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| Product Name | nRNP Complex, Calf Spleen |
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| Description | nRNP Complex antigen is a non-histone nuclear protein composed of several polypeptides of differing molecular weights. It has been shown that RNP and Sm are distinct antigenic sites on the same nuclear molecular matrix consisting of RNA and eight polypeptides, including 70kD, A(33kD), C(22kD) and the Sm peptides B (26kD), B'(27kD), D(13 kD), E/F (11kD doublet), and G (9kD). Autoantibodies against the nRNP antigen precipitate the U1a and U1b small nuclear RNAs (2). The nRNP antigen is involved in normal post transcriptional, premessenger RNA processing to excise introns. (3) It has been demonstrated that the nRNP antigen is both RNase and tryptic digestion sensitive (4). Autoantibodies to the nRNP antigen, in high titers, have been strongly associated with patients who have Mixed Connective Tissue Disease (MCTD) (5). Other studies have shown that antibodies against the 70kD polypeptide are found more frequently in sera of MCTD than in anti-nRNP positive SLE patients (6). It has been sug |
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| Size | 1000U |
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| Concentration | n/a |
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| Applications | ELISA |
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| Other Names | n/a |
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| Gene, Accession, CAS # | n/a |
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| Catalog # | 208573 |
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| Order / More Info | nRNP Complex, Calf Spleen from UNITED STATES BIOLOGICAL |
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| Product Specific References | n/a |
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