975 resultados para Alanine.
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Fundação de Amparo à Pesquisa do Estado de São Paulo (FAPESP)
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Fundação de Amparo à Pesquisa do Estado de São Paulo (FAPESP)
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Conselho Nacional de Desenvolvimento Científico e Tecnológico (CNPq)
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This study examined the effect of glyphosate-based herbicide (Roundup Original), the major herbicide used in soybean crops in Mato Grosso state, at concentrations of 0, 2.25, 4.5, 7.5, and 15 mg L-1 on metabolic and behavior parameters of the hybrid fish surubim in an acute exposure lasting 96 h. Glycogen content, glucose, lactate, and protein levels were measured in different tissues. Plasma levels of cholesterol, alanine aminotransferase (ALT), and aspartate aminotransferase (AST) were also determined. Ventilatory frequency (VF) and swimming activity (SA) were considered behavior parameters. Results showed that herbicide exposure decreased plasma glucose levels and increased it in surubim liver. Lactate increased in both plasma and liver but decreased in muscle. Protein levels decreased in plasma and muscle but increased in liver. After herbicide exposure, liver and muscle glycogen was decreased. Cholesterol levels decreased in plasma at all concentrations tested. Plasma ALT increased, and no alterations were recorded for AST levels. VF increased after glyphosate exposure (5 min) and decreased after 96 h. SA showed differences among all groups (5 min). At the end of 96 h, SA was altered by the 7.5 mg L-1 concentration. Fish used anaerobic glycolysis as indicated by generally decreased glycogen levels and decreased lactate levels in muscle but increased ones in plasma and liver. We suggest that the studied parameters could be used as indicators of herbicide toxicity in surubim and may provide extremely important information for understanding the biology of the animal and its responsiveness to external stimuli (stressors).
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Conselho Nacional de Desenvolvimento Científico e Tecnológico (CNPq)
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Fundação de Amparo à Pesquisa do Estado de São Paulo (FAPESP)
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Conselho Nacional de Desenvolvimento Científico e Tecnológico (CNPq)
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Feline hepatic lipidosis or fatty liver disease is a cholestatic syndrome that affects domestic cats and is characterized by excess fat accumulation in the liver of cats. Symptoms commonly seen with this syndrome are anorexia, weight loss, lethargy, vomiting, jaundice, and occasionally behavioral or neurologic signs such as excessive drooling, blindness, coma, and seizures. The diagnosis is based on the patient history, clinical examination, complementary examination, and the definitive diagnosis is obtained by cytology and/or histopathology of hepatic tissue. In serum biochemistry, the main findings include increased serum alkaline phosphatase (ALP), alanine aminotransferase (ALT), aspartate amino transferase (AST) and bilirubin. The gamma glutamyl transferase (GGT) is normal or slightly increased. The cornerstone of therapy is aggressive feeding to supply the cat full caloric requirements. Without aggressive nutritional support and intensive monitoring the fatty liver disease can be fatal
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Pós-graduação em Ciência Animal - FMVA
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Conselho Nacional de Desenvolvimento Científico e Tecnológico (CNPq)
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Pós-graduação em Biotecnologia - IQ
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Pós-graduação em Ciência e Tecnologia Animal - FEIS
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Pós-graduação em Biotecnologia - IQ
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Pós-graduação em Medicina Veterinária - FCAV
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Fundação de Amparo à Pesquisa do Estado de São Paulo (FAPESP)