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Type: Conference paper
Title: A Genome-Wide Association Study of Susceptibility to Acute Lymphoblastic Leukemia in Adolescents and Young Adults
Author: Perez-Andreu, V.
Roberts, K.G.
Heng, X.
Smith, C.
Zhang, H.
Yang, W.
Harvey, R.C.
Payne-Turner, D.
Devidas, M.
Cheng, I.-M.
Carroll, W.L.
Heerema, N.A.
Carroll, A.J.
Raetz, E.A.
Gastier-Foster, J.M.
Marcucci, G.
Bloomfield, C.D.
Mrozek, K.
Kohlschmidt, J.
Stock, W.
et al.
Citation: Blood, 2014, vol.124, iss.21
Issue Date: 2014
ISSN: 0006-4971
Conference Name: 56th Annual Meeting of the American-Society-of-Hematology (6 Dec 2014 - 9 Dec 2014 : San Francisco, CA)
Statement of
Virginia Perez-Andreu ... Charles G. Mullighan ... et al.
Abstract: AAcute lymphoblastic leukemia (ALL) in adolescents and young adults (AYA) is characterized by distinct presenting features and inferior prognosis compared with pediatric ALL. We performed a genome-wide association study (GWAS) to comprehensively identify inherited genetic variants associated with susceptibility to AYA ALL. In the discovery GWAS, we compared genotype frequency at 635 297 single nucleotide polymorphisms( SNPs) in 308AYAALL cases and 6,661 non-ALL controls by using a logistic regression model with genetic ancestry as a covariate. SNPs that reached P £ 5 3 1028 in GWAS were tested in an independent cohort of 162 AYA ALL cases and 5,755 non- ALL controls. We identified a single genome-wide significant susceptibility locus in GATA3: rs3824662, odds ratio (OR), 1.77 (P 5 2.8 3 10210) and rs3781093, OR, 1.73 (P 53.2 3 1029). These findings were validated in the replication cohort. The risk allele at rs3824662 was most frequent in Philadelphia chromosome (Ph)-like ALL but also conferred susceptibility to non–Ph-like ALL in AYAs. In 1,827 non-selected ALL cases, the risk allele frequency at this SNP was positively correlated with age at diagnosis (P56.29310211).Our results fromthis first GWAS of AYA ALL susceptibility point to unique biology underlying leukemogenesis and potentially distinct disease etiology by age group. (Blood. 2015;125(4):680-686)
Keywords: Philadelphia Chromosome; Humans; Genetic Predisposition to Disease; Neoplasm Proteins; Risk Factors; Gene Frequency; Polymorphism, Single Nucleotide; Alleles; Adolescent; Adult; Female; Male; GATA3 Transcription Factor; Precursor Cell Lymphoblastic Leukemia-Lymphoma; Genome-Wide Association Study; Young Adult; Genetic Loci
Rights: Copyright 2011 by The American Society of Hematology; all rights reserved.
DOI: 10.1182/blood-2014-09-595744
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