Gene/Protein Disease Symptom Drug Enzyme Compound
Pivot Concepts:   Target Concepts:
Query: UMLS:C0002736 (amyotrophic lateral sclerosis)
 19,048 document(s) hit in 31,850,051 MEDLINE articles (0.00 seconds)

Runs of homozygosity are common in European populations and are indicative of consanguinity, restricted population size and recessively inherited traits. Here, we map runs of homozygosity (ROHs) in an Irish case-control cohort for amyotrophic lateral sclerosis (ALS), a devastating neurological condition with high heritability yet only partially established genetic cause. We compare the extent of homozygosity in the Irish cohort with a large British cohort and observe that ROHs are longer and more frequent in the Irish population than in the British, and that extent of ROHs is correlated with demographic factors within the island of Ireland. ROHs are also longer and more frequent in ALS cases compared to population-matched controls, supporting the hypothesis that recessively inherited loci play a pathogenic role in ALS. Comparing homozygous haplotypes between cases and controls reveals several potential recessive risk loci for ALS, including a genomic interval spanning ARHGEF1, a compelling ALS candidate gene.
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PMID:Homozygosity mapping in an Irish ALS case-control cohort describes local demographic phenomena and points towards potential recessive risk loci. 2562 Jun 80