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The "S100" symbol prefix denotes that these proteins are soluble in 100%, i.e. saturated, ammonium sulfate at neutral pH. The symbol has often been hyphenated, [12] but current gene and protein nomenclature, such as HUGO Gene Nomenclature Committee nomenclature, does not use hyphens in symbols.
Anti-sp100 antibodies are found in association with primary biliary cirrhosis. [1] The autoimmune target of anti-sp100 is the sp100 nuclear antigen which was identified by its association with primary biliary cirrhosis . 20-30% of patients with primary biliary cirrhosis have sp100 Abs.
20203 Ensembl ENSG00000160307 ENSMUSG00000033208 UniProt P04271 P50114 RefSeq (mRNA) NM_006272 NM_009115 RefSeq (protein) NP_006263 NP_033141 Location (UCSC) Chr 21: 46.6 – 46.61 Mb Chr 10: 76.09 – 76.1 Mb PubMed search Wikidata View/Edit Human View/Edit Mouse S100 calcium-binding protein B (S100B) is a protein of the S100 protein family. S100 proteins are localized in the cytoplasm and ...
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.
The direct Coombs test is used to detect antibodies or complement proteins attached to the surface of red blood cells. To perform the test, a blood sample is taken and the red blood cells are washed (removing the patient's plasma and unbound antibodies from the red blood cells) and then incubated with anti-human globulin ("Coombs reagent").
Serum protein electrophoresis (SPEP or SPE) is a laboratory test that examines specific proteins in the blood called globulins. [1] The most common indications for a serum protein electrophoresis test are to diagnose or monitor multiple myeloma , a monoclonal gammopathy of uncertain significance (MGUS), or further investigate a discrepancy ...
Additionally these tests may show false-negative when the patient's antibody titer is very high due to a hook effect (also called a prozone effect). Because of the issues with false positives, confirmation with a second treponemal test that is specific for T. pallidum antibodies is recommended. [5] [6]
Antibody testing may refer to: Serological testing, tests that detect specific antibodies in the blood; Immunoassay, tests that use antibodies to detect substances;