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
Perfluorooctanesulfonic Acid and Perfluorooctanoic Acid Promote Migration of Three-Dimensional Colorectal Cancer Spheroids
Zheng J, Sun B, Berardi D, Lu L, Yan H, Zheng S, Aladelokun O, Xie Y, Cai Y, Pollitt K, Khan S, Johnson C. Perfluorooctanesulfonic Acid and Perfluorooctanoic Acid Promote Migration of Three-Dimensional Colorectal Cancer Spheroids. Environmental Science And Technology 2023, 57: 21016-21028. PMID: 38064429, DOI: 10.1021/acs.est.3c04844.Peer-Reviewed Original ResearchConceptsColorectal cancerFatty acid β-oxidationCell linesSW48 cell linesSynthesis of proteinsProgression of CRCMigration phenotypeCRC cell linesEpithelial-mesenchymal transitionThree-dimensional spheroidsMetabolic pathwaysN-cadherinΒ-oxidationMechanism of actionNovel insightsE-cadherinBiological techniquesPromotes MigrationColorectal cancer spheroidsMigration assaysMetabolic profilingKRAS G12APerfluorooctanoic acidPersistent environmental contaminantsMetabolic profileIdentifying Sex-Specific Cancer Metabolites and Associations to Prognosis
Shen X, Ma S, Khan S, Johnson C. Identifying Sex-Specific Cancer Metabolites and Associations to Prognosis. Learning Materials In Biosciences 2023, 271-299. DOI: 10.1007/978-3-031-44256-8_11.Peer-Reviewed Original ResearchMetabolomics dataSurvival analysisCancer metabolitesColorectal cancerCox proportional hazards regression analysisProportional hazards regression analysisHazards regression analysisSex-specific associationsClinical dataCancer patientsCancer prognosisCancerMetabolomicsMultiple comparisonsPrognosisAnalytical methodSurvivalOncology studiesPatientsAlternative analytical approachRegression analysisSex-specificMetabolitesSex interactionAssociation
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, colorectal cancer, and the role of sex, genes, microbes, and diet: A narrative review
Shen X, Jain A, Aladelokun O, Yan H, Gilbride A, Ferrucci LM, Lu L, Khan SA, Johnson CH. Asparagine, colorectal cancer, and the role of sex, genes, microbes, and diet: A narrative review. Frontiers In Molecular Biosciences 2022, 9: 958666. PMID: 36090030, PMCID: PMC9453556, DOI: 10.3389/fmolb.2022.958666.Peer-Reviewed Original ResearchColorectal cancerCRC patientsNarrative reviewSex steroid hormone estrogenFemale CRC patientsAnti-tumor effectsPI3K/Akt/Sex-related influencesSex-related factorsAsparagine synthetase expressionSex-specific factorsClinical outcomesTumor burdenCRC progressionPoor prognosisHormone estrogenEstrogen receptorSOX12 expressionRole of sexTherapeutic useAkt/Cancer cellsSynthetase expressionL-asparaginasePatientsAsparagine 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 mutationsTumor Tissue-Specific Biomarkers of Colorectal Cancer by Anatomic Location and Stage
Cai Y, Rattray NJW, Zhang Q, Mironova V, Santos-Neto A, Muca E, Vollmar AKR, Hsu KS, Rattray Z, Cross JR, Zhang Y, Paty PB, Khan SA, Johnson CH. Tumor Tissue-Specific Biomarkers of Colorectal Cancer by Anatomic Location and Stage. Metabolites 2020, 10: 257. PMID: 32575361, PMCID: PMC7345993, DOI: 10.3390/metabo10060257.Peer-Reviewed Original ResearchColorectal cancerAnatomic locationTissue-specific biomarkersOrthogonal partial least squares discriminant analysisBlood samplesMetabolite biomarkersTumor tissueRight-sided colon cancerPatient blood samplesCRC patientsStudy cohortScreening regimensIndependent cohortUntargeted metabolomics analysisStage IColon cancerDisease influenceMetabolic consequencesDiscriminatory biomarkersNormal colonMetabolic signaturesPre-validation phaseBiomarker studiesBiomarkersCancerSex Differences in Colon Cancer Metabolism Reveal A Novel Subphenotype
