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Depression: 21st Century Solutions + The Dark Side of Wheat

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Abstract Title:

Antiproliferative Activity and Cytotoxicity of Some Medicinal Wood-Destroying Mushrooms from Russia.

Abstract Source:

Int J Med Mushrooms. 2018 ;20(1):1-11. PMID: 29604909

Abstract Author(s):

Alla V Shnyreva, Anastasia A Shnyreva, Cesar Espinoza, José M Padrón, Ángel Trigos

Article Affiliation:

Alla V Shnyreva

Abstract:

We analyzed the antiproliferative activity of 6 medicinal wood-destroying mushrooms (Fomes fomentarius, Fomitopsis pinicola, Trametes versicolor, Trichaptum biforme, Inonotus obliquus, and Coniophora puteana) that are common in deciduous and mixed coniferous forests in Central Russia. Morphological identification of strains collected from the wild was confirmed based on ribosomal DNA internal transcribed spacer phylogenetic analysis. We observed cytotoxic and cell growth-inhibitory effects of hot water extracts from mycelial biomass of 5 species-T. versicolor, C. puteana, F. fomentarius, F. pinicola, and I. obliquus-on leukemia cell lines (Jukart, K562, and THP-1); the effective extract concentrations were mostly less than 50μg · mL-1. However, we observed no antiproliferative activity of dry biomass from methanol-chloroform (1:1) extracts of C. puteana and F. fomentarius. A chemosensitivity assay showed that the most effective polypore mushroom extract was the methanol extract of T. versicolor (strain It-1), which inhibited the growth of 6 various solid tumors (A-549 and SWi573 [lung], HBL-100 and T-47D [breast], HeLa [cervix], and WiDr [colon]) at concentrations below 45 μg · mL-1, with a concentration as low as 0.7-3.6 μg · mL-1 causing 50% reduction in the proliferation of cancer cells in lung and cervixtumors. Methanol extracts of F. pinicola and I. obliquus were less effective, with proliferation-inhibiting capacities at concentrations below 70 and 200 μg · mL-1, respectively. Thus, T. versicolor is a prospective candidate in the search for and production of new antiproliferative chemical compounds.

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Depression: 21st Century Solutions + The Dark Side of Wheat

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