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Two-dimensional gel analysis demonstrates no structural alteration of HLA-B27 polypeptides between patients with ankylosing spondylitis and healthy individuals.
  1. J A Trapani,
  2. I D Walker,
  3. I F McKenzie


    After precipitation of the HLA-B27 antigen from the surface of peripheral blood lymphocytes (PBL) by means of an anti-HLA-B27 allospecific monoclonal antibody 2-dimensional gel electrophoresis was used to compare the structure of the B27 antigens derived from 5 patients with ankylosing spondylitis with that of healthy HLA-B27 positive counterparts. No significant difference in polypeptide structure was noted, which suggests that the pathogenesis of ankylosing spondylitis does not involve a structural alteration in cell surface HLA-B27 molecules.

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