2023
An optogenetic-phosphoproteomic study reveals dynamic Akt1 signaling profiles in endothelial cells
Zhou W, Li W, Wang S, Salovska B, Hu Z, Tao B, Di Y, Punyamurtula U, Turk B, Sessa W, Liu Y. An optogenetic-phosphoproteomic study reveals dynamic Akt1 signaling profiles in endothelial cells. Nature Communications 2023, 14: 3803. PMID: 37365174, PMCID: PMC10293293, DOI: 10.1038/s41467-023-39514-1.Peer-Reviewed Original ResearchMeSH KeywordsEndothelial CellsHumansOptogeneticsPhosphorylationProtein Serine-Threonine KinasesProto-Oncogene Proteins c-aktSignal TransductionConceptsPhosphorylation sitesSerine/threonine kinase AktMass spectrometry-based phosphoproteomicsThreonine kinase AktAkt-dependent phosphorylationAberrant Akt activationEndothelial cellsKinase substrateKinase AktCell signalingPhosphorylation profilePhenotypic outcomesDownstream signalingAkt activationAkt1 phosphorylationHuman diseasesSystem-level analysisAKT1Vascular endothelial cellsRich resourcePhosphorylationSignalingGrowth factorAktCellsPhosphoproteomic analysis of metformin signaling in colorectal cancer cells elucidates mechanism of action and potential therapeutic opportunities
Salovska B, Gao E, Müller‐Dott S, Li W, Cordon C, Wang S, Dugourd A, Rosenberger G, Saez‐Rodriguez J, Liu Y. Phosphoproteomic analysis of metformin signaling in colorectal cancer cells elucidates mechanism of action and potential therapeutic opportunities. Clinical And Translational Medicine 2023, 13: e1179. PMID: 36781298, PMCID: PMC9925373, DOI: 10.1002/ctm2.1179.Peer-Reviewed Original ResearchMeSH KeywordsAntineoplastic AgentsColorectal NeoplasmsDiabetes Mellitus, Type 2HumansMetforminSignal TransductionConceptsColorectal cancerLong-term metformin treatmentType 2 diabetesCRC cell linesColorectal cancer cellsBiguanide drug metforminPotential therapeutic opportunitiesMechanism of actionPharmacodynamic interactionsMetformin treatmentTreatment of cancerCRC cellsCell proliferation assaysClinical trialsBcl-2/Bcl-xL inhibitorMetforminDrug metforminTherapeutic opportunitiesProliferation assaysCancer cellsPotential cancer therapeuticsPotential roleExpression levelsCell linesCancer therapeutics
2020
Global and Site-Specific Effect of Phosphorylation on Protein Turnover
Wu C, Ba Q, Lu D, Li W, Salovska B, Hou P, Mueller T, Rosenberger G, Gao E, Di Y, Zhou H, Fornasiero EF, Liu Y. Global and Site-Specific Effect of Phosphorylation on Protein Turnover. Developmental Cell 2020, 56: 111-124.e6. PMID: 33238149, PMCID: PMC7855865, DOI: 10.1016/j.devcel.2020.10.025.Peer-Reviewed Original ResearchConceptsProtein turnoverProtein lifetimeCyclin-dependent kinase substrateStable isotope-labeled amino acidsSite-specific phosphorylationPulse-labeling approachIsotope-labeled amino acidsMass spectrometry-based methodCell fitnessKinase substratePhosphorylation sitesPhosphorylated sitesProteomic methodsCell signalingSpectrometry-based methodsLive cellsAmino acidsPhosphositesRich resourceDisease biologyLabeling approachPhosphorylationModification typesGlutamic acidTurnover
2018
Radio-sensitizing effects of VE-821 and beyond: Distinct phosphoproteomic and metabolomic changes after ATR inhibition in irradiated MOLT-4 cells
Šalovská B, Janečková H, Fabrik I, Karlíková R, Čecháková L, Ondrej M, Link M, Friedecký D, Tichý A. Radio-sensitizing effects of VE-821 and beyond: Distinct phosphoproteomic and metabolomic changes after ATR inhibition in irradiated MOLT-4 cells. PLOS ONE 2018, 13: e0199349. PMID: 30001349, PMCID: PMC6042708, DOI: 10.1371/journal.pone.0199349.Peer-Reviewed Original ResearchMeSH KeywordsAmino Acid MotifsAtaxia Telangiectasia Mutated ProteinsBinding SitesBiomarkersCell Cycle CheckpointsCell Line, TumorComputational BiologyGamma RaysGene OntologyHumansMetabolomeMetabolomicsPhosphoproteinsPhosphorylationProtein BindingProtein Kinase InhibitorsProteomeProteomicsPyrazinesRadiation ToleranceRadiation-Sensitizing AgentsSignal TransductionSulfonesTOR Serine-Threonine KinasesConceptsVE-821MOLT-4 cellsCellular metabolismOncogene-induced replication stressATR inhibitionATM-deficient cellsDNA damage responseATR/Chk1 pathwayCell biology techniquesDownregulation of mTORAnti-cancer strategyCurrent anti-cancer strategiesReplication stressPhosphorylation sitesDamage responseIrradiation-induced oxidative stressQuantitative proteomicsDNA repairChk1 pathwayCellular eventsBiology techniquesSpecific inhibitorMain regulatorTumor-specific abnormalitiesMTOR inhibition
2013
Radio-sensitization of human leukaemic MOLT-4 cells by DNA-dependent protein kinase inhibitor, NU7441
Tichy A, Durisova K, Salovska B, Pejchal J, Zarybnicka L, Vavrova J, Dye N, Sinkorova Z. Radio-sensitization of human leukaemic MOLT-4 cells by DNA-dependent protein kinase inhibitor, NU7441. Radiation And Environmental Biophysics 2013, 53: 83-92. PMID: 24100951, DOI: 10.1007/s00411-013-0494-5.Peer-Reviewed Original ResearchConceptsDNA-dependent protein kinasePhosphorylation of H2A.XMOLT-4 cellsDNA-dependent protein kinase inhibitorDNA repair signalingProtein kinase inhibitorsAnti-apoptotic Mcl-1Cleavage of PARPHistone H2A.X.Cdc25A phosphataseProtein kinaseRepair signalingMolecular mechanismsNU7441Mcl-1Detection of IRDNA damageSpecific inhibitorPhosphorylationDetection of proteinsH2A.XSubsequent inductionKinase inhibitorsWestern blottingApoptosis