387 resultados para Metabolismo Doenças
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Pós-graduação em Fisiopatologia em ClÃnica Médica - FMB
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Pós-graduação em Fisiopatologia em ClÃnica Médica - FMB
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Pós-graduação em Ginecologia, ObstetrÃcia e Mastologia - FMB
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Pós-graduação em Enfermagem (mestrado profissional) - FMB
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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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Pós-graduação em Doenças Tropicais - FMB
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The present invention relates to phthalimide derivatives of non-steroidal and/or TNF-+- modulating anti-inflammatory compounds as well as the process of obtaining the so-called derivatives, pharmaceutical compositions containing such derivatives and their uses, including use in the treatment of inflammatory diseases, especially those related to chronic inflammatory processes, such as rheumatoid arthritis and intestinal inflammatory diseases (for instance, Chron's disease) and the use of the referred to pharmaceutical compositions as antipyretic, analgesic and platelet antiaggregating medications.
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A presente invenção se refere ao processo de obtenção de compostos derivados de anti-inflamatórios esteróides (AIEs) e de talidomida com propriedades anti-inflamatórias, analgésicas e imunossupressoras úteis no tratamento de processos inflamatórios. A presente invenção se refere também as composições farmacêuticas contendo tais compostos e seus usos na fabricação de medicamentos para o tratamento de doenças inflamatórias principalmente aquelas relacionadas a processos inflamatórios crônicos.
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A presente invenção se refere ao uso de compostos derivados ftalimÃdicos e/ou sulfonamÃdicos com propriedades doadoras de óxido nÃtrico, os quais apresentam importantes atividades no aumento da expressão gênica de gama globina e atividades antiinflamatórias e analgésicas, potenciais ao tratamento de doenças hematológicas em que há a necessidade de diminuição dos nÃveis do fator TNF-<244> e a necessidade de uma fonte exógena de óxido nÃtrico. Mais particularmente, a presente invenção descreve o uso de tais derivados ftalimÃdicos e/ou sulfonamÃdicos para o tratamento de anemia falciforme. A invenção também apresenta como caracterÃstica inovadora, a descrição de novos derivados ftalimÃdicos funcionalizados, desenhados a partir dos protótipos talidomida e hidroxiuréia e planejados racionalmente através da estratégia de hibridação molecular para o tratamento das doenças citadas. A invenção apresenta ainda um novo método de obtenção de um derivado sulfonamÃdico especÃfico que pode ser utilizado na preparação de um medicamento para tratamento de doenças em que há a necessidade de diminuição dos nÃveis do fator TNF-<244> e a necessidade de uma fonte exógena de óxido nÃtrico.
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Preparation and use of phthalimide and/or sulphonamide derivatives with nitric oxide donor properties, having activities in increasing gamma-globin gene expression and anti-inflammatory and analgesic activities, effective in the treatment of hematologic diseases which require reducing the TNF-[alpha] levels and an exogenous source of nitric oxide, such as sickle-cell disease. The functionalized phthalimide derivatives are designed from the prototypes thalidomide and hydroxyurea.
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The purpose of this study was to evaluate the leukocyte count and the oxidative metabolism of neutrophil in Saanen goats during periods of pregnancy, parturition and postpartum. Were used 20 Saanen goats, clinically healthy and serologically negative for caprine arthritis encephalitis virus (CAEV). Blood samples were collected by jugular venipuncture 49 (M1), 42 (M2), 35 (M3), 28 (M4), 21 (M5), 14 (M6), seven (M7), three (M8) days before the parturition, on the day of birth (M9), three (M10) and seven (M11) days postpartum, for the leukocyte count, and serum for cortisol, estradiol and progesterone determination. From 28 days (M4) before parturition until seven days postpartum (M11) blood samples were collected for evaluation of oxidative metabolism of neutrophils by the nitroblue tetrazolium reduction test (NBT). The results showed that at parturition day there were an increase in cortisol and estradiol levels and a decrease in progesterone serum, neutrophilic leukocytosis and left shift slight, decrease of lymphocytes, increase in the neutrophil: lymphocyte, eosinopenia, monocytosis and basophilia. There was a neutrophilic leukocytosis and an increase in the neutrophil: lymphocyte on the seventh day postpartum. There were not significant alterations in oxidative metabolism of neutrophils during pregnancy, parturition and postpartum. It was concluded that parturition causes an elevation in cortisol and estradiol levels and a decrease in progesterone serum determining a neutrophilic leukocytosis and left shift slight, with a reduction of lymphocytes, increase in the neutrophil:lymphocyte, eosinopenia, monocytosis and basophilia. Neutrophilic leukocytosis, increase in the neutrophil: lymphocyte and fibrinogen are detected on the seventh day postpartum. Pregnancy, parturition and the postpartum do not change the oxidative metabolism of neutrophils evaluated by NBT reduction test.
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The Tahiti lime appears very susceptible to attack by post-harvest diseases, primarily by the fungi Penicillium and Phomopsis, and also because of its high sensitivity to storage at low temperatures. In order to reduce such damage, the present study aimed to verify the efficiency of heat treatment and disinfection of pathogens in the prevention of post-harvest chilling injury of this cultivar and to compare this treatment with other products using the conventional fungicides. The heat treatments were studied with hot-water temperatures ranging between 48 and 56° C. Water at room temperature was used as a control treatment. After treatment, the fruits were kept under cold temperature at 10° C and RH 90% for about 45 days. For comparison, three other treatments were carried out simultaneously, one using imazalil, one with baking soda, and a third with sodium carbonate, these three products being applied by baths in cold water. Two groups of fruit were evaluated, one treated by immersion considering pathogens coming from the field and another by inoculation with spores of the previously isolated pathogens. For the evaluation of physical and chemical parameters of fruits, determinations were made of the skin color, texture, weight loss, size, juice yield, soluble solids, total acidity and vitamin C content. The determination of the sensitivity of the fruit to cold was made by their exposure at temperatures inducing cold damage. The design was a randomized block design with nine treatments, analyzed by the Statgraphics statistical package. Heat treatments, especially at 52° C, were shown to be more promising in the control of pathogenic fungi and cold damage, surpassing the conventional fungicides. No changes were found in the intrinsic and extrinsic parameters in relation to the application of the different treatments.
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The present study aimed to evaluate cardiac and lipoperoxidation markers in horses subjected to low intensity and long duration (TLD) exercise test, before and after vitamin E supplementation. For this purpose, 10 horses were used, subjecting them to the first TLD with a workload based on individual maximal oxygen uptake (VO2max). Then, horses received vitamin E (dl-alpha-tocopherol) during 59 days at a daily oral dose of 1,000IU, and thereafter they performed a second TLD with the same protocol as the first. Blood samples were collected to determine plasma malondialdehyde (MDA) as an index of lipoperoxidation, serum cardiac troponin I (cTnI) and creatine kinase MB isoenzyme (CK-MB) as cardiac markers. As a result of the exercise, there was no significant increase in MDA or cTnI, but serum CK-MB increased suggesting myocardial stress. The supplementation was able to minimize reactive oxygen species production, as evidenced by lower concentrations of MDA at all times evaluated, but it didn't cause protective effect on the myocardium. It was concluded that the low intensity and long duration exercise promoted light myocardial stress in horses and vitamin E supplementation reduced lipoperoxidation.
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Pós-graduação em Fisiopatologia em ClÃnica Médica - FMB