2021
Treatment of Primary Aldosteronism Increases Plasma Epoxyeicosatrienoic Acids
Luther JM, Wei DS, Ghoshal K, Peng D, Adler GK, Turcu AF, Nian H, Yu C, Solorzano CC, Pozzi A, Brown NJ. Treatment of Primary Aldosteronism Increases Plasma Epoxyeicosatrienoic Acids. Hypertension 2021, 77: 1323-1331. PMID: 33583202, PMCID: PMC8320355, DOI: 10.1161/hypertensionaha.120.14808.Peer-Reviewed Original Research
2014
Arg287Gln variant of EPHX2 and epoxyeicosatrienoic acids are associated with insulin sensitivity in humans
Ramirez CE, Shuey MM, Milne GL, Gilbert K, Hui N, Yu C, Luther JM, Brown NJ. Arg287Gln variant of EPHX2 and epoxyeicosatrienoic acids are associated with insulin sensitivity in humans. Prostaglandins And Other Lipid Mediators 2014, 113: 38-44. PMID: 25173047, PMCID: PMC4253976, DOI: 10.1016/j.prostaglandins.2014.08.001.Peer-Reviewed Original ResearchConceptsInsulin sensitivity indexEpoxyeicosatrienoic acidsInsulin sensitivityHigher insulin sensitivity indexPlasma epoxyeicosatrienoic acidsGlucose-stimulated insulin secretionBody mass indexArg/ArgSoluble epoxide hydrolase activitySoluble epoxide hydrolaseMetabolic syndromeMass indexDisposition indexInsulin resistanceHyperglycemic clampInsulin secretionSensitivity indexEpoxide hydrolase activityEPHX2Hydrolase activitySecretionPhenotyping studiesMetabolic phenotyping studiesEpoxide hydrolaseGenetic variantsDietary Sodium Restriction Decreases Insulin Secretion Without Affecting Insulin Sensitivity in Humans
Luther JM, Byrne LM, Yu C, Wang TJ, Brown NJ. Dietary Sodium Restriction Decreases Insulin Secretion Without Affecting Insulin Sensitivity in Humans. The Journal Of Clinical Endocrinology & Metabolism 2014, 99: e1895-e1902. PMID: 25029426, PMCID: PMC4184066, DOI: 10.1210/jc.2014-2122.Peer-Reviewed Original ResearchConceptsHigh sodium dietHigh sodium intakeInsulin sensitivity indexSodium intakeInsulin secretionAldosterone systemAldosterone infusionInsulin sensitivityAcademic clinical research centerAcute insulin secretory responseLow dietary sodium intakeDecrease insulin secretionC-peptide responsePlasma renin activityDietary sodium intakeLow sodium dietSystolic blood pressureClinical Research CenterInsulin secretory responseAcute insulin responseHigh-risk individualsImpairs insulin secretionGlucose-stimulated insulinIncident diabetesNormotensive volunteers
2011
Aldosterone decreases glucose-stimulated insulin secretion in vivo in mice and in murine islets
Luther JM, Luo P, Kreger MT, Brissova M, Dai C, Whitfield TT, Kim HS, Wasserman DH, Powers AC, Brown NJ. Aldosterone decreases glucose-stimulated insulin secretion in vivo in mice and in murine islets. Diabetologia 2011, 54: 2152-2163. PMID: 21519965, PMCID: PMC3216479, DOI: 10.1007/s00125-011-2158-9.Peer-Reviewed Original ResearchConceptsWild-type miceGlucose-stimulated insulin secretionHigh sodium intakeEffects of aldosteroneInsulin secretionSodium intakeHyperglycaemic clampInsulin sensitivityEuglycaemic–hyperinsulinaemic clamp studiesSuperoxide dismutase mimetic tempolRelative aldosterone excessMineralocorticoid receptor antagonismDismutase mimetic tempolMineralocorticoid receptor antagonistsC-peptide concentrationsOnset of diabetesConclusions/interpretationWeMIN6 beta-cell lineBeta-cell lineAldosterone excessRenin activityGlucose intoleranceAldosterone deficiencyAngiotensin IIReceptor antagonism