Identification and localization of the AJ cadherins in mammalian hepatocytes. (A–B′′) Immunofluorescence micrographs of cryostat sections through bovine liver showing double-label reactions of N (A, A′′, B, and B′′; green)- and E-cadherin (B′ and B′′; red), also in comparison with desmosomal junctions (immunolocalizations of desmoplakin are seen as red fluorescent dots in A′ and A′′). A different localization of N-cadherin and the desmosomal protein is seen in the double-label immunofluorescence merged color picture (A′′), whereas colocalization of N- and E-cadherin is recognized as yellow (merge color)-stained AJ structures (B′′; on a phase-contrast background). Bars, 10 µm.