The aim of this study was to evaluate the effect of the aqueous Syzygium cumini leaf extract, given either as a single dose or by 7 days of pretreatment, on hepatotoxicity induced by carbon tetrachloride in rats. Blood samples obtained after treatments were measured for aspartate aminotransferase (AST) and alanine aminotransferase (ALT). A significant increase in the AST and ALT activities occurred after carbon tetrachloride administration alone, which was significantly lowered by preadministration with the aqueous extract of Syzygium cumini, but not by a single dose. This suggests that the extract may be useful for liver protection but needs to be given over a significant period and prior to liver injury.
RESUMOIntrodução: As enteroparasitoses são doenças que afetam pessoas em todo o mundo e estão relacionadas a fatores inerentes aos indivíduos acometidos, como consumo de água contaminada, saúde e educação em saúde precárias e baixas condições socioeconômicas. Este estudo pretende verificar a ocorrência de enteroparasitoses em coletores de lixo e estabelecer se há relações entre os parasitos e o trabalho de coleta de lixo.Métodos: As fezes de 25 coletores de resíduos foram coletadas, e questionários sobre hábitos alimentares, condições de habitação e uso de equipamentos de proteção individual foram aplicados. As amostras fecais foram analisadas por duas técnicas coproparasitológicas.Resultados: Do total de participantes (N = 30), 8% apresentaram cistos de Endolimax nana e 4% apresentaram ovos de Ascaris lumbricoides. As idades dos coletores variaram de 22 a 67 anos, e os tipos de habitação foram casa de alvenaria (10), de madeira (17), mista (2) e outros tipos (1). Mais de 80% tinham algum tipo de animal de estimação.Conclusão: Embora todas as amostras fecais tenham sido obtidas de pessoas que manipularam diretamente o lixo, o que envolve a possibilidade de infecção por agentes biológicos, a maioria estava livre de enteroparasitos. Isso sugere que os participantes com enteroparasitoses podem ter sido infectados em outros lugares, como na própria casa. Novos estudos devem ser realizados, mas de uma forma que seja estendida a outros locais de vida dos coletores, além de incluir seus parentes. Palavras-chave:Parasitoses; resíduos sólidos; educação sanitária ABSTRACT Introduction: Intestinal parasitic diseases affect people all over the world and are related to factors inherent to affected individuals, such as consumption of contaminated water, poor health and health education, and low socioeconomic conditions. This study aimed to assess the occurrence of parasitic infections in waste recyclers and establish whether there are relations between parasites and the work of waste collection.
This study aimed to determine whether patients with aseptic and bacterial meningitis presented alterations in oxidative stress parameters of cerebrospinal fluid (CSF). A total of 30 patients were used in the research. The CSF oxidative stress status has been evaluated through many parameters, such as lipid peroxidation through thiobarbituric acid reactive substances (TBARS) and antioxidant defense systems such as superoxide dismutase (SOD), glutathione S-transferase (GST), reduced glutathione (GSH) and ascorbic acid. TBARS levels, SOD and GST activity increase in aseptic meningitis and in bacterial meningitis. The ascorbic acid concentration increased significantly in patients with both meningitis types. The reduced glutathione levels were reduced in CSF of patients with aseptic and bacterial meningitis. In present study we may conclude that oxidative stress contributes at least in part to the severe neurological dysfunction found in meningitis.
Toxocariasis is a neglected disease, and its main etiological agent is the nematode Toxocara canis. Serological diagnosis is performed by an enzyme-linked immunosorbent assay using T. canis excretory and secretory (TES) antigens produced by in vitro cultivation of larvae. Identification of TES proteins can be useful for the development of new diagnostic strategies since few TES components have been described so far. Herein, we report the results obtained by proteomic analysis of TES proteins using a liquid chromatography-tandem mass spectrometry (LC-MS/MS) approach. TES fractions were separated by one-dimensional SDS-PAGE and analyzed by LC-MS/MS. The MS/MS spectra were compared with a database of protein sequences deduced from the genome sequence of T. canis, and a total of 19 proteins were identified. Classification according to the signal peptide prediction using the SignalP server showed that seven of the identified proteins were extracellular, 10 had cytoplasmic or nuclear localization, while the subcellular localization of two proteins was unknown. Analysis of molecular functions by BLAST2GO showed that the majority of the gene ontology (GO) terms associated with the proteins present in the TES sample were associated with binding functions, including but not limited to protein binding (GO:0005515), inorganic ion binding (GO:0043167), and organic cyclic compound binding (GO:0097159). This study provides additional information about the exoproteome of T. canis, which can lead to the development of new strategies for diagnostics or vaccination.
Objetivo: Esse estudo objetivou verificar a ocorrência de Problemas Relacionados aos Medicamentos (PRMs) em pacientes atendidos pelo programa Hiperdia. Métodos: Foram selecionados pacientes diabéticos e/ou hipertensos e a avaliação da farmacoterapia foi realizada através do Método Dáder, seguida da identificação e classificação dos PRMs. Resultados: Dentre os 33 pacientes, 9 pertenciam ao sexo masculino e 24 ao sexo feminino, com idade média de 65,82 ≤ 10,7 anos. 18 pacientes eram apenas hipertensos, 1 pacientes era apenas diabéticos e 14 pacientes apresentavam as duas patologias em associação. O número médio de medicamentos utilizados foi 5,52 ≤ 2,14, o número de PRMs encontrados foi 34, distribuídos entre 75,75% (n=25) dos pacientes, dentre os quais 58,82% e 32,35% foram relacionados com insegurança (PRM5) e inefetividade (PRM3), respectivamente. Conclusão: Tais dados demonstram que os pacientes cadastrados no grupo Hiperdia necessitam de uma Atenção Farmacêutica eficaz para a prevenção e resolução de PRMs e consequente uso racional de medicamentos.
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