2022
Survival of nonseminomatous germ cell tumors in pediatric patients and young adults – A stage group stratified analysis
Srivastava A, Patel H, Koehne E, Gupta G, Drachtman R, Pierorazio P, Bagrodia A, Elsamra S, Kim I, Ghodoussipour S, Singer E, Jang T, Patel H, Barone J. Survival of nonseminomatous germ cell tumors in pediatric patients and young adults – A stage group stratified analysis. Urologic Oncology Seminars And Original Investigations 2022, 40: 169.e1-169.e12. PMID: 35144865, PMCID: PMC8960351, DOI: 10.1016/j.urolonc.2021.12.012.Peer-Reviewed Original ResearchConceptsNonseminomatous germ cell tumorsCancer-specific survivalGerm cell tumorsCell tumorsStage groupPediatric patientsAdolescent patientsYoung adultsStage IAdvanced nonseminomatous germ cell tumorsSurvival analysisAge groupsWorse cancer-specific survivalCox proportional hazards modelTesticular germ cell tumorsEnd Results (SEER) databaseExcellent survival outcomesStage III tumorsExcellent oncologic outcomesImportant prognostic factorKaplan-Meier curvesCommon solid malignancyProportional hazards modelNSGCT patientsOncologic outcomes
2021
Marginal improvement in survival among patients diagnosed with metastatic prostate cancer in the second‐line antiandrogen therapy era
Kim I, Jang T, Kim S, Lee D, Kim D, Singer E, Ghodoussipour S, Stein M, Aron M, Dall’Era M, Kim I. Marginal improvement in survival among patients diagnosed with metastatic prostate cancer in the second‐line antiandrogen therapy era. Cancer Medicine 2021, 10: 7909-7920. PMID: 34713977, PMCID: PMC8607264, DOI: 10.1002/cam4.4074.Peer-Reviewed Original ResearchConceptsMetastatic prostate cancerMetastatic prostate cancer patientsProstate cancer patientsProstate cancerCancer patientsSecond-line antiandrogen therapyProstate cancer-specific survivalCancer-specific survivalNew treatment agentsTherapy eraVisceral metastasesAntiandrogen therapySEER databaseSurvival benefitSurvival outcomesPatientsCancerSurvivalTreatment agentsMenMetastasisTherapyMonthsCollagen type VI-α1 and 2 repress the proliferation, migration and invasion of bladder cancer cells
Piao X, Hwang B, Jeong P, Byun Y, Kang H, Seo S, Kim W, Lee J, Ha Y, Lee Y, Kim I, Choi Y, Cha E, Moon S, Yun S, Kim W. Collagen type VI-α1 and 2 repress the proliferation, migration and invasion of bladder cancer cells. International Journal Of Oncology 2021, 59: 37. PMID: 33982770, DOI: 10.3892/ijo.2021.5217.Peer-Reviewed Original ResearchMeSH KeywordsAdultAgedAged, 80 and overCell Line, TumorCell MovementCell ProliferationCollagen Type VIG1 Phase Cell Cycle CheckpointsGene Expression Regulation, NeoplasticHumansMiddle AgedP38 Mitogen-Activated Protein KinasesPhosphorylationProto-Oncogene Proteins c-aktSignal TransductionTranscription FactorsUrinary Bladder NeoplasmsConceptsNon-muscle invasive BCaExtracellular matrixMRNA expressionEJ cellsBladder cancer microenvironmentTissue samplesHeterogeneous tumor cell populationsCell cycle arrestReverse transcription-quantitative PCRTumor-suppressive effectsBladder cancer cellsP38 MAPK phosphorylationTranscription-quantitative PCRCollagen typesRisk stratificationInvasive BCaTumor infiltrationTumor cell populationBCa pathogenesisMMP-9MAPK phosphorylationAkt phosphorylationCycle arrestNormal controlsMatrix metalloproteinase
2019
Similar incidence of DNA damage response pathway alterations between clinically localized and metastatic prostate cancer
