Table 1. EpCAM expression patterns in various organs during embryonic development.

Embryonic stage	EpCAM-expressing tissues
E9.5	Ear, brachial arch, pharynx, gut
E11.5	Limb ventral ectoderm, apical ectodermal ridge, ear, whole GI tract, intersomitic junction, eye, pharynx
E14.5	Ear, hair follicle, limb ectoderm, eye, nasal/turbinate, lung, kidney, pancreas, GI tract