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Unique autoantibody specificities are strongly associated with distinct clinical phenotypes, making autoantibodies useful for diagnosis and prognosis. To investigate the mechanisms underlying this striking association, we examined autoantigen expression in normal muscle and in muscle from patients with autoimmune myositis. Although myositis autoantigens are(More)
Germline variation in genes that encode the human T cell receptors (TCRs) may have an important influence in shaping the immune T cell repertoire. In this report we describe a frequent null allele of the human V beta 18 gene, resulting from a nucleotide substitution that creates a stop codon (CGA<-->TGA). Approximately 11% of the population tested was(More)
We analyzed myelin basic protein (MBP) specific T cell hybridoma clones from (B10.PL x PL/J)F1 mice. MBP-reacting T cell hybridomas from F1 mice preferentially expressed B10.PL TcraV2.3 (53%) and B10.PL TcraV4.2 (13%) with minor expression of TcraV4.4 (13%) gene segments. A dominant expression of TcrbV8.2 (73%) accompanying with TcrbV8.1 (20%) and TcrbV13(More)
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