Trop-2, cell surface glycoprotein Trop-2, Membrane component chromosome 1 surface marker 1, pancreatic carcinoma marker protein, GA733-1, TACSTD2, GA733-1, M1S1, TROP2, growth factor receptor, blindness, fibroblast motility, lung cell proliferation, ERK kinase pathway, vision, sensory transduction, amyloid, cell proliferation, cell surface receptor, stem cell differentiation, corneal dystrophy, and amyloidosis