2010
Increased blood flow induces oxidative stress through an endothelium- and nitric oxide-independent mechanism
Fong P, Stafforini DM, Brown NJ, Pretorius M. Increased blood flow induces oxidative stress through an endothelium- and nitric oxide-independent mechanism. Free Radical Biology And Medicine 2010, 49: 301-305. PMID: 20423727, PMCID: PMC2916026, DOI: 10.1016/j.freeradbiomed.2010.04.023.Peer-Reviewed Original ResearchConceptsForearm blood flowHypertensive subjectsL-NMMAIsoprostane releaseBlood flowOxidative stressBasal forearm blood flowNitric oxide-independent mechanismEndothelium-independent mechanismNO synthase inhibitorEffect of bradykininMonomethyl-L-arginineIntraarterial bradykininPotent vasodilatorSynthase inhibitionSynthase inhibitorBradykininNitric oxideDependent mechanismReactive oxygen speciesHuman vasculatureSignificant increaseNitroprussideSubjectsOxygen species
2009
Endogenous Nitric Oxide Contributes to Bradykinin-Stimulated Glucose Uptake but Attenuates Vascular Tissue-Type Plasminogen Activator Release
Pretorius M, Brown NJ. Endogenous Nitric Oxide Contributes to Bradykinin-Stimulated Glucose Uptake but Attenuates Vascular Tissue-Type Plasminogen Activator Release. Journal Of Pharmacology And Experimental Therapeutics 2009, 332: 291-297. PMID: 19841473, PMCID: PMC2802470, DOI: 10.1124/jpet.109.160168.Peer-Reviewed Original ResearchConceptsT-PA releaseNet t-PA releaseForearm blood flowTissue-type plasminogen activator releaseL-NMMANitric oxide synthasePlasminogen activator releaseGlucose uptakeActivator releaseBaseline forearm blood flowBaseline forearm vascular resistanceArterial-venous gradientEndogenous NO contributesForearm vascular resistanceNitric oxide contributesIntra-arterial bradykininMonomethyl-L-arginineMuscle glucose uptakeCyclooxygenase inhibitor aspirinEndogenous nitric oxide contributesGender-stratified analysesVascular resistanceNondiabetic subjectsNOS inhibitionFibrinolytic response
2004
Relationship Between Carbamoyl-Phosphate Synthetase Genotype and Systemic Vascular Function
Summar ML, Gainer JV, Pretorius M, Malave H, Harris S, Hall LD, Weisberg A, Vaughan DE, Christman BW, Brown NJ. Relationship Between Carbamoyl-Phosphate Synthetase Genotype and Systemic Vascular Function. Hypertension 2004, 43: 186-191. PMID: 14718356, DOI: 10.1161/01.hyp.0000112424.06921.52.Peer-Reviewed Original ResearchConceptsForearm blood flowNitric oxide metabolite concentrationsNitric oxide metabolitesBlood flowOxide metabolitesNitric oxide-mediated vasodilationVascular smooth muscle reactivityAllele homozygotesTissue-type plasminogen activator antigenSystemic vascular functionSmooth muscle reactivityPlasminogen activator antigenC allele homozygotesNitric oxide productionMetabolite concentrationsVasodilator responseBrachial arteryMuscle reactivityVascular functionHealthy subjectsBlood samplesSodium nitroprussideC alleleOxide productionCarbamoyl phosphate synthetase 1