Mitochondrial reprogramming by activating OXPHOS via glutamine metabolism in African American patients with bladder cancer
Reddy K, Piyarathna D, Park J, Putluri V, Amara C, Kamal A, Xu J, Kraushaar D, Huang S, Jung S, Eberlin L, Johnson J, Kittles R, Ballester L, Parsawar K, Siddiqui M, Gao J, Gramer A, Bollag R, Terris M, Lotan Y, Creighton C, Lerner S, Sreekumar A, Kaipparettu B, Putluri N. Mitochondrial reprogramming by activating OXPHOS via glutamine metabolism in African American patients with bladder cancer. JCI Insight 2024, 9: e172336. PMID: 39253977, PMCID: PMC11385078, DOI: 10.1172/jci.insight.172336.Peer-Reviewed Original ResearchConceptsBladder cancerOxidative phosphorylationComponents of complex IComplex IElevated mitochondrial oxidative phosphorylationComprehensive RNA-seqReduced basal respirationActive oxidative phosphorylationMitochondrial oxidative phosphorylationDecreased tumor growthTumor growth potentialIncreased disease progressionMitochondrial respiration rateAfrican American patientsRNA-seqRace-specific differencesMitochondrial reprogrammingEuropean AmericansMetabolic rewiringOXPHOS activityBasal respirationGlutamine metabolismGLS1 expressionPreclinical studiesATP productionThe IL6/JAK/STAT3 signaling axis is a therapeutic vulnerability in SMARCB1-deficient bladder cancer
Amara C, Kami Reddy K, Yuntao Y, Chan Y, Piyarathna D, Dobrolecki L, Shih D, Shi Z, Xu J, Huang S, Ellis M, Apolo A, Ballester L, Gao J, Hansel D, Lotan Y, Hodges H, Lerner S, Creighton C, Sreekumar A, Zheng W, Msaouel P, Kavuri S, Putluri N. The IL6/JAK/STAT3 signaling axis is a therapeutic vulnerability in SMARCB1-deficient bladder cancer. Nature Communications 2024, 15: 1373. PMID: 38355560, PMCID: PMC10867091, DOI: 10.1038/s41467-024-45132-2.Peer-Reviewed Original ResearchMeSH KeywordsCell Line, TumorHumansInterleukin-6Signal TransductionSMARCB1 ProteinSTAT3 Transcription FactorUrinary Bladder NeoplasmsConceptsSignaling axisSMARCB1-deficient tumorsSMARCB1 deficiencyBladder cancerChromatin accessibilitySTAT3 inhibitorTumor growthSMARCB1 lossPatient-derived xenograft modelsCell line-derived xenograftsTherapeutic vulnerabilitiesTarget pathwaysReduced tumor growthIncreased tumor growthCell linesIn vivo modelsSTAT3Gene signatureSMARCB1TTI-101Solid tumorsXenograft modelClinical evaluationDisease progressionTumor