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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 ...
This staining pattern is seen with anti-Ro and anti-La antibodies. Anti-Ro and anti-La antibodies, also known as SS-A and SS-B, respectively, are commonly found in primary Sjögren's syndrome, an autoimmune disorder that affects the exocrine glands. The presence of both antibodies is found in 30–60% of Sjögren's syndrome, anti-Ro antibodies ...
The six main antigens used in immunological laboratories for detection are Ro, La, Sm, RNP, Scl-70 and Jo1, [7] which are screened for by Ouchterlony double immuno diffusion techniques and confirmed by immunoblotting. On anti-nuclear antibody tests, these antigens have a speckled pattern. [8]
Neonatal lupus erythematosus is an autoimmune disease in an infant born to a mother with anti-Ro/SSA and with or without anti-La/SSB antibodies. [1] [2] The disease most commonly presents with a diffuse/periorbital rash resembling subacute cutaneous lupus erythematosus and can have systemic abnormalities such as complete heart block or hepatosplenomegaly. [3]
Autoantibodies often tested include anti-Ro/SSA, [38] anti-nuclear antibody, anti-U1-RNP, anti-Ku, and anti-PM-Scl. [37] Although anti-La/SSB and anti-Ro/SSA are often associated with Sjogren's syndrome they have been associated with antisynthetase syndrome and severe fibrotic idiopathic interstitial lung disease by high-resolution computed ...
It is caused by certain antinuclear antibodies, e.g., the immunoglobulin G types of the anti-SSA/Ro autoantibodies (e.g., anti-Ro/SS-A and anti-La/SS-B) and anti-nRNP (also termed anti-U1RNP). These antibodies form in the mother and pass from her circulation through the placenta to the fetus where they cause an often severe form of SLE that is ...
Calreticulin binds to antibodies in certain area of systemic lupus and Sjögren patients that contain anti-Ro/SSA antibodies. Systemic lupus erythematosus is associated with increased autoantibody titers against calreticulin, but calreticulin is not a Ro/SS-A antigen.
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 ...