A V Nartikov

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Type I collagen in skin of rats who were given redundant amounts of leucin, valine, methionine or phenyl alanine differed essentially from the normal level in the amino acidic composition. Considerable shifts in the value of pI of the proteins under study as compared with the normal level are found during isofocusing. When studying subunits of collagen(More)
Collagen I was isolated from human bone tissue and from mice bone tissue of the AKR-50 strain at the pronounced stage of leukosis. Dissimilarity of native and leukemic collagens was exhibited after evaluation of their amino acid composition, electrophoretic mobility in polyacrylamide gel containing SDS, content of the carbohydrate moiety as well as of(More)
Immunobiologic activities of tuberculin preparations and their components have been comparatively studied using gel filtration and high-performance liquid chromatography (HPLC) techniques. It is shown that high-molecular weight fraction of protein-purified derivate tuberculin (PPD) had higher activity as compared to nonfractionated preparation in skin tests(More)
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