2013
NO triggers RGS4 degradation to coordinate angiogenesis and cardiomyocyte growth
Jaba IM, Zhuang ZW, Li N, Jiang Y, Martin KA, Sinusas AJ, Papademetris X, Simons M, Sessa WC, Young LH, Tirziu D. NO triggers RGS4 degradation to coordinate angiogenesis and cardiomyocyte growth. Journal Of Clinical Investigation 2013, 123: 1718-1731. PMID: 23454748, PMCID: PMC3613910, DOI: 10.1172/jci65112.Peer-Reviewed Original ResearchMeSH KeywordsAdaptation, BiologicalAnimalsCell EnlargementCells, CulturedCoronary VesselsEndothelium, VascularHeart VentriclesMechanistic Target of Rapamycin Complex 1MiceMice, Inbred C57BLMice, TransgenicMultiprotein ComplexesMyocytes, CardiacNeovascularization, PhysiologicNG-Nitroarginine Methyl EsterNitric OxideNitric Oxide SynthasePlacenta Growth FactorPregnancy ProteinsProteinsProteolysisProto-Oncogene Proteins c-aktRatsRats, Sprague-DawleyRGS ProteinsSignal TransductionTOR Serine-Threonine KinasesConceptsCardiomyocyte growthAkt/mTORC1 signalingNovel NO-dependent mechanismProteasomal degradationCoordination of angiogenesisMTORC1 signalingConditional overexpressionMurine cardiac tissueG proteinsTransgenic expressionAkt/Physiological mechanismsMyocyte growthVessel growthGrowth factorTransgenic miceHypertrophic responseAngiogenesisKnockout miceMyocardial hypertrophyExpressionGrowthCardiac hypertrophyNOS inhibitor L-NAMEInduction
2010
Risk stratification in diabetes: Not all patients or perfusion defects are the same
Young LH. Risk stratification in diabetes: Not all patients or perfusion defects are the same. Journal Of Nuclear Cardiology 2010, 17: 990-992. PMID: 21042899, DOI: 10.1007/s12350-010-9306-3.Commentaries, Editorials and Letters
2006
Activation of AMPK α- and γ-isoform complexes in the intact ischemic rat heart
Li J, Coven DL, Miller EJ, Hu X, Young ME, Carling D, Sinusas AJ, Young LH. Activation of AMPK α- and γ-isoform complexes in the intact ischemic rat heart. AJP Heart And Circulatory Physiology 2006, 291: h1927-h1934. PMID: 16648175, DOI: 10.1152/ajpheart.00251.2006.Peer-Reviewed Original ResearchConceptsAMPK activityAMPK complexAlpha subunit activationDifferent subunit isoformsSerine-threonine kinaseCellular metabolic processesGamma subunit isoformsRegulatory betaAlpha-subunit contentHeterotrimeric complexProtein kinaseAMPK αMultiple isoformsKinase activitySubunit isoformsMetabolic processesAMPK phosphorylationAMPKIsoformsPhysiological regulationKinaseMutationsComplexesKey rolePathophysiological importance