2003
Local Lactate Perfusion of the Ventromedial Hypothalamus Suppresses Hypoglycemic Counterregulation
Borg MA, Tamborlane WV, Shulman GI, Sherwin RS. Local Lactate Perfusion of the Ventromedial Hypothalamus Suppresses Hypoglycemic Counterregulation. Diabetes 2003, 52: 663-666. PMID: 12606506, DOI: 10.2337/diabetes.52.3.663.Peer-Reviewed Original ResearchConceptsCounterregulatory hormone responsesVentromedial hypothalamusHormone responseSprague-Dawley ratsGlucose-sensing mechanismHypoglycemic counterregulationSystemic hypoglycemiaHormonal suppressionLactate perfusionApproximate fourfold increaseGlucose metabolismMicrodialysis perfusionGlucose perfusionHormonal responsesHypoglycemic plateauHypoglycemiaPerfusionL-lactateExogenous glucoseFourfold increaseGlucoseLactate
1997
Local ventromedial hypothalamus glucose perfusion blocks counterregulation during systemic hypoglycemia in awake rats.
Borg MA, Sherwin RS, Borg WP, Tamborlane WV, Shulman GI. Local ventromedial hypothalamus glucose perfusion blocks counterregulation during systemic hypoglycemia in awake rats. Journal Of Clinical Investigation 1997, 99: 361-365. PMID: 9006005, PMCID: PMC507804, DOI: 10.1172/jci119165.Peer-Reviewed Original ResearchConceptsVentromedial hypothalamic nucleusMM D-glucoseControl groupGlucose perfusionHypoglycemic counterregulationSystemic hypoglycemiaNorepinephrine releaseGlucagon secretionCatecholamine concentrationsHypothalamic nucleiAwake ratsHormonal secretionControl animalsHypoglycemiaHormonal responsesPerfusionL glucoseCounterregulationD-glucoseGlucagonRatsSecretionGlucoseAnimalsGlucopenia
1991
SUPPRESSION OF COUNTERREGULATORY HORMONE RESPONSE TO HYPOGLYCEMIA BY INSULIN PER SE
DIAMOND M, HALLARMAN L, STARICK-ZYCH K, JONES T, CONNOLLY-HOWARD M, TAMBORLANE W, SHERWIN R. SUPPRESSION OF COUNTERREGULATORY HORMONE RESPONSE TO HYPOGLYCEMIA BY INSULIN PER SE. The Journal Of Clinical Endocrinology & Metabolism 1991, 72: 1388-1390. PMID: 2026760, DOI: 10.1210/jcem-72-6-1388.Peer-Reviewed Original ResearchConceptsCounterregulatory hormone responsesHormone responseGlucose levelsNormal subjectsCounterregulatory hormone levelsResponses of epinephrineVariable glucose infusionDegree of hyperinsulinemiaHigh-dose studiesHypoglycemic clamp studiesHypoglycemic counterregulationHypoglycemic stimulusInsulin doseExogenous insulinDose studyHormone levelsGlucose infusionClamp studiesHypoglycemiaGrowth hormoneHypoglycemic plateauInsulinModulating effectOnly variableHyperinsulinemiaOpiate blockade enhances hypoglycemic counterregulation in normal and insulin-dependent diabetic subjects
Caprio S, Gerety G, Tamborlane WV, Jones T, Diamond M, Jacob R, Sherwin RS. Opiate blockade enhances hypoglycemic counterregulation in normal and insulin-dependent diabetic subjects. American Journal Of Physiology 1991, 260: e852-e858. PMID: 2058661, DOI: 10.1152/ajpendo.1991.260.6.e852.Peer-Reviewed Original ResearchConceptsInsulin-induced hypoglycemiaGlucose counterregulationIDDM patientsGlucose productionOpiate blockadeHormonal responsesInsulin-dependent diabetic subjectsCounterregulatory hormone releaseDefective glucose counterregulationInsulin clamp studiesAbsence of hypoglycemiaInsulin-dependent patientsVariable glucose infusionDefective counterregulationHypoglycemic counterregulationNaloxone studyGlucagon responseDiabetic subjectsEndogenous opiatesGlucoregulatory hormonesGlucoregulatory responsesHormone releaseGlucose infusionHealthy subjectsCortisol release