2024
Exposure to ambient air pollution during early life and risk of childhood Ewing sarcoma in a California case-control study (1988-2015)
Clark C, Wang R, Deziel N, Wiemels J, Metayer C, Ma X. Exposure to ambient air pollution during early life and risk of childhood Ewing sarcoma in a California case-control study (1988-2015). ISEE Conference Abstracts 2024, 2024 DOI: 10.1289/isee.2024.0493.Peer-Reviewed Original ResearchFolate metabolism and risk of childhood acute lymphoblastic leukemia: a genetic pathway analysis from the Childhood Cancer and Leukemia International Consortium
Metayer C, Spector L, Scheurer M, Jeon S, Scott R, Takagi M, Clavel J, Manabe A, Ma X, Hailu E, Lupo P, Urayama K, Bonaventure A, Kato M, Meirhaeghe A, Chiang C, Morimoto L, Wiemels J. Folate metabolism and risk of childhood acute lymphoblastic leukemia: a genetic pathway analysis from the Childhood Cancer and Leukemia International Consortium. Cancer Epidemiology Biomarkers & Prevention 2024, 33: 1248-1252. PMID: 38904462, PMCID: PMC11369612, DOI: 10.1158/1055-9965.epi-24-0189.Peer-Reviewed Original ResearchSingle nucleotide polymorphismsGenome-wide dataAncestry groupsFolate metabolic pathwayGenetic variantsChildhood cancerMetabolic pathwaysGenetic pathway analysisRisk of childhood ALLRisk of childhood acute lymphoblastic leukemiaGene-folate interactionsChildhood ALL riskCase-control studyDNA methylationMETAL softwareGenetic studiesNucleotide polymorphismsPathway analysisMeta-analysis of original dataALL riskGenetic effectsAncestryFolate pathwayMaternal genetic effectsFolate intake
2022
Unconventional Oil and Gas Development Exposure and Risk of Childhood Acute Lymphoblastic Leukemia: A Case–Control Study in Pennsylvania, 2009–2017
Clark CJ, Johnson NP, Soriano M, Warren JL, Sorrentino KM, Kadan-Lottick NS, Saiers JE, Ma X, Deziel NC. Unconventional Oil and Gas Development Exposure and Risk of Childhood Acute Lymphoblastic Leukemia: A Case–Control Study in Pennsylvania, 2009–2017. Environmental Health Perspectives 2022, 130: 087001. PMID: 35975995, PMCID: PMC9383266, DOI: 10.1289/ehp11092.Peer-Reviewed Original ResearchConceptsAcute lymphoblastic leukemiaCase-control studyOdds ratioChildhood leukemiaLymphoblastic leukemiaPerinatal windowRegistry-based case-control studyChildhood acute lymphoblastic leukemiaConfidence intervalsResidential proximityChildren ages 2Risk factorsMaternal raceChild healthExposure windowsSocio-economic statusPotential associationLeukemiaLogistic regressionAge 2Birth yearCommon formBirth residenceDevelopment exposureOddsInteraction between maternal killer immunoglobulin-like receptors and offspring HLAs and susceptibility of childhood ALL
Feng Q, Zhou M, Li S, Morimoto L, Hansen H, Myint SS, Wang R, Metayer C, Kang A, Fear AL, Pappas D, Erlich H, Hollenbach JA, Mancuso N, Trachtenberg E, de Smith AJ, Ma X, Wiemels JL. Interaction between maternal killer immunoglobulin-like receptors and offspring HLAs and susceptibility of childhood ALL. Blood Advances 2022, 6: 3756-3766. PMID: 35500222, PMCID: PMC9631572, DOI: 10.1182/bloodadvances.2021006821.Peer-Reviewed Original ResearchConceptsKiller immunoglobulin-like receptorsMaternal killer immunoglobulin-like receptorsAcute lymphoblastic leukemiaChild-mother pairsImmunoglobulin-like receptorsArginase IIKIR interactionsLower riskNon-Latino white subjectsLower tumor necrosisCase-control studyEtiology of childhoodDevelopment of childhoodHLA-KIRNeonatal cytokinesCytokine levelsCytokine profileLymphoblastic leukemiaImmune factorsImmune phenotypeTumor necrosisHigh riskChildhood leukemiaCytokine controlSignificant associationHispanic 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 HispanicsHodgkinAgeRiskOral Cyanobacteria and Hepatocellular Carcinoma
