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Browsing by Author "Hasar, Songul"

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    Determination of Tissue Protective and Antioxidant Activities of Two Medicinal Mushrooms From Turkey Against Ccl4-Lnduced Experimental Oxidative Stress in Rats
    (Begell House inc, 2020) Hasar, Songul; Dogan, Abdulahad; Demirel, Kenan
    This study aimed at determining hepatoprotective and antioxidants effects of Lactarius deliciosus and Agrocybe cylindracea against CCl4-induced oxidative stress (OS) in rats. Herein, 36 rats were divided into 6 groups: (I) Control, (II) CCl4, (III) CCl4 + L. deliciosus, (IV) L. deliciosus, (V) CCl4 + A. cylindracea, and (VI) A. cylindracea. According to the 7-week study results, aspartate aminotransferase (AST), alanine aminotransferase (ALT), glutathione S-transferase (GST) (brain), superoxide dismutase (SOD) (kidney), malondialdehyde (MDA) (kidney), MDA (spleen), MDA (erythrocyte), GST (erythrocyte), and GST (liver) in group III (at 10%, 26%, 34%, 57%, 7%, 25%, 42%, 27%, and 35%, respectively) were significantly lower than in group II. Moreover, the reduced glutathione (GSH) (spleen) and catalase (spleen) in group III (at 20% and 38%, respectively) were significantly higher than in group II. AST, ALT, tri-glyceride, glutathione reductase (GR) (brain), GR (kidney), SOD (spleen), and SOD (liver) in group V (at 194%, 147%, 38%, 36%, 66%, 8%, and 7%, respectively) were significantly higher than in group II. However, MDA (kidney), MDA (erythrocyte), (GSH) (erythrocyte), MDA (liver), GSH (liver), and GST (liver) in group V (at 48%, 35%, 34%, 15%, 30%, and 41%, respectively) were significantly lower than in group II. Hence, while L. deliciosus may exhibit tissue-pro-tective against CCl4-induced OS in rats, A. cylindracea does not.
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    The Protective Effects of the Lactarius Deliciosus and Agrocybe Cylindracea Mushrooms on Histopathology of Carbon Tetrachloride Induced Oxidative Stress in Rats
    (Taylor & Francis Ltd, 2022) Dogan, Abdulahad; Uyar, Ahmet; Hasar, Songul; Keles, Omer Faruk
    We investigated the protective effects of L. deliciosus and A. cylindracea supplementation against carbon tetrachloride (CCI4) induced oxidative stress by measuring levels of adenosine deaminase (ADA) and myeloperoxidase (MPO), and by observing histopathological changes in liver and kidney tissues of rats. We divided 36 rats into six groups: control, CCl4, L. deliciosus, A. cylindracea, CCl4 + L. deliciosus, and CCl4 + A. cylindracea. We found that administration of CCI4, A. cylindracea, and CCl4 + A. cylindracea increased MPO and ADA levels. We observed severe hepato-renal degenerative and necrotic lesions in the CCI4, A. cylindracea and CCl4 + A. cylindracea groups. Severe lesions of the liver and kidney were not observed with A. cylindracea administration. CCI4 induced hepato-renal lesions were ameliorated by L. deliciosus extract supplementation. L. deliciosus could be an important dietary antioxidant for preventing histologic lesions in liver and kidney due to CCI4 induced oxidative stress in rats.