2023
Gastric cancer after Bariatric Bypass Surgery. Do they relate? (A Systematic Review)
Doukas S, Doukas P, Vageli D, Broder A. Gastric cancer after Bariatric Bypass Surgery. Do they relate? (A Systematic Review). Obesity Surgery 2023, 33: 1876-1888. PMID: 37041375, DOI: 10.1007/s11695-023-06567-6.Peer-Reviewed Original ResearchConceptsBariatric bypass surgeryBypass surgeryGastric cancerGastric cancer risk assessmentGastric bypass surgeryH. pylori infectionGastric cancer surveillanceCancer-promoting factorGastric cancer casesCancer risk assessmentBile refluxMorbid obesityTobacco smokingPylori infectionCancer surveillanceRisk factorsCancer casesFamily historyEffective treatmentSurgeryAdvanced stageSystematic reviewCancerFurther investigationObesity
2022
Noxious Combination of Tobacco Smoke Nitrosamines with Bile, Deoxycholic Acid, Promotes Hypopharyngeal Squamous Cell Carcinoma, via NFκB, In Vivo.
Vageli DP, Doukas PG, Doukas SG, Tsatsakis A, Judson BL. Noxious Combination of Tobacco Smoke Nitrosamines with Bile, Deoxycholic Acid, Promotes Hypopharyngeal Squamous Cell Carcinoma, via NFκB, In Vivo. Cancer Prevention Research 2022, 15: 297-308. PMID: 35502554, DOI: 10.1158/1940-6207.capr-21-0529.Peer-Reviewed Original ResearchConceptsHypopharyngeal squamous cell carcinomaTobacco smoke componentsSquamous cell carcinomaAerodigestive tract carcinogenesisBile refluxRisk factorsHypopharyngeal cancerCell carcinomaChronic exposureNFκB activationVivo modelUpper aerodigestive tract cancerNoxious combinationLarge-scale studiesIndependent risk factorAerodigestive tract cancerUpper aerodigestive tract carcinogenesisHigh-risk individualsVivo chronic exposurePresence of bileSilent progressionTract cancerTobacco smokingInvasive carcinomaPremalignant lesions
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 cellsCellsWeakly 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
2020
The in vivo preventive and therapeutic properties of curcumin in bile reflux‐related oncogenesis of the hypopharynx
Doukas SG, Doukas PG, Sasaki CT, Vageli D. The in vivo preventive and therapeutic properties of curcumin in bile reflux‐related oncogenesis of the hypopharynx. Journal Of Cellular And Molecular Medicine 2020, 24: 10311-10321. PMID: 32691972, PMCID: PMC7521262, DOI: 10.1111/jcmm.15640.Peer-Reviewed Original ResearchConceptsNF-κBRecent pre-clinical studiesHuman hypopharyngeal cellsIndependent risk factorPre-clinical studiesNF-κB activationTherapeutic propertiesHypopharyngeal cellsRisk factorsMolecular eventsHypopharyngeal mucosaBile exposureImmunohistochemical analysisFuture translational developmentBile acidsOncogenic profileHypopharynxCarcinogenic effectsOncogenic functionOverexpression of RelAEpithelial cellsBileTranslational developmentExpression of genesCurcuminThe Progressive Mutagenic Effects of Acidic Bile Refluxate in Hypopharyngeal Squamous Cell Carcinogenesis: New Insights
Sasaki CT, Doukas SG, Costa J, Vageli DP. The Progressive Mutagenic Effects of Acidic Bile Refluxate in Hypopharyngeal Squamous Cell Carcinogenesis: New Insights. Cancers 2020, 12: 1064. PMID: 32344873, PMCID: PMC7281001, DOI: 10.3390/cancers12051064.Peer-Reviewed Original ResearchAcidic bileUpper aerodigestive tractAdditional risk factorsBiomarkers of progressionSquamous cell carcinogenesisNF-κB activationNeck malignanciesAerodigestive tractInvasive cancerHistopathological changesRisk factorsHypopharyngeal mucosaEarly neoplasiaMalignant lesionsP53 expressionTranslational studiesVivo modelCell carcinogenesisBileExperimental modelEarly detectionCancerNovel evidenceMutagenic effectsFirst study
2019
Temporal characteristics of NF-κB inhibition in blocking bile-induced oncogenic molecular events in hypopharyngeal cells
Doukas PG, Vageli DP, Doukas SG, Sasaki CT. Temporal characteristics of NF-κB inhibition in blocking bile-induced oncogenic molecular events in hypopharyngeal cells. Oncotarget 2019, 10: 3339-3351. PMID: 31164956, PMCID: PMC6534360, DOI: 10.18632/oncotarget.26917.Peer-Reviewed Original ResearchAcidic bileNF-κB inhibitorBAY 11Hypopharyngeal cellsIL-6MiR-155MiR-375Specific NF-κB inhibitorMiR-21NF-κB inhibitionPre-neoplastic eventsEsophageal refluxLaryngopharyngeal cancerRisk factorsMolecular eventsEarly neoplasiaTherapeutic implicationsMiR-192MiR-451aClinical useWestern blotB activationBileOncogenic factorB inhibitor
2016
Gastro-duodenal fluid induced nuclear factor- κappa B activation and early pre-malignant alterations in murine hypopharyngeal mucosa
Vageli DP, Prasad ML, Sasaki CT. Gastro-duodenal fluid induced nuclear factor- κappa B activation and early pre-malignant alterations in murine hypopharyngeal mucosa. Oncotarget 2016, 7: 5892-5908. PMID: 26745676, PMCID: PMC4868729, DOI: 10.18632/oncotarget.6824.Peer-Reviewed Original ResearchMeSH KeywordsAnimalsBile Acids and SaltsBlotting, WesternCells, CulturedDuodenumFluorescent Antibody TechniqueHumansHypopharyngeal NeoplasmsHypopharynxImmunoenzyme TechniquesMiceMice, Inbred C57BLMucous MembraneNF-kappa BPrecancerous ConditionsReal-Time Polymerase Chain ReactionReverse Transcriptase Polymerase Chain ReactionRNA, MessengerStomachConceptsHypopharyngeal mucosaNF-κB activationVivo modelSignificant NF-κB activationNF-κB pathwayCell proliferation markersΒ-catenin expressionC57BL/6J miceRisk factorsHistologic lesionsCell adhesion moleculeNF-κBVivo effectsProliferation markersP-STAT3B activationAdhesion moleculesNormal keratinocytesOncogenic pathwaysSTAT3 activationΒ-cateninBcl-2E-cadherinKi67Mucosa