2024
Asparagine synthetase and G‐protein coupled estrogen receptor are critical responders to nutrient supply in KRAS mutant colorectal cancer
Lu L, Zhang Q, Aladelokun O, Berardi D, Shen X, Marin A, Garcia‐Milian R, Roper J, Khan S, Johnson C. Asparagine synthetase and G‐protein coupled estrogen receptor are critical responders to nutrient supply in KRAS mutant colorectal cancer. International Journal Of Cancer 2024 PMID: 39039782, DOI: 10.1002/ijc.35104.Peer-Reviewed Original ResearchG protein-coupled estrogen receptor 1KRAS mutant colorectal cancerAsparagine synthetase expressionMutant colorectal cancerColorectal cancerAsparagine synthetaseG-protein coupled estrogen receptor 1 expressionG protein-coupled estrogen receptorWild-typeAssociated with poor overall survivalAdvanced stage tumorsKRAS wild-typeProtective effect of estradiolEffects of estradiolPoor overall survivalEstrogen receptor 1Expression of asparagine synthetasePresence of estradiolIncreased caspase-3 activityDepletion inhibited cell growthColon cancer cohortNutrient supplyAdvanced tumorsOverall survivalStage tumors
2023
Discovery of decreased ferroptosis in male colorectal cancer patients with KRAS mutations
Yan H, Talty R, Jain A, Cai Y, Zheng J, Shen X, Muca E, Paty P, Bosenberg M, Khan S, Johnson C. Discovery of decreased ferroptosis in male colorectal cancer patients with KRAS mutations. Redox Biology 2023, 62: 102699. PMID: 37086630, PMCID: PMC10172914, DOI: 10.1016/j.redox.2023.102699.Peer-Reviewed Original ResearchConceptsKRAS mutant tumorsMale CRC patientsCRC patientsMale patientsKRAS mutationsMutant tumorsOverall survivalMale colorectal cancer patientsKRAS wild-type tumorsAberrant tumor metabolismColorectal cancer patientsCRC patient cohortsColorectal cancer casesFerroptosis-related genesWild-type tumorsNovel potential avenuesNormal colon tissuesPoor OSKRAS statusAdverse outcomesCRC cellsPatient cohortCancer patientsType tumorsCancer casesHepatopancreatobiliary malignancies: time to treatment matters
Kerekes D, Frey A, Bakkila B, Johnson C, Becher R, Billingsley K, Khan S. Hepatopancreatobiliary malignancies: time to treatment matters. Journal Of Gastrointestinal Oncology 2023, 0: 0-0. PMID: 37201090, PMCID: PMC10186552, DOI: 10.21037/jgo-22-1067.Peer-Reviewed Original ResearchTreatment initiationStage IHPB cancersStage I pancreatic cancerExtrahepatic bile duct cancerKaplan-Meier survival analysisHPB cancer patientsNational Cancer DatabaseRetrospective cohort studyBile duct cancerMedian treatment initiationHepatopancreatobiliary cancersMedian survivalCohort studyDuct cancerOverall survivalHispanic patientsEHBD cancerOncologic careBile ductCox regressionBlack raceCancer patientsDefinitive carePancreatic cancer
2022
Bile acid distributions, sex-specificity, and prognosis in colorectal cancer
Cai Y, Shen X, Lu L, Yan H, Huang H, Gaule P, Muca E, Theriot CM, Rattray Z, Rattray NJW, Lu J, Ahuja N, Zhang Y, Paty PB, Khan SA, Johnson CH. Bile acid distributions, sex-specificity, and prognosis in colorectal cancer. Biology Of Sex Differences 2022, 13: 61. PMID: 36274154, PMCID: PMC9590160, DOI: 10.1186/s13293-022-00473-9.Peer-Reviewed Original ResearchConceptsLeft-sided colon tumorsRight-sided colon tumorsColon cancer patientsColorectal cancerTumor locationBile acidsColon tumorsCancer patientsQuantitative immunofluorescencePrimary tumor locationImmune regulatory cellsRecurrence-free survivalBile acid metabolismSecondary bile acidsBile acid distributionBile acid analysisBackgroundBile acidsOverall survivalRegulatory cellsCRC patientsMale patientsPatient sexImmune cellsPatient prognosisImmune responseAsparagine Metabolism in Tumors Is Linked to Poor Survival in Females with Colorectal Cancer: A Cohort Study
