2009
JAK2 and SHP2 Reciprocally Regulate Tyrosine Phosphorylation and Stability of Proapoptotic Protein ASK1*
Yu L, Min W, He Y, Qin L, Zhang H, Bennett AM, Chen H. JAK2 and SHP2 Reciprocally Regulate Tyrosine Phosphorylation and Stability of Proapoptotic Protein ASK1*. Journal Of Biological Chemistry 2009, 284: 13481-13488. PMID: 19287004, PMCID: PMC2679448, DOI: 10.1074/jbc.m809740200.Peer-Reviewed Original ResearchMeSH KeywordsAnimalsApoptosisCell LineEndothelial CellsEnzyme StabilityHumansInterferon-gammaJanus Kinase 2MAP Kinase Kinase Kinase 5MiceMice, KnockoutMultienzyme ComplexesMutationPhosphorylationProtein Tyrosine Phosphatase, Non-Receptor Type 11Signal TransductionSuppressor of Cytokine Signaling 1 ProteinSuppressor of Cytokine Signaling ProteinsTumor Necrosis Factor-alphaConceptsTyrosine phosphorylationSubstrate-trapping mutantProtein tyrosine phosphatase 2Phosphatase-inactive mutantProteasomal inhibitor MG132ASK1-JNK signalingEndothelial cellsJAK2-specific inhibitorIFN-gamma-induced tyrosine phosphorylationASK1 degradationASK1 dephosphorylationInactive mutantMouse endothelial cellsASK1 phosphorylationPhosphatase 2Inhibitor MG132SHP2Wild typeASK1DephosphorylationMutantsPhosphorylationEnhanced associationJAK2EC apoptosis
2008
AIP1 Recruits Phosphatase PP2A to ASK1 in Tumor Necrosis Factor–Induced ASK1-JNK Activation
Min W, Lin Y, Tang S, Yu L, Zhang H, Wan T, Luhn T, Fu H, Chen H. AIP1 Recruits Phosphatase PP2A to ASK1 in Tumor Necrosis Factor–Induced ASK1-JNK Activation. Circulation Research 2008, 102: 840-848. PMID: 18292600, DOI: 10.1161/circresaha.107.168153.Peer-Reviewed Original ResearchConceptsASK1-JNK signalingASK1 dephosphorylationAssociation of PP2APP2A catalytic subunitCatalytic inactive formPP2A inhibitor okadaicASK1-JNK activationC-Jun N-terminal kinaseActivation of JNKEndothelial cellsN-terminal kinasePhosphatase PP2ACritical rolePotential phosphataseProtein phosphataseGAP domainInhibitor okadaicProtein familyCatalytic subunitC2 domainPP2AAIP1Novel memberApoptotic signalingRNA knockdown