HHEX and neoplasm: To investigate whether tumor cells treated with hR1 or Hex-hR1 would invoke mesenchymal-epithelial transition (MET), the basal levels of E-cadherin (E-cad) and vimentin (vim) were determined by Western blot in a variety of solid cancer cell lines (Fig. 6D and data not shown), with the results indicating MCF7, MDA-MB-468, HepG2, HT-29, ME-180, and BxPC-3 express only E-cad; MDA-MB-231, A375, SK-MES-1, ACHN, 786-O, and RH-30 express only vim; and DU 145, Huh7, A549, and Capan-1 express both E-cad and vim.