2021
Bile 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 acidsPepsin Promotes Activation of Epidermal Growth Factor Receptor and Downstream Oncogenic Pathways, at Slightly Acidic and Neutral pH, in Exposed Hypopharyngeal Cells
Doukas PG, Vageli DP, Sasaki CT, Judson BL. Pepsin Promotes Activation of Epidermal Growth Factor Receptor and Downstream Oncogenic Pathways, at Slightly Acidic and Neutral pH, in Exposed Hypopharyngeal Cells. International Journal Of Molecular Sciences 2021, 22: 4275. PMID: 33924087, PMCID: PMC8074291, DOI: 10.3390/ijms22084275.Peer-Reviewed Original ResearchConceptsRelated-signaling pathwaysOncogenic pathwaysLaryngopharyngeal reflux diseaseEpidermal growth factor receptorSpecific oncogenic pathwaysDownstream oncogenic pathwaysGrowth factor receptorHypopharyngeal cellsReflux diseaseRisk factorsTherapeutic approachesIntermittent exposureTumorigenic effectsPronounced activationOncogenic factorSignificant upregulationFactor receptorSTAT3 activationAcidic pepsinEGFR activationCell viabilityPromotes ActivationActivationPrimary cellsCells
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