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
Birth characteristics and risk of Ewing sarcoma
Wiemels J, Wang R, Feng Q, Yee A, Morimoto L, Metayer C, Ma X. Birth characteristics and risk of Ewing sarcoma. Cancer Causes & Control 2023, 34: 837-843. PMID: 37335392, PMCID: PMC10460323, DOI: 10.1007/s10552-023-01737-4.Peer-Reviewed Original ResearchMeSH KeywordsAsianBirth WeightBlack or African AmericanCaliforniaEthnicityFemaleHispanic or LatinoHumansRisk FactorsSarcoma, EwingWhiteConceptsBirth characteristicsEwing's sarcomaConclusionsThis population-based studyDisease riskMultivariable logistic regression modelNon-Hispanic white subjectsPopulation-based seriesPopulation-based studySignificant risk factorsMetastatic Ewing sarcomaEwing's sarcoma casesMinimal selection biasLogistic regression modelsYear of birthPurposeThe incidenceFetal growthRisk factorsSarcoma casesLower riskSarcomaMultiethnic populationBirth recordsWhite subjectsGenetic susceptibilityPredisposition alleles
2022
Hispanic 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 HispanicsHodgkinAgeRisk
2020
Birth 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 cases
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 ERG
2018
Regional Practice Patterns and Racial/Ethnic Differences in Intensity of End‐of‐Life Care
Wang S, Hsu SH, Huang S, Doan KC, Gross CP, Ma X. Regional Practice Patterns and Racial/Ethnic Differences in Intensity of End‐of‐Life Care. Health Services Research 2018, 53: 4291-4309. PMID: 29951996, PMCID: PMC6232508, DOI: 10.1111/1475-6773.12998.Peer-Reviewed Original ResearchConceptsIntensity of endHospital referral regionsRegional practice patternsPractice patternsLife careEthnic differencesLife care expendituresLocal practice patternsCancer decedentsMedicare databaseRacial/Ethnic DifferencesReferral regionsCare expendituresCareEnd resultDifferencesEpidemiologyDecedentsGWAS 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
2016
In utero cytomegalovirus infection and development of childhood acute lymphoblastic leukemia
Francis SS, Wallace AD, Wendt GA, Li L, Liu F, Riley LW, Kogan S, Walsh KM, de Smith AJ, Dahl GV, Ma X, Delwart E, Metayer C, Wiemels JL. In utero cytomegalovirus infection and development of childhood acute lymphoblastic leukemia. Blood 2016, 129: 1680-1684. PMID: 27979823, PMCID: PMC5364339, DOI: 10.1182/blood-2016-07-723148.Peer-Reviewed Original ResearchConceptsAcute lymphoblastic leukemiaCMV infectionCytomegalovirus infectionLymphoblastic leukemiaChildhood acute lymphoblastic leukemiaUtero cytomegalovirus infectionCongenital CMV infectionCommon childhood cancerActive viral transcriptionBone marrow specimensNon-Hispanic whitesTiming of infectionNewborn blood samplesEtiologic roleRisk factorsChildhood cancerHealthy controlsHigh prevalenceMarrow specimensLeukemia blastsBlood samplesPrenatal originEtiologic agentInfectionHispanic children
2014
Genomic ancestry and somatic alterations correlate with age at diagnosis in Hispanic children with B‐cell acute lymphoblastic leukemia
Walsh KM, de Smith A, Welch TC, Smirnov I, Cunningham MJ, Ma X, Chokkalingam AP, Dahl GV, Roberts W, Barcellos LF, Buffler PA, Metayer C, Wiemels JL. Genomic ancestry and somatic alterations correlate with age at diagnosis in Hispanic children with B‐cell acute lymphoblastic leukemia. American Journal Of Hematology 2014, 89: 721-725. PMID: 24753091, PMCID: PMC4069235, DOI: 10.1002/ajh.23727.Peer-Reviewed Original Research
2012
HLA-DP genetic variation, proxies for early life immune modulation and childhood acute lymphoblastic leukemia risk
Urayama KY, Chokkalingam AP, Metayer C, Ma X, Selvin S, Barcellos LF, Wiemels JL, Wiencke JK, Taylor M, Brennan P, Dahl GV, Moonsamy P, Erlich HA, Trachtenberg E, Buffler PA. HLA-DP genetic variation, proxies for early life immune modulation and childhood acute lymphoblastic leukemia risk. Blood 2012, 120: 3039-3047. PMID: 22923493, PMCID: PMC3471514, DOI: 10.1182/blood-2012-01-404723.Peer-Reviewed Original ResearchMeSH KeywordsAdolescentAdultCase-Control StudiesChildChild, PreschoolFemaleGenetic Predisposition to DiseaseGenetic VariationGenotypeHispanic or LatinoHLA-DP alpha-ChainsHLA-DP beta-ChainsHumansImmunologic FactorsInfantMalePrecursor Cell Lymphoblastic Leukemia-LymphomaPrognosisRisk FactorsWhite PeopleYoung AdultConceptsAcute lymphoblastic leukemiaImmune modulationChildhood acute lymphoblastic leukemiaChildhood acute lymphoblastic leukemia riskAcute lymphoblastic leukemia riskEarly immune modulationHuman leukocyte antigen (HLA) genesLowest exposure categoryLogistic regression analysisEtiology of childhoodNon-Hispanic whitesHLA-DPB1 geneRace/ethnicityInfectious exposureLymphoblastic leukemiaImmune mechanismsExposure categoriesHispanic ethnicityLeukemia riskGenetic susceptibility lociHLA-DPA1Immune systemHispanic childrenRegression analysisEvidence of interaction
