نتایج جستجو برای: killer cell immunoglobulin like receptor
تعداد نتایج: 2606499 فیلتر نتایج به سال:
Killer immunoglobulin-like receptor (KIR) recognition of specific human histocompatibility leukocyte antigen (HLA) class I allotypes contributes to the array of receptor-ligand interactions that determine natural killer (NK) cell response to its target. Contrasting genetic effects of KIR/HLA combinations have been observed in infectious and autoimmune diseases, where genotypes associated with N...
Natural killer (NK) cells express a repertoire of killer cell inhibitory receptors (KIR) for major histocompatibility complex (MHC) class I molecules. KIR specificity for MHC class I can be broad, as in the case of a single p70 KIR that can recognize several HLA-B allotypes, including HLA-B*2705. On the other hand, recognition of MHC class I can also be highly specific, as in the case of NK clo...
A genome-wide screen for large structural variants showed that a copy number variant (CNV) in the region encoding killer cell immunoglobulin-like receptors (KIR) associates with HIV-1 control as measured by plasma viral load at set point in individuals of European ancestry. This CNV encompasses the KIR3DL1-KIR3DS1 locus, encoding receptors that interact with specific HLA-Bw4 molecules to regula...
Natural killer (NK) cells exhibit cytotoxicity against variety of tumor cells and virus-infected cells without prior sensitization and represent unique lymphocytes involved in primary host defense. NKR-P1 is thought to be one of NK receptors mediating activation signals because cross-linking of NKR-P1 activates NK cells to exhibit cytotoxicity and IFN-gamma production. However, molecular mechan...
Killer cell immunoglobulin-like receptor/HLA class I (KIR/HLA-I) combinations are associated with disease risk, implicating functional roles for NK cells (NKCs) or KIR(+) T cells. KIR/HLA-I interactions can act through inhibition of NKC activation by target cells and NKC licensing for greater intrinsic responsiveness. We compared licensing conferred by the weaker, HLA-C group 1/KIR2DL3, and the...
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