Indoleamine 2,3-dioxygenase-1 (Ido), which catalyzes the first and limiting step of tryptophan catabolism, has been implicated in immune tolerance. However, the roles of Ido in systemic bacterial infection are complicated and remain controversial....
Biochimica et biophysica acta 1842(9) 1464-71 2014年9月
UNLABELLED: Indoleamine 2,3-dioxygenase (IDO), an enzyme that is ubiquitously distributed in mammalian tissues and cells, converts tryptophan to kynurenine, and is also known as a key molecule that promotes apoptosis in lymphocytes and neurons. In...
Cytotoxic T lymphocytes (CTLs) are thought to be major effectors involved in viral clearance during acute infections, including hepatitis B virus (HBV) infection. A persistent HBV infection is characterized by a lack of or a weak CTL response to H...
Tatsuya Ando Hiroyasu Ito Hirofumi Ohtaki Mitsuru Seishima
Scientific reports 3 2559-2559 2013年
Vα14 natural killer T (iNKT) cells activated by alpha-galactosylceramide (GalCer) secrete a large amount of cytokines. Toll-like receptors (TLRs) play a critical role in the innate immune responses via the recognition of pathological antigen. Prev...
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