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  • Title: [The in-vitro effect of the leukocytic cationic protein preparation Intercide on Escherichia coli].
    Author: Bukharin OV, Gritsenko VA.
    Journal: Antibiot Khimioter; 2000; 45(1):16-20. PubMed ID: 10690423.
    Abstract:
    Intercide is a cationic protein with the molecular weight of 11.0-11.5 kD from human leukocytes. The in vitro effect of its different concentrations (0.6 to 1.8 mg/ml) on populations of Escherichia coli M17 and K12 and 120 E.coli isolates from various sources such as water, feces of healthy humans and patients with extraintestinal escherichiosis was studied. The experiments with the bacterial suspensions and broth cultures demonstrated that Intercide had an antibacterial action on both the stationary and growing cells. However, some strains of E.coli were resistant to the lethal effect of Intercide. It was observed for the first time that in a concentration of 1.8 mg/ml Intercide was able to stimulate the biomass growth of some E.coli strains in broth culture. The factor analysis showed that the Intercide stimulating effect was more often evident with respect to extraintestinal escherichiosis pathogens with high anti-Intercide and antilysozyme activities.
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