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国际药用蘑菇期刊
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ISSN 打印: 1521-9437
ISSN 在线: 1940-4344

国际药用蘑菇期刊

DOI: 10.1615/IntJMedMushrooms.2017021305
pages 697-708

Enzymatic System of Antioxidant Protection of Erythrocytes in Diabetic Rats Treated with Medicinal Mushrooms Agaricus brasiliensis and Ganoderma lucidum (Agaricomycetes)

Taras Y. Vitak
Department of Evolutionary and Environmental Biology, Faculty of Natural Science, University of Haifa, Mount Carmel, Haifa, Israel
Solomon P. Wasser
International Centre for Biotechnology and Biodiversity of Fungi Institute of Evolution and Faculty of Natural Sciences University of Haifa, Mt. Carmel, Haifa 31905, Israel
Eviatar D. Nevo
Department of Evolutionary and Environmental Biology, Faculty of Natural Sciences, Institute of Evolution, University of Haifa, 199 Abba Khousi Ave., Mt. Carmel, Haifa 3498838, Israel
Nataliya O. Sybirna
Department of Biochemistry Ivan Franko Lviv National University 4 Hrushevsky St., Lviv 79005 Ukraine

ABSTRACT

Excessive glucose concentrations in blood and cells promote the intensification of auto-oxidation. This is one of the mechanisms through which free radicals form in hyperglycemia. As a result of hyperglycemia, oxidative stress develops and lipid peroxidation (LPO) is enhanced. Erythrocytes are particularly susceptible to reactive oxygen species and LPO, which can violate cell functions. This article describes the analysis of the influence of mycelia from the medicinal mushrooms Agaricus brasiliensis and Ganoderma lucidum on the enzymatic link of the antioxidant system in rat erythrocytes under streptozotocin-induced diabetes mellitus. Oxidative stress was strengthened in red blood cells of diabetic rats, as evidenced by decreased activity of antioxidant enzymes such as superoxide dismutase, catalase, glutathione peroxidase, and glutathione reductase, and by increased amounts of thiobarbituric acid–positive products, which are markers of LPO. Administration of A. brasiliensis and G. lucidum submerged cultivated mycelial powder to animals with streptozotocin-induced diabetes restored superoxide dismutase, catalase, and glutathione peroxidase activity and reduced the amounts of thiobarbituric acid–positive products to control values, but did not affect the activity of glutathione reductase.


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