Endogenous activator of intestinal guanylate cyclase. It stimulates this enzyme through the same receptor binding region as the heat-stable enterotoxins. May be a potent physiological regulator of intestinal fluid and electrolyte transport. May be an autocrine,paracrine regulator of intestinal salt and water transport.
Cloning and characterization of a cDNA encoding a precursor for human uroguanylin.Miyazato M., Nakazato M., Yamaguchi H., Date Y., Kojima M., Kangawa K., Matsuo H., Matsukura S.Biochem. Biophys. Res. Commun. 219:644-648(1996)
Research Topic:Signal Transduction