Shen X, Cai Y, Lu L, Huang H, Yan H, Paty PB, Muca E, Ahuja N, Zhang Y, Johnson CH, Khan SA. Asparagine Metabolism in Tumors Is Linked to Poor Survival in Females with Colorectal Cancer: A Cohort Study. Metabolites 2022, 12: 164. PMID: 35208238, PMCID: PMC8875032, DOI: 10.3390/metabo12020164.Peer-Reviewed Original ResearchRecurrence-free survivalOverall survivalColorectal cancer prognosisPoor overall survivalPrimary tumor tissuesTumor metabolomeUnique metabolite profilesCohort studyCRC patientsCRC treatmentFemale patientsPoor prognosisColorectal cancerPrognostic disadvantagePatient outcomesPoor survivalSurgical colectomySex-specific differencesCox proportionalEleven metabolitesUntargeted metabolomics analysisCancer prognosisStage ITumor tissueSignificant sex differences
2020
Gene Alterations of N6‐Methyladenosine (m6A) Regulators in Colorectal Cancer: A TCGA Database Study
Zhang Q, Cai Y, Kurbatov V, Khan SA, Lu L, Zhang Y, Johnson CH. Gene Alterations of N6‐Methyladenosine (m6A) Regulators in Colorectal Cancer: A TCGA Database Study. BioMed Research International 2020, 2020: 8826456. PMID: 33415160, PMCID: PMC7769650, DOI: 10.1155/2020/8826456.Peer-Reviewed Original ResearchMeSH KeywordsAdenosineAgedAlpha-Ketoglutarate-Dependent Dioxygenase FTOColorectal NeoplasmsDatabases, GeneticDisease-Free SurvivalDNA Copy Number VariationsFemaleGene Expression Regulation, NeoplasticGenes, NeoplasmHumansMaleMultivariate AnalysisMutationNerve Tissue ProteinsPrognosisProportional Hazards ModelsRNA Splicing FactorsRNA, MessengerConceptsDisease-free survivalImmune cell infiltrationM6A regulatorsCRC patientsCRC casesCell infiltrationMRNA expressionWorse overall survivalN6-methyladenosine regulatorsMicrosatellite instability statusMessenger RNA expressionCancer Genome AtlasOverall survivalColorectal cancerCRC tissuesDatabase studyImmune functionInstability statusColon tissuesRole of m6AGene alterationsRNA expressionCRCGenome AtlasGenetic mutations
2018
Distinctive features of gastrointestinal stromal tumors arising from the colon and rectum
Zhu R, Liu F, Grisotti G, Pérez-Irizarry J, Cha CH, Johnson CH, Boffa DJ, Han D, Johung KL, Zhang Y, Khan SA. Distinctive features of gastrointestinal stromal tumors arising from the colon and rectum. Journal Of Gastrointestinal Oncology 2018, 9: 231-240. PMID: 29755761, PMCID: PMC5934147, DOI: 10.21037/jgo.2017.11.12.Peer-Reviewed Original ResearchRectal gastrointestinal stromal tumorGastric gastrointestinal stromal tumorsGastrointestinal stromal tumorsNational Cancer Data BaseAdjuvant therapyOverall survivalSystemic therapyStromal tumorsCases of GISTColonic gastrointestinal stromal tumorsSmall bowel originAdjuvant systemic therapyWorse overall survivalUnique clinicopathologic featuresBowel originTherapy prolongsClinical characteristicsPatient demographicsLocal excisionPrognostic factorsPropensity matchingSurgical treatmentTreatment guidelinesClinicopathologic featuresClinical care