2024
High ambient temperature in pregnancy and risk of childhood acute lymphoblastic leukaemia: an observational study
Rogne T, Wang R, Wang P, Deziel N, Metayer C, Wiemels J, Chen K, Warren J, Ma X. High ambient temperature in pregnancy and risk of childhood acute lymphoblastic leukaemia: an observational study. The Lancet Planetary Health 2024, 8: e506-e514. PMID: 38969477, PMCID: PMC11260908, DOI: 10.1016/s2542-5196(24)00121-9.Peer-Reviewed Original ResearchConceptsRisk of childhood acute lymphoblastic leukemiaChildhood acute lymphoblastic leukemiaAcute lymphoblastic leukemiaLymphoblastic leukemiaLatino childrenNon-Latino white childrenAssociated with risk of adverse pregnancy outcomesCalifornia Cancer RegistryRisk of acute lymphoblastic leukemiaCalifornia birth recordsRisk of adverse pregnancy outcomesPre-pregnancy periodAssociated with riskBayesian meta-regressionNational Institutes of HealthCancer RegistryCases of childhood acute lymphoblastic leukemiaNational Center for Advancing Translational SciencesAdverse pregnancy outcomesAcute lymphoblastic leukemia casesInstitutes of HealthInvestigation of mechanistic pathwaysBirth recordsGestational weeks 8Pre-pregnancy
2023
Outdoor artificial light at night, air pollution, and risk of childhood acute lymphoblastic leukemia in the California Linkage Study of Early-Onset Cancers
Zhong C, Wang R, Morimoto L, Longcore T, Franklin M, Rogne T, Metayer C, Wiemels J, Ma X. Outdoor artificial light at night, air pollution, and risk of childhood acute lymphoblastic leukemia in the California Linkage Study of Early-Onset Cancers. Scientific Reports 2023, 13: 583. PMID: 36631468, PMCID: PMC9834257, DOI: 10.1038/s41598-022-23682-z.Peer-Reviewed Original ResearchConceptsAcute lymphoblastic leukemiaRisk of childhoodEarly-onset cancersLymphoblastic leukemiaBirth recordsChildhood acute lymphoblastic leukemiaNon-Hispanic white childrenHispanic childrenCalifornia Cancer RegistryEtiology of childhoodOutdoor artificial lightOutdoor ALANHighest tertileCancer RegistryLinkage studiesRisk factorsBorderline associationElevated riskCancer diagnosisCancerEnvironmental exposuresWhite childrenCommon typeAir pollutionRisk
2022
Hemoglobin normalization outperforms other methods for standardizing dried blood spot metabolomics: A comparative study
Jain A, Morris M, Lin EZ, Khan SA, Ma X, Deziel NC, Godri Pollitt KJ, Johnson CH. Hemoglobin normalization outperforms other methods for standardizing dried blood spot metabolomics: A comparative study. The Science Of The Total Environment 2022, 854: 158716. PMID: 36113793, DOI: 10.1016/j.scitotenv.2022.158716.Peer-Reviewed Original ResearchHispanic Ethnicity Differences in Birth Characteristics, Maternal Birthplace, and Risk of Early-Onset Hodgkin Lymphoma: A Population-Based Case–Control Study
Graham C, Metayer C, Morimoto LM, Wiemels JL, Siddique A, Di M, Rodwin RL, Kadan-Lottick NS, Ma X, Wang R. Hispanic Ethnicity Differences in Birth Characteristics, Maternal Birthplace, and Risk of Early-Onset Hodgkin Lymphoma: A Population-Based Case–Control Study. Cancer Epidemiology Biomarkers & Prevention 2022, 31: 1788-1795. PMID: 35709749, PMCID: PMC9444874, DOI: 10.1158/1055-9965.epi-22-0335.Peer-Reviewed Original ResearchConceptsNon-Hispanic whitesHodgkin's lymphomaCase-control studyBirth characteristicsMaternal birthplaceMaternal agePopulation-based case-control studyMultivariable logistic regression modelConfidence intervalsEthnic differencesEarly-onset cancersPotential ethnic differencesForeign-born mothersLogistic regression modelsEthnicity differencesRace/ethnicityYear of birthLymphomaPaternal ageFemale HispanicsHispanic casesMale HispanicsHodgkinAgeRiskPhysical Therapy Utilization Among Hospitalized Patients With Pediatric Acute Lymphoblastic Leukemia
