
Immunohistochemical analysis of formalin-fixed, paraffin-embedded Human transplanted kidney tissue labelling C4d with ab136921 at 1/100 dilution showing diffuse strong positive immunostaining of peritubular and glomerular capillaries, indicating acute antibody mediated rejection.

Immunohistochemical analysis of formalin-fixed, paraffin-embedded Human transplanted kidney tissue labelling C4d with ab136921 at 1/100 dilution showing diffuse strong positive immunostaining of dilated peritubular moderate capillaries indicating acute antibody mediated rejection.