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SLE-associated risk factors affect DC function
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DOI：10.1111/imr.12348.png)
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Abstract
En 中文
Numerous risk alleles for systemic lupus erythematosus (SLE) have now been identified. Analysis of the expression of genes with risk alleles in cells of hematopoietic origin demonstrates them to be most abundantly expressed in B cells and dendritic cells (DCs), suggesting that these cell types may be the drivers of the inflammatory changes seen in SLE. DCs are of particular interest as they act to connect the innate and the adaptive immune response. Thus, DCs can transform inflammation into autoimmunity, and autoantibodies are the hallmark of SLE. In this review, we focus on mechanisms of tolerance that maintain DCs in a non-activated, non-immunogenic state. We demonstrate, using examples from our own studies, how alterations in DC function stemming from either DC-intrinsic abnormalities or DC-extrinsic regulators of function can predispose to autoimmunity.
Keywords:
dendritic cells
immune tolerance
risk alleles
systemic lupus
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