Kim I, Kim S, Srivastava A, Saraiya B, Mayer T, Kim W, Kim I. Similar incidence of DNA damage response pathway alterations between clinically localized and metastatic prostate cancer. BMC Urology 2019, 19: 33. PMID: 31060606, PMCID: PMC6501301, DOI: 10.1186/s12894-019-0453-9.Peer-Reviewed Original ResearchConceptsCastration-resistant prostate cancerDDR pathway alterationProstate cancerPathway alterationsMetastatic castration-resistant prostate cancerSerum prostate-specific antigenHigh-risk diseaseMetastatic prostate cancerLower overall survivalPathway gene mutationsProstate-specific antigenPotential therapeutic targetUnited States National Cancer InstituteNational Cancer InstituteCRPC patientsCancer Genome AtlasOverall survivalSimilar incidenceTumor stageUnivariate analysisCancer InstituteTherapeutic targetSpecific antigenPARP inhibitorsPathway status
2016
Accuracy of Multiparametric Magnetic Resonance Imaging for Extracapsular Extension of Prostate Cancer in Community Practice
Davis R, Salmasi A, Koprowski C, Kim S, Kwon Y, Faiena I, Patel N, Elsamra S, Kim I. Accuracy of Multiparametric Magnetic Resonance Imaging for Extracapsular Extension of Prostate Cancer in Community Practice. Clinical Genitourinary Cancer 2016, 14: e617-e622. PMID: 27188968, DOI: 10.1016/j.clgc.2016.04.010.Peer-Reviewed Original ResearchConceptsExtracapsular extensionProstate cancerRadical prostatectomyMp-MRINegative predictive valuePositive predictive valuePredictive valuePartin tablesMultiparametric magnetic resonance imagingNerve-sparing approachPreoperative mp-MRID'Amico risk groupsLarge referral centerHigh-risk groupDatabase of menMagnetic resonance imagingReferral centerStaging modalitiesD'Amico criteriaFusion biopsyOverall prevalenceRisk groupsMultiparametric MRISurgeon's decisionResonance imaging
2015
Regional Cost Variations of Robot-Assisted Radical Prostatectomy Compared With Open Radical Prostatectomy
Faiena I, Dombrovskiy V, Modi P, Patel N, Patel R, Salmasi A, Parihar J, Singer E, Kim I. Regional Cost Variations of Robot-Assisted Radical Prostatectomy Compared With Open Radical Prostatectomy. Clinical Genitourinary Cancer 2015, 13: 447-452. PMID: 26065923, PMCID: PMC5176017, DOI: 10.1016/j.clgc.2015.05.004.Peer-Reviewed Original ResearchIncreased Expression of Androgen Receptor mRNA in Human Renal Cell Carcinoma Cells is Associated with Poor Prognosis in Patients with Localized Renal Cell Carcinoma
Ha Y, Lee G, Modi P, Kwon Y, Ahn H, Kim W, Kim I. Increased Expression of Androgen Receptor mRNA in Human Renal Cell Carcinoma Cells is Associated with Poor Prognosis in Patients with Localized Renal Cell Carcinoma. Journal Of Urology 2015, 194: 1441-1448. PMID: 25796113, DOI: 10.1016/j.juro.2015.03.078.Peer-Reviewed Original ResearchMeSH KeywordsAdultAgedAged, 80 and overBiomarkers, TumorBlotting, WesternCarcinoma, Renal CellCell Line, TumorDisease ProgressionFemaleFollow-Up StudiesGene Expression Regulation, NeoplasticHumansKidney NeoplasmsMaleMiddle AgedNeoplasm StagingPrognosisReal-Time Polymerase Chain ReactionReceptors, AndrogenRetrospective StudiesRNA, NeoplasmTime FactorsYoung AdultConceptsRenal cell carcinomaAndrogen receptor mRNA expressionReceptor mRNA expression levelsCancer-specific survivalCell carcinomaCell carcinoma cell linesReceptor mRNA expressionHuman renal cell carcinoma cell linesRenal cell carcinoma cell linesAndrogen receptorMRNA expression levelsSpecific survivalCarcinoma cell linesMultivariate Cox regression analysisLocalized Renal Cell CarcinomaMRNA expressionT2 renal cell carcinomaCell linesPathological stage T1Androgen receptor expressionCox regression analysisKaplan-Meier estimatesReceptor-positive cell linesChain reactionPositive renal cell carcinomas
2014
Decreased selenium-binding protein 1 mRNA expression is associated with poor prognosis in renal cell carcinoma
