Abstract
The use of lytic mycobacteriophages to treat tuberculosis under conditions of acquired resistance to anti-tuberculosis drugs is one of the most practical ways to improve the effectiveness of therapy and reduce the spread of this disease. We studied the efficacy of antimycobacterial action of mycobacteriophage D29 encapsulated into 400-nm liposomes in cell models of tuberculosis infection in vitro. The antimycobacterial action of lytic mycobacteriophage D29 used in free or liposome-encapsulated forms was demonstrated on cell models of intracellularly infected RAW264.7 macrophages and tuberculous granuloma formed by human blood mononuclear cells. The experiments demonstrated pronounced advantage of liposomal form of mycobacteriophage according to the criteria of their penetration into macrophages and lysis of Mycobacterium tuberculosis in culture.
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