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The aim was to assess the effect of silver nanoparticles on the expression of proand anti-apoptotic proteins caspase-3 and bcl-2 by discriminant analysis. Materials and methods. 120 sexually mature outbred male rats were divided into 8 groups (pure arabinogalactan (AG), pure poly-1-vinyl-1,2,4-triazol (PVT), nanobiocomposites on the AG and PVT matrix at a dose of 100 and 500 μg/kg. The administration was done orally for 9 days. The experimental study was carried out in two stages. The first stage included the examination of animals immediately after the end of the exposure of the studied substances (early period), the second stage – a survey 6 months after the end of the exposure (the long-term period). Results. The most distinguished groups were the groups that were administered silver nanoparticles on the AG matrix at a dose of 100 and 500 μg/kg. Conclusion. Comparison of the results of the discriminant analysis allowed to fully determine the effect of silver nanoparticles on the expression of proand anti-apoptotic proteins caspase-3 and bcl-2 when they were introduced on the AG and PVT matrix. In the AG groups and nanobiocomposites based on it, in the feature space, it was shown that the most remote by differentiating characteristics are the groups nAG100 and nAG500. In nanocomposites on the PVT matrix, a group of animals differing in differentiating features has not been identified.

acta biomedica scientifica

Mathematical Assessment of Results of Investigation of the BCL-2 and Caspase-3 Protein Expression under the Influence of nanobiocomposites of Silver on natural and Synthetic Matrixes