Glp 1 7 37

A transfected Chinese hamster ovary (CHO), Hela, a murine interleukin-3 dependent pro-B (Ba/F3), PC12, and rat basophil leukemia cell lines were obtained from Eurofins Scientific (Eurofins-Cerep, Le Bois I’Eveque, France). Buffers—Dulbecco’s modified Eagle medium (DMEM) buffer, 4-(2-hydroxyethyl)-1-piperazineethanesulfonic acid (HEPES) buffer, and Hank’s balanced salt solution (HBSS) buffer—were purchased from Invitrogen (Carlsbad, CA, USA). The reference agonists: 5′-N-ethylcarboxamidoadenosine (NECA), epinephrine bitartrate, epinephrine, DPDPE, CP 55940, linoleic acid, GLP-1(7–37, arginine vasopressin (AVP), and serotonin, and antagonists: ZM 241385, RX-821002, rauwolscine, naltriben mesylate, AM 281, exendin-3(9–39), [d(CH₂)₅¹, Tyr (Me)₂]-AVP, (S)-WAY-100635, and GR55562) were obtained from Sigma-Aldrich (St. Louis, MO, USA). All other chemicals and reagents purchased from Merck and Fluka were of the highest available grade unless otherwise stated.