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  • Title: [Indirect immunoprecipitation by rat liver polyribosomes using antibodies to tyrosine aminotransferase].
    Author: Chesnokov VN, Blinova NN, Mertvetsov NP.
    Journal: Biokhimiia; 1978; 43(4):625-30. PubMed ID: 26425.
    Abstract:
    A fraction of rat liver polyribosomes is isolated, which in its immunochemical characteristics considerably enriched with polyribosomes capable to synthesize hydrocortisone-induced liver tyrosine aminotransferase isoenzyme. This specific polyribosome fraction was purified by immunochemical fractionation of total liver polyribosomes using indirect precipitation. The content of polyribosomes in immunoprecipitates comprise 0.4-0.8% of its initial amount (before immunochemical fractionation). The ratio of specific polyribosomes in immunoprecipitates varies from 20 to 45%, which corresponds to 25-100-fold purification. The data obtained suggest that the method of indirect precipitation can be an efficient step in the isolation procedure of individual mRNA.
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