2010
Early life exposure to infections and risk of childhood acute lymphoblastic leukemia
Urayama KY, Ma X, Selvin S, Metayer C, Chokkalingam AP, Wiemels JL, Does M, Chang J, Wong A, Trachtenberg E, Buffler PA. Early life exposure to infections and risk of childhood acute lymphoblastic leukemia. International Journal Of Cancer 2010, 128: 1632-1643. PMID: 21280034, PMCID: PMC3165002, DOI: 10.1002/ijc.25752.Peer-Reviewed Original ResearchConceptsNorthern California Childhood Leukemia StudyAcute lymphoblastic leukemiaChildhood acute lymphoblastic leukemiaNon-Hispanic white childrenEarly life exposureDaycare attendanceLymphoblastic leukemiaEar infectionsLife exposureHispanic childrenCommon childhood infectionsAge 6 monthsWhite childrenCalifornia Childhood Leukemia StudyBirth orderChildhood Leukemia StudyChildhood infectionsCommon infectionsProtective roleInfectionSociodemographic differencesLeukemia StudyHispanic populationChildrenRisk
2006
Cytogenetics of Hispanic and White Children with Acute Lymphoblastic Leukemia in California
Aldrich MC, Zhang L, Wiemels JL, Ma X, Loh ML, Metayer C, Selvin S, Feusner J, Smith MT, Buffler PA. Cytogenetics of Hispanic and White Children with Acute Lymphoblastic Leukemia in California. Cancer Epidemiology Biomarkers & Prevention 2006, 15: 578-581. PMID: 16537719, DOI: 10.1158/1055-9965.epi-05-0833.Peer-Reviewed Original ResearchMeSH KeywordsAdolescentAge DistributionCaliforniaChildChild, PreschoolCohort StudiesCore Binding Factor Alpha 2 SubunitCytogeneticsFemaleGene Expression Regulation, NeoplasticGenetic MarkersGenetic Predisposition to DiseaseHispanic or LatinoHumansIn Situ Hybridization, FluorescenceIncidenceInfantMaleOncogene Proteins, FusionPloidiesPrecursor Cell Lymphoblastic Leukemia-LymphomaProbabilityProspective StudiesRisk FactorsSensitivity and SpecificitySeverity of Illness IndexSex DistributionSurvival RateWhite PeopleConceptsAcute lymphoblastic leukemia patientsNon-Hispanic whitesLymphoblastic leukemia patientsLeukemia patientsB-lineage acute lymphoblastic leukemia patientsNorthern California Childhood Leukemia StudyPopulation-based studyAcute lymphoblastic leukemiaCalifornia Childhood Leukemia StudyChildhood Leukemia StudyChildhood leukemia patientsEthnic-specific risk factorsTEL-AML1 translocationSitu hybridization findingsTumor genetic characteristicsLymphoblastic leukemiaRisk factorsEpidemiologic studiesHigh hyperdiploidyTEL-AML1Childhood leukemiaCytogenetic profilePatientsMLL rearrangementsLeukemia Study
2005
Ethnic Difference in Daycare Attendance, Early Infections, and Risk of Childhood Acute Lymphoblastic Leukemia
Ma X, Buffler PA, Wiemels JL, Selvin S, Metayer C, Loh M, Does MB, Wiencke JK. Ethnic Difference in Daycare Attendance, Early Infections, and Risk of Childhood Acute Lymphoblastic Leukemia. Cancer Epidemiology Biomarkers & Prevention 2005, 14: 1928-1934. PMID: 16103439, DOI: 10.1158/1055-9965.epi-05-0115.Peer-Reviewed Original ResearchConceptsNon-Hispanic white childrenAcute lymphoblastic leukemiaChildhood acute lymphoblastic leukemiaDaycare attendanceLymphoblastic leukemiaC-ALLOdds ratioEarly infectionWhite childrenNorthern California Childhood Leukemia StudyPossible etiologic roleRisk of childhoodEthnic differencesCalifornia Childhood Leukemia StudyChildhood Leukemia StudyDose-response relationshipImportant ethnic differencesEar infectionsEtiologic roleInfectious agentsMagnitude of effectInfectionDisease hypothesisLeukemia StudyHispanic childrenRAS mutation is associated with hyperdiploidy and parental characteristics in pediatric acute lymphoblastic leukemia
Wiemels JL, Zhang Y, Chang J, Zheng S, Metayer C, Zhang L, Smith MT, Ma X, Selvin S, Buffler PA, Wiencke JK. RAS mutation is associated with hyperdiploidy and parental characteristics in pediatric acute lymphoblastic leukemia. Leukemia 2005, 19: 415-419. PMID: 15674422, DOI: 10.1038/sj.leu.2403641.Peer-Reviewed Original ResearchConceptsRAS mutationsMaternal ageLeukemia casesPediatric acute lymphoblastic leukemiaAcute lymphoblastic leukemia casesDiagnostic bone marrow samplesIncident leukemia casesPaternal preconception smokingNorthern California Childhood Leukemia StudyAcute lymphoblastic leukemiaLymphoblastic leukemia casesBone marrow samplesKRAS codon 12California Childhood Leukemia StudyRAS gene mutationsChildhood Leukemia StudyEtiology of subtypesPreconception smokingCase seriesLymphoblastic leukemiaLeukemia patientsMultivariable modelMarrow samplesHigh hyperdiploidyChildhood leukemia