EFFECT OF SULFATED POLYSACCHARIDES FROM BROWN ALGAE ON PROLIFERATIVE ANDCYTOTOXIC ACTIVITY OF MICE SPLENOCYTES


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Abstract

Aim. Study effect of fucoidans from brown algae on proliferative and cytotoxic activity of mice splenocytes.
Materials and methods. Proliferative and cytotoxic activity of mice splenocytes in vitro and ex vivo were studied
in lymphocyte blast transformation reaction and in cytotoxic MTT-test on K562 human erythroblast
leucosis cell line. Microphotography and microscopy were performed by using Axiocam HS photosystem
and computer program AxioVision 4 (Germany). Results. Fucoidans from brown algae Fucus evanescens,
Laminaria cichorioides and Laminaria japonica in vitro and ex vivo systems were established to increase proliferative
activity of mice splenocytes which is evidenced by an increase of stimulation index. Results of in
vitro and ex vivo cytotoxic activity studies demonstrate that fucoidans which are various by chemical structure
stimulate activity of NK-cells and facilitate an increase of splenocyte cytotoxic potential level against NK
sensitive K562 cell line. Conclusion. The data obtained from the study demonstrate an ability of fucoidans to
stimulate splenocyte proliferation and NK-cell killer activity, and studies of relation between structure and
functions of sulfated polysaccharides facilitate a more detailed understanding of aspects of their mechanism
of action on innate immunity system, thus providing the basis for development of new immunobiologic
preparations - modifiers/agonists of innate immunity.

About the authors

I D Makarenkova

I B Semenova

N K Akhmatova

N N Besednova

T N Zvyagintseva

S P Ermakova

I D Makarenkova

Mechnikov Research Institute of Vaccines andSera, Moscow

Mechnikov Research Institute of Vaccines andSera, Moscow

I B Semenova

Mechnikov Research Institute of Vaccines andSera, Moscow

Mechnikov Research Institute of Vaccines andSera, Moscow

N K Akhmatova

N N Besednova

Research Institute of Epidemiology and Microbiology, Vladivostok

Research Institute of Epidemiology and Microbiology, Vladivostok

T N Zvyagintseva

Pacific Institute of Bioorganic Chemistry, Vladivostok

Pacific Institute of Bioorganic Chemistry, Vladivostok

S P Ermakova

Pacific Institute of Bioorganic Chemistry, Vladivostok

Pacific Institute of Bioorganic Chemistry, Vladivostok

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Copyright (c) 2012 Makarenkova I.D., Semenova I.B., Akhmatova N.K., Besednova N.N., Zvyagintseva T.N., Ermakova S.P., Makarenkova I.D., Semenova I.B., Akhmatova N.K., Besednova N.N., Zvyagintseva T.N., Ermakova S.P.

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