Patent ID: 7598270

Claim:
A method of diagnosing a colorectal carcinoma having at least one HERG potassium channel in a patient suspected of suffering from colorectal carcinoma, which comprises the steps of: (a) obtaining from the patient a biopsy of colorectal tissue, lymph nodes or a sample of body fluid or stool, wherein the colorectal tissue, lymph nodes, body fluid, or stool are free of HERG potassium channels in a patient free of colorectal cancer; (b) detecting as a selective tumor marker any presence of at least one HERG potassium channel in the biopsy of colorectal tissue, lymph nodes, or in the body fluid or stool; and (c) relating detection of any presence of HERG potassium channel in the biopsy or sample to the diagnosis in the patient of colorectal carcinoma having at least one HERG potassium channel.