Cai Y, Rattray NJW, Zhang Q, Mironova V, Santos-Neto A, Hsu KS, Rattray Z, Cross JR, Zhang Y, Paty PB, Khan SA, Johnson CH. Sex Differences in Colon Cancer Metabolism Reveal A Novel Subphenotype. Scientific Reports 2020, 10: 4905. PMID: 32184446, PMCID: PMC7078199, DOI: 10.1038/s41598-020-61851-0.Peer-Reviewed Original ResearchConceptsRight-sided colon cancerColorectal cancerCRC patientsColon cancer metabolismPoor clinical outcomePatient colon tumorsAsparagine synthetase expressionNovel subphenotypesClinical outcomesAmino acid uptakePoor survivalLower incidenceAnatomic locationHigh incidenceTherapeutic targetColon cancerCancer Genomic AtlasClinical importanceColon tumorsTumor progressionAberrant metabolismNormal tissuesPatientsSubphenotypesAcid uptake
2019
Exploring Microsatellite Instability (MSI) in Colorectal Cancer at Elevated Microsatellite Alterations at Selected Tetranucleotides (EMAST)
Kurbatov V, Khan SA. Exploring Microsatellite Instability (MSI) in Colorectal Cancer at Elevated Microsatellite Alterations at Selected Tetranucleotides (EMAST). Annals Of Surgical Oncology 2019, 27: 973-974. PMID: 31788754, DOI: 10.1245/s10434-019-08051-x.Peer-Reviewed Original Research
2018
Long Noncoding RNA HOTTIP Is Biomarker for Recurrence after Hepatic Metastasectomy for Colorectal Cancer
Kurbatov V, Heller D, Zeng Z, Paty P, Lu J, Khan S. Long Noncoding RNA HOTTIP Is Biomarker for Recurrence after Hepatic Metastasectomy for Colorectal Cancer. Journal Of The American College Of Surgeons 2018, 227: s67. DOI: 10.1016/j.jamcollsurg.2018.07.141.Peer-Reviewed Original ResearchRegional Differences in Palliative Care Utilization Among Geriatric Colorectal Cancer Patients Needing Emergent Surgery
Heller DR, Jean RA, Chiu AS, Feder SI, Kurbatov V, Cha C, Khan SA. Regional Differences in Palliative Care Utilization Among Geriatric Colorectal Cancer Patients Needing Emergent Surgery. Journal Of Gastrointestinal Surgery 2018, 23: 153-162. PMID: 30328071, PMCID: PMC6751557, DOI: 10.1007/s11605-018-3929-0.Peer-Reviewed Original ResearchConceptsMultivariable logistic regressionPalliative careColorectal cancerPC consultationEmergent surgerySurgical patientsOstomy formationMethodsThe National Inpatient SampleLogistic regressionComplicated colorectal cancerPalliative care utilizationColorectal cancer patientsNational Inpatient SampleMeeting inclusion criteriaQuality of lifeChi-square testingCritical illnessElderly patientsHospital factorsMetastatic diseasePC patientsCare utilizationGeriatric patientsCancer patientsInpatient SampleIntegrated molecular subtyping defines a curable oligometastatic state in colorectal liver metastasis
Pitroda SP, Khodarev NN, Huang L, Uppal A, Wightman SC, Ganai S, Joseph N, Pitt J, Brown M, Forde M, Mangold K, Xue L, Weber C, Segal JP, Kadri S, Stack ME, Khan S, Paty P, Kaul K, Andrade J, White KP, Talamonti M, Posner MC, Hellman S, Weichselbaum RR. Integrated molecular subtyping defines a curable oligometastatic state in colorectal liver metastasis. Nature Communications 2018, 9: 1793. PMID: 29728604, PMCID: PMC5935683, DOI: 10.1038/s41467-018-04278-6.Peer-Reviewed Original ResearchConceptsColorectal liver metastasesLiver metastasesColorectal cancerOligometastatic colorectal cancerMetastatic colorectal cancerHigh-risk patientsSubset of patientsClinical risk stratificationTreatment of metastasesAngiogenic signatureVEGFA amplificationOligometastatic stateOverall survivalFavorable survivalRisk stratificationAdverse outcomesMetastatic cancerMolecular subtypesFocal therapyMetastasisPatientsMetastatic virulenceMolecular subtypingRobust subtypesCancer
2017
Prognostic signatures of oligometastasis in colorectal cancer liver metastasis.