Rodwin RL, Ma X, Ness KK, Kadan-Lottick NS, Wang R. Physical Therapy Utilization Among Hospitalized Patients With Pediatric Acute Lymphoblastic Leukemia. JCO Oncology Practice 2022, 18: e1060-e1068. PMID: 35427182, PMCID: PMC9287366, DOI: 10.1200/op.21.00796.Peer-Reviewed Original ResearchConceptsAcute lymphoblastic leukemiaPediatric acute lymphoblastic leukemiaPhysical therapyPhysical functionLymphoblastic leukemiaNeuromuscular conditionsImpaired physical functionPhysical therapy utilizationPremier Healthcare DatabasePediatric hematologists/oncologistsEarly physical therapyInpatient physical therapyHematologists/oncologistsLong-term healthCohort studyFirst hospitalizationMultivariable analysisTherapy utilizationClinical variablesTeaching hospitalHealthcare databasesPatientsAddress disparitiesHospitalAge 10
2021
Mode of Delivery, Birth Characteristics and Early-Onset Non-Hodgkin Lymphoma in a Population-Based Case-Control Study
Dwyer KE, Wang R, Cozen W, Cartmel B, Wiemels JL, Morimoto LM, Metayer C, Ma X. Mode of Delivery, Birth Characteristics and Early-Onset Non-Hodgkin Lymphoma in a Population-Based Case-Control Study. Cancer Epidemiology Biomarkers & Prevention 2021, 30: cebp.0535.2021. PMID: 34548330, DOI: 10.1158/1055-9965.epi-21-0535.Peer-Reviewed Original ResearchConceptsNon-Hodgkin lymphomaT-cell non-Hodgkin lymphomaCase-control studyBirth characteristicsMode of deliveryYear of birthOdds ratioNHL riskUnconditional multivariable logistic regression modelsPopulation-based case-control studyCases of NHLMultivariable logistic regression modelConfidence intervalsAge of diagnosisPediatric Burkitt lymphomaLogistic regression modelsCesarean sectionHistologic subtypeDecreased riskHodgkin's lymphomaMaternal ageBurkitt's lymphomaElevated riskLower riskMaternal educationSociodemographic and hospital‐based predictors of intense end‐of‐life care among children, adolescents, and young adults with hematologic malignancies
Mun S, Wang R, Ma X, Ananth P. Sociodemographic and hospital‐based predictors of intense end‐of‐life care among children, adolescents, and young adults with hematologic malignancies. Cancer 2021, 127: 3817-3824. PMID: 34185881, PMCID: PMC8478813, DOI: 10.1002/cncr.33764.Peer-Reviewed Original ResearchConceptsHematologic malignanciesYoung adultsLife careMultivariable logistic regression modelCancer-directed treatmentPremier Healthcare DatabaseRetrospective cohort studyEmergency department visitsIntensive care unitHigh-intensity endDays of lifeMajority of childrenLogistic regression modelsIntravenous chemotherapyTracheostomy placementCohort studyDepartment visitsCare unitMechanical ventilationHospital characteristicsMultivariable modelCardiopulmonary resuscitationType of insuranceHealthcare databasesMalignancyAnalysis of Survival Among Adults With Early-Onset Colorectal Cancer in the National Cancer Database
