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Genome-wide association study identifies variants at 16p13 associated with survival in multiple myeloma patients.

ABSTRACT: Here we perform the first genome-wide association study (GWAS) of multiple myeloma (MM) survival. In a meta-analysis of 306 MM patients treated at UCSF and 239 patients treated at the Mayo clinic, we find a significant association between SNPs near the gene FOPNL on chromosome 16p13 and survival (rs72773978; P=6 × 10(-10)). Patients with the minor allele are at increased risk for mortality (HR: 2.65; 95% CI: 1.94-3.58) relative to patients homozygous for the major allele. We replicate the association in the IMMEnSE cohort including 772 patients, and a University of Utah cohort including 318 patients (rs72773978 P=0.044). Using publicly available data, we find that the minor allele was associated with increased expression of FOPNL and increased expression of FOPNL was associated with higher expression of centrosomal genes and with shorter survival. Polymorphisms at the FOPNL locus are associated with survival among MM patients.

SUBMITTER: Ziv E

PROVIDER: S-EPMC4656791 | biostudies-literature | 2015 Jul

REPOSITORIES: biostudies-literature

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Genome-wide association study identifies variants at 16p13 associated with survival in multiple myeloma patients.

Ziv Elad E Dean Eric E Hu Donglei D Martino Alessandro A Serie Daniel D Curtin Karen K Campa Daniele D Aftab Blake B Bracci Paige P Buda Gabriele G Zhao Yi Y Caswell-Jin Jennifer J Diasio Robert R Dumontet Charles C Dudziński Marek M Fejerman Laura L Greenberg Alexandra A Huntsman Scott S Jamroziak Krzysztof K Jurczyszyn Artur A Kumar Shaji S Atanackovic Djordje D Glenn Martha M Cannon-Albright Lisa A LA Jones Brandt B Lee Adam A Marques Herlander H Martin Thomas T Martinez-Lopez Joaquin J Rajkumar Vincent V Sainz Juan J Vangsted Annette Juul AJ Wątek Marzena M Wolf Jeffrey J Slager Susan S Camp Nicola J NJ Canzian Federico F Vachon Celine C

Nature communications 20150722

Here we perform the first genome-wide association study (GWAS) of multiple myeloma (MM) survival. In a meta-analysis of 306 MM patients treated at UCSF and 239 patients treated at the Mayo clinic, we find a significant association between SNPs near the gene FOPNL on chromosome 16p13 and survival (rs72773978; P=6 × 10(-10)). Patients with the minor allele are at increased risk for mortality (HR: 2.65; 95% CI: 1.94-3.58) relative to patients homozygous for the major allele. We replicate the associ ...[more]

PMID: 26198393

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Project description:Genetic variants that modify brain gene expression may also influence risk for human diseases. We measured expression levels of 24,526 transcripts in brain samples from the cerebellum and temporal cortex of autopsied subjects with Alzheimer's disease (AD, cerebellar n=197, temporal cortex n=202) and with other brain pathologies (non-AD, cerebellar n=177, temporal cortex n=197). We conducted an expression genome-wide association study (eGWAS) using 213,528 cisSNPs within ± 100 kb of the tested transcripts. We identified 2,980 cerebellar cisSNP/transcript level associations (2,596 unique cisSNPs) significant in both ADs and non-ADs (q<0.05, p=7.70 × 10(-5)-1.67 × 10(-82)). Of these, 2,089 were also significant in the temporal cortex (p=1.85 × 10(-5)-1.70 × 10(-141)). The top cerebellar cisSNPs had 2.4-fold enrichment for human disease-associated variants (p<10(-6)). We identified novel cisSNP/transcript associations for human disease-associated variants, including progressive supranuclear palsy SLCO1A2/rs11568563, Parkinson's disease (PD) MMRN1/rs6532197, Paget's disease OPTN/rs1561570; and we confirmed others, including PD MAPT/rs242557, systemic lupus erythematosus and ulcerative colitis IRF5/rs4728142, and type 1 diabetes mellitus RPS26/rs1701704. In our eGWAS, there was 2.9-3.3 fold enrichment (p<10(-6)) of significant cisSNPs with suggestive AD-risk association (p<10(-3)) in the Alzheimer's Disease Genetics Consortium GWAS. These results demonstrate the significant contributions of genetic factors to human brain gene expression, which are reliably detected across different brain regions and pathologies. The significant enrichment of brain cisSNPs among disease-associated variants advocates gene expression changes as a mechanism for many central nervous system (CNS) and non-CNS diseases. Combined assessment of expression and disease GWAS may provide complementary information in discovery of human disease variants with functional implications. Our findings have implications for the design and interpretation of eGWAS in general and the use of brain expression quantitative trait loci in the study of human disease genetics.

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Genome-wide association study identifies variants at 16p13 associated with survival in multiple myeloma patients.

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Genome-wide association study identifies variants at 16p13 associated with survival in multiple myeloma patients.

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