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Cell ; 167(5): 1398-1414.e24, 2016 11 17.
Artículo en Inglés | MEDLINE | ID: mdl-27863251

RESUMEN

Characterizing the multifaceted contribution of genetic and epigenetic factors to disease phenotypes is a major challenge in human genetics and medicine. We carried out high-resolution genetic, epigenetic, and transcriptomic profiling in three major human immune cell types (CD14+ monocytes, CD16+ neutrophils, and naive CD4+ T cells) from up to 197 individuals. We assess, quantitatively, the relative contribution of cis-genetic and epigenetic factors to transcription and evaluate their impact as potential sources of confounding in epigenome-wide association studies. Further, we characterize highly coordinated genetic effects on gene expression, methylation, and histone variation through quantitative trait locus (QTL) mapping and allele-specific (AS) analyses. Finally, we demonstrate colocalization of molecular trait QTLs at 345 unique immune disease loci. This expansive, high-resolution atlas of multi-omics changes yields insights into cell-type-specific correlation between diverse genomic inputs, more generalizable correlations between these inputs, and defines molecular events that may underpin complex disease risk.


Asunto(s)
Epigenómica , Enfermedades del Sistema Inmune/genética , Monocitos/metabolismo , Neutrófilos/metabolismo , Linfocitos T/metabolismo , Transcripción Genética , Adulto , Anciano , Empalme Alternativo , Femenino , Predisposición Genética a la Enfermedad , Células Madre Hematopoyéticas/metabolismo , Código de Histonas , Humanos , Masculino , Persona de Mediana Edad , Sitios de Carácter Cuantitativo , Adulto Joven
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