2015
Cardiac β-Adrenoceptor Expression Is Reduced in Zucker Diabetic Fatty Rats as Type-2 Diabetes Progresses
Haley JM, Thackeray JT, Thorn SL, DaSilva JN. Cardiac β-Adrenoceptor Expression Is Reduced in Zucker Diabetic Fatty Rats as Type-2 Diabetes Progresses. PLOS ONE 2015, 10: e0127581. PMID: 25996498, PMCID: PMC4440709, DOI: 10.1371/journal.pone.0127581.Peer-Reviewed Original ResearchConceptsZucker diabetic fattyΒ-AR expressionWeeks of ageΒ2-AR expressionΒ-adrenoceptor expressionZDF ratsΒ3-ARFree fatty acidsType 2 diabetic Zucker diabetic fattyType 2 diabetic ZDF ratsDiabetic Zucker diabetic fattyZucker diabetic fatty ratsType 2 diabetes progressesType 2 diabetes modelWestern blottingCardiac β-ARΒ1-AR expressionDiabetic fatty ratsDiabetic ZDF ratsType 2 diabetesModel of hyperglycemiaΒ-AR subtypesBrown adipose tissueDiastolic functionSystolic functionInsulin therapy normalizes reduced myocardial β-adrenoceptors at both the onset and after sustained hyperglycemia in diabetic rats
Haley JM, Thackeray JT, Kolajova M, Thorn SL, DaSilva JN. Insulin therapy normalizes reduced myocardial β-adrenoceptors at both the onset and after sustained hyperglycemia in diabetic rats. Life Sciences 2015, 132: 101-107. PMID: 25934520, DOI: 10.1016/j.lfs.2015.03.024.Peer-Reviewed Original ResearchConceptsCardiac β-ARPositron emission tomographyΒ-ARHeart rateInsulin therapyDiabetes mellitusΒ-adrenoceptorsCV functionWestern blottingInsulin effectDuration of hyperglycemiaMyocardial β-adrenoceptorsΒ-AR expressionOnset of hyperglycemiaWeeks of hyperglycemiaCardiac β-adrenoceptorsΒ-AR subtypesReduced heart rateMyocardial β-ARsGlycemic therapyStreptozotocin ratsSerial echocardiographySTZ ratsGlycemic controlCardiovascular dysfunction
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