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Main antinuclear antibody patterns on immunofluorescence [1] Homogeneous immunofluorescence staining pattern of double stranded DNA antibodies on HEp-20-10 cells. Interphase cells show homogeneous nuclear staining while mitotic cells show staining of the condensed chromosome regions.
HEp-2 cells provide a greater ability to differentiate patterns of ANA than animal sections, due to the large nuclei and high mitotic rate of the cell line. Upon incubation with serum containing anti-dsDNA antibodies and fluorescent labelled secondary antibodies, homogeneous staining of interphase nuclei and condensed chromosomal staining of ...
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 ...
Immunofluorescence staining pattern of anti-Sp100 antibodies on HEp-20-10 cells. Two proteins, Sp100 and promyelocytic leukemia factor are localized to punctate domains in the nucleus (nuclear dots or nuclear bodies). These domains (few to 20) were found to form a donut-shaped structure when cells were starved of amino acids.
p-ANCA is associated with several medical conditions: [3] It is fairly specific, but not sensitive for ulcerative colitis, so is not useful as a sole diagnostic test. [4] When measured together with anti-saccharomyces cerevisiae antibodies (ASCA), p-ANCA has been estimated to have a specificity of 97% and a sensitivity of 48% in differentiating patients with ulcerative colitis from normal ...
Immunofluorescence staining pattern of sp100 antibodies. Nuclear dots can be seen in the nucleus of the cells. Produced using serum from a patient with primary biliary cirrhosis on HEp-20-10 cells with a FITC conjugate. These, or similar, bodies have been found increased in the presence of lymphoid cancers [25] [26] and SLE (lupus). [27]
"Diffusion Patterns". Immunodiffusion principles and application. Archived from the original on 2019-12-11 Photographs of Ouchterlony immunodiffusion patterns showing stained precipitin lines of full identity, partial identity and non-identity. "Ouchterlony Assay". YouTube. Bio-Rad Laboratories. October 16, 2012.
Immunofluorescence (IF) on ethanol-fixed neutrophils is used to detect ANCA, although formalin-fixed neutrophils may be used to help differentiate ANCA patterns. ANCA can be divided into four patterns when visualised by IF; cytoplasmic ANCA (c-ANCA), C-ANCA (atypical), perinuclear ANCA (p-ANCA) and atypical ANCA (a-ANCA), also known as x-ANCA. c-ANCA shows cytoplasmic granular fluorescence ...