Production of Soluble Human Gamma Interferon in the  Escherichia coli  Expression System with a Decrease in Cultivation Temperature

E. A. Volosnikova; Волосникова Е. А.; T. I. Esina; Есина Т. И.; D. N. Shcherbakov; Щербаков Д. Н.; N. V. Volkova; Волкова Н. В.; Ya. S. Gogina; Гогина Я. С.; T. A. Tereshchenko; Терещенко Т. А.; E. D. Danilenko; Даниленко Е. Д.

doi:10.31857/S0555109923020174

Production of Soluble Human Gamma Interferon in the Escherichia coli Expression System with a Decrease in Cultivation Temperature

Authors: Volosnikova E.A.¹, Esina T.I.¹, Shcherbakov D.N.¹, Volkova N.V.¹, Gogina Y.S.¹, Tereshchenko T.A.¹, Danilenko E.D.¹
Affiliations:
1. State Research Center of Virology and Biotechnology “Vector”
Issue: Vol 59, No 2 (2023)
Pages: 167-173
Section: Articles
URL: https://cardiosomatics.ru/0555-1099/article/view/674632
DOI: https://doi.org/10.31857/S0555109923020174
EDN: https://elibrary.ru/LVLPXU
ID: 674632

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Abstract
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Abstract

A recombinant strain producing human gamma interferon (IFN-γ) E. coli BL 21/pET-IFN-γ was constructed, providing a high level of its expression. A method has been developed for obtaining a soluble form of recombinant IFN-γ, consisting of the processes of producing a biomass of a producer strain containing a target protein in an amount of 32–37% of the total content of cellular proteins, protein isolation and purification. The purification process included the stages of disintegration, clarification of the cell lysate, chromatographic purification and dialysis. The developed method makes it possible to obtain from 1 g of wet biomass up to 5 mg of the drug with a purity of at least 95% and high specific (antiviral) activity.

Keywords

human recombinant gamma interferon, producer strain, cultivation, chromatography, specific activity

References

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