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Diagnostic Value of Hepatic Enzymes, Triglycerides and Serum Proteins for the Detection of Hepatic Lipidosis in Chelonoidis carbonaria in Captivity

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Journal of Life Sciences 2014年第8期8卷 633-639页

作者： gustavo henrique pereira dutra Aquario Municipal de Santos Avenida Bartolomeu de Gusmao s/n Ponta da Praia-Santos-SP 11030-500 Brazil

Hepatic lipidosis is a common lesion in chelonians and may be related with vitellogenesis, hyperparathyroidism, follicular stasis, fatty diets or lacking nutrients, sedentary life and obesity, bacterial toxins in liver and starvation. Clinical signs are unspecific. Routine biochemical tests don"t have specificity and it is better defined through biopsy. The objective was evaluated the biochemical hepatic profile of red footed tortoises (Chelonoidis carbonaria) with the histopathological findings of lipidosis by laparoscopic biopsy. Samples of blood were collected for biochemistry of thirty-six animals from two different groups, twenty animals from a zoo and sixteen from a breeder. The animals were submitted to liver biopsy by videolaparoscopy. Three fragments were collected, two of them were processed by histology and one went to electron microscopy. Nineteen tortoises from the zoo had lipidosis in laparoscopy and macrovesicular degeneration. Fifteen tortoises from the breeder had microvesicular degeneration. The diagnosis of steatosis was confirmed by electron microscopy. There was no statistical difference of aspartate aminotransferase levels between the two groups; however there was significant difference of triglycerides levels. The enzymatic activity of transaminases is not related to the histological grading of lipidosis in tortoises, however triglycerides levels are higher in animals with more severe gradation.

关键词：谷草转氨酶肝脏脂质脂肪沉积甘油三酯诊断价值象龟血清蛋白南美

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Intravascular Access in Chelonia mydas and Dermochelys coriacea Using the Seldinger Technique U Itrasou nd-Guided

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Journal of Life Sciences 2014年第5期8卷 385-393页

作者： gustavo henrique pereira dutra Fálbio Futema Flávio Augusto Marques dos Santos Cristiane Lassalvia Aquário Municipal de Santos Av. Bartolomeu de Gusmao s/n. Ponta da Praia. Santos-SP 11030-500 Brazil Universidade de Guarulhos Av. Anton Philips 01 Vila Herminia Guarulhos 07030-010 Brazil Universidade Anhembi Morumbi Rua Casa do Ator 294. Vila Olimpia 04546-000-Sao Paulo SP Brasil

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Characterization of blood flow and the effects of exogenous estradiol benzoate on residual follicles formed after ultrasound-guided transvaginal follicle aspiration in cattle

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Journal of Animal Science and Biotechnology 2017年第1期8卷 51-56页

作者： Alberto Mansur Ghetti Luiz gustavo Bruno Siqueira Eduardo Kenji Nunes Arashiro Miller pereira Palhao Felipe Zandonadi Brandao Joao henrique Moreira Viana Universidade Federal Fluminense Niteroi RJ 24230-340 Brazil Embrapa Gado de Leite Juiz de Fora MG 36038-330 Brazil Universidade Jose do Rosario Vellano Alfenas MG 37130-000 Brazil Embrapa Recursos Geneticos e Biotecnologia PqEB Av. W5 N Brasilia DF 70770-917 Brazil