Cheng E, Blackburn HN, Ng K, Spiegelman D, Irwin ML, Ma X, Gross CP, Tabung FK, Giovannucci EL, Kunz PL, Llor X, Billingsley K, Meyerhardt JA, Ahuja N, Fuchs CS. Analysis of Survival Among Adults With Early-Onset Colorectal Cancer in the National Cancer Database. JAMA Network Open 2021, 4: e2112539. PMID: 34132794, PMCID: PMC8209612, DOI: 10.1001/jamanetworkopen.2021.12539.Peer-Reviewed Original ResearchConceptsEarly-onset colorectal cancerOnset colorectal cancerNational Cancer DatabaseColorectal cancerAge 51Overall survivalCancer DatabaseIncidence of CRCCox proportional hazards regressionPrimary colorectal cancerKaplan-Meier analysisProportional hazards regressionAge 50 yearsAge 25 yearsAnalysis of survivalCohort studySurvival benefitHazards regressionUnadjusted analysesCancer incidenceMAIN OUTCOMEAge 35Survival advantageLower riskStage I
2020
Socioeconomic status and childhood central nervous system tumors in California
Francis SS, Wang R, Enders C, Prado I, Wiemels JL, Ma X, Metayer C. Socioeconomic status and childhood central nervous system tumors in California. Cancer Causes & Control 2020, 32: 27-39. PMID: 33113073, DOI: 10.1007/s10552-020-01348-3.Peer-Reviewed Original ResearchConceptsPrimary CNS tumorsCentral nervous system tumorsChildhood CNS tumorsCNS tumorsNervous system tumorsSocioeconomic statusSystem tumorsChildhood central nervous system tumorsCalifornia Cancer RegistryCalifornia birth recordsSubset of subjectsHigher socioeconomic statusCancer RegistryCancer mortalitySubgroup analysisRisk factorsChildhood cancerSubsequent riskEmbryonal tumorsParental socioeconomic statusInsurance utilizationBirth recordsTumorsMedian household incomeSpecific exposuresBirth Characteristics and Risk of Pediatric Thyroid Cancer: A Population-Based Record-Linkage Study in California
Deziel N, Zhang Y, Wang R, Wiemels JL, Morimoto L, Clark CJ, Metayer C, Ma X. Birth Characteristics and Risk of Pediatric Thyroid Cancer: A Population-Based Record-Linkage Study in California. Thyroid 2020, 31: 596-606. PMID: 32912083, PMCID: PMC8195873, DOI: 10.1089/thy.2020.0217.Peer-Reviewed Original ResearchMeSH KeywordsAdolescentAdultAge of OnsetBirth CertificatesBirth OrderBirth WeightCaliforniaCase-Control StudiesChildChild, PreschoolEducational StatusFemaleHispanic or LatinoHumansIncidenceInfantInfant, NewbornMaleRace FactorsRegistriesRisk AssessmentRisk FactorsSex FactorsThyroid NeoplasmsTime FactorsYoung AdultConceptsPediatric thyroid cancerHigh birth weightFollicular thyroid cancerThyroid cancerHigher birth orderBirth characteristicsRisk factorsHispanic ethnicityBirth weightOdds ratioFirst primary thyroid cancerPapillary thyroid cancer casesBirth orderMultivariable logistic regression modelSecond primary malignanciesLong-term therapyAdjusted odds ratioPopulation-based studyPrimary thyroid cancerRecord linkage studyConfidence intervalsImportant risk factorCancer registry dataCase-control studyThyroid cancer casesBirth Characteristics and Risk of Early-Onset Synovial Sarcoma
