lunes, 29 de octubre de 2012

Exome sequencing and complex disease: practical aspects of rare variant association studies

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Exome sequencing and complex disease: practical aspects of rare variant association studies


Exome sequencing and complex disease: practical aspects of rare variant association studies






  1. Gonçalo R. Abecasis4,*



+ Author Affiliations



  1. 1Center for Human Genetic Research and Cardiovascular Research Center, Massachusetts General Hospital, Boston, MA, USA,



  2. 2Harvard Medical School, Boston, MA, USA,



  3. 3Broad Institute of Harvard and MIT, Cambridge, MA, USA and



  4. 4Department of Biostatistics, University of Michigan School of Public Health, Ann Arbor, MI, USA




  1. *To whom correspondence should be addressed at: M4614 SPH I Tower, 1415 Washington Heights, Ann Arbor, MI 48109-2029, USA. Tel: +1 7347634901; Fax: +1 7346158322; Email: goncalo@umich.edu



  • Received August 21, 2012.

  • Accepted September 7, 2012.






Abstract



Genetic association and linkage studies can provide insights into complex disease biology, guiding the development of new diagnostic and therapeutic strategies. Over the past decade, genetic association studies have largely focused on common, easy to measure genetic variants shared between many individuals. These common variants typically have subtle functional consequence and translating the resulting association signals into biological insights can be challenging. In the last few years, exome sequencing has emerged as a cost-effective strategy for extending these studies to include rare coding variants, which often have more marked functional consequences. Here, we provide practical guidance in the design and analysis of complex trait association studies focused on rare, coding variants.


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