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Search: authors:"Céline Bellenguez"

8 papers found.
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Accuracy of heritability estimations in presence of hidden population stratification

• PubMed • Google ScholarSearch for Céline Bellenguez in:Nature Research journals • PubMed • Google ScholarSearch for Stéphanie Debette in:Nature Research journals • PubMed • Google ScholarSearch for

A robust clustering algorithm for identifying problematic samples in genome-wide association studies

Summary: High-throughput genotyping arrays provide an efficient way to survey single nucleotide polymorphisms (SNPs) across the genome in large numbers of individuals. Downstream analysis of the data, for example in genome-wide association studies (GWAS), often involves statistical models of genotype frequencies across individuals. The complexities of the sample collection...

SUCLG2 identified as both a determinator of CSF Aβ1–42 levels and an attenuator of cognitive decline in Alzheimer's disease

Cerebrospinal fluid amyloid-beta 1–42 (Aβ1–42) and phosphorylated Tau at position 181 (pTau181) are biomarkers of Alzheimer's disease (AD). We performed an analysis and meta-analysis of genome-wide association study data on Aβ1–42 and pTau181 in AD dementia patients followed by independent replication. An association was found between Aβ1–42 level and a single-nucleotide...

Exome-wide study of ankylosing spondylitis demonstrates additional shared genetic background with inflammatory bowel disease

Spencer, Gavin Band, Céline Bellenguez, Colin Freeman, Garrett Hellenthal, Eleni Giannoulatou, Matti Pirinen, Richard Pearson, Amy Strange, Zhan Su, Damjan Vukcevic & Peter DonnellyDNA, Genotyping, Data QC

Identification and Replication of a Novel Obesity Locus on Chromosome 1q24 in Isolated Populations of Cilento

OBJECTIVE—Obesity is a complex trait with a variety of genetic susceptibility variants. Several loci linked to obesity and/or obesity-related traits have been identified, and relatively few regions have been replicated. Studying isolated populations can be a useful approach to identify rare variants that will not be detected with whole-genome association studies in large...

New susceptibility locus for hypertension on chromosome 8q by efficient pedigree-breaking in an Italian isolate

Essential hypertension (EH) affects a large proportion of the adult population in Western countries and is a major risk factor for cardiovascular diseases. EH is a multifactorial disease with a complex genetic component. To tackle the complexity of this genetic component, we have initiated a study of Campora, an isolated village in South Italy. A random sample of 389 adults was...

Common Genetic Determinants of Intraocular Pressure and Primary Open-Angle Glaucoma

Intraocular pressure (IOP) is a highly heritable risk factor for primary open-angle glaucoma and is the only target for current glaucoma therapy. The genetic factors which determine IOP are largely unknown. We performed a genome-wide association study for IOP in 11,972 participants from 4 independent population-based studies in The Netherlands. We replicated our findings in 7,482...

Gene-Wide Analysis Detects Two New Susceptibility Genes for Alzheimer's Disease

Background Alzheimer's disease is a common debilitating dementia with known heritability, for which 20 late onset susceptibility loci have been identified, but more remain to be discovered. This study sought to identify new susceptibility genes, using an alternative gene-wide analytical approach which tests for patterns of association within genes, in the powerful genome-wide...