Know thy mitochondria: Autoimmunity to organelles and their DNA

The immune system uses its mitochondria to self-stimulate innate and adaptive responses to infection. Reactive oxygen species (ROS), immunogenic mitochondrial DNA (mtDNA), and even whole mitochondria are locally mobilized in a delicate balance to create hot spots of inflammatory action. When normal limiting feedback on these processes is compromised, destructive autoimmune reactions often arise.
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