2024
Vascular mimicry as a facilitator of melanoma brain metastasis
Provance O, Oria V, Tran T, Caulfield J, Zito C, Aguirre-Ducler A, Schalper K, Kluger H, Jilaveanu L. Vascular mimicry as a facilitator of melanoma brain metastasis. Cellular And Molecular Life Sciences 2024, 81: 188. PMID: 38635031, PMCID: PMC11026261, DOI: 10.1007/s00018-024-05217-z.Peer-Reviewed Original ResearchConceptsVascular mimicryBrain metastasesMouse model of metastatic melanomaIncreased risk of metastasisAssociated with tumor volumeMelanoma brain metastasesRisk of metastasisSurvival of miceFuture treatment regimensCell line modelsTumor suppressor pathwayMetastatic melanomaTumor volumeSolid tumorsTreatment regimensTumor typesPoor prognosisHippo tumor suppressor pathwayIncreased riskMouse modelDownstream targets YAPMelanomaMetastasisSuppressor pathwayTumor
2021
Clinical Significance of PDCD4 in Melanoma by Subcellular Expression and in Tumor-Associated Immune Cells
Tran TT, Rane CK, Zito CR, Weiss SA, Jessel S, Lucca L, Lu BY, Oria VO, Adeniran A, Chiang VL, Omay SB, Hafler DA, Kluger HM, Jilaveanu LB. Clinical Significance of PDCD4 in Melanoma by Subcellular Expression and in Tumor-Associated Immune Cells. Cancers 2021, 13: 1049. PMID: 33801444, PMCID: PMC7958624, DOI: 10.3390/cancers13051049.Peer-Reviewed Original ResearchPDCD4 expressionImproved survivalTumor-Associated Immune CellsTumor microenvironmentNeoplastic progressionBrain metastasis outcomesExtracranial metastatic diseaseMelanoma brain metastasesNatural killer cellsBrain metastasis samplesImmune cell infiltrationImmune cell subsetsMultiple tissue microarraysExpression of PDCD4Brain metastasesMetastatic diseaseClinical outcomesKiller cellsClinicopathological variablesIntracranial metastasesCell subsetsCell infiltrationCell death 4Immune cellsPrimary melanoma
2020
Melanoma brain metastases have lower T-cell content and microvessel density compared to matched extracranial metastases
Weiss SA, Zito C, Tran T, Heishima K, Neumeister V, McGuire J, Adeniran A, Kluger H, Jilaveanu LB. Melanoma brain metastases have lower T-cell content and microvessel density compared to matched extracranial metastases. Journal Of Neuro-Oncology 2020, 152: 15-25. PMID: 32974852, PMCID: PMC7910371, DOI: 10.1007/s11060-020-03619-0.Peer-Reviewed Original ResearchConceptsT-cell contentMelanoma brain metastasesPD-L1 expressionLower microvessel densityMicrovessel densityBrain metastasesExtracranial metastasesMacrophage contentB cellsProspective therapeutic clinical trialsTumor-infiltrating T cellsImmune-modulating drugsImmune cell subsetsTherapeutic clinical trialsExtracerebral metastasesHigh CD68Low CD3Low CD8Systemic therapyIntracerebral metastasesMetastatic sitesCell subsetsMetastatic melanomaImmune cellsClinical trials19. PLEKHA5 REGULATES TUMOR GROWTH IN METASTATIC MELANOMA
Oria V, Zhang H, Zhu H, Deng G, Zito C, Rane C, Zhang S, Weiss S, Tran T, Adeniran A, Zhang F, Zhou J, Kluger Y, Bosenberg M, Kluger H, Jilaveanu L. 19. PLEKHA5 REGULATES TUMOR GROWTH IN METASTATIC MELANOMA. Neuro-Oncology Advances 2020, 2: ii3-ii3. PMCID: PMC7401364, DOI: 10.1093/noajnl/vdaa073.009.Peer-Reviewed Original ResearchMelanoma brain metastasesBrain metastasesTumor growthPI3K/Akt/mTORCell cycle transitionAkt/mTORGrowth of tumorsS cell cycle transitionPhosphorylation of AktMelanoma patientsPoor prognosisNovel drug targetsPatient populationRegulation of PDCD4Metastatic melanomaUnique cohortXenograft modelClinical relevanceNude miceMetastasisCycle transitionMelanomaBrain developmentKey mediatorMelanoma cells
2019
PLEKHA5 regulates tumor growth in metastatic melanoma
