On transferability of genome-wide tagSNPs

C. Charles Gu, K. Yu, S. Ketkar, Alan R. Templeton, D. C. Rao

Research output: Contribution to journalReview articlepeer-review

12 Scopus citations

Abstract

The question of tagging single nucleotide polymorphism (tagSNP) transferability is an important one because many ongoing and upcoming Genome-Wide Association studies rely critically upon the validity, and practical feasibility of using a universal core set of tagSNPs. A series of recent studies analyzed performance of tagSNPs selected based on the HapMap. While these studies showed largely satisfactory transferability of the tagSNPs, they also reported that the level of transferability varies, substantively sometimes, especially when tagSNPs selected in one population were used in another distant population. We present a review of the literature about where and why tagSNP transferability may become a problem and suggest research directions that may help the resolution.

Original languageEnglish
Pages (from-to)89-97
Number of pages9
JournalGenetic Epidemiology
Volume32
Issue number2
DOIs
StatePublished - Feb 2008

Keywords

  • Genome-wide association study
  • Linkage disequilibrium mapping
  • SNP selection
  • tagSNPs
  • tagSNPs transferability

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