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. 2021 May 27;184(11):3006-3021.e17.
doi: 10.1016/j.cell.2021.03.056. Epub 2021 May 1.

Dynamic landscape of immune cell-specific gene regulation in immune-mediated diseases

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Free article

Dynamic landscape of immune cell-specific gene regulation in immune-mediated diseases

Mineto Ota et al. Cell. .
Free article

Abstract

Genetic studies have revealed many variant loci that are associated with immune-mediated diseases. To elucidate the disease pathogenesis, it is essential to understand the function of these variants, especially under disease-associated conditions. Here, we performed a large-scale immune cell gene-expression analysis, together with whole-genome sequence analysis. Our dataset consists of 28 distinct immune cell subsets from 337 patients diagnosed with 10 categories of immune-mediated diseases and 79 healthy volunteers. Our dataset captured distinctive gene-expression profiles across immune cell types and diseases. Expression quantitative trait loci (eQTL) analysis revealed dynamic variations of eQTL effects in the context of immunological conditions, as well as cell types. These cell-type-specific and context-dependent eQTLs showed significant enrichment in immune disease-associated genetic variants, and they implicated the disease-relevant cell types, genes, and environment. This atlas deepens our understanding of the immunogenetic functions of disease-associated variants under in vivo disease conditions.

Keywords: Immune Cell Gene Expression Atlas from the University of Tokyo; cell-type-specific eQTL; context-dependent eQTL; expression quantitative trait loci; gene regulation; immune cell; immune-mediated disease; immunogenetics; systemic lupus erythematosus; transcriptome.

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Conflict of interest statement

Declaration of interests N.B., N.Y., K.M, H.M., S.O., M. Okazaki, and H. Tsunoda are employees of Chugai Pharmaceutical. T.O., M. Ota, Y.N., and Y. Takeshima belong to the Social Cooperation Program, Department of Functional Genomics and Immunological Diseases, supported by Chugai Pharmaceutical. K.F. receives consulting honoraria and research support from Chugai Pharmaceutical.

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