Khan S, Paty P, Zeng Z, Lu J. Prognostic signatures of oligometastasis in colorectal cancer liver metastasis. Journal Of Clinical Oncology 2017, 35: 3588-3588. DOI: 10.1200/jco.2017.35.15_suppl.3588.Peer-Reviewed Original ResearchColorectal cancer liver metastasesCancer liver metastasesHox gene familyLiver metastasesGene familyLonger recurrence-free survivalUnique molecular subtypePrimary colorectal cancerRecurrence-free survivalSelection of patientsRisk of recurrenceUseful prognostic informationFrozen tumor tissueCRCLM patientsOligometastatic phenotypeMetastasis resectionFree survivalLimited metastasesLiver resectionOverall survivalClinical outcomesWidespread metastasesFurther mechanistic studiesColorectal cancerHOX family members
2016
EGFR Gene Amplification and KRAS Mutation Predict Response to Combination Targeted Therapy in Metastatic Colorectal Cancer
Khan SA, Zeng Z, Shia J, Paty PB. EGFR Gene Amplification and KRAS Mutation Predict Response to Combination Targeted Therapy in Metastatic Colorectal Cancer. Pathology & Oncology Research 2016, 23: 673-677. PMID: 28025786, PMCID: PMC5451302, DOI: 10.1007/s12253-016-0166-2.Peer-Reviewed Original ResearchMeSH KeywordsAdultAgedAntineoplastic Agents, ImmunologicalAntineoplastic Agents, PhytogenicAntineoplastic Combined Chemotherapy ProtocolsBevacizumabBiomarkers, TumorCamptothecinCetuximabColorectal NeoplasmsDNA Mutational AnalysisErbB ReceptorsFemaleGene AmplificationGenes, p53HumansIrinotecanMaleMiddle AgedMutationRas ProteinsConceptsCombination biologic therapyMetastatic colorectal cancerIrinotecan-refractory colorectal cancerRefractory colorectal cancerColorectal cancerEGFR gene amplificationBiologic therapyKRAS mutationsIrinotecan-refractory metastatic colorectal cancerRefractory metastatic colorectal cancerCombination Targeted TherapyGene amplificationPhase II trialEGFR copy numberII trialPredictive biomarkersPredictive markerTargeted therapyTreatment responseBRAF mutationsBevacizumabPatientsCetuximabTumor tissueTherapyColorectal cancer in the very young: a comparative study of tumor markers, pathology and survival in early onset and adult onset patients
Khan SA, Morris M, Idrees K, Gimbel MI, Rosenberg S, Zeng Z, Li F, Gan G, Shia J, LaQuaglia MP, Paty PB. Colorectal cancer in the very young: a comparative study of tumor markers, pathology and survival in early onset and adult onset patients. Journal Of Pediatric Surgery 2016, 51: 1812-1817. PMID: 27558481, PMCID: PMC5312708, DOI: 10.1016/j.jpedsurg.2016.07.015.Peer-Reviewed Original ResearchMeSH KeywordsAdaptor Proteins, Signal TransducingAdolescentAdultAge of OnsetAgedAged, 80 and overBiomarkers, TumorChildColorectal NeoplasmsDNA Mismatch RepairDNA Mutational AnalysisDNA, NeoplasmFemaleHumansMaleMicrosatellite InstabilityMiddle AgedMutationNeoplasm StagingRetrospective StudiesSurvival RateUnited StatesYoung AdultConceptsOnset colorectal cancerEarly-onset colorectal cancerAdult-onset patientsColorectal cancerEarly age onsetPoor prognosisMicrosatellite instabilityOnset patientsClinical dataEarly-age onset colorectal cancerMLH1/PMS2 lossAdult colorectal cancerAdult CRC patientsAdvanced stage presentationMismatch repair expressionHigh-grade cancerAge 30 yearsSpecific genetic subtypesCRC patientsFavorable survivalPMS2 lossGrade cancerBRAF mutationsTumor markersBRAFV600E mutation
2015
Pancreaticoduodenectomy for locally advanced colon cancer in hereditary nonpolyposis colorectal cancer
