Gene/Protein Disease Symptom Drug Enzyme Compound
Pivot Concepts:   Target Concepts:
Query: UMLS:C0027121 (myositis)
4,538 document(s) hit in 31,850,051 MEDLINE articles (0.00 seconds)

We identify 4 patients with progressive systemic sclerosis (PSS) possessing a previously undescribed serum anti-tRNA Ab (anti-Wa antibody). These sera yielded identical precipitin lines under double immunodiffusion using calf thymus extract and supernatant of pig spleen homogenate as antigen sources. Furthermore, all 4 sera were found to react with a 48 kDa protein using immunoblotting. This protein was subsequently found to be associated with tRNA when immunoprecipitation was conducted. In a survey of autoimmune patients' sera, anti-Wa Ab was observed in 3% (4 of 130) of patients with PSS, but not in other systemic rheumatic diseases. None of the 4 patients with PSS with anti-Wa Ab had myositis except that one patient complained of mild myalgia.
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PMID:A novel autoantibody reactive with a 48 kDa tRNA associated protein in patients with scleroderma. 190 37