Immunohistochemical staining of formalin fixed paraffin embedded mouse spleen section with rabbit anti-CD4 (cat. no. HS-360 108, dilution 1 : 900, DAB). Nuclei have been counterstained with haematoxylin (blue).​

Immunohistochemical staining of formalin fixed paraffin embedded mouse liver section with rabbit anti-CD4 (cat. no. HS-360 108, dilution 1 : 900, DAB). Nuclei have been counterstained with haematoxylin (blue).​

Immunohistochemical staining of formalin fixed paraffin embedded mouse kidney section with rabbit anti-CD4 (cat. no. HS-360 108, dilution 1 : 900, DAB). Nuclei have been counterstained with haematoxylin (blue).​

Indirect immunostaining of a formalin fixed paraffin embedded mouse spleen section using rabbit anti-mouse CD4 (cat. no. HS-360 108, dilution 1 : 100, green) and rat anti-mouse CD3e (cat. no. HS-413 117, dilution 1 : 100, red). CD3e+ CD4+ double-positive cells (T helper cells) appear yellow. Nuclei have been visualized by DAPI staining (blue).​