title: Reply to the letter to the editor of Nicholas Wright.
authors.affiliation: Molecular Cell Biology and Cancer Research, Department of Molecular Cell Biology, Weizmann Institute of Science, 234 Herzl St., Rehovot 76100, Israel. Electronic address: abraham.amsterdam@weizmann.ac.il.
authors.forename: Abraham
authors.initials: A
authors.lastname: Amsterdam
mesh_terms: D003110:Colonic Neoplasms / Q000473:pathology*; D018398:Homeodomain Proteins / Q000378:metabolism*; D006801:Humans; D014411:Neoplastic Stem Cells / Q000473:pathology*; D043562:Receptors, G-Protein-Coupled / Q000378:metabolism*
chemical_list: D018398:Homeodomain Proteins; D043562:Receptors, G-Protein-Coupled