نتایج جستجو برای: invariant natural killer t cells
تعداد نتایج: 2390302 فیلتر نتایج به سال:
Natural killer T (NKT) cells are a subset of T lymphocytes that share surface markers and functional characteristics with both conventional T lymphocytes and natural killer cells. Most NKT cells express a semi-invariant T cell receptor that reacts with glycolipid antigens presented by the major histocompatibility complex class I-related protein CD1d on the surface of antigen-presenting cells. N...
AIM To identify which blood and mucosal lymphocyte populations are specifically depleted by thiopurine use in vivo. METHODS The thiopurines azathioprine and 6-mercaptopurine have been a mainstay of inflammatory bowel disease (IBD) therapy for decades, but their mechanism of action in vivo remains obscure. Although thiopurines are lymphotoxic at high doses, and have been reported to cause T ce...
Background: Pregnancy is a phenomenon that antigens of semi allogenic fetus are in direct contact with mother's immune system. Immune dysregulation can cause fetus rejection by mother's immune system responses. Human leukocyte antigen-G1, as an immunotolerant molecule has a major role to induce tolerance during pregnancy by suppression of natural killer cells through inhibitor receptors on thes...
The roles of natural killer (NK)T cells in intestinal immunity have not been sufficiently investigated. The bowel possesses its own unique mucosal immune system, the gut-associated lymphoepithelial tract (GALT). In this review, we focused on CD1d-independent invariant type NKT (iNKT) cells as modulators of GALT. iNKT cells have a restricted invariant T-cell receptor (TCR) Vα24 chain paired with...
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