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
2006
In vivo selective binding of (R)-[11C]rolipram to phosphodiesterase-4 provides the basis for studying intracellular cAMP signaling in the myocardium and other peripheral tissues
Kenk M, Greene M, Thackeray J, deKemp RA, Lortie M, Thorn S, Beanlands RS, DaSilva JN. In vivo selective binding of (R)-[11C]rolipram to phosphodiesterase-4 provides the basis for studying intracellular cAMP signaling in the myocardium and other peripheral tissues. Nuclear Medicine And Biology 2006, 34: 71-77. PMID: 17210463, DOI: 10.1016/j.nucmedbio.2006.10.002.Peer-Reviewed Original ResearchMeSH Keywords3',5'-Cyclic-AMP PhosphodiesterasesAnimalsBrainCarbon RadioisotopesCyclic AMPCyclic Nucleotide Phosphodiesterases, Type 1Cyclic Nucleotide Phosphodiesterases, Type 4HeartMaleMetabolic Clearance RateMyocardiumOrgan SpecificityPhosphodiesterase InhibitorsProtein BindingRadionuclide ImagingRadiopharmaceuticalsRatsRats, Sprague-DawleyRolipramSensitivity and SpecificityTissue DistributionConceptsPhosphodiesterase 4BAY 60Ro 20Male Sprague-Dawley ratsIntracellular cAMPSprague-Dawley ratsNeurohormonal modulationPeripheral tissuesAutoradiography studiesAdipose tissuePDE4 levelsTracer uptakeVivo findingsCAMP-mediated signalingBiodistribution studiesPDE4 activityRolipramSkeletal muscleCAMP levelsTracer retentionCardiac regionCilostazolMyocardiumZaprinastTissue