20 resultados para Micobactérias não tuberculosas

em Repositório Institucional UNESP - Universidade Estadual Paulista "Julio de Mesquita Filho"


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Coordenação de Aperfeiçoamento de Pessoal de Nível Superior (CAPES)

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Pós-graduação em Microbiologia - IBILCE

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Introduction: Tuberculosis (TB) is a granulomatous disease caused by Mycobacterium tuberculosis. The genus Mycobacteriumhas two different complexes: M. tuberculosis Complex and M. avium Complex. This is a global health epidemic and remains a major global health problem, besides, the clinical severity of TB is significantly higher in transplanted patients. The detection of these mycobacteria complexes in transplanted patients, by molecular methods, is fundamental for quick treatment of patients and can contribute for rapid and accuracy of diagnosis. Objective: To detect mycobacteria DNA of M. tuberculosis and M. avium Complexes in formalin fixed paraffin-embedded samples (FFPE) of two patients groups: non transplanted and transplanted. Materials and Methods: The study includes 40 FFPE biopsies separated in four groups: NTP – presence of epithelioid granuloma and positive ZN, non-transplanted patients – 9 samples; NTN - presence of epithelioid granuloma and negative ZN, non-transplanted patients – 10 samples; TP – positive ZN, transplanted patients – 9 samples; TN – negative ZN, transplanted patients – 7 samples. Sections were cut for DNA extraction. Samples were submitted to PCR for amplification of: a) β-actin, b) IS6110 insertion and c) IS1245 insertion. DNA evaluation was made by spectrophotometry and efficiency and PCR analysis was made by agