2024
Cell-specific cross-talk proteomics reveals cathepsin B signaling as a driver of glioblastoma malignancy near the subventricular zone
Norton E, Whaley L, Jones V, Brooks M, Russo M, Morderer D, Jessen E, Schiapparelli P, Ramos-Fresnedo A, Zarco N, Carrano A, Rossoll W, Asmann Y, Lam T, Chaichana K, Anastasiadis P, Quiñones-Hinojosa A, Guerrero-Cázares H. Cell-specific cross-talk proteomics reveals cathepsin B signaling as a driver of glioblastoma malignancy near the subventricular zone. Science Advances 2024, 10: eadn1607. PMID: 39110807, PMCID: PMC11305394, DOI: 10.1126/sciadv.adn1607.Peer-Reviewed Original ResearchConceptsBrain tumor-initiating cellsLateral ventricleNeuronal maturationMalignancy-associated phenotypesSubventricular zone contactIncreased expression of cathepsin BMalignant primary brain tumorTumor-initiating cellsAggressive malignant primary brain tumorPrimary brain tumorTumor microenvironment researchExpression of cathepsin BNeural stem/progenitor cellsCathepsin BInduction of senescenceStem/progenitor cellsCell-intrinsicSubventricular zoneCross-talkTherapeutic strategiesBrain tumorsIncreased expressionGBM biologyLentiviral knockdownGlioblastoma
2022
Proteomic profiling reveals an association between ALDH and oxidative phosphorylation and DNA damage repair pathways in human colon adenocarcinoma stem cells
Wang Y, Chen Y, Garcia-Milian R, Golla JP, Charkoftaki G, Lam TT, Thompson DC, Vasiliou V. Proteomic profiling reveals an association between ALDH and oxidative phosphorylation and DNA damage repair pathways in human colon adenocarcinoma stem cells. Chemico-Biological Interactions 2022, 368: 110175. PMID: 36162455, PMCID: PMC9891852, DOI: 10.1016/j.cbi.2022.110175.Peer-Reviewed Original ResearchConceptsCancer stem cellsProteomic profilingOxidative phosphorylationLabel-free quantitative proteomic analysisDNA damage repair pathwaysQuantitative proteomic analysisAldehyde dehydrogenase familyColon cancer stem cellsCOLO320DM cellsStem cellsNucleotide excision repairDamage repair pathwaysIngenuity Pathway AnalysisCell populationsProteomic analysisProteomic datasetsDehydrogenase familyMetabolic switchProteomic studiesRepair pathwaysCellular pathwaysALDH enzymatic activityCellular survivalExcision repairALDH activityIdentification of growth hormone receptor as a relevant target for precision medicine in low‐EGFR expressing glioblastoma
Verreault M, Vilchis I, Rosenberg S, Lemaire N, Schmitt C, Guehennec J, Royer‐Perron L, Thomas J, Lam TT, Dingli F, Loew D, Ducray F, Paris S, Carpentier C, Marie Y, Laigle‐Donadey F, Rousseau A, Pigat N, Boutillon F, Bielle F, Mokhtari K, Frank SJ, de Reyniès A, Hoang‐Xuan K, Sanson M, Goffin V, Idbaih A. Identification of growth hormone receptor as a relevant target for precision medicine in low‐EGFR expressing glioblastoma. Clinical And Translational Medicine 2022, 12: e939. PMID: 35808822, PMCID: PMC9270581, DOI: 10.1002/ctm2.939.Peer-Reviewed Original ResearchMeSH KeywordsBrain NeoplasmsCell Line, TumorErbB ReceptorsGlioblastomaHumansPrecision MedicineReceptors, SomatotropinConceptsEpidermal growth factor receptorGrowth hormone receptorPatient-derived cell linesOncogenic mechanismsGene expression profilesCell linesGain of functionHormone receptorsExpression of proteinsCellular movementGrowth factor receptorHuman GBM samplesExpression profilesCell migrationCommon oncogenic mechanismThird of patientsDistinct molecular subsetsGBM samplesPromoter hypermethylationNew therapeutic approachesFactor receptorCell proliferationPharmacological inhibitionRelevant targetsOverexpression
2019
Integrated multi-omics approach reveals a role of ALDH1A1 in lipid metabolism in human colon cancer cells
Charkoftaki G, Thompson DC, Golla JP, Garcia-Milian R, Lam TT, Engel J, Vasiliou V. Integrated multi-omics approach reveals a role of ALDH1A1 in lipid metabolism in human colon cancer cells. Chemico-Biological Interactions 2019, 304: 88-96. PMID: 30851239, PMCID: PMC7988342, DOI: 10.1016/j.cbi.2019.02.030.Peer-Reviewed Original Research
2017
MELK Promotes Melanoma Growth by Stimulating the NF-κB Pathway
Janostiak R, Rauniyar N, Lam TT, Ou J, Zhu LJ, Green MR, Wajapeyee N. MELK Promotes Melanoma Growth by Stimulating the NF-κB Pathway. Cell Reports 2017, 21: 2829-2841. PMID: 29212029, PMCID: PMC5726781, DOI: 10.1016/j.celrep.2017.11.033.Peer-Reviewed Original ResearchConceptsMaternal embryonic leucine zipper kinaseMelanoma growthSkin cancer-related deathsMelanoma cellsNF-κB pathway activityMAPK pathwayCancer-related deathNF-κB pathwayEmbryonic leucine zipper kinaseLeucine zipper kinaseMELK knockdownCurrent therapiesMELK inhibitionImportant downstream mediatorShort-term benefitsPharmacological inhibitionTranscription factor E2F1Downstream mediatorBRAFV600E inhibitorsSequestosome 1Pathway activityMELK functionMediatorsCell culturesInhibition
2016
O-Glycosylation of a Secretory Granule Membrane Enzyme Is Essential for Its Endocytic Trafficking*
Vishwanatha KS, Bäck N, Lam TT, Mains RE, Eipper BA. O-Glycosylation of a Secretory Granule Membrane Enzyme Is Essential for Its Endocytic Trafficking*. Journal Of Biological Chemistry 2016, 291: 9835-9850. PMID: 26961877, PMCID: PMC4850319, DOI: 10.1074/jbc.m115.711838.Peer-Reviewed Original ResearchConceptsHigh molecular weight complexesPAM-1Molecular weight complexesEndocytic traffickingCytosolic domainBlue native PAGE analysisAtT-20 corticotrope tumor cellsWeight complexesCrucial post-translational modificationPost-translational modificationsO-glycosylation sitesPeptidylglycine αFurin-like convertasesNative PAGE analysisSoluble fragmentCorticotrope tumor cellsAlternative splicingEndocytic pathwayCatalytic domainEndocytic compartmentsGlycosylation sitesO-glycosylationMultivesicular bodiesMembrane enzymeEndoproteolytic cleavage
2013
Palmitoylation of Superoxide Dismutase 1 (SOD1) Is Increased for Familial Amyotrophic Lateral Sclerosis-linked SOD1 Mutants*
Antinone SE, Ghadge GD, Lam TT, Wang L, Roos RP, Green WN. Palmitoylation of Superoxide Dismutase 1 (SOD1) Is Increased for Familial Amyotrophic Lateral Sclerosis-linked SOD1 Mutants*. Journal Of Biological Chemistry 2013, 288: 21606-21617. PMID: 23760509, PMCID: PMC3724620, DOI: 10.1074/jbc.m113.487231.Peer-Reviewed Original ResearchMeSH KeywordsAmyotrophic Lateral SclerosisAnimalsBlotting, WesternCell Line, TumorCell MembraneCysteineDisulfidesHEK293 CellsHumansLipoylationLuminescent ProteinsMass SpectrometryMiceMice, TransgenicMutationNeuronsOxidation-ReductionProtein Processing, Post-TranslationalSpinal CordSuperoxide DismutaseSuperoxide Dismutase-1ConceptsWild-type SOD1Familial amyotrophic lateral sclerosisSuperoxide dismutase 1Copper chaperoneCysteine mutagenesisReversible post-translational modificationAcyl-biotin exchangeDisulfide bondingPost-translational modificationsMass spectrometryWild-type superoxide dismutase 1PalmitoylationSOD1 maturationMotor neuron cell lineProtein structureSOD1 mutantsNeuron cell lineAmyotrophic lateral sclerosisZn-superoxide dismutaseHEK cellsResidues 6ChaperonesCell linesMutagenesisDismutase 1
2012
The Prolyl Isomerase Pin1 Targets Stem-Loop Binding Protein (SLBP) To Dissociate the SLBP-Histone mRNA Complex Linking Histone mRNA Decay with SLBP Ubiquitination
Krishnan N, Lam TT, Fritz A, Rempinski D, O'Loughlin K, Minderman H, Berezney R, Marzluff WF, Thapar R. The Prolyl Isomerase Pin1 Targets Stem-Loop Binding Protein (SLBP) To Dissociate the SLBP-Histone mRNA Complex Linking Histone mRNA Decay with SLBP Ubiquitination. Molecular And Cellular Biology 2012, 32: 4306-4322. PMID: 22907757, PMCID: PMC3486140, DOI: 10.1128/mcb.00382-12.Peer-Reviewed Original ResearchMeSH KeywordsCell CycleCell Line, TumorCell NucleusDown-RegulationHEK293 CellsHeLa CellsHistonesHumansMRNA Cleavage and Polyadenylation FactorsNIMA-Interacting Peptidylprolyl IsomeraseNuclear ProteinsPeptidylprolyl IsomeraseProtein Phosphatase 2RNA InterferenceRNA StabilityRNA, MessengerRNA, Small InterferingRNA-Binding ProteinsUbiquitinationConceptsStem-loop binding proteinHistone mRNADegradation of SLBPMRNA stabilityBinding proteinHistone mRNA stabilityRNA degradation machineryHistone mRNA decayS phaseProtein phosphatase 2AHistone mRNA degradationCore histone mRNAsExosome-mediated degradationDownregulation of Pin1Ubiquitin-proteasome systemMRNA 3' endsProlyl isomerase Pin1Phosphatase 2ADegradation machineryMRNA decayMRNA degradationProteasome systemIsomerase Pin1MRNA complexesUntranslated region