Ha Y, Lee G, Kim Y, Kwon S, Choi S, Kim T, Kwon T, Yun S, Kim I, Kim W. Decreased selenium-binding protein 1 mRNA expression is associated with poor prognosis in renal cell carcinoma. World Journal Of Surgical Oncology 2014, 12: 288. PMID: 25227434, PMCID: PMC4176564, DOI: 10.1186/1477-7819-12-288.Peer-Reviewed Original ResearchAdultAgedAged, 80 and overBiomarkers, TumorCarcinoma, PapillaryCarcinoma, Renal CellCase-Control StudiesFemaleFollow-Up StudiesHumansKidney NeoplasmsMaleMiddle AgedNeoplasm GradingNeoplasm StagingPrognosisReal-Time Polymerase Chain ReactionReverse Transcriptase Polymerase Chain ReactionRNA, MessengerSelenium-Binding ProteinsSurvival RateYoung AdultConcern for overtreatment using the AUA/ASTRO guideline on adjuvant radiotherapy after radical prostatectomy
Kang J, Ha Y, Kim S, Yu J, Patel N, Parihar J, Salmasi A, Kim W, Kim I. Concern for overtreatment using the AUA/ASTRO guideline on adjuvant radiotherapy after radical prostatectomy. BMC Urology 2014, 14: 30. PMID: 24708639, PMCID: PMC4005471, DOI: 10.1186/1471-2490-14-30.Peer-Reviewed Original ResearchConceptsAdjuvant radiotherapyRadical prostatectomyAmerican Urological AssociationSalvage radiotherapyASTRO guidelineBiochemical progression-free survivalLocal recurrence-free survivalCox proportional hazards analysisNeoadjuvant hormonal therapyPre-operative PSAUndetectable PSA levelsProgression-free survivalPositive surgical marginsProportional hazards analysisRecurrence-free survivalMultivariate Cox analysisRadiation Oncology guidelinesSeminal vesicle invasionOutcomes of observationPathologic GSPT2-3Adjuvant treatmentHormonal therapyFree survivalPSA levelsNovel Combination Markers for Predicting Survival in Patients with Muscle Invasive Bladder Cancer: USP18 and DGCR2
Kim Y, Kim W, Jeong P, Ha Y, Kang H, Yun S, Moon S, Choi Y, Kim I, Kim W. Novel Combination Markers for Predicting Survival in Patients with Muscle Invasive Bladder Cancer: USP18 and DGCR2. Journal Of Korean Medical Science 2014, 29: 351-356. PMID: 24616583, PMCID: PMC3945129, DOI: 10.3346/jkms.2014.29.3.351.Peer-Reviewed Original ResearchMeSH KeywordsAdultAgedAged, 80 and overBiomarkersCarrier ProteinsEndopeptidasesFemaleGene Expression ProfilingHumansKaplan-Meier EstimateMaleMiddle AgedMuscle NeoplasmsNeoplasm InvasivenessNeoplasm StagingPlatelet Glycoprotein GPIb-IX ComplexPredictive Value of TestsRegression AnalysisRisk FactorsROC CurveUbiquitin ThiolesteraseUrinary Bladder NeoplasmsConceptsCancer-specific survivalCancer-specific deathBladder cancer patientsHigh expression groupExpression of USP18MIBC patientsCancer patientsExpression groupMuscle-invasive bladder cancer patientsCancer-specific survival ratesInvasive bladder cancer patientsMuscle-invasive bladder cancerLonger cancer-specific survivalMultivariate Cox regression analysisCox regression analysisInvasive bladder cancerSignificant risk factorsReliable prognostic markersMRNA expression levelsSurvival-related genesOverall survivalValidation cohortOriginal cohortLonger survivalPredicting SurvivalDHCR24 is an Independent Predictor of Progression in Patients with Non-Muscle-Invasive Urothelial Carcinoma, and Its Functional Role is Involved in the Aggressive Properties of Urothelial Carcinoma Cells
