Source:http://linkedlifedata.com/resource/umls/id/C0018338
MSH: Guanosine cyclic 3',5'-(hydrogen phosphate). A guanine nucleotide containing one phosphate group which is esterified to the sugar moiety in both the 3'- and 5'-positions. It is a cellular regulatory agent and has been described as a second messenger. Its levels increase in response to a variety of hormones, including acetylcholine, insulin, and oxytocin and it has been found to activate specific protein kinases. (From Merck Index, 11th ed),CSP: guanosine cyclic 3',5'-(hydrogen phosphate); a guanine nucleotide containing one phosphate group which is esterified to the sugar moiety in both the 3'- and 5'-positions; it is a cellular regulatory agent and a second messenger; its levels increase in response to a variety of hormones, including acetylcholine, insulin, and oxytocin and it has been found to activate specific protein kinases.,NCI: A cellular regulatory agent that acts as a second messenger. Its levels increase in response to a variety of signals (acetylcholine, insulin, oxytocin) and activates speci