2016
Effects of an endothelin receptor antagonist, Macitentan, on right ventricular substrate utilization and function in a Sugen 5416/hypoxia rat model of severe pulmonary arterial hypertension
Drozd K, Ahmadi A, Deng Y, Jiang B, Petryk J, Thorn S, Stewart D, Beanlands R, deKemp RA, DaSilva JN, Mielniczuk LM. Effects of an endothelin receptor antagonist, Macitentan, on right ventricular substrate utilization and function in a Sugen 5416/hypoxia rat model of severe pulmonary arterial hypertension. Journal Of Nuclear Cardiology 2016, 24: 1979-1989. PMID: 27688036, DOI: 10.1007/s12350-016-0663-4.Peer-Reviewed Original ResearchConceptsPulmonary arterial hypertensionRV FDG uptakePositron emission tomographyFDG uptakeFTHA uptakeFatty acid metabolismArterial hypertensionRV functionMacitentan treatmentRat modelSevere pulmonary arterial hypertensionWeek 5Effect of macitentanImproved RV functionRV systolic pressureWeeks of hypoxiaEndothelin receptor antagonistsRV ejection fractionHypoxia rat modelSingle subcutaneous injectionMale Sprague-DawleyAcid metabolismMyocardial energy metabolismPAH severitySugen 5416
2010
Alterations of pre- and postsynaptic noradrenergic signaling in a rat model of adriamycin-induced cardiotoxicity
Kenk M, Thackeray JT, Thorn SL, Dhami K, Chow BJ, Ascah KJ, DaSilva JN, Beanlands RS. Alterations of pre- and postsynaptic noradrenergic signaling in a rat model of adriamycin-induced cardiotoxicity. Journal Of Nuclear Cardiology 2010, 17: 254-263. PMID: 20182926, DOI: 10.1007/s12350-009-9190-x.Peer-Reviewed Original ResearchConceptsPositron emission tomographyRat modelNoradrenergic signalingHeart/body weight ratioBeta-adrenergic receptor antagonistMyocardial noradrenaline levelsSympathetic nervous systemBody weight ratioPhosphodiesterase 4 inhibitorBeta-adrenergic receptorsVentricle free wallAnthracycline chemotherapeutic agentDesipramine treatmentNoradrenaline levelsNoradrenaline uptakeAnthracycline cardiotoxicityReceptor antagonistAcute increaseCardiac functionRight ventricleLeft atriumInteraction of preAdriamycin cardiotoxicityFree wallNervous system