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Curr Opin Neurol. 2012 Jun;25(3):239-45. doi: 10.1097/WCO.0b013e3283533a93.

Genetics of multiple sclerosis: swimming in an ocean of data.

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1
Department of Neurology, University of California, San Francisco, California, USA. sebaran@cgl.ucsf.edu

Abstract

PURPOSE OF REVIEW:

Major advances in the genetics of multiple sclerosis (MS) have been reported in 2011. These include studies in gene mapping, functional characterization of previously associated genes, and the relationship between genes and the environment. While particularly true for gene discovery, each of these efforts requires substantial statistics and computational resources for adequate analysis. This review describes the major advances in the genetics of MS with a slight emphasis on data handling and analysis.

RECENT FINDINGS:

Articles discussed include a new genome-wide association study (GWAS) with almost 10 000 cases (a collaboration between the Wellcome Trust and the international MS Genetics Consortium) that identified new susceptibility loci, taking the total number of risk alleles to more than 50. An article describing the use of next-generation sequencing to identify a rare mutation in CYP27B1 in a MS family is also discussed. Moreover, a summary of recent reports describing functional studies of MS-associated genes as well as the latest research on the interactions between genes and the environment is provided.

SUMMARY:

This review provides a concise summary of the most relevant studies in the genetics of MS in the past year. We raise awareness about analytical resources to successfully analyze the massive datasets characteristic of today's genetic studies.

PMID:
22516854
DOI:
10.1097/WCO.0b013e3283533a93
[Indexed for MEDLINE]
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