ochratoxin a/ضمور

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Ochratoxin A exposure causes meiotic failure and oocyte deterioration in mice.

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Ochratoxin A (OTA) is a mycotoxin produced by fungi and occurs naturally in various foodstuffs and some animal-derived products. This mycotoxin can cause deleterious effects on kidney, liver, central nervous, and immune system. However, potential mechanisms regarding how OTA disrupts the mammalian

Histopathologic changes in liver and renal tissues induced by Ochratoxin A and melatonin in rats.

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Nephrotoxicity and hepatotoxicity induced by Ochratoxin A (OTA) and ameliorating effects of melatonin were investigated in rats exposed to OTA. Experimental groups were as follows: control; OTA-treated; and OTA plus melatonin (MEL)-treated (OTA+MEL). The rats in the control group were administered

Toxicopathological studies on the effects of aflatoxin B(1), ochratoxin A and their interaction in New Zealand White rabbits.

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New Zealand White rabbits, divided into 4 groups were fed with feed containing aflatoxin B(1) (AFB(1)) @ 0.5 ppm (group I), ochratoxin A (OA) @ 1 ppm (group II), AFB(1) and OA @ 0.5 ppm and 1 ppm, respectively (group III) and standard feed (group IV) for 60 days. Mortality and decrease in body

Antioxidant effects of melatonin and coenzyme Q10 on oxidative damage caused by single-dose ochratoxin A in rat kidney.

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In the study, the effects of relatively high single-dose of Ochratoxin A (OTA) and the antioxidant effects of Melatonin (Mel) and Coenzyme Q10 (CoQ10) on OTA-induced oxidative damages in rats were investigated. A total of 28 male Sprague-Dawley rats were divided into four groups of 7 rats each:

Spontaneous toxic nephropathy in poultry associated with ochratoxin A.

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At a poultry slaughterhouse 14 birds with macroscopic renal changes were collected, and the kidneys were examined histologically and the muscular tissue was analysed for ochratoxin A residues. Out of 14 birds 5 birds had ochratoxin A residues ranging from 4.3 to 29.2 mug/kg. In 4 of these birds a

Experimental combined aflatoxin B1 and ochratoxin A intoxication in pigs.

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Twenty-one pigs weighing approximately 18 kg were placed in 7 groups of 3 and given diets containing respectively aflatoxin B1 alone at 0.375 and 0.0750 mg/kg, ochratoxin A alone at 1 and 2 mg/kg, 0.375 mg/kg of aflatoxin B1 plus 1 mg/kg of ochratoxin A and 0.750 mg/kg aflatoxin B1 and 2 mg/kg of

Ochratoxin A and citrinin nephrotoxicity in New Zealand White rabbits: an ultrastructural assessment.

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In the present investigation, ochratoxin A (OTA) (0.75 mg/kg feed) and citrinin (CIT) (15 mg/kg feed) were fed alone and in combination to young growing New Zealand White rabbits for 60 days to evaluate renal ultrastructural alterations. The severity and intensity of renal ultrastructural changes

Pathological changes in broiler chickens fed ochratoxin A and inoculated with Escherichia coli.

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A study was conducted to evaluate the effects of ochratoxin A (OA) on Escherichia coli-challenged broiler chickens. One hundred and eighty-four one-day-old broiler chicks were divided into two groups of 92 chicks each, with one group fed a control mash diet and the other fed a mash diet containing 2

Experimental mycotoxicosis in chickens induced by ochratoxin A and penicillic acid and intervention with natural plant extracts.

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The combined toxic effect of ochratoxin A (OTA) and penicillic acid (PA) on the body mass, the weight and pathomorphology of some internal organs was studied in 85 broiler chickens fed a mouldy diet containing 130, 300 or 800 ppb OTA and 1000-2000 ppb PA. The main pathomorphological changes were

The mycotoxicological chain and contamination of food by ochratoxin A in the nephropathic and non-nephropathic areas in Yugoslavia.

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Research was carried out on the distribution of moulds on cereals in vegetation and in storerooms in the period from 1974 to 1981 and on ochratoxin (OA) in stored maize and wheat as well as residues of OA in the organs of swine in the nephropathic and non-nephropathic areas in the SR of Croatia,

Carcinogenicity of ochratoxin A in experimental animals.

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The carcinogenicity of ochratoxin A, a naturally occurring mycotoxin of the fungal genera Aspergillus and Penicillium, was evaluated in three strains of mice and in one strain of rats. The kidney, and in particular the tubular epithelial cells, was the major target organ for ochratoxin A-induced

Acute toxicity of ochratoxins A and B in chicks.

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Ochratoxins A and B were given to 1-day-old Babcock B-300 cockerels to evaluate acute toxic effects. Two trials with ochratoxin A gave 7-day oral median lethal dose estimates of 116 mug (3.3 mg/kg) and 135 mug (3.9 mg/kg) per chick. Chicks given daily oral doses of 100 mug of ochratoxin A died on

Ochratoxin A and citrinin induced nephrosis in Beagle dogs. II. Pathology.

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Beagle dogs were given ochratoxin A (0.1 and 0.2 mg/kg) and citrinin (5 and 10 mg/kg) alone and in two dose combinations for 14 days. The gross lesions included focal peritonitis and intestinal intussusceptions in dogs given citrinin. Changes in the kidneys of dogs given ochratoxin A were

Fate of ochratoxin A and citrinin during malting and brewing experiments.

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The fate of ochratoxin A and citrinin during malting and brewing processes was studied by the use of naturally contaminated lots of barley, as well as by the addition of crystalline toxins to the mash. Complete degradation was observed for ochratoxin A from moderately contaminated barley lots and

Porcine nephropathy induced by long-term ingestion of ochratoxin A.

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Nine pigs were fed crystalline ochratoxin A in their feed at a concentration of about 1 mg/kg. Three pigs and their controls were killed after 3 months and 6 pigs and controls were killed after 2 years. A decrease of the ratio TmPAH/CIn, increased urinary glucose excretion and decreased ability to

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