Ontological categories overexpressed in attached keratinocytes.

a) Ectoderm development. Known components of the cornified envelopes are marked with double asterisks. b) Desmosomal; proteins. Some of these are also noted as ectoderm development markers. c) Response to bacteria; the two defensins are marked with tildes. d) Negative regulators of proliferation. e) Genes responding to steroid hormone regulation. f) Components of the MAPK signaling cascades.