EFFECT OF PLANT EXTRACTS ON CYTOTOXIC ACTIVITY OF VIBRIO CHOLERAE HEMOLYSIN


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Abstract

Aim. Study of plant extracts that have the ability to neutralize cytotoxic activity of hemolysin. Materials and methods. Preparations of purified and recombinant V. cholerae eltor hemolysin as well as supernatants of V. cholerae strains were used. Determination of cytotoxic activity of hemolysin and neutralizing activity of plant extracts were carried out by using cell cultures СНО-К1 and CaCo2. Results. Out of 9 water extracts only 3 - extracts of Rhei rhizome, Limonium gmeli-nii and Quercus robur neutralized hemolysin in cell culture CHO-K1 and CaCo2, whereas the other extracts - Humulus lupulus, Ocimum basilicum, Chelidonium majus, Juglans regia, Achillea milefolium and Hypericum perforatum did not have anti-cytotoxic effect. Neutralizing properties of extracts are exhibited during their co-incubation with hemolysin preparations and supernatants of V. cholerae strains already within 10 minutes. Conclusion. Plant extracts that have anti-cytotoxic activity against hemolysin are perspective for development of therapeutic-prophylaxis preparations.

About the authors

O. V Markina

Rostov-on-Don Institute of Plague Control, Rostov-on-Don, Russia

L. P Alekseeva

Rostov-on-Don Institute of Plague Control, Rostov-on-Don, Russia

N. V Markin

Research Institute of Biology of Southern Federal University, Rostov-on-Don, Russia

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Copyright (c) 2013 Markina O.V., Alekseeva L.P., Markin N.V.

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