Hernandez BY, Zhu X, Risch HA, Lu L, Ma X, Irwin ML, Lim JK, Taddei TH, Pawlish KS, Stroup AM, Brown R, Wang Z, Wong LL, Yu H. Oral Cyanobacteria and Hepatocellular Carcinoma. Cancer Epidemiology Biomarkers & Prevention 2022, 31: 221-229. PMID: 34697061, PMCID: PMC8755591, DOI: 10.1158/1055-9965.epi-21-0804.Peer-Reviewed Original ResearchConceptsHepatitis B virusHepatitis C virusHepatocellular carcinomaRisk factorsLiver diseaseHCC casesOral microbiomeU.S. case-control studyIndependent risk factorChronic liver diseaseFatty liver diseaseHCC risk factorsGut microbial alterationsType 2 diabetesCase-control studyLiver cancer developmentNSAID useAspirin useC virusB virusHCC riskNegative historyOral samplesSignificant associationCancer development
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 educationGenetic susceptibility to hepatocellular carcinoma in chromosome 22q13.31, findings of a genome‐wide association study
Wang Z, Budhu AS, Shen Y, Wong LL, Hernandez BY, Tiirikainen M, Ma X, Irwin ML, Lu L, Zhao H, Lim JK, Taddei T, Mishra L, Pawlish K, Stroup A, Brown R, Nguyen MH, Koshiol J, Hernandez MO, Forgues M, Yang H, Lee M, Huang Y, Iwasaki M, Goto A, Suzuki S, Matsuda K, Tanikawa C, Kamatani Y, Mann D, Guarnera M, Shetty K, Thomas CE, Yuan J, Khor CC, Koh W, Risch H, Wang XW, Yu H. Genetic susceptibility to hepatocellular carcinoma in chromosome 22q13.31, findings of a genome‐wide association study. JGH Open 2021, 5: 1363-1372. PMID: 34950780, PMCID: PMC8674550, DOI: 10.1002/jgh3.12682.Peer-Reviewed Original ResearchNonalcoholic fatty liver diseaseCase-control studyHepatocellular carcinomaSingle nucleotide polymorphismsChronic hepatitis C virus (HCV) infectionHepatitis C virus infectionGenetic susceptibilityC virus infectionLong-term alcohol useFatty liver diseaseUS case-control studyBody mass indexMajor risk factorGenome-wide association studiesHCV infectionCohort studyLiver diseaseCigarette smokingMass indexRisk factorsHCC casesVirus infectionGene-environment interactionsUS populationDisease riskProximity to endocrine-disrupting pesticides and risk of testicular germ cell tumors (TGCT) among adolescents: A population-based case-control study in California
Swartz SJ, Morimoto LM, Whitehead TP, DeRouen MC, Ma X, Wang R, Wiemels JL, McGlynn KA, Gunier R, Metayer C. Proximity to endocrine-disrupting pesticides and risk of testicular germ cell tumors (TGCT) among adolescents: A population-based case-control study in California. International Journal Of Hygiene And Environmental Health 2021, 239: 113881. PMID: 34839102, DOI: 10.1016/j.ijheh.2021.113881.Peer-Reviewed Original ResearchConceptsTesticular germ cell tumorsPopulation attributable riskGerm cell tumorsCase-control studyRace/ethnicityTGCT riskCell tumorsOdds ratioRegistry-based case-control studyPopulation-based case-control studyRisk of TGCTConfidence intervalsBirth yearYears of ageNeighborhood socioeconomic statusEndocrine-disrupting pesticidesFetal exposureCritical developmental periodAttributable risk
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 casesRisk factors for hepatocellular carcinoma (HCC) in the northeast of the United States: results of a case–control study
Shen Y, Risch H, Lu L, Ma X, Irwin ML, Lim JK, Taddei T, Pawlish K, Stroup A, Brown R, Wang Z, Jia W, Wong L, Mayne ST, Yu H. Risk factors for hepatocellular carcinoma (HCC) in the northeast of the United States: results of a case–control study. Cancer Causes & Control 2020, 31: 321-332. PMID: 32060838, PMCID: PMC7136513, DOI: 10.1007/s10552-020-01277-1.Peer-Reviewed Original ResearchConceptsRisk of HCCCase-control studyHepatocellular carcinomaRisk factorsHCV infectionHCC riskOdds ratioHepatitis C virus antibodyUnconditional logistic regression modelsElevated HCC riskRapid case ascertainmentC virus antibodyHeavy alcohol intakeConfidence intervalsFamily cancer historyImportant risk factorRandom digit dialingLow socioeconomic statusUnhealthy lifestyle choicesLower household incomeLogistic regression modelsNSAID useAlcohol intakeCigarette smokingHigher BMI
