Part 22 1. Since residue 116 interacts with the C terminus of the peptide, it is possible that the two subtypes differ in their antigen-presenting features. MRI of vertebral osteitis in early ankylosing spondylitis.
Prehistoric juvenile rheumatoid arthritis in a precontact Louisiana native population reconsidered.
In other words, as prehistoric Native American exposure to tick vectors for B. burgdorferi decreased, susceptibility to treponematosis increased. Inferences regarding biological controls interacting with and influencing prehistoric Native American migration patterns are suggested from the link of B. burgdorferi to an Ixodid tick common to northeast Asia. The prevalence of spondylarthropathies is directly correlated with the prevalence of the HLA-B27 antigen in the population. All of these may also occur in isolation. CT permits the diagnosis since it shows a higher degree of sacroiliitis.