2020
Association of a glucagon‐like peptide‐1 receptor gene variant with glucose response to a mixed meal
Mashayekhi M, Wilson JR, Jafarian‐Kerman S, Nian H, Yu C, Shuey MM, Luther JM, Brown NJ. Association of a glucagon‐like peptide‐1 receptor gene variant with glucose response to a mixed meal. Diabetes Obesity And Metabolism 2020, 23: 281-286. PMID: 33001556, PMCID: PMC8142152, DOI: 10.1111/dom.14216.Peer-Reviewed Original ResearchConceptsGlucagon-like peptide-1Endogenous glucagon-like peptide-1DPP-4 inhibitor sitagliptinDipeptidyl peptidase-4 inhibitorsType 2 diabetes mellitusIntact GLP-1 levelsMixed-meal studyGLP-1 levelsPostprandial glucose excursionsPeptidase-4 inhibitorsDPP-4 inhibitionMetabolic responseGLP-1 receptorReceptor gene variantsSitagliptin treatmentDiabetes mellitusMeal studyPostprandial glucoseInhibitor sitagliptinGlucose excursionsMixed mealPeptide-1Glucose responseGenotype groupsGene variants
2019
Sitagliptin Decreases Visceral Fat and Blood Glucose in Women With Polycystic Ovarian Syndrome
Devin JK, Nian H, Celedonio JE, Wright P, Brown NJ. Sitagliptin Decreases Visceral Fat and Blood Glucose in Women With Polycystic Ovarian Syndrome. The Journal Of Clinical Endocrinology & Metabolism 2019, 105: dgz028. PMID: 31529097, PMCID: PMC7947776, DOI: 10.1210/clinem/dgz028.Peer-Reviewed Original ResearchMeSH KeywordsAdolescentAdultBiomarkersBlood GlucoseCross-Over StudiesDipeptidyl Peptidase 4Dipeptidyl-Peptidase IV InhibitorsDouble-Blind MethodFemaleFollow-Up StudiesGlucose Tolerance TestHuman Growth HormoneHumansIntra-Abdominal FatMiddle AgedPolycystic Ovary SyndromePrognosisSitagliptin PhosphateYoung AdultConceptsOral glucose tolerance testPolycystic ovarian syndromeVisceral adiposityVascular functionGrowth hormoneOvarian syndromeGH secretionGlucagon-like peptide-1Increased visceral adiposityMaximal glucose responseOvernight GH secretionOvernight growth hormoneEarly insulin secretionGlucose tolerance testVenous samplingCrossover studyVisceral fatCrossover treatmentTolerance testBlood glucoseDPP4 inhibitionInsulin secretionPeak glucoseGlucose levelsPeptide-1Dipeptidyl Peptidase 4 Inhibition Increases Postprandial Norepinephrine via Substance P (NK1 Receptor) During RAAS Inhibition
Wilson JR, Kerman SJ, Hubers SA, Yu C, Nian H, Grouzmann E, Eugster PJ, Mayfield DS, Brown NJ. Dipeptidyl Peptidase 4 Inhibition Increases Postprandial Norepinephrine via Substance P (NK1 Receptor) During RAAS Inhibition. Journal Of The Endocrine Society 2019, 3: 1784-1798. PMID: 31528826, PMCID: PMC6734191, DOI: 10.1210/js.2019-00185.Peer-Reviewed Original ResearchPostprandial blood pressureDPP4 inhibitionNPY 1Blood pressureHeart failureACE inhibitionSubstance PVasoactive peptidesPostprandial glucagon-like peptide-1Substance P receptor blockadeDipeptidyl peptidase-4 inhibitorsGlucagon-like peptide-1Mixed-meal studyAngiotensin receptor blockersDouble-blind treatmentPeptidase-4 inhibitorsType 2 diabetesReceptor-dependent mechanismAntihypertensive groupNPY 3Y1 agonistRAAS inhibitionReceptor blockersReceptor blockadeACE inhibitors
2014
Dipeptidyl‐Peptidase 4 Inhibition and the Vascular Effects of Glucagon‐like Peptide‐1 and Brain Natriuretic Peptide in the Human Forearm
Devin JK, Pretorius M, Nian H, Yu C, Billings FT, Brown NJ. Dipeptidyl‐Peptidase 4 Inhibition and the Vascular Effects of Glucagon‐like Peptide‐1 and Brain Natriuretic Peptide in the Human Forearm. Journal Of The American Heart Association 2014, 3: e001075. PMID: 25158865, PMCID: PMC4310400, DOI: 10.1161/jaha.114.001075.Peer-Reviewed Original ResearchConceptsGlucagon-like peptide-1Brain natriuretic peptideForearm blood flowNatriuretic peptideDPP4 inhibitionBlood flowPeptide-1Placebo-controlled crossover studyDipeptidyl peptidase-4 inhibitorsDipeptidyl peptidase-4 inhibitionForearm vascular resistanceDose-dependent vasodilationMean arterial pressureGLP-1 concentrationsHuman forearmSitagliptin useDirect vasodilatorVascular resistanceVasodilator responseVascular effectsArterial pressureBrachial arteryDiabetes mellitusGlycemic controlNorepinephrine release
2012
Cardiovascular effects of antidiabetic agents: focus on blood pressure effects of incretin-based therapies
Brown NJ. Cardiovascular effects of antidiabetic agents: focus on blood pressure effects of incretin-based therapies. International Journal Of Cardiology Cardiovascular Risk And Prevention 2012, 6: 163-168. PMID: 22433315, PMCID: PMC3422131, DOI: 10.1016/j.jash.2012.02.003.Peer-Reviewed Original ResearchConceptsGlucagon-like peptide-1Cardiovascular eventsDipeptidyl peptidase IV inhibitorsAntidiabetic agentsPeptidase IV inhibitorsBlood pressureClinical trialsPeptide-1Animal modelsType 2 diabetes mellitusIncretin-based agentsBlood pressure effectsIncretin-based therapiesIV inhibitorsLarge clinical trialsFavorable effectIschemia/reperfusionTight glucose controlOverweight diabeticsCardiovascular effectsCardiovascular riskDiabetes mellitusIntensive therapyGlucose controlThiazolidinedione rosiglitazone