2024
Abstract P28: Comprehensive Molecular Phenotyping of ARID1A -deficient Gastric Cancer Reveals Pervasive Epigenomic Reprogramming and Therapeutic Opportunities
Xu C, Huang K, Law J, Chua J, Sheng T, Flores N, Pizzi M, Okabe A, Tan A, Zhu F, Kumar V, Lu X, Benitez A, Lian B, Ma H, Ho S, Ramnarayanan K, Anene-Nzelu C, Razavi-Mohseni M, Ghani S, Tay S, Ong X, Lee M, Guo Y, Ashktorab H, Smoot D, Li S, Skanderup A, Beer M, Foo R, Wong J, Sanghvi K, Yong W, Sundar R, Kaneda A, Prabhakar S, Mazur P, Ajani J, Yeoh K, So J, Tan P. Abstract P28: Comprehensive Molecular Phenotyping of ARID1A -deficient Gastric Cancer Reveals Pervasive Epigenomic Reprogramming and Therapeutic Opportunities. Cancer Research 2024, 84: p28-p28. DOI: 10.1158/1538-7445.fcs2023-p28.Peer-Reviewed Original ResearchGastric cancerMolecular subtypesARID1A lossPro-inflammatory tumor microenvironmentTherapeutic opportunitiesARID1A inactivationTumor microenvironmental changesEpigenomic reprogrammingMutational signaturesPromoter activityGastric cell linesARID1A depletionTumor-intrinsicTumor inflammationTumor microenvironmentSingle-cell transcriptome profilingMutated driver genesTherapeutic vulnerabilitiesGC molecular subtypesNFkB inhibitorARID1ATherapeutic strategiesPharmacological inhibitionGC patientsSingapore cohort
2023
Comprehensive molecular phenotyping of ARID1A-deficient gastric cancer reveals pervasive epigenomic reprogramming and therapeutic opportunities
Xu C, Huang K, Law J, Chua J, Sheng T, Flores N, Pizzi M, Okabe A, Tan A, Zhu F, Kumar V, Lu X, Benitez A, Lian B, Ma H, Ho S, Ramnarayanan K, Anene-Nzelu C, Razavi-Mohseni M, Ghani S, Tay S, Ong X, Lee M, Guo Y, Ashktorab H, Smoot D, Li S, Skanderup A, Beer M, Foo R, Wong J, Sanghvi K, Yong W, Sundar R, Kaneda A, Prabhakar S, Mazur P, Ajani J, Yeoh K, So J, Tan P. Comprehensive molecular phenotyping of ARID1A-deficient gastric cancer reveals pervasive epigenomic reprogramming and therapeutic opportunities. Gut 2023, 72: 1651-1663. PMID: 36918265, DOI: 10.1136/gutjnl-2022-328332.Peer-Reviewed Original ResearchConceptsGastric cancerMolecular subtypesPromoter activityMutational signaturesProinflammatory tumor microenvironmentTumor microenvironmental changesMutated driver genesSingle-cell transcriptome profilingCTCF occupancyGC molecular subtypesChromatin profilingDistal enhancerRegulatory networksEpigenetic landscapeBRD4 bindingEpigenomic reprogrammingEpigenomic levelsTumor-intrinsicTumor inflammationTumor microenvironmentTherapeutic vulnerabilitiesTranscriptome profilingDriver genesNFkB inhibitorGene expression