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lasiocarpine/fibrosis
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8 resultados
Rapid development of hyperplastic nodules and cirrhosis in the liver of rats treated concurrently with thioacetamide and the pyrrolizidine alkaloid lasiocarpine.
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Pyrrolizidine alkaloids have long been considered to be hepatotoxic in man as well as in grazing animals. To investigate the effect of liver cell division induced by thioacetamide on the hepatic changes induced by these alkaloids, rats were treated concurrently with thioacetamide and the
Delayed hepatitis and cirrhosis in weanling rats following a single small dose of the senecio alkaloid, lasiocarpine.
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Transplantation of normal hepatocytes modulates the development of chronic liver lesions induced by a pyrrolizidine alkaloid, lasiocarpine.
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Lasiocarpine (LC), a pyrrolizidine alkaloid, is able to induce a series of chronic and progressive lesions in rat liver, including a long-lasting block in the cell cycle, the appearance of enlarged hepatocytes (megalocytosis), fibrosis, cirrhosis and malignant neoplasma. In this study the effect of
The efficacy and safety of comfrey.
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Herbal medication has gathered increasing recognition in recent years with regard to both treatment options and health hazards. Pyrrolizidine alkaloids have been associated with substantial toxicity after their ingestion as tea and in the setting of contaminated cereals have led to endemic outbreaks
Toxicity of dietary Heliotropium dolosum seed to mice.
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Experimental pyrrolizidine alkaloid intoxication was produced in inbred Swiss mice. Animals were fed diets containing 0, 1, 3, 5, or 10% Heliotropium dolosum seed for 24 w. The seeds contained 0.13% total alkaloid concentration composed of 4 specific components: lasiocarpine (78.79%), heliosupine
Pyrrolizidine alkaloid-induced alterations of prostanoid synthesis in human endothelial cells.
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Pyrrolizidine alkaloids (PA) are a group of secondary plant metabolites belonging to the most widely distributed natural toxins. PA intoxication of humans leads to severe liver damage, such as hepatomegaly, hepatic necrosis, fibrosis and cirrhosis. An acute consequence observed after ingestion of
Hepatotoxic Pyrrolizidine Alkaloids Induce DNA Damage Response in Rat Liver in a 28-day Feeding Study
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Pyrrolizidine alkaloids (PA) are secondary plant metabolites that occur as food and feed contaminants. Acute and subacute PA poisoning can lead to severe liver damage in humans and animals, comprising liver pain, hepatomegaly and the development of ascites due to occlusion of the hepatic sinusoids
Heliotropium europaeum poisoning in cattle and analysis of its pyrrolizidine alkaloid profile.
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Pyrrolizidine alkaloids (PAs) are carcinogenic and genotoxic phytochemicals found exclusively in angiosperms. The ingestion of PA-containing plants often results in acute and chronic toxicities in man and livestock, targeting mainly the liver. During February 2014, a herd of 15-18-month-old
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