Pancreatic islets by scarce alpha, delta and PP cells in the periphery, human islets display alpha and beta cells in close relationship with each other throughout the cluster. Islets can influence each other through paracrine and autocrine communication, and beta cells are coupled electrically to six to seven other beta cells (but not to other cell types). The paracrine feedback system of the pancreatic islets has the following structure: A large number of G protein-coupled receptors (GPCRs) regulate the secretion of insulin, glucagon and somatostatin from pancreatic islets, and some of these GPCRs are the targets of drugs used to treat type-2
Ryan Langerhans coached by his father John, a former standout baseball player for the University of Texas, where Ryan was signed to play before signing a professional contract. Ryan hit a tournament-record three triples in the state tournament semi-final against Corpus Christi Moody before earning the win as the pitcher in the championship game against traditional Texas powerhouse Lubbock Monterey, who was coached by Bobby Moegle, the winningest coach in United States high school baseball history. Ryan Langerhans Ryan David Langerhans (born February 20, 1980) is an American former professional baseball outfielder. Langerhans was drafted in the third round of the 1998