Wiemels JL, Wang R, Feng Q, Clark CJ, Amatruda JF, Rubin E, Yee AC, Morimoto LM, Metayer C, Ma X. Birth Characteristics and Risk of Early-Onset Synovial Sarcoma. Cancer Epidemiology Biomarkers & Prevention 2020, 29: 1162-1167. PMID: 32245786, PMCID: PMC7605594, DOI: 10.1158/1055-9965.epi-20-0093.Peer-Reviewed Original ResearchConceptsSynovial sarcomaBirth weightMultivariable logistic regression analysisEpidemiologic researchFurther epidemiologic researchLittle epidemiologic researchHigh birth weightSynovial sarcoma casesSiblings of patientsLogistic regression analysisBirth orderNon-Hispanic whitesYoung adult periodYear of birthElevated cancer incidencePoor outcomeBirth characteristicsPeak incidenceRare cancersRisk factorsCancer incidenceCancer casesAggressive cancerHigh riskSarcoma casesAge-, sex- and disease subtype–related foetal growth differentials in childhood acute myeloid leukaemia risk: A Childhood Leukemia International Consortium analysis
Karalexi MA, Dessypris N, Ma X, Spector LG, Marcotte E, Clavel J, Pombo-de-Oliveira MS, Heck JE, Roman E, Mueller BA, Hansen J, Auvinen A, Lee PC, Schüz J, Magnani C, Mora AM, Dockerty JD, Scheurer ME, Wang R, Bonaventure A, Kane E, Doody DR, Group N, Baka M, Moschovi M, Polychronopoulou S, Kourti M, Hatzipantelis E, Pelagiadis I, Dana H, Kantzanou M, Tzanoudaki M, Anastasiou T, Grenzelia M, Gavriilaki E, Sakellari I, Anagnostopoulos A, Kitra V, Paisiou A, Bouka E, Group F, Nikkilä A, Lohi O, Erdmann F, Kang A, Metayer C, Milne E, Petridou E. Age-, sex- and disease subtype–related foetal growth differentials in childhood acute myeloid leukaemia risk: A Childhood Leukemia International Consortium analysis. European Journal Of Cancer 2020, 130: 1-11. PMID: 32163883, DOI: 10.1016/j.ejca.2020.01.018.Peer-Reviewed Original ResearchConceptsAcute myeloid leukemiaChildhood Leukemia International ConsortiumGestational ageFoetal growthInfant boyAcute myeloid leukemia riskMyeloid leukemia riskNewborn Growth ConsortiumRare childhood cancerBirth lengthGrowth markersChildhood cancerAML subtypesAML casesMyeloid leukemiaLeukemia riskNull associationDisease subtypesInternational FetalAgeMore studiesConsortium analysisLeukemiaSexBoys
2019
Heritable variation at the chromosome 21 gene ERG is associated with acute lymphoblastic leukemia risk in children with and without Down syndrome
de Smith AJ, Walsh KM, Morimoto LM, Francis SS, Hansen HM, Jeon S, Gonseth S, Chen M, Sun H, Luna-Fineman S, Antillón F, Girón V, Kang AY, Smirnov I, Shao X, Whitehead TP, Barcellos LF, Jolly KW, Healy J, Laverdière C, Sinnett D, Taub JW, Birch JM, Thompson PD, Pombo-de-Oliveira MS, Spector LG, DeWan AT, Mueller BA, Chiang C, Metayer C, Ma X, Wiemels JL. Heritable variation at the chromosome 21 gene ERG is associated with acute lymphoblastic leukemia risk in children with and without Down syndrome. Leukemia 2019, 33: 2746-2751. PMID: 31296947, PMCID: PMC6858994, DOI: 10.1038/s41375-019-0514-9.Peer-Reviewed Original ResearchMeSH KeywordsAdolescentCaliforniaCase-Control StudiesChildChild, PreschoolChromosomes, Human, Pair 21Down SyndromeFemaleGenetic Predisposition to DiseaseGenome-Wide Association StudyGuatemalaHaplotypesHispanic or LatinoHumansInfantInfant, NewbornMalePolymorphism, Single NucleotidePrecursor Cell Lymphoblastic Leukemia-LymphomaPrincipal Component AnalysisRisk FactorsTranscriptional Regulator ERGIncreased neonatal level of arginase 2 in cases of childhood acute lymphoblastic leukemia implicates immunosuppression in the etiology