Lee G, Ha Y, Jung Y, Moon S, Kang H, Lee O, Joung J, Choi Y, Yun S, Kim W, Kim I. DHCR24 is an Independent Predictor of Progression in Patients with Non-Muscle-Invasive Urothelial Carcinoma, and Its Functional Role is Involved in the Aggressive Properties of Urothelial Carcinoma Cells. Annals Of Surgical Oncology 2014, 21: 538-545. PMID: 24562935, DOI: 10.1245/s10434-014-3560-6.Peer-Reviewed Original ResearchMeSH KeywordsAdultAgedAged, 80 and overAndrostenesCarcinomaCell AdhesionCell Line, TumorCell MovementCell ProliferationCell SurvivalDisease ProgressionDisease-Free SurvivalFemaleGene ExpressionGene Knockdown TechniquesHumansMaleMiddle AgedNeoplasm InvasivenessNerve Tissue ProteinsOxidoreductases Acting on CH-CH Group DonorsRNA, MessengerUrinary Bladder NeoplasmsYoung AdultConceptsUrothelial carcinoma cellsMRNA expression levelsIndependent predictorsUrothelial carcinomaImmunohistochemical stainingNon-muscle invasive urothelial carcinomaMultivariate Cox regression analysisCarcinoma cellsHuman UC cellsCox regression analysisKaplan-Meier estimatesInvasive urothelial carcinomaAggressive propertiesHuman urothelial carcinoma cellsExpression levelsProgression-related genesDHCR24 expressionExpression groupFunctional roleClinical relevanceGene signaturePatientsUC cellsProgressionHigh gradeProstate cancer bone metastases acquire resistance to androgen deprivation via WNT5A-mediated BMP-6 induction
Lee G, Kang D, Ha Y, Jung Y, Chung J, Min K, Kim T, Moon K, Chung J, Lee D, Kim W, Kim I. Prostate cancer bone metastases acquire resistance to androgen deprivation via WNT5A-mediated BMP-6 induction. British Journal Of Cancer 2014, 110: 1634-1644. PMID: 24518599, PMCID: PMC3960605, DOI: 10.1038/bjc.2014.23.Peer-Reviewed Original ResearchMeSH KeywordsAdultAndrogen AntagonistsAnilidesBone Morphogenetic Protein 6Bone NeoplasmsCell CommunicationCell Growth ProcessesCell Line, TumorHumansMaleMiddle AgedNeoplasm MetastasisNitrilesOrchiectomyProstatic Neoplasms, Castration-ResistantProto-Oncogene ProteinsReceptors, AndrogenRetrospective StudiesStromal CellsTosyl CompoundsWnt ProteinsWnt-5a ProteinConceptsCastration-resistant prostate cancerBone stromal cellsBone metastasesBone morphogenetic protein 6Castration resistanceCaP cell linesStromal cellsProstate cancerPrimary androgen deprivation therapyProstate-specific antigen progressionProstate cancer bone metastasisAndrogen-deprived mediumBone-tumor interactionAndrogen deprivation therapyFirst-line therapyCancer bone metastasisMetastatic prostate cancerAbsence of androgenAndrogen-depleted conditionsNF-κB pathwayCell linesPolymerase chain reaction arrayBMP-6 expressionAdvanced CaPDeprivation therapyThe predictive value of polymorphisms in predicting the early response to induction BCG therapy in patients with non–muscle invasive bladder cancer
Kang H, Tchey D, Yan C, Kim W, Kim Y, Yun S, Lee S, Choi Y, Kim I, Kim W. The predictive value of polymorphisms in predicting the early response to induction BCG therapy in patients with non–muscle invasive bladder cancer. Urologic Oncology Seminars And Original Investigations 2014, 32: 458-465. PMID: 24411789, DOI: 10.1016/j.urolonc.2013.10.013.Peer-Reviewed Original ResearchMeSH KeywordsAdultAgedAged, 80 and overBCG VaccineCarcinoma, Transitional CellFemaleFollow-Up StudiesGenotypeGlutathione TransferaseHumansMaleMiddle AgedNeoplasm GradingNeoplasm InvasivenessNeoplasm Recurrence, LocalNeoplasm StagingPolymerase Chain ReactionPolymorphism, GeneticPrognosisRisk FactorsSmokingSurvival RateUrinary Bladder NeoplasmsConceptsNon-muscle invasive bladder cancerGSTT1-positive genotypeInvasive bladder cancerPrimary non-muscle invasive bladder cancerBCG failureBladder cancerPredictive valueInduction therapyIndependent predictorsHigh riskBacillus Calmette-Guérin induction therapyNull genotypeMultivariate logistic regression analysisMultivariate logistic regression modelBCG induction therapyInduction BCG therapySingle induction courseDisease-free survivalGlutathione S-transferase muKaplan-Meier analysisHigh-risk groupKaplan-Meier estimatesEarly responseLogistic regression analysisGSTT1 null genotype
