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Genetic dissection of dendritic cell homeostasis and function: lessons from cell type-specific gene ablation

Author:
Karmaus, Peer W. F., Chi, Hongbo
Source:
Cellular and molecular life sciences 2014 v.71 no.10 pp. 1893-1906
ISSN:
1420-682X
Subject:
antigen presentation, cytokines, dendritic cells, gene deletion, genes, homeostasis, immune response, longevity
Abstract:
Dendritic cells (DCs) are a heterogeneous cell population of great importance in the immune system. The emergence of new genetic technology utilizing the CD11c promoter and Cre recombinase has facilitated the dissection of functional significance and molecular regulation of DCs in immune responses and homeostasis in vivo. For the first time, this strategy allows observation of the effects of DC-specific gene deletion on immune system function in an intact organism. In this review, we present the latest findings from studies using the Cre recombinase system for cell type-specific deletion of key molecules that mediate DC homeostasis and function. Our focus is on the molecular pathways that orchestrate DC life span, migration, antigen presentation, pattern recognition, and cytokine production and signaling.
Agid:
1210714