GlucagonDiabetes Mellitus, Type 1Receptors, GlucagonDiabetes MellitusDiabetes Mellitus, Type 2Purinergic P1 Receptor AgonistsDiabetes ComplicationsSerotonin Receptor AgonistsDopamine AgonistsDiabetes Mellitus, ExperimentalInsulinBlood GlucoseSerotonin 5-HT1 Receptor AgonistsSerotonin 5-HT2 Receptor AgonistsAdenosine A1 Receptor AgonistsDose-Response Relationship, DrugGlucagon-Secreting CellsHypoglycemic AgentsAdenosine A2 Receptor AgonistsGABA AgonistsGABA-A Receptor AgonistsGABA-B Receptor AgonistsCannabinoid Receptor AgonistsSerotonin 5-HT4 Receptor AgonistsRats, Sprague-DawleyIslets of LangerhansDiabetes, GestationalPurinergic P2 Receptor AgonistsHemoglobin A, GlycosylatedAdrenergic alpha-2 Receptor AgonistsHypoglycemiaLiverGlucoseReceptors, Opioid, kappaAdenosine A3 Receptor AgonistsAdenosineHistamine AgonistsRats, WistarGlucagon-Like Peptide 1HyperglycemiaCyclic AMPMuscarinic AgonistsSomatostatinReceptors, Opioid, muVenomsSerotonin AntagonistsTime Factors2,3,4,5-Tetrahydro-7,8-dihydroxy-1-phenyl-1H-3-benzazepineAdrenergic beta-3 Receptor AgonistsReceptors, Dopamine D2PancreasPhenethylaminesCells, CulturedDiabetes InsipidusNicotinic AgonistsReceptors, Purinergic P1Adrenergic AgonistsReceptors, Opioid, deltaBaclofenQuinpiroleGlucose Tolerance TestPiperidinesExcitatory Amino Acid AgonistsRats, Inbred StrainsReceptors, Dopamine D1Insulin-Secreting CellsRisk FactorsBenzazepines8-Hydroxy-2-(di-n-propylamino)tetralinPyrrolidinesFastingAdenylate CyclaseGluconeogenesisAdrenergic beta-AgonistsEnkephalin, Ala(2)-MePhe(4)-Gly(5)-Adrenergic alpha-AgonistsReceptor, Adenosine A2ACalciumEpinephrineCannabinoidsAdrenergic alpha-1 Receptor AgonistsProglucagonReceptors, OpioidC-PeptideAdenosine-5'-(N-ethylcarboxamide)MuscimolDrug InteractionsRadioligand AssayNaphthalenesGlucagon-Like PeptidesReceptors, SerotoninStreptozocinObesityPancreatic PolypeptideInsulin ResistanceSerotoninCholinergic AgonistsEnkephalin, D-Penicillamine (2,5)-KineticsPurinergic P1 Receptor Antagonists