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CIDR: Understanding the Increased Risk of Childhood Acute Lymphoblastic Leukemia in Latinos

This study aims to investigate the genetic contribution to the increased risk of acute lymphoblastic leukemia (ALL) in children of Hispanic/Latino ethnicity. Genome-wide single nucleotide polymorphism (SNP) genotyping was performed on childhood ALL cases and controls of self-reported Hispanic/Latino ethnicity from two studies: 1) the California Childhood Leukemia Study (CCLS), and 2) the Mexican Interinstitutional Group for the Identification of the Causes of Childhood Leukemia (MIGICCL). This study will provide genome-wide SNP array data from Hispanic/Latino children, contributing to studies of the genetic etiology of childhood ALL and cancer health disparities. It will also provide data from childhood ALL cases and controls from a Hispanic/Latino population outside of the United States (i.e., Mexico). Genetic data were generated by the Center for Inherited Disease Research. Samples were genotyped using the Illumina Global Diversity Array GDA-8v1-0. Individual level genotype data will be available through dbGaP. Note that for a small number of genotyped cases in the MIGICCL study, it was later found that these were not ALL cases but were either acute myeloid leukemia (AML) or non-acute leukemia. Additional available data include demographic and birth-related variables, and patient-related data including age-at-diagnosis and leukemia immunophenotype and molecular subtypes.