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Evaluation of pathological changes in broilers during chronic aflatoxin (50 and 100 ppb) and clinoptilolite exposure
Scopus
Toplam 156 atıf DOI
This study was conducted to evaluate the pathological changes in broilers fed a diet containing low-levels of aflatoxin (AF) and clinoptilolite (CLI) until 42 days of age. A total of 576 one-day-old Ross-308 type broiler chicks were treated with varying levels of AF and CLI (15 g kg-1). The gross and histopathological changes in the liver, kidneys, spleen, thymus and bursa of Fabricius were investigated and relative organ weights were calculated. Compared to controls, significant changes (P < 0.05), such as slight to moderate hydropic degeneration and/or fatty change (8 cases of 10), bile-duct hyperplasia (7 of 10) and periportal fibrosis (5 of 10), were found in chicks fed 100 ppb AF-containing diet. No gross-pathological changes were observed in any treatments. The addition of CLI to the 100 ppb AF-containing diet significantly decreased the number of affected broilers and/or the severity of lesions (hydropic degeneration and bile-duct hyperplasia) in the livers (P < 0.05). The addition of CLI to the AF-free diet did not produce any significant lesions compared with the controls. © 2004 Published by Elsevier Ltd.
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The effect of curcumin on some cytokines, antioxidants and liver function tests in rats induced by Aflatoxin B1
Scopus
Havuzumuzda Open Access 38 atıf almış
Aflatoxins are common food contaminants threating human and animal health. Aflatoxin B1 (AFB1) toxication can lead to important health issues. Recent studies have revealed the therapeutic effect of curcumin (Cur) and have drawn attention in the pharmaceutical industry. The therapeutic efficacy of Cur on AFB1-induced oxidative stress, pro-inflammatory response, and hepatorenal damage has not been adequately studied. This study was conducted to evaluate the protective efficacy of Cur on several lipid peroxidation and antioxidant defense system enzymes, some pro-inflammatory cytokines, and liver function tests in rats suffering from chronic aflatoxicosis induced by AFB1 administered for sixty days. Rats were divided into five groups; Control (K), Dimethyl sulfoxide (D), Curcumin (Cur; 300 mg/kg/day, orally), AFB1 (AF; 250 μg/kg/day, oral) and AFB1+ Curcumin (AF + Cur). Oxidative stress caused by AFB1 caused an increase in Malondialdehyde (MDA), a lipid peroxidation product, and a decrease in glutathione (GSH) and superoxide dismutase (SOD) activities. In addition, AFB1 led to increased levels of pro-inflammatory cytokines such as tumor necrosis factor-a (TNF-a), interleukin-1b (IL-1b), and interleukin-6 (IL-6). Liver function tests after chronic exposure to AFB1 showed that this toxic substance causes liver damage. Concomitant Cur administration normalized AFB1-induced oxidative damage, inflammatory response, and liver functions. This therapeutic effect of Cur on AFB1 was thought to be related to its antioxidant and anti-inflammatory activities. Our results suggest that CUR supplementation in food as it shows beneficial effects particularly on liver impairment exerted by AFB1.
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Kurumlar (1)
Selçuk Üniversitesi
Selçuklu, Turkey