FIELD: technological processes; medicine.
SUBSTANCE: invention is related to preparation of recombinant analogues of human gamma-interferon and may be used in medicine for prophylactics and treatment of oncological diseases, neoplasms and inflammatory processes of humans. Highly pure genetically engineered analogue of human gamma-interferon - deltaferon with molecular mass of 16.2 kilo Daltons is produced by microbiological synthesis with further chromatographic purification on "KM"-sepharose - cationic-exchange sorbent with high linear speed of flow and suitable for preparative loads, at different pH values. On the basis of deltaferon, which contains by data of polyacrylamide gel-sodium dodecyl sulfate electrophoresis at least 98% of main substance in the form of monomer that possesses antiproliferative and anti-inflammatory activities inherent in gamma-interferon, medical product is prepared, which also includes low molecular polymer filler-stabiliser (reopolyglukine or polyvinylpyrrolidone) and salt buffer system with pH 7.0-7.1.
EFFECT: highly active and stable preparation of deltaferon is produced.
2 cl, 6 dwg, 1 tbl, 3 ex
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