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Title: GWAS in childhood acute lymphoblastic leukemia reveals novel genetic associations at chromosomes 17q12 and 8q24.21.

Authors: Wiemels, Joseph L; Walsh, Kyle M; de Smith, Adam J; Metayer, Catherine; Gonseth, Semira; Hansen, Helen M; Francis, Stephen S; Ojha, Juhi; Smirnov, Ivan; Barcellos, Lisa; Xiao, Xiaorong; Morimoto, Libby; McKean-Cowdin, Roberta; Wang, Rong; Yu, Herbert; Hoh, Josephine; DeWan, Andrew T; Ma, Xiaomei

Published In Nat Commun, (2018 Jan 18)

Abstract: Childhood acute lymphoblastic leukemia (ALL) (age 0-14 years) is 20% more common in Latino Americans than non-Latino whites. We conduct a genome-wide association study in a large sample of 3263 Californian children with ALL (including 1949 of Latino heritage) and 3506 controls matched on month and year of birth, sex, and ethnicity, and an additional 12,471 controls from the Kaiser Resource for Genetic Epidemiology Research on Aging Cohort. Replication of the strongest genetic associations is performed in two independent datasets from the Children's Oncology Group and the California Childhood Leukemia Study. Here we identify new risk loci on 17q12 near IKZF3/ZPBP2/GSDMB/ORMDL3, a locus encompassing a transcription factor important for lymphocyte development (IKZF3), and at an 8q24 region known for structural contacts with the MYC oncogene. These new risk loci may impact gene expression via local (four 17q12 genes) or long-range (8q24) interactions, affecting function of well-characterized hematopoietic and growth-regulation pathways.

PubMed ID: 29348612 Exiting the NIEHS site

MeSH Terms: Adolescent; California; Child, Preschool; Chromosomes, Human, Pair 17/genetics*; Chromosomes, Human, Pair 8/genetics*; Female; Gene Frequency; Genetic Predisposition to Disease/ethnology; Genetic Predisposition to Disease/genetics*; Genome-Wide Association Study*; Hispanic or Latino/genetics; Humans; Infant; Infant, Newborn; Male; Polymorphism, Single Nucleotide; Precursor Cell Lymphoblastic Leukemia-Lymphoma/ethnology; Precursor Cell Lymphoblastic Leukemia-Lymphoma/genetics*; Risk Factors

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