Nielsen AB, Zhou M, de Smith AJ, Wang R, McCoy L, Hansen H, Morimoto L, Grønbæk K, Johansen C, Kogan SC, Metayer C, Bracci PM, Ma X, Wiemels JL. Increased neonatal level of arginase 2 in cases of childhood acute lymphoblastic leukemia implicates immunosuppression in the etiology. Haematologica 2019, 104: e514-e516. PMID: 30923090, PMCID: PMC6821599, DOI: 10.3324/haematol.2019.216465.Peer-Reviewed Original ResearchParental age and the risk of childhood acute myeloid leukemia: results from the Childhood Leukemia International Consortium
Panagopoulou P, Skalkidou A, Marcotte E, Erdmann F, Ma X, Heck JE, Auvinen A, Mueller BA, Spector LG, Roman E, Metayer C, Magnani C, Pombo-de-Oliveira MS, Scheurer ME, Mora AM, Dockerty JD, Hansen J, Kang AY, Wang R, Doody DR, Kane E, Schüz J, Christodoulakis C, Ntzani E, Petridou ET, group F, group N. Parental age and the risk of childhood acute myeloid leukemia: results from the Childhood Leukemia International Consortium. Cancer Epidemiology 2019, 59: 158-165. PMID: 30776582, PMCID: PMC7098424, DOI: 10.1016/j.canep.2019.01.022.Peer-Reviewed Original ResearchConceptsChildhood Leukemia International ConsortiumAcute myeloid leukemiaAML riskOdds ratioMyeloid leukemiaParental ageChildhood acute myeloid leukemiaPaternal age groupsInfants of mothersConfidence intervalsAdvanced maternal ageMultiple logistic regressionPooled-effect estimatesInfant acute myeloid leukemiaMaternal smokingMultiple gestationsMaternal ageChildhood cancerAML casesAge groupsLogistic regressionStudy designAge incrementsOlder childrenAge
2018
Randomized Trial of the Impact of Empowering Childhood Cancer Survivors With Survivorship Care Plans
Kadan-Lottick NS, Ross WL, Mitchell HR, Rotatori J, Gross CP, Ma X. Randomized Trial of the Impact of Empowering Childhood Cancer Survivors With Survivorship Care Plans. Journal Of The National Cancer Institute 2018, 110: 1352-1359. PMID: 29771337, DOI: 10.1093/jnci/djy057.Peer-Reviewed Original ResearchConceptsSurvivorship care plansChildhood cancer survivorsPrimary care physiciansLate complicationsCancer survivorsSurvivorship clinicCare plansSC groupNew late complicationSurveillance testsTwo-sided statistical testsHealth care quality measuresAge 18 yearsCare quality measuresClinic attendanceCare physiciansPatient adherenceTreatment summaryTherapy surveillanceComplicationsAssignment groupCancer diagnosisAdherenceSurvivorsTrialsAdvanced parental age as risk factor for childhood acute lymphoblastic leukemia: results from studies of the Childhood Leukemia International Consortium
Petridou ET, Georgakis MK, Erdmann F, Ma X, Heck JE, Auvinen A, Mueller BA, Spector LG, Roman E, Metayer C, Magnani C, Pombo-de-Oliveira MS, Ezzat S, Scheurer ME, Mora AM, Dockerty JD, Hansen J, Kang AY, Wang R, Doody DR, Kane E, Rashed WM, Dessypris N, Schüz J, Infante-Rivard C, Skalkidou A. Advanced parental age as risk factor for childhood acute lymphoblastic leukemia: results from studies of the Childhood Leukemia International Consortium. European Journal Of Epidemiology 2018, 33: 965-976. PMID: 29761423, PMCID: PMC6384148, DOI: 10.1007/s10654-018-0402-z.Peer-Reviewed Original ResearchConceptsAcute lymphoblastic leukemiaChildhood Leukemia International ConsortiumChildhood acute lymphoblastic leukemiaCase-control studyAdvanced parental ageLymphoblastic leukemiaOdds ratioParental agePaternal ageAdvanced maternal ageSimilar positive associationPositive associationAdverse health effectsMaternal ageRisk factorsEnrollment periodStudy designAge incrementsHealth effectsFive yearsAgeUnderlying mechanismInternational ConsortiumLeukemiaRiskNeonatal Hormone Concentrations and Risk of Testicular Germ Cell Tumors (TGCT)
