using anti-Bcl-2 monoclonal antibody with hematoxylin counterstain. Photomicrographs of b, d, f, and h are at × 400 resolution by immunohistochemistry staining using anti-Bcl-2 monoclonal antibody with hematoxylin counterstain