2018
Advanced 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 spectrometryTGCT
2016
Cesarean Section and Risk of Childhood Acute Lymphoblastic Leukemia in a Population-Based, Record-Linkage Study in California
Wang R, Wiemels JL, Metayer C, Morimoto L, Francis SS, Kadan-Lottick N, DeWan AT, Zhang Y, Ma X. Cesarean Section and Risk of Childhood Acute Lymphoblastic Leukemia in a Population-Based, Record-Linkage Study in California. American Journal Of Epidemiology 2016, 185: 96-105. PMID: 27986703, PMCID: PMC5253971, DOI: 10.1093/aje/kww153.Peer-Reviewed Original ResearchConceptsElective C-sectionAcute lymphoblastic leukemiaChildhood acute lymphoblastic leukemiaC-sectionCesarean sectionLymphoblastic leukemiaHigh riskPopulation-based case-control studyPeak ageEmergency C-sectionRecord linkage studyCancer registry dataCase-control studyPotential risk factorsEtiology of childhoodRelationship of modeVaginal deliveryRisk factorsRole of deliveryRegistry dataElevated riskBirth recordsInaccurate recallChildhoodRiskBirth weight and risk of paediatric Hodgkin lymphoma: Findings from a population-based record linkage study in California
Triebwasser C, Wang R, DeWan AT, Metayer C, Morimoto L, Wiemels JL, Kadan-Lottick N, Ma X. Birth weight and risk of paediatric Hodgkin lymphoma: Findings from a population-based record linkage study in California. European Journal Of Cancer 2016, 69: 19-27. PMID: 27814470, PMCID: PMC5125877, DOI: 10.1016/j.ejca.2016.09.016.Peer-Reviewed Original ResearchMeSH KeywordsAdolescentAge of OnsetBirth OrderBirth WeightCaliforniaCase-Control StudiesChildChild, PreschoolEthnicityFemaleFetal MacrosomiaHodgkin DiseaseHumansInfantInfant, Low Birth WeightInfant, NewbornInformation Storage and RetrievalLogistic ModelsMaleMaternal AgeOdds RatioPaternal AgeRisk FactorsConceptsAge of diagnosisPediatric Hodgkin lymphomaHigh birth weightBirth weightTime of deliveryHodgkin's lymphomaOdds ratioPopulation-based record linkage studyPopulation-based case-control studyBirth orderNormal birth weightRecord linkage studyCase-control studyConditional logistic regressionMagnitude of associationSubgroup of childrenPerinatal factorsMaternal ageEtiological investigationBirth recordsPaternal ageHL casesDisease riskLogistic regressionDiagnosisAir toxics and early childhood acute lymphocytic leukemia in Texas, a population based case control study
Symanski E, Tee Lewis PG, Chen TY, Chan W, Lai D, Ma X. Air toxics and early childhood acute lymphocytic leukemia in Texas, a population based case control study. Environmental Health 2016, 15: 70. PMID: 27301866, PMCID: PMC4908700, DOI: 10.1186/s12940-016-0154-8.Peer-Reviewed Original ResearchMeSH KeywordsAdultAir PollutantsBenzeneButadienesCase-Control StudiesChild, PreschoolEnvironmental MonitoringFemaleHumansInfantInfant, NewbornMaleMaternal ExposureOdds RatioPolycyclic Aromatic HydrocarbonsPrecursor Cell Lymphoblastic Leukemia-LymphomaPregnancyPrenatal Exposure Delayed EffectsTexasYoung AdultConceptsAcute lymphocytic leukemiaCo-pollutant modelsCase-control studySingle-pollutant modelsChildhood leukemiaLymphocytic leukemiaChildhood acute lymphocytic leukemiaBirth certificatesCancer registry casesPopulation-based controlsEarly life exposureMixed effects logistic regression modelsEarly childhood risksLogistic regression modelsPotential confoundersEtiologic roleLowest quartileRegistry casesInfant characteristicsLife exposurePediatric cancerMaternal addressControl studyBirth recordsLeukemia
