Multiplex tyramide labeling of FFPE tissues. CF®488A-tyramide labeling pan-CK (green); Cy®3-tyramide labeling histone H1 (red); CF®640R-tyramide labeling ZO1 (magenta). Primary antibodies were from mouse, and secondary antibody was HRP-conjugated goat anti-mouse. Each labeling was performed sequentially, with antibody removal by microwave treatment.