2013
Comprehensive Analysis of Sexual Function Outcome in Prostate Cancer Patients After Robot-Assisted Radical Prostatectomy
Woo S, Kang D, Ha Y, Salmasi A, Kim J, Lee D, Kim W, Kim I. Comprehensive Analysis of Sexual Function Outcome in Prostate Cancer Patients After Robot-Assisted Radical Prostatectomy. Journal Of Endourology 2013, 28: 172-177. PMID: 23987521, DOI: 10.1089/end.2013.0304.Peer-Reviewed Original ResearchConceptsRobot-assisted radical prostatectomyPotency ratesNeurovascular bundleRadical prostatectomyPotency recoveryBilateral preservationYounger ageOverall potencyPhosphodiesterase type 5 inhibitorsBaseline erectile functionPreoperative potency statusSexual Health InventoryDatabase of patientsType 5 inhibitorsFunction 12 monthsProstate cancer patientsRecovery of potencySexual function outcomesPDE-5 inhibitorsOverall potency rateMultivariate regression analysisPotency statusPreoperative potencyErectile functionIndependent predictorsUse of a Hyaluronic Acid-Carboxymethylcellulose Adhesion Barrier on the Neurovascular Bundle and Prostatic Bed to Facilitate Earlier Recovery of Erectile Function After Robot-Assisted Prostatectomy: An Initial Experience
Joung J, Ha Y, Singer E, Ercolani M, Favaretto R, Lee D, Kim W, Lee K, Kim I. Use of a Hyaluronic Acid-Carboxymethylcellulose Adhesion Barrier on the Neurovascular Bundle and Prostatic Bed to Facilitate Earlier Recovery of Erectile Function After Robot-Assisted Prostatectomy: An Initial Experience. Journal Of Endourology 2013, 27: 1230-1235. PMID: 23879531, PMCID: PMC3787401, DOI: 10.1089/end.2013.0345.Peer-Reviewed Original ResearchConceptsRobot-assisted radical prostatectomyErectile functionNeurovascular bundleEF recoveryEarly recoveryPerioperative complicationsIndependent predictorsRadical prostatectomyGroup 2Group 1Initial experienceBilateral nerve-sparing techniqueNerve-sparing robot-assisted radical prostatectomyEF recovery ratesPreoperative IIEF-5Preoperative International IndexPreoperative sexual functionNerve-sparing techniqueRobot-Assisted ProstatectomyIIEF-5Consecutive patientsProstatic bedSurgical outcomesProstate removalSexual functionFactors related to patient-perceived satisfaction after robot-assisted radical prostatectomy based on the expanded prostate cancer index composite survey
Kim J, Ha Y, Jeong S, Kim S, Kim W, Jang T, Kim I. Factors related to patient-perceived satisfaction after robot-assisted radical prostatectomy based on the expanded prostate cancer index composite survey. Prostate Cancer And Prostatic Diseases 2013, 16: 341-345. PMID: 23917307, PMCID: PMC5767467, DOI: 10.1038/pcan.2013.24.Peer-Reviewed Original ResearchConceptsRobot-assisted radical prostatectomyPatient-perceived satisfactionProstate Cancer Index Composite surveyUrinary botherEPIC scoresRadical prostatectomyIndependent factorsLongitudinal changesOverall satisfactionEPIC questionnaireProstate cancerSame patientGroup 1Optimal managementPatientsRecovery periodLinear mixed modelsProstatectomyComposite surveyMonthsDomain subscalesMenScoresMixed modelsGroupHOXA9, ISL1 and ALDH1A3 methylation patterns as prognostic markers for nonmuscle invasive bladder cancer: Array‐based DNA methylation and expression profiling
