Systematic discovery and perturbation of regulatory genes in human T cells reveals the architecture of immune networks.
Nat Genet
; 54(8): 1133-1144, 2022 08.
Article
em En
| MEDLINE
| ID: mdl-35817986
ABSTRACT
Gene regulatory networks ensure that important genes are expressed at precise levels. When gene expression is sufficiently perturbed, it can lead to disease. To understand how gene expression disruptions percolate through a network, we must first map connections between regulatory genes and their downstream targets. However, we lack comprehensive knowledge of the upstream regulators of most genes. Here, we developed an approach for systematic discovery of upstream regulators of critical immune factors-IL2RA, IL-2 and CTLA4-in primary human T cells. Then, we mapped the network of the target genes of these regulators and putative cis-regulatory elements using CRISPR perturbations, RNA-seq and ATAC-seq. These regulators form densely interconnected networks with extensive feedback loops. Furthermore, this network is enriched for immune-associated disease variants and genes. These results provide insight into how immune-associated disease genes are regulated in T cells and broader principles about the structure of human gene regulatory networks.
Texto completo:
1
Base de dados:
MEDLINE
Assunto principal:
Linfócitos T
/
Genes Reguladores
/
Redes Reguladoras de Genes
Limite:
Humans
Idioma:
En
Ano de publicação:
2022
Tipo de documento:
Article