نتایج جستجو برای: b2705
تعداد نتایج: 6 فیلتر نتایج به سال:
The human class I MHC molecules are known to generally exist on the cell surface either as peptide-containing complexes of H chain (alpha-chain) and beta(2)-microglobulin (beta(2)m) or as beta(2)m-free H chains incapable of binding peptides. In this study, a uniquely conformed peptide-containing beta(2)m-free HLA-B2705 H chain has been isolated using the recently described highly efficient perf...
Viral mutational escape can reduce or abrogate recognition by the T cell receptor (TCR) of virus-specific CD8+ T cells. However, very little is known about the impact of cytotoxic T lymphocyte (CTL) epitope mutations on interactions between peptide-major histocompatibility complex (MHC) class I complexes and MHC class I receptors expressed on other cell types. Here, we analyzed a variant of the...
Different HLA class I alleles display a distinctive dependence on tapasin for surface expression and Ag presentation. In this study, we show that the tapasin dependence of HLA class I alleles correlates to the nature of the amino acid residues present at the naturally polymorphic position 114. The tapasin dependence of HLA class I alleles bearing different residues at position 114 decreases in ...
Ankylosing spondylitis (AS) is one of the most common causes of inflammatory arthritis, with an estimated prevalence of 0.1-0.9%. Genetic factors have been strongly implicated in its aetiology, and heritability as assessed by twin studies has been estimated to be >90%. HLA- B27 is almost essential for inheritance of AS; it is not merely sufficient for explaining the pattern of familial recurren...
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