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20823 Ensembl ENSG00000138385 ENSMUSG00000068882 UniProt P05455 P32067 RefSeq (mRNA) NM_003142 NM_001294145 NM_001110145 NM_009278 NM_001355265 RefSeq (protein) NP_001281074 NP_003133 NP_001103615 NP_033304 NP_001342194 Location (UCSC) Chr 2: 169.79 – 169.81 Mb Chr 2: 69.69 – 69.7 Mb PubMed search Wikidata View/Edit Human View/Edit Mouse Sjögren syndrome type B antigen (SS-B) also known ...
Autoantibodies refer to the loss of B-cell tolerance leading to production of antibodies directed against diverse organ-specific and organ nonspecific antigens. [34] Association between HLA and SS is restricted to patients with anti-SSA/Ro or anti-SSB/La antibodies.
Immunofluorescence pattern of SS-A and SS-B antibodies. Produced using serum from a patient on HEp-20-10 cells with a FITC conjugate. Anti-SSA autoantibodies (anti–Sjögren's-syndrome-related antigen A autoantibodies, also called anti-Ro, or similar names including anti-SSA/Ro, anti-Ro/SSA, anti–SS-A/Ro, and anti-Ro/SS-A) are a type of anti-nuclear autoantibodies that are associated with ...
In the 1970s, the anti-Ro/anti-SS-A and anti-La/anti-SS-B antibodies were discovered. The Scl-70 antibody was known to be a specific antibody to scleroderma in 1979, however the antigen (topoisomerase-I) was not characterised until 1986. The Jo-1 antigen and antibody were characterised in 1980. [8] [20]
This would result in the antibody-antigen complex not precipitating; leading to invalid results. [4] In addition, some anti-SS-B antibodies commonly identified in Sjögren syndrome may not be detected with this method. However, this method is economically feasible and specific to confirm a diagnosis.
Upon release of nuclear proteins and chromatin, antigen presenting cells, such as dendritic cells and macrophages, display these antigens to T helper cells. Although the details of this process are still controversial, evidence shows that to produce an immune response, DNA must activate an antigen presenting cell to produce type 1 interferons.
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Glycophorin B carries the blood group antigens N, Ss and U. Both glycophorin A and B bind the Vicia graminea anti-N lectin. S and s antigens are not affected by treatment with trypsin or sialidase but are destroyed or much depressed by treatment with papain, pronase or alpha-chymotrypsin. There are about 40 known variants in the MNS blood group ...
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