Article
Exonuclease TREX1 degrades double-stranded DNA to prevent spontaneous lupus-like inflammatory disease.
Proceedings of the National Academy of Sciences of the United States of America - 21 Apr 2015
Grieves Jessica L, Fye Jason M, Harvey Scott, Grayson Jason M, Hollis Thomas, Perrino Fred W
Abstract excerpt
The TREX1 gene encodes a potent DNA exonuclease, and mutations in TREX1 cause a spectrum of lupus-like autoimmune diseases. Most lupus patients develop autoantibodies to double-stranded DNA (dsDNA), but the source of DNA antigen is unknown. The TREX1 D18N mutation causes a monogenic, cutaneous form of lupus called familial chilblain lupus, and the TREX1 D18N enzyme exhibits dysfunctional dsDNA-degrading activity,...
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