Methylamine reaction and denaturation-dependent fragmentation of complement component 3. Comparison with alpha2-macroglobulin.
نویسندگان
چکیده
منابع مشابه
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alpha2-Macroglobulin (alpha2M) has been identified on the luminal surface of endothelial cells in sections of normal human arteries, veins, and lymphatics by the indirect immunofluorescent technique. The specificity of the immunofluorescent reaction was confirmed by immunoabsorption studies. Prior absorption of the anti-alpha2M antiserum by purified alpha2M at equivalence completely inhibited e...
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The following observations indicate that cultured human WI-38 fibroblasts synthesize and secrete alpha2-macroglobulin into serum-free medium: (a) after incubation of cultures with [35S]L-methionine, a labeled protein appeared in the medium which was precipitated by antiserum directed against alpha2-macroglobulin; (b) after incubation of cultures with [35S]L-methionine, a major band of radioacti...
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Alpha2-M (alpha2-macroglobulin) was purified from human plasma by two different procedures. As well as having no detectable impurities by the usual criteria for testing the homogeneity of protein preparations, these alpha2M preparations showed a single component, after reduction in urea, of 185000 daltons by sodium dodecyl sulphate/polyacrylamide-gel electrophoresis. The molecular weight of the...
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ژورنال
عنوان ژورنال: Journal of Biological Chemistry
سال: 1980
ISSN: 0021-9258
DOI: 10.1016/s0021-9258(20)79664-x