immunoelectron microscopy confirmed immunofluorescence and immunoperoxidase results of epidermal keratinocyte staining , and revealed two different antibody reactivity patterns : kl2 reacted with keratin filaments in keratinocytes of all epidermal layers , whereas antigen to kl1 was detected only on keratin of the suprabasal layers , not on the basal keratinocyte tonofilaments .
C0014520
epidermal
C0022567
tonofilaments