We first used PCR amplification of selected GPCRs (Vassilatis et al., 2003) starting from cDNA derived from mouse proximal duodenal mucosal scrapings, and from cells of the intestinal STC-1 cell line (Secretin Tumor Cell line - 1) incubated in 5 mM or 25 mM glucose. The gene discussed is SCT; the disease is neoplasm.