Gene-gene and gene-environment interactions detected by transcriptome sequence analysis in twins  

Oleh:

Buil, Alfonso ; Brown, Andrew Anand ; Lappalainen, Tuuli ; Vinuela, Ana ; Davies, Matthew N

Jenis: Article from Journal - ilmiah internasional
Dalam koleksi: Nature Genetics vol. 47 no. 01 (Jan. 2015), page 88–91.

Ketersediaan

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

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Isi artikel

Understanding the genetic architecture of gene expression is an intermediate step in understanding the genetic architecture of complex diseases. RNA sequencing technologies have improved the quantification of gene expression and allow measurement of allele-specific expression (ASE). ASE is hypothesized to result from the direct effect of cis regulatory variants, but a proper estimation of the causes of ASE has not been performed thus far. In this study, we take advantage of a sample of twins to measure the relative contributions of genetic and environmental effects to ASE, and we find substantial effects from gene × gene (G×G) and gene × environment (G×E) interactions. We propose a model where ASE requires genetic variability in cis, a difference in the sequence of both alleles, but where the magnitude of the ASE effect depends on trans genetic and environmental factors that interact with the cis genetic variants.

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