2014
A New Estimation Approach for Combining Epidemiological Data From Multiple Sources
Huang H, Ma X, Waagepetersen R, Holford TR, Wang R, Risch H, Mueller L, Guan Y. A New Estimation Approach for Combining Epidemiological Data From Multiple Sources. Journal Of The American Statistical Association 2014, 109: 11-23. PMID: 24683281, PMCID: PMC3964681, DOI: 10.1080/01621459.2013.870904.Peer-Reviewed Original ResearchEpidemiological dataPopulation-based case-control studyBehavioral Risk Factor Surveillance SystemRisk Factor Surveillance SystemConnecticut Tumor RegistryCase-control studyPancreatic cancer riskGroup of controlsGroup of casesTumor RegistryRisk factorsHealth SurveyCancer riskCertain diseasesSurveillance system
2011
Genetic variation in nucleotide excision repair pathway genes, pesticide exposure and prostate cancer risk
Barry KH, Koutros S, Andreotti G, Sandler DP, Burdette LA, Yeager M, Freeman L, Lubin JH, Ma X, Zheng T, Alavanja MC, Berndt SI. Genetic variation in nucleotide excision repair pathway genes, pesticide exposure and prostate cancer risk. Carcinogenesis 2011, 33: 331-337. PMID: 22102698, PMCID: PMC3271261, DOI: 10.1093/carcin/bgr258.Peer-Reviewed Original ResearchConceptsProstate cancer riskCancer riskSingle nucleotide polymorphismsPesticide exposurePesticide applicatorsPesticide manufacturing workersCase-control studyInteraction p valueProstate cancer casesNucleotide excision repair pathway genesWild-type TT genotypeLogistic regression modelsHuman biomonitoring studiesCancer casesLifetime daysTT genotypeERCC1 rs2298881Male controlsFalse discovery rate methodIntensity scoresSignificant associationNucleotide excision repair pathwayGenotype groupsManufacturing workersUnderlying mechanismGenetic Variation in Base Excision Repair Pathway Genes, Pesticide Exposure, and Prostate Cancer Risk
Barry KH, Koutros S, Berndt SI, Andreotti G, Hoppin JA, Sandler DP, Burdette LA, Yeager M, Freeman LE, Lubin JH, Ma X, Zheng T, Alavanja MC. Genetic Variation in Base Excision Repair Pathway Genes, Pesticide Exposure, and Prostate Cancer Risk. Environmental Health Perspectives 2011, 119: 1726-1732. PMID: 21810555, PMCID: PMC3261977, DOI: 10.1289/ehp.1103454.Peer-Reviewed Original ResearchConceptsProstate cancer riskCancer riskSingle nucleotide polymorphismsPesticide applicatorsCT/TT genotypesPesticide manufacturing workersCase-control studyProstate cancer casesLogistic regression modelsTag single nucleotide polymorphismsBase excision repair pathway genesProstate cancerCancer casesFamily historyOxidative DNA damageTT genotypeCC genotypeMale controlsExposure variablesPesticide exposureBase excision repairManufacturing workersUnderlying mechanismRiskBER genes
2010
A meta-analysis of the association between day-care attendance and childhood acute lymphoblastic leukaemia
Urayama KY, Buffler PA, Gallagher ER, Ayoob JM, Ma X. A meta-analysis of the association between day-care attendance and childhood acute lymphoblastic leukaemia. International Journal Of Epidemiology 2010, 39: 718-732. PMID: 20110276, PMCID: PMC2878455, DOI: 10.1093/ije/dyp378.Peer-Reviewed Original ResearchConceptsDay care attendanceAcute lymphoblastic leukemiaChildhood acute lymphoblastic leukemiaLymphoblastic leukemiaOdds ratioRisk of childhoodCase-control studyEarly life exposureRandom-effects modelCommon infectionsSubgroup analysisProphylactic interventionsInfluence of timingObservational studyChildhood leukemiaStudy heterogeneityPubMed databaseInfected individualsRisk estimatesSimilar findingsLeukemiaInfectionEarly childhoodRare responsesEffects model