Abstract
Fungi of the Pleurotus genus present a great industrial interest due to their possibility of producing pharmacological compounds, pigments, aromas, organic acids, polysaccharides, enzymes, vitamins, amino acids, etc. Among the therapeutic products, we can highlight those with antineoplasic activity, attributed to the fungi cell wall components. Based on this, the objective of this work was to study the antineoplasic capacity of the polysaccharidic fractions obtained from Pleurotus sajor-caju fruiting bodies. Female Swiss mice were inoculated with the Ehrlich ascitic tumor (5 × 106 cells/animal) in ascitic form. The polysaccharidic fractions were administered intraperitoneally, during a 6-day period. Fractions FI and FII presented a lower volume of ascitic liquid (3.1 and 1.8 mL, respectively) and a higher reduction in the number of neoplasic cells present in the ascitic liquid (86.2% and 85%, respectively), when compared to the positive control (group inoculated with the tumor but without treatment). These fractions were characterized in terms of monosaccharide composition. Glucose was the major component detected, followed by galactose and mannose. The anomeric carbon configuration of the β-glucan was confirmed by the 13C NMR (δ 103.7). Substituted and free C3 and C6 were also detected. Protein bands were confirmed through infrared analysis.
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Acknowledgments
The team wishes to thank the Research and Support Fund—FAP from UNIVILLE for the financial backing for the project; the Basidiomycete Cultivation Center of the Botanical Institute of São Paulo for donating the fungus strain; and Dr. A. A. Steil and Dr. D. Sato, from the University of Itajaí—UNIVALI for the donation of the tumor strain.
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Dalonso, N., Souza, R., Silveira, M.L.L. et al. Characterization and Antineoplasic Effect of Extracts Obtained from Pleurotus sajor-caju Fruiting Bodies. Appl Biochem Biotechnol 160, 2265–2274 (2010). https://doi.org/10.1007/s12010-009-8678-9
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DOI: https://doi.org/10.1007/s12010-009-8678-9