Kim Y, Yoon H, Kim J, Kang H, Min B, Kim S, Ha Y, Kim I, Ryu K, Lee S, Kim W. HOXA9, ISL1 and ALDH1A3 methylation patterns as prognostic markers for nonmuscle invasive bladder cancer: Array‐based DNA methylation and expression profiling. International Journal Of Cancer 2013, 133: 1135-1142. PMID: 23436614, DOI: 10.1002/ijc.28121.Peer-Reviewed Original ResearchConceptsISL LIM homeobox 1Novel methylation markersDNA methylationNonmuscle invasive bladder cancerMethylation patternsHomeobox A9DNA methylation patternsInvasive bladder cancerDecreased gene expression levelsLIM homeobox 1RNA expression patternsGene expression profilesAldehyde dehydrogenase 1 familyGene expression levelsMethylation markersNMIBC patientsDisease recurrenceBladder cancerExpression profilingExpression patternsExpression profilesMicroarray analysisNormal controlsPyrosequencing analysisHomeobox 1Increased Incidence of Pathologically Nonorgan Confined Prostate Cancer in African-American Men Eligible for Active Surveillance
Ha Y, Salmasi A, Karellas M, Singer E, Kim J, Han M, Partin A, Kim W, Lee D, Kim I. Increased Incidence of Pathologically Nonorgan Confined Prostate Cancer in African-American Men Eligible for Active Surveillance. Urology 2013, 81: 831-836. PMID: 23465143, PMCID: PMC3978180, DOI: 10.1016/j.urology.2012.12.046.Peer-Reviewed Original ResearchConceptsNational Comprehensive Cancer NetworkAA menRadical prostatectomyActive surveillanceProstate cancerNCCN criteriaBiopsy coresAS criteriaAS inclusion criteriaFinal surgical pathologyComprehensive Cancer NetworkPositive biopsy coresDatabase of menWorse clinicopathological featuresAfrican American menPathological upstagingAdvanced diseaseIndependent predictorsPathologic characteristicsClinicopathological featuresPreoperative PSAClinicopathologic findingsWA patientsInclusion criteriaPositive coresImpact of Robot-assisted Radical Prostatectomy on Lower Urinary Tract Symptoms and Predictive Factors for Symptom Changes: A Longitudinal Study
Kim J, Ha Y, Jeong S, Lee D, Kim W, Kim I. Impact of Robot-assisted Radical Prostatectomy on Lower Urinary Tract Symptoms and Predictive Factors for Symptom Changes: A Longitudinal Study. Urology 2013, 81: 787-793. PMID: 23434100, DOI: 10.1016/j.urology.2012.12.038.Peer-Reviewed Original ResearchConceptsAmerican Urological Association symptom scoreLower urinary tract symptomsRobot-assisted radical prostatectomyBody mass indexMild lower urinary tract symptomsSevere lower urinary tract symptomsUrinary tract symptomsUrinary continenceStorage symptomsTract symptomsRadical prostatectomyIncreased Body Mass IndexHigher body mass indexLower body mass indexMultivariate logistic regression analysisGood symptomatic improvementSevere LUTS groupImmediate postoperative settingLogistic regression analysisLack of improvementLUTS groupMild vsPostoperative settingSymptomatic improvementMass index
2012
Downregulation of Fumarate Hydratase Is Related to Tumorigenesis in Sporadic Renal Cell Cancer
Ha Y, Chihara Y, Yoon H, Kim Y, Kim T, Woo S, Yun S, Kim I, Hirao Y, Kim W. Downregulation of Fumarate Hydratase Is Related to Tumorigenesis in Sporadic Renal Cell Cancer. Urologia Internationalis 2012, 90: 233-239. PMID: 23295344, DOI: 10.1159/000345608.Peer-Reviewed Original ResearchConceptsKidney tissueRenal cell cancer syndromeFumarate hydrataseSporadic renal cell cancerMRNA levelsRenal cell cancerNormal renal parenchymaSporadic RCCReal-time quantitative polymerase chain reactionQuantitative polymerase chain reactionClinical characteristicsCell cancerPolymerase chain reactionRenal parenchymaHereditary leiomyomatosisClinical significanceImmunohistochemical stainingPrimary RCCTumor specimensRCC tissuesCancer syndromesClinical implicationsTumor tissueMRNA expressionGermline mutations