1996
Time course of the defective α-cell response to hypoglycemia in diabetic BB rats
Jacob R, Dziura J, Morgen J, Shulman G, Sherwin R. Time course of the defective α-cell response to hypoglycemia in diabetic BB rats. Metabolism 1996, 45: 1422-1426. PMID: 8931649, DOI: 10.1016/s0026-0495(96)90125-0.Peer-Reviewed Original ResearchConceptsInsulin-dependent diabetes mellitusDays of diabetesBB ratsBB/Wor ratsNondiabetic BB ratsΑ-cell responseDiabetic BB ratsCourse of diabetesPancreatic glucagon levelsPancreatic glucagon contentBeta-cell functionPancreatic insulin contentHypoglycemic challengeCounterregulatory responsesDiabetes onsetDiabetes mellitusGlucagon levelsGlucagon releasePlasma glucagonGlucagon concentrationsInsulin clampGlucagon contentBaseline plasmaDisease onsetGroup 2
1995
Local Ventromedial Hypothalamus Glucopenia Triggers Counterregulatory Hormone Release
Borg W, Sherwin R, During M, Borg M, Shulman G. Local Ventromedial Hypothalamus Glucopenia Triggers Counterregulatory Hormone Release. Diabetes 1995, 44: 180-184. PMID: 7859938, DOI: 10.2337/diab.44.2.180.Peer-Reviewed Original ResearchConceptsVentromedial hypothalamusFrontal lobeMicrodialysis probeCounterregulatory hormone releaseCellular glucopeniaCounterregulatory hormonesCounterregulatory responsesPlasma glucagonPlasma glucoseLocal perfusionHormone releaseCerebral tissueStriking elevationControl groupGlucopeniaBrain tissueGlucopenic agentHypoglycemiaRatsTwofold increaseLobeTissueNorepinephrineHypothalamusEpinephrine
1993
Inhibitory Effect of Pregnancy on Counterregulatory Hormone Responses to Hypoglycemia in Awake Rat
Rossi G, Lapaczewski P, Diamond M, Jacob R, Shulman G, Sherwin R. Inhibitory Effect of Pregnancy on Counterregulatory Hormone Responses to Hypoglycemia in Awake Rat. Diabetes 1993, 42: 1440-1445. PMID: 8375583, DOI: 10.2337/diab.42.10.1440.Peer-Reviewed Original ResearchConceptsPregnant ratsGlucagon responseNonpregnant controlsAwake pregnant ratsCounterregulatory hormone responsesIntensive insulin treatmentRelease of epinephrineHypoglycemia risk factorsHypoglycemic clamp studiesDiabetic pregnanciesGlucose counterregulationMaternal hypoglycemiaHypoglycemic stimulusEpinephrine releaseEpinephrine levelsMild hypoglycemiaBrisk responseNonfasting stateRisk factorsAwake ratsInsulin treatmentKetone levelsClamp studiesGlucose levelsNonfasted state