Zhu R, Grisotti G, Salem RR, Khan SA. Pancreaticoduodenectomy for locally advanced colon cancer in hereditary nonpolyposis colorectal cancer. World Journal Of Surgical Oncology 2015, 14: 12. PMID: 26769110, PMCID: PMC4714509, DOI: 10.1186/s12957-015-0755-7.Peer-Reviewed Original ResearchConceptsNonpolyposis colorectal cancerHereditary nonpolyposis colorectal cancerAdvanced colon cancerColorectal cancerColon cancerBetter long-term outcomesMulti-visceral resectionAdvanced colorectal cancerEarly-stage diseaseRare clinical entityLong-term outcomesSpecial surgical considerationsPaucity of dataAdvanced diseaseStage diseaseMultidisciplinary treatmentSubtotal colectomyPartial colectomyCase presentationWeClinical entitySurgical considerationsLynch syndromeCancerColectomyPancreaticoduodenectomy
2010
Improved Testing for Microsatellite Instability in Colorectal Cancer Using a Simplified 3-Marker Assay
Esemuede I, Forslund A, Khan SA, Qin LX, Gimbel MI, Nash GM, Zeng Z, Rosenberg S, Shia J, Barany F, Paty PB. Improved Testing for Microsatellite Instability in Colorectal Cancer Using a Simplified 3-Marker Assay. Annals Of Surgical Oncology 2010, 17: 3370-3378. PMID: 20703819, PMCID: PMC3269820, DOI: 10.1245/s10434-010-1147-4.Peer-Reviewed Original ResearchMeSH KeywordsAdenocarcinomaAdolescentAdultAgedAged, 80 and overBiological AssayBiomarkers, TumorColorectal NeoplasmsComparative Genomic HybridizationDNA RepairDNA Repair EnzymesFemaleFollow-Up StudiesGenetic TestingGerm-Line MutationHumansLymphatic MetastasisMaleMicrosatellite InstabilityMicrosatellite RepeatsMiddle AgedOligonucleotide Array Sequence AnalysisPrognosisProspective StudiesSurvival RateYoung AdultConceptsHereditary nonpolyposis colorectal cancerColorectal cancerMicrosatellite instabilityMSI testingMSI tumorsMismatch repair protein lossBackgroundIn colorectal cancerDisease-specific survivalPredictive scoring systemNonpolyposis colorectal cancerMore BRAF mutationsDefective DNA mismatch repairNCI criteriaFavorable prognosisFavorable survivalKRAS mutationsBRAF mutationsMSI statusDistinct phenotypic propertiesScoring systemCancerValuable markerMSS cancersMethodsDNA samplesProtein lossLoss of imprinting and marked gene elevation are 2 forms of aberrant IGF2 expression in colorectal cancer
Cheng Y, Idrees K, Shattock R, Khan SA, Zeng Z, Brennan CW, Paty P, Barany F. Loss of imprinting and marked gene elevation are 2 forms of aberrant IGF2 expression in colorectal cancer. International Journal Of Cancer 2010, 127: 568-577. PMID: 19957330, PMCID: PMC3270092, DOI: 10.1002/ijc.25086.Peer-Reviewed Original ResearchConceptsInsulin-like growth factor 2IGF2 LOIColorectal cancerLoss of imprintingPrimary colorectal cancerIGF2 expressionNormal colorectal tissuesPrimary CRC tumorsSignificant correlationGrowth factor 2CRC tumorigenesisCRC tumorsIGF2 levelsColorectal tissuesIGF2 overexpressionH19 methylationHuman malignanciesMicrosatellite instabilityExpression correlatesNormal tissuesH19 hypomethylationCancerCommon eventAberrant gene expressionFactor 2
2008
CpG Island Methylator Phenotype Associates with Low-Degree Chromosomal Abnormalities in Colorectal Cancer
Cheng YW, Pincas H, Bacolod MD, Schemmann G, Giardina SF, Huang J, Barral S, Idrees K, Khan SA, Zeng Z, Rosenberg S, Notterman DA, Ott J, Paty P, Barany F. CpG Island Methylator Phenotype Associates with Low-Degree Chromosomal Abnormalities in Colorectal Cancer. Clinical Cancer Research 2008, 14: 6005-6013. PMID: 18829479, PMCID: PMC3268558, DOI: 10.1158/1078-0432.ccr-08-0216.Peer-Reviewed Original ResearchConceptsCpG island methylator phenotypeColorectal cancerChromosomal aberrationsLigase detection reactionMicrosatellite instabilityRight-side colonPrimary colorectal cancerColorectal cancer developmentSporadic colorectal cancerSame study cohortCIMP-positive tumorsChromosomal instabilityStudy cohortAberrant promoter methylationPrimary tumorNormal mucosaBRAF mutationsIndependent markerPhenotype associatesDegree of aneuploidyBRAF mutation V600ETumor progressionIndependent molecular mechanismsCancerCancer development