Morimoto LM, Zava D, McGlynn KA, Stanczyk FZ, Kang AY, Ma X, Wiemels JL, Metayer C. Neonatal Hormone Concentrations and Risk of Testicular Germ Cell Tumors (TGCT). Cancer Epidemiology Biomarkers & Prevention 2018, 27: 488-495. PMID: 29475970, PMCID: PMC5884718, DOI: 10.1158/1055-9965.epi-17-0879.Peer-Reviewed Original ResearchConceptsHormone levelsTGCT riskTesticular germ cell tumor incidencePopulation-based case-control studyNon-Hispanic white subjectsAbrupt hormonal changesTumor histologic subtypeCase-control studySex steroid hormonesEarly fetal developmentLogistic regression modelsNeonatal androgensHistologic subtypeNeonatal periodTumor incidenceAndrogen levelsHormone imbalanceHormonal changesFetal developmentAge groupsWhite subjectsSteroid hormonesBlood spotsLiquid chromatography-tandem mass spectrometryTGCTGWAS in childhood acute lymphoblastic leukemia reveals novel genetic associations at chromosomes 17q12 and 8q24.21
Wiemels JL, Walsh KM, de Smith AJ, Metayer C, Gonseth S, Hansen HM, Francis SS, Ojha J, Smirnov I, Barcellos L, Xiao X, Morimoto L, McKean-Cowdin R, Wang R, Yu H, Hoh J, DeWan AT, Ma X. GWAS in childhood acute lymphoblastic leukemia reveals novel genetic associations at chromosomes 17q12 and 8q24.21. Nature Communications 2018, 9: 286. PMID: 29348612, PMCID: PMC5773513, DOI: 10.1038/s41467-017-02596-9.Peer-Reviewed Original ResearchMeSH KeywordsAdolescentCaliforniaChild, PreschoolChromosomes, Human, Pair 17Chromosomes, Human, Pair 8FemaleGene FrequencyGenetic Predisposition to DiseaseGenome-Wide Association StudyHispanic or LatinoHumansInfantInfant, NewbornMalePolymorphism, Single NucleotidePrecursor Cell Lymphoblastic Leukemia-LymphomaRisk FactorsConceptsNew risk lociRisk lociGenome-wide association studiesGrowth regulation pathwaysGenetic associationAcute lymphoblastic leukemiaNovel genetic associationsChildhood acute lymphoblastic leukemiaGenetic Epidemiology ResearchTranscription factorsStrong genetic associationGene expressionAssociation studiesLymphocyte developmentMYC oncogeneChromosome 17q12Oncology GroupLymphoblastic leukemiaLociChildren's Oncology GroupCalifornia Childhood Leukemia StudyChildhood Leukemia StudyStructural contactsYear of birthNon-Latino whites
2017
Parental Age and Risk of Pediatric Cancer in the Offspring: A Population-Based Record-Linkage Study in California
Wang R, Metayer C, Morimoto L, Wiemels JL, Yang J, DeWan AT, Kang A, Ma X. Parental Age and Risk of Pediatric Cancer in the Offspring: A Population-Based Record-Linkage Study in California. American Journal Of Epidemiology 2017, 186: 843-856. PMID: 28535175, PMCID: PMC5860074, DOI: 10.1093/aje/kwx160.Peer-Reviewed Original ResearchConceptsRecord linkage studyMaternal ageOdds ratioPediatric cancerParental agePopulation-based record linkage studyCentral nervous system tumorsRisk of lymphomaPopulation-based studyCancer registry dataNervous system tumorsRisk of leukemiaAge group 0Ages 0Pediatric cancer riskOlder paternal ageOlder age groupsTypes of cancerSystem tumorsRegistry dataCancer riskHigh riskGroup 0Birth recordsAge groups