Formalin-fixed and paraffin-embedded rat lung labeled with Anti-CD4 Polyclonal Antibody, Unconjugated (OABF00238) 1:200, overnight at 4C, The secondary antibody was Goat Anti-Rabbit IgG, Cy3 conjugated used at 1:200 dilution for 40 minutes at 37C.
Human kidney
Formalin-fixed and paraffin embedded human kidney labeled with Anti-CD4 Polyclonal Antibody, Unconjugated (OABF00238) at 1:400 followed by conjugation to the secondary antibody and DAB staining