Decreased IDO activity and increased TTS expression break immune tolerance in patients with immune thrombocytopenia.
2011
Introduction
Indoleamine 2,3-dioxygenase (IDO) can promote peripheral immune tolerance and control autoimmune responses through tryptophan catabolism. Tryptophanyl-tRNA synthetase (TTS) can protect T cells from IDO-mediated cell injury. Impaired IDO-mediated tryptophan catabolism has been observed in some autoimmune diseases.
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