Zhang H, Zhu H, Deng G, Zito CR, Oria VO, Rane CK, Zhang S, Weiss SA, Tran T, Adeniran A, Zhang F, Zhou J, Kluger Y, Bosenberg MW, Kluger HM, Jilaveanu LB. PLEKHA5 regulates tumor growth in metastatic melanoma. Cancer 2019, 126: 1016-1030. PMID: 31769872, PMCID: PMC7147081, DOI: 10.1002/cncr.32611.Peer-Reviewed Original ResearchMeSH KeywordsAdultAgedAnimalsApoptosis Regulatory ProteinsBiomarkers, TumorBrain NeoplasmsCell ProliferationFemaleFollow-Up StudiesGene Expression Regulation, NeoplasticHumansIntracellular Signaling Peptides and ProteinsMaleMelanomaMiceMice, NudeMiddle AgedPhosphatidylinositol 3-KinasesPrognosisProto-Oncogene Proteins c-aktTOR Serine-Threonine KinasesTumor Cells, CulturedXenograft Model Antitumor AssaysYoung AdultConceptsTumor growthDisseminated melanomaExtracranial melanoma metastasesPI3K/AKT/mTOR pathwayMelanoma brain metastasesBetter overall survivalPI3K/Akt/mTORAKT/mTOR pathwayCell proliferationAkt/mTORMelanoma xenograft modelGrowth of tumorsS cell cycle transitionBrain metastasesOverall survivalPoor prognosisMetastatic melanomaMAPK/ERKSubcutaneous inoculationMelanoma metastasesXenograft modelClinical relevanceMelanoma growthNude miceCerebral specimensPerilesional edema in brain metastases: potential causes and implications for treatment with immune therapy
Tran TT, Mahajan A, Chiang VL, Goldberg SB, Nguyen DX, Jilaveanu LB, Kluger HM. Perilesional edema in brain metastases: potential causes and implications for treatment with immune therapy. Journal For ImmunoTherapy Of Cancer 2019, 7: 200. PMID: 31362777, PMCID: PMC6668163, DOI: 10.1186/s40425-019-0684-z.Peer-Reviewed Original ResearchMeSH KeywordsAdministration, IntravenousAntibodies, Monoclonal, HumanizedAntigens, CD34Antineoplastic Agents, ImmunologicalBlood-Brain BarrierBrain EdemaBrain NeoplasmsCarcinoma, Non-Small-Cell LungClinical Trials, Phase II as TopicDrug Administration ScheduleHumansLung NeoplasmsMelanomaRetrospective StudiesTight JunctionsTreatment OutcomeTumor Cells, CulturedConceptsMelanoma brain metastasesBrain metastasesPerilesional edemaVessel densityEdema volumeSensitive tumorsBlood-brain barrier model systemNon-small cell lungTight junction resistancePhase II clinical trialSignificant perilesional edemaUntreated brain metastasesBlood-brain barrierPre-clinical modelsDegree of edemaTumor mass effectPotential causesMelanoma brainShort-term cultureExtracranial metastasesImmune therapyMelanoma patientsSignificant morbidityCell lungLarge tumors
2018
Long-Term Survival of Patients With Melanoma With Active Brain Metastases Treated With Pembrolizumab on a Phase II Trial
Kluger HM, Chiang V, Mahajan A, Zito CR, Sznol M, Tran T, Weiss SA, Cohen JV, Yu J, Hegde U, Perrotti E, Anderson G, Ralabate A, Kluger Y, Wei W, Goldberg SB, Jilaveanu LB. Long-Term Survival of Patients With Melanoma With Active Brain Metastases Treated With Pembrolizumab on a Phase II Trial. Journal Of Clinical Oncology 2018, 37: 52-60. PMID: 30407895, PMCID: PMC6354772, DOI: 10.1200/jco.18.00204.Peer-Reviewed Original ResearchConceptsBrain metastasis responseBrain metastasesMetastasis responseAdverse eventsAnti-programmed cell death-1 (PD-1) agentsDeath ligand 1 (PD-L1) expressionModified Response Evaluation CriteriaPhase II clinical trialActive brain metastasesAsymptomatic brain metastasesCD8 cell densityNeurologic adverse eventsPembrolizumab-treated patientsUse of pembrolizumabMelanoma brain metastasesPrimary end pointLigand 1 expressionPhase II trialResponse Evaluation CriteriaT-cell infiltratesUntreated brain metastasesDeath ligand 1Two-year survivalOverall survival timeResult of progression