Bayesian method to predict individual SNP genotypes from gene expression data  

Oleh:

Schadt, Eric E ; Sangsoon, Woo ; Ke, Hao

Jenis: Article from Journal - ilmiah internasional
Dalam koleksi: Nature Genetics vol. 44 no. 05 (May 2012), page 603 - 608.

Ketersediaan

Perpustakaan FK Nomor Panggil: N12.K.2012.01 Non-tandon: 1 (dapat dipinjam: 0) Tandon: tidak ada

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Isi artikel

RNA profiling can be used to capture the expression patterns of many genes that are associated with expression quantitative trait loci (eQTLs). Employing published putative cis eQTLs, we developed a Bayesian approach to predict SNP genotypes that is based only on RNA expression data. We show that predicted genotypes can accurately and uniquely identify individuals in large populations. When inferring genotypes from an expression data set using eQTLs of the same tissue type (but from an independent cohort), we were able to resolve 99% of the identities of individuals in the cohort at Padjusted = 1 × 10-5. When eQTLs derived from one tissue were used to predict genotypes using expression data from a different tissue, the identities of 90% of the study subjects could be resolved at Padjusted = 1 × 10-5. We discuss the implications of deriving genotypic information from RNA data deposited in the public domain.

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