Background： Removal of the follicular content by ultrasound-guided transvaginal follicle aspiration（TVFA） may fail to induce immediate atresia and loss of function, resulting in the occurrence of residual follicles（RF）. The aims of this study were to characterize the blood flow in RF and to determine the effects of the treatment with estradiol benzoate on RF fate. Lactating, cyclic Holstein-Gir crossbred cows were used. In Experiment 1, follicular wave emergence（D0） was synchronized in cows（n = 10） and follicular growth was then monitored by transrectal ultrasonography from D0 to D8, followed by TVFA of the largest follicle present on the ovaries 24 h later. Color Doppler ultrasound imaging was used to examine blood flow on the follicular wall, which was recorded immediately before and every 12 h after TVFA, up to 72 h. In experiment 2, cows（n = 22） were randomly allocated to receive either 2 mL of saline i.m.（Control group, n = 11） or 2 mL estradiol benzoate i.m.（EB group, n = 11）immediately after TVFA. Ovaries were scanned every 12 h to confirm the presence and to measure the diameter of RF. The contents of the RF, if present, were collected 72 h after the first TVFA, using the same aspiration *** fluid from original follicles and RF were stored at-20 °C until hormonal ***： In Experiment 1, there was no reduction（P 〉 0.05） of blood flow in the remaining follicle walls after TVFA and maximum blood flow values were observed at 49.5 ± 19.7 h post-TVFA. In Experiment 2, formation of RF after TVFA was proportionally similar between Controls（5/9） and EB（5/10） cows. Also, RF diameter did not differ between groups（P 〉 0.05）. Nonetheless, the content of RF from cows in the EB group had lower（P = 0.0004）estradiol（E2） concentration and lower（P = 0.0005） E2：P4 ratio compared with ***： In conclusion, 1） the persistence of vascularization in the remaining follicle wall may contribute to the formation of RF after follicle aspiration,

关键词： Doppler Ovary Ovum pick-up Steroidogenesis Vascularization

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Murine model to study brain,behavior and immunity during hepatic encephalopathy

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World Journal of Hepatology 2014年第4期6卷 243-250页

作者： Lindisley Ferreira Gomides Pedro Elias Marques Bruno Engler Faleiros Rafaela Vaz pereira Sylvia Stella Amaral Thais Reis Lage gustavo henrique Souza Resende Patricia Alves Maia Guidine Giselle Foureaux Fabíola Mara Ribeiro Fabiana Paiva Martins Marco Antonio Peliky Fontes Anderson José Ferreira Remo Castro Russo Mauro Martins Teixeira Márcio Flávio Moraes Antonio Lúcio Teixeira gustavo Batista Menezes Laboratório de Imunobiofotonica Department of MorphologyICBUFMGBelo Horizonte 31270-901Brazil School of Medicine UFMGBelo Horizonte 31270-901Brazil Department of Physiology ICBUFMGBelo Horizonte 31270-901Brazil Department of Morphology UFMGBelo Horizonte 31270-901Brazil Department of Biochemistry and Immunology UFMGBelo Horizonte 31270-901Brazil

AIM:To propose an alternative model of hepatic encephalopathy(HE) in mice,resembling the human features of the ***:Mice received two consecutive intraperitoneal injections of thioacetamide(TAA) at low dosage(300 mg/kg).Liver injury was assessed by serum transaminase levels(ALT) and liver histology(hematoxylin and eosin).Neutrophil infiltration was estimated by confocal liver intravital *** was evaluated using prolonged prothrombin and partial thromboplastin *** parameters were measured through tail *** levels were quantified in serum and brain ***(EEG) and psychomotor activity score were performed to show brain *** edema was evaluated using magnetic resonance ***:Mice submitted to the TAA regime developed massive liver injury,as shown by elevation of serum ALT levels and a high degree of liver *** intense hepatic neutrophil accumulation occurred in response to TAA-induced liver *** led to mice mortality and weight loss,which was associated with severe ***,TAA-treated mice presented with increased serum and cerebral levels of ammonia,in parallel with alterations in EEG spectrum and discrete brain edema,as shown by magnetic resonance *** agreement with this,neuropsychomotor abnormalities ensued 36 h after TAA,fulfilling several HE features observed in *** this context of liver injury and neurological dysfunction,we observed lung inflammation and alterations in blood pressure and heart rate that were indicative of multiple organ dysfunction ***:In summary,we describe a new murine model of hepatic encephalopathy comprising multiple features of the disease in humans,which may provide new insights for treatment.

关键词： Hepatic encephalopathy Liver injury Thioacetamide Neurological dysfunction Neuropsychomotor abnormalities Intracranial hypertension Cerebral herniation

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