Low doses of methylnaltrexone inhibits head and neck squamous cell carcinoma growth in vitro and in vivo by acting on the mu‐opioid receptor
Gorur A, Patiño M, Shi T, Corrales G, Takahashi H, Rangel R, Gleber‐Netto F, Pickering C, Myers JN, Cata JP. Low doses of methylnaltrexone inhibits head and neck squamous cell carcinoma growth in vitro and in vivo by acting on the mu‐opioid receptor. Journal Of Cellular Physiology 2021, 236: 7698-7710. PMID: 34038587, DOI: 10.1002/jcp.30421.Peer-Reviewed Original ResearchMeSH KeywordsAnimalsAntineoplastic AgentsCell Line, TumorCell MovementCell ProliferationEpithelial-Mesenchymal TransitionHead and Neck NeoplasmsHumansMaleMice, Inbred C57BLMice, NudeNaltrexoneNarcotic AntagonistsNeoplasm InvasivenessQuaternary Ammonium CompoundsReceptors, Opioid, muSignal TransductionSquamous Cell Carcinoma of Head and NeckTumor BurdenXenograft Model Antitumor AssaysConceptsMu-opioid receptorsEffects of methylnaltrexoneHNSCC cell linesTumor growthCell linesNeck squamous cell carcinoma growthNeck squamous cell carcinomaDifferent HNSCC cell linesClonogenic activitySquamous cell carcinoma growthSquamous cell carcinomaLung cancer cell linesCyclic adenosine monophosphate levelsTumor-bearing miceAggressive cell behaviorEpithelial-mesenchymal transitionAdenosine monophosphate levelsCancer cell linesCell carcinomaMethylnaltrexoneCarcinoma growthTherapeutic targetLow dosesFaDu cellsMetastasis formationMu-opioid receptor activation promotes in vitro and in vivo tumor growth in head and neck squamous cell carcinoma
Gorur A, Patiño M, Takahashi H, Corrales G, Pickering CR, Gleber-Netto FO, Myers JN, Cata JP. Mu-opioid receptor activation promotes in vitro and in vivo tumor growth in head and neck squamous cell carcinoma. Life Sciences 2021, 278: 119541. PMID: 33930368, DOI: 10.1016/j.lfs.2021.119541.Peer-Reviewed Original ResearchConceptsMu-opioid receptorsMOR activationTumor growthSelective MOR agonist DAMGOMu-opioid receptor activationNeck squamous cell carcinomaSquamous cell carcinoma progressionNeck squamous cell carcinoma progressionMOR agonist DAMGOSquamous cell carcinomaTumorigenesis of HNSCCPotential therapeutic targetVivo tumor growthAgonist DAMGOCell carcinomaSaline 0.9MOR agonistsTherapeutic targetCarcinoma progressionReceptor activationHNSCCVivo studiesColony formationCell linesMe-PheTargeting resistance to radiation-immunotherapy in cold HNSCCs by modulating the Treg-dendritic cell axis
Knitz MW, Bickett TE, Darragh LB, Oweida AJ, Bhatia S, Van Court B, Bhuvane S, Piper M, Gadwa J, Mueller AC, Nguyen D, Nangia V, Osborne DG, Bai X, Ferrara SE, Boss MK, Goodspeed A, Burchill MA, Tamburini BAJ, Chan ED, Pickering CR, Clambey ET, Karam SD. Targeting resistance to radiation-immunotherapy in cold HNSCCs by modulating the Treg-dendritic cell axis. Journal For ImmunoTherapy Of Cancer 2021, 9: e001955. PMID: 33883256, PMCID: PMC8061827, DOI: 10.1136/jitc-2020-001955.Peer-Reviewed Original ResearchMeSH KeywordsAnimalsAntineoplastic Agents, ImmunologicalBasic-Leucine Zipper Transcription FactorsCell Line, TumorCombined Modality TherapyDendritic CellsDrug Resistance, NeoplasmHead and Neck NeoplasmsImmune Checkpoint InhibitorsImmunotherapyInterleukin-2 Receptor alpha SubunitLymphocyte DepletionMice, Inbred BALB CMice, Inbred C57BLMice, KnockoutPhenotypeRadiation Dose HypofractionationRadiation ToleranceRepressor ProteinsSquamous Cell Carcinoma of Head and NeckT-Lymphocytes, RegulatoryTumor BurdenTumor MicroenvironmentTumor Necrosis Factor Receptor Superfamily, Member 9ConceptsCombination radiation therapyRadiation therapyDendritic cellsLymph nodesMouse modelRadioresistant tumorsRegulatory T-cell depletionT cell effector responsesTumor-draining lymph nodesNeck squamous cell carcinomaOral squamous cell carcinoma tumorsT cell-dependent responsesSquamous cell carcinoma tumorsAnti-CD137 treatmentDC activation statusGy x 5Higher Treg numbersPlasticity of TregsAdoptive transfer studiesT-cell depletionSquamous cell carcinomaCell-dependent responsesOrthotopic mouse modelTumor necrosis factorαNew therapeutic opportunities