E A Chernova

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A highly effective method consisting of two affinity chromatography steps and ion-exchange and gel-filtration chromatography steps was developed for purification of autoantibodies from human sera with DNA-hydrolyzing activity. Antibody Fab fragment, which had been purified 130-fold, was shown to catalyze plasmid DNA cleavage. The flow linear dichroism(More)
Catalysis by antibodies could be a frequent phenomenon if the immune system generates a sufficiently diverse number of antibody-active sites, some of which may possess catalytic activity. A catalytic antibody can be expected to do more damage than one that simply binds antigen. The best biochemical marker of systemic lupus erythematosus (SLE) is presence of(More)
The article summarizes the experience of treatment of 107 patients with tracheoesophageal fistula of nonneoplastic etiology. Etiology, diagnostic and treatment approaches were analyzed and compared, depending on the time period. The proportion of patients with combined pathology as tracheoesophageal fistula and cicatrical stenosis of the trachea has(More)