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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 ...
Anti-centromere antibodies are associated with limited cutaneous systemic sclerosis, also known as CREST syndrome, primary biliary cirrhosis and proximal scleroderma. [44] There are six known antigens, which are all associated with the centromere; CENP-A to CENP-F. CENP-A is a 17kDa histone H3-like protein. CENP-B is an 80kDa DNA binding ...
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]
A study conducted in 2018 screened patients with wheat related disorders for 10 anti-ENA antibodies. SSA (Ro) SSB (La) RNP/Sm; Jo-1; Sm; Scl-70; Chromatin; Centromere; Histone; RNA polymerase III; 73% of celiac disease subjects tested positive for anti-histone and was the most prevalent, which is typically associated with drug-induced lupus ...
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 this diagram of a duplicated chromosome, (2) identifies the centromere—the region that joins the two sister chromatids, or each half of the chromosome. In prophase of mitosis, specialized regions on centromeres called kinetochores attach chromosomes to spindle fibers. The centromere links a pair of sister chromatids together during cell ...
However, CREST syndrome is more closely associated with anti-centromere antibodies. [3] Scl-70 antibodies are associated with more severe scleroderma disease. [4] Anti-topoisomerase antibodies can be classified according to their immunoglobulin class (IgM, IgG or IgA).