Words similar to autoantigen
Example sentences for: autoantigen
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T1DM susceptibility in the NOD mouse is linked to I-A g7, the murine MHC class II gene that encodes a histidine at position 56 and a serine at position 57 in the β chain, in place of the more frequent proline 56β and aspartic acid 57β [ 3 ] . The development of diabetes is prevented in NOD.PD mice (which are NOD mice with I-A g7) that carry a β chain transgene with site-specific mutations that restore proline and aspartic acid at positions 56β and 57β, respectively [ 4 ] . Furthermore, because of the two amino acid changes in the additional (transgenic) MHC class II allele β chain in NOD.PD mice, NOD.PD mice recognize three additional peptide epitopes in the glutamic acid decarboxylase 65 (GAD65) autoantigen [ 5 ] .
We also investigated the distribution of gravin at the NMJ because this AKAP is an autoantigen for myasthenia gravis, a degenerative disease of the NMJ.
Significantly, the disappearance of these antibodies, possibly because of removal of the autoantigen, has been associated with favorable outcomes [ 20].
Although direct evidence that autoantigen cleavage fragments produced during cell death elicit autoantibody responses is still scarce, Pollard et al . reported that immunization of B10.S mice (H-2 s) with a 19 kDa proteolytic cleavage fragment of fibrillarin (derived from nonapoptotic cell death) elicited antibodies that are comparable with human anti-fibrillarin autoantibodies and those derived from mice exposed to mercury [ 40 ] . In a study using human sera, Greidinger et al . reported that the recognition of apoptosis-derived and oxidatively modified forms of the 70 kDa subunit of U1 small nuclear ribonucleoprotein autoantigen was associated with distinct disease manifestations [ 41 ] . Furthermore, Oriss et al . demonstrated that a combination of antigen-processing cells and a fragment of DNA topoisomerase I efficiently elicited autoreactive T-cell proliferation, whereas the full-length topoisomerase I required additional stimulus of exogenous interleukin-2 [ 42 ] .
At present, the origin of their target autoantigen is not clear.
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