2022
The Role of PARP‐1 and NF‐κB in Bile‐Induced DNA Damage and Oncogenic Profile in Hypopharyngeal Cells
Doukas PG, Vageli DP, Judson BL. The Role of PARP‐1 and NF‐κB in Bile‐Induced DNA Damage and Oncogenic Profile in Hypopharyngeal Cells. The Laryngoscope 2022, 133: 1146-1155. PMID: 35791892, DOI: 10.1002/lary.30284.Peer-Reviewed Original ResearchConceptsHypopharyngeal cellsAcidic bileNF-κBNF-κB activationGamma-H2A histone family member XHypopharyngeal squamous cell carcinomaOncogenic profileNuclear factor kappa BPARP-1Squamous cell carcinomaB-cell lymphoma 2 expressionNF-κB transcriptional activityFactor kappa BDNA damageEnzyme-linked immunosorbent assayH2A histone family member XCell survivalDNA/RNA damageHypopharyngeal carcinogenesisReflux contentsAnti-apoptotic phenotypeCell carcinomaWidespread DNA damageBAY 11PARP-1 overexpression
2021
Targeting STAT3 prevents bile reflux‐induced oncogenic molecular events linked to hypopharyngeal carcinogenesis
Vageli DP, Doukas PG, Siametis A, Judson BL. Targeting STAT3 prevents bile reflux‐induced oncogenic molecular events linked to hypopharyngeal carcinogenesis. Journal Of Cellular And Molecular Medicine 2021, 26: 75-87. PMID: 34850540, PMCID: PMC8742186, DOI: 10.1111/jcmm.17011.Peer-Reviewed Original ResearchConceptsBcl-2 overexpressionTranscriptional activationTranscription factorsTranscriptional activitySignal transducerSTAT3 knockdownMolecular eventsCell survivalQPCR analysisLuciferase assaySTAT3 activationTargeting STAT3Oncogenic eventsAberrant activationHypopharyngeal carcinogenesisSTAT3 phosphorylationSTAT3Oncogenic effectsSTAT3 pathwayPharmacologic inhibitionPharmacological inhibitionSTA-21Hypopharyngeal cellsOncogenic profileWestern blotBile reflux and hypopharyngeal cancer
Vageli DP, Doukas SG, Doukas PG, Judson BL. Bile reflux and hypopharyngeal cancer. Oncology Reports 2021, 46: 244. PMID: 34558652, PMCID: PMC8485019, DOI: 10.3892/or.2021.8195.Peer-Reviewed Original ResearchConceptsHypopharyngeal cancerAcidic bileHypopharyngeal carcinogenesisBile refluxRisk factorsGastroesophageal reflux diseaseIndependent risk factorSquamous cell cancerUpper aerodigestive tractElevated p53 expressionAnti-apoptotic effectsReflux diseaseLaryngopharyngeal refluxAerodigestive tractCell cancerGastroesophageal refluxateContribution of STAT3Neck cancerPrecancerous lesionsPremalignant changesNeoplastic changesNF-κBDNA damageP53 expressionBile acidsWeakly Acidic Bile Is a Risk Factor for Hypopharyngeal Carcinogenesis Evidenced by DNA Damage, Antiapoptotic Function, and Premalignant Dysplastic Lesions In Vivo
Sasaki CT, Doukas SG, Doukas PG, Vageli DP. Weakly Acidic Bile Is a Risk Factor for Hypopharyngeal Carcinogenesis Evidenced by DNA Damage, Antiapoptotic Function, and Premalignant Dysplastic Lesions In Vivo. Cancers 2021, 13: 852. PMID: 33670587, PMCID: PMC7923205, DOI: 10.3390/cancers13040852.Peer-Reviewed Original ResearchAcidic bileBile acidsDeoxycholic acidUnconjugated secondary bile acidsDNA/RNA oxidative damageConjugated primary bile acidsUpper aerodigestive tractSecondary bile acidsPrimary bile acidsAlternative therapeutic strategiesPremalignant dysplastic lesionsHypopharyngeal carcinogenesisAntacid therapyRelevant molecular pathwaysRNA oxidative damageSimilar oncogenic effectsEsophageal refluxRefractory GERDAerodigestive tractDysplastic lesionsRisk factorsPremalignant lesionsBile contentTherapeutic strategiesP53 expression
2019
Biliary reflux as a causal factor in hypopharyngeal carcinoma: New clinical evidence and implications
Sasaki CT, Doukas SG, Costa J, Vageli DP. Biliary reflux as a causal factor in hypopharyngeal carcinoma: New clinical evidence and implications. Cancer 2019, 125: 3554-3565. PMID: 31310330, DOI: 10.1002/cncr.32369.Peer-Reviewed Original ResearchConceptsHuman hypopharyngeal squamous cell carcinomaAdjacent normal tissuesIL-6Reflux diseaseHypopharyngeal squamous cell carcinomaMiR-375Respective adjacent normal tissuesMiR-21Pilot studyEsophageal reflux diseaseIndependent risk factorNew clinical evidenceSquamous cell carcinomaOncomiR miR-21NF-κB activationMiR-21/miRTumor suppressor miR-375Quantitative polymerase chain reactionMessenger RNABiliary refluxHypopharyngeal carcinogenesisControl patientsLaryngopharyngeal refluxClinical evidenceHypopharyngeal carcinoma