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Anti-centromere antibodies are found in approximately 60% of patients with limited systemic scleroderma and in 15% of those with the diffuse form of scleroderma. The specificity of this test is >98%. Thus, a positive anti-centromere antibody finding is strongly suggestive of limited systemic scleroderma.
1059 12616 Ensembl ENSG00000125817 ENSMUSG00000068267 UniProt P07199 P27790 RefSeq (mRNA) NM_001810 NM_007682 RefSeq (protein) NP_001801 NP_031708 Location (UCSC) Chr 20: 3.78 – 3.79 Mb Chr 2: 131.02 – 131.02 Mb PubMed search Wikidata View/Edit Human View/Edit Mouse Centromere protein B also known as major centromere autoantigen B is an autoantigen protein of the cell nucleus. In humans ...
Reference ranges (reference intervals) for blood tests are sets of values used by a health professional to interpret a set of medical test results from blood samples. Reference ranges for blood tests are studied within the field of clinical chemistry (also known as "clinical biochemistry", "chemical pathology" or "pure blood chemistry"), the ...
Main antinuclear antibody patterns on immunofluorescence. [4] CREST syndrome typically displays the centromere pattern. CREST is not easily diagnosed as it closely mimics symptoms of other connective tissue and autoimmune diseases. Diagnoses are usually given when a patient presents two or more of the five major clinical symptoms. [5]
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 ...
Positive ANA as well as anti-DNA antibodies have been reported in patients with autoimmune thyroid disease. [65] [66] ANA can have a positive test result in up to 45% of people with autoimmune thyroid conditions or rheumatoid arthritis and up to 15% of people with HIV or hepatitis C.
Since this activity occurs in the nucleus of the cell ATA is a form of antinuclear antibody. Scleroderma results from the overproduction of collagen in affected tissues, one study claims that there is an increased density of Topoisomerase I sites in the collagen genes, and that the antibodies may be altering transcription at these loci. [7]
Since these antibodies sometimes destroy red blood cells they can cause anemia; this test can help clarify the condition. The indirect Coombs test detects antibodies that are floating freely in the blood. [1] These antibodies could act against certain red blood cells; the test can be carried out to diagnose reactions to a blood transfusion. [1]