2024
Up-regulated PLA2G10 in cancer impairs T cell infiltration to dampen immunity
Zhang T, Yu W, Cheng X, Yeung J, Ahumada V, Norris P, Pearson M, Yang X, van Deursen W, Halcovich C, Nassar A, Vesely M, Zhang Y, Zhang J, Ji L, Flies D, Liu L, Langermann S, LaRochelle W, Humphrey R, Zhao D, Zhang Q, Zhang J, Gu R, Schalper K, Sanmamed M, Chen L. Up-regulated PLA2G10 in cancer impairs T cell infiltration to dampen immunity. Science Immunology 2024, 9: eadh2334. PMID: 38669316, DOI: 10.1126/sciimmunol.adh2334.Peer-Reviewed Original ResearchConceptsT cell infiltrationT cell exclusionT cellsResistance to anti-PD-1 immunotherapyPoor T-cell infiltrationAnti-PD-1 immunotherapyImmunogenic mouse tumorsT cell mobilizationHuman cancer tissuesTherapeutic immunotherapyCancer immunotherapyMouse tumorsChemokine systemImmunotherapyTumor tissuesImpaired infiltrationTumorLipid metabolitesHuman cancersCancer tissuesInfiltrationA2 groupCancerPLA2G10Up-regulatedVascular 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
2023
Neuroendocrine lineage commitment of small cell lung cancers can be leveraged into p53-independent non-cytotoxic therapy
Biswas S, Kang K, Ng K, Radivoyevitch T, Schalper K, Zhang H, Lindner D, Thomas A, MacPherson D, Gastman B, Schrump D, Wong K, Velcheti V, Saunthararajah Y. Neuroendocrine lineage commitment of small cell lung cancers can be leveraged into p53-independent non-cytotoxic therapy. Cell Reports 2023, 42: 113016. PMID: 37597186, PMCID: PMC10528072, DOI: 10.1016/j.celrep.2023.113016.Peer-Reviewed Original ResearchConceptsSmall cell lung cancerNon-cytotoxic therapiesImmune checkpoint inhibitorsCell lung cancerDNA methyltransferase 1SCLC cellsCytotoxic chemotherapyLung cancerDisseminated small cell lung cancerRepression marksSurvival of miceLineage commitmentCheckpoint inhibitorsResistant therapiesMaster transcription factorMaturation arrestTherapyTranscription factorsClinical compoundsMethyltransferase 1DNMT1 knockdownChemotherapyLineage maturationTranslocation 2Neuroendocrine lineage
2016
Abscopal Effects of Radiotherapy Are Enhanced by Combined Immunostimulatory mAbs and Are Dependent on CD8 T Cells and Crosspriming
Rodriguez-Ruiz ME, Rodriguez I, Garasa S, Barbes B, Solorzano JL, Perez-Gracia JL, Labiano S, Sanmamed MF, Azpilikueta A, Bolaños E, Sanchez-Paulete AR, Aznar MA, Rouzaut A, Schalper KA, Jure-Kunkel M, Melero I. Abscopal Effects of Radiotherapy Are Enhanced by Combined Immunostimulatory mAbs and Are Dependent on CD8 T Cells and Crosspriming. Cancer Research 2016, 76: 5994-6005. PMID: 27550452, DOI: 10.1158/0008-5472.can-16-0549.Peer-Reviewed Original ResearchMeSH KeywordsAnimalsAntibodies, MonoclonalBasic-Leucine Zipper Transcription FactorsCD8-Positive T-LymphocytesCell Line, TumorFemaleHumansLymphocytes, Tumor-InfiltratingMiceMice, Inbred BALB CMice, Inbred C57BLNeoplasms, ExperimentalProgrammed Cell Death 1 ReceptorReceptor, Interferon alpha-betaRepressor ProteinsTumor MicroenvironmentTumor Necrosis Factor Receptor Superfamily, Member 9ConceptsAnti-CD137 mAbsCD8 T cellsEffector T cellsT cellsTumor lesionsMyeloid-derived suppressor cellsSelective depletion experimentsType I IFN systemTumor-infiltrating lymphocytesCombination of radiotherapyField of irradiationImmunostimulatory mAbsImmunotherapy combinationsIntracellular IFNγProimmune effectsContralateral tumorsSuppressor cellsDendritic cellsClinical evidenceRadiotherapy strategiesIrradiation regimenAntitumor effectsClinical developmentTumor siteEx vivo
2015
Nivolumab and Urelumab Enhance Antitumor Activity of Human T Lymphocytes Engrafted in Rag2−/−IL2Rγnull Immunodeficient Mice
Sanmamed MF, Rodriguez I, Schalper KA, Oñate C, Azpilikueta A, Rodriguez-Ruiz ME, Morales-Kastresana A, Labiano S, Pérez-Gracia JL, Martín-Algarra S, Alfaro C, Mazzolini G, Sarno F, Hidalgo M, Korman AJ, Jure-Kunkel M, Melero I. Nivolumab and Urelumab Enhance Antitumor Activity of Human T Lymphocytes Engrafted in Rag2−/−IL2Rγnull Immunodeficient Mice. Cancer Research 2015, 75: 3466-3478. PMID: 26113085, DOI: 10.1158/0008-5472.can-14-3510.Peer-Reviewed Original ResearchMeSH KeywordsAnimalsAntibodies, MonoclonalColorectal NeoplasmsDNA-Binding ProteinsGraft vs Host DiseaseHT29 CellsHumansInterleukin Receptor Common gamma SubunitLeukocytes, MononuclearLymphocyte ActivationMiceNivolumabProgrammed Cell Death 1 ReceptorT-LymphocytesTumor Necrosis Factor Receptor Superfamily, Member 9ConceptsPeripheral blood mononuclear cellsT lymphocytesHuman T lymphocytesAllogeneic human peripheral blood mononuclear cellsHuman peripheral blood mononuclear cellsT cell-mediated diseaseImmune checkpoint drugsImmunostimulatory monoclonal antibodiesCell-mediated diseaseRegulatory T lymphocytesHumanized murine modelBlood mononuclear cellsHumanized mouse modelPreclinical model systemsLymphocyte infiltrationTherapeutic regimenMononuclear cellsCell surface expressionCancer immunologyGastric carcinomaImmunodeficient miceMurine modelMouse modelSame patientTumor xenografts
2011
Cation permeation through connexin 43 hemichannels is cooperative, competitive and saturable with parameters depending on the permeant species
Orellana J, Díaz E, Schalper K, Vargas A, Bennett M, Sáez J. Cation permeation through connexin 43 hemichannels is cooperative, competitive and saturable with parameters depending on the permeant species. Biochemical And Biophysical Research Communications 2011, 409: 603-609. PMID: 21600880, PMCID: PMC3118918, DOI: 10.1016/j.bbrc.2011.05.031.Peer-Reviewed Original Research
2007
Opening of connexin 43 hemichannels is increased by lowering intracellular redox potential
Retamal MA, Schalper KA, Shoji KF, Bennett MV, Sáez JC. Opening of connexin 43 hemichannels is increased by lowering intracellular redox potential. Proceedings Of The National Academy Of Sciences Of The United States Of America 2007, 104: 8322-8327. PMID: 17494739, PMCID: PMC1895948, DOI: 10.1073/pnas.0702456104.Peer-Reviewed Original Research