| 摘要 |
The invention concerns a novel SSA-56 kDA polypeptide and its fragments, cDNA cloning and polynucleotides encoding said polypeptides, cloning and/or expression vectors including said polynucleotides, cells transformed by said vectors and specific antibodies directed against said polypeptides. The invention also concerns methods for detecting and/or assaying said polypeptides and polynucleotides, corresponding diagnostic kits, a method for screening ligands, a method for detecting anti-Ro/SSA-like autoantibodies, a method for purifying a human biological fluid capable of containing anti-Ro/SSA-like autoantibodies, and compounds for use as medicines for preventing and/or treating viral pathologies such as AIDS and autoimmune diseases, in particular systemic lupus erythematosus (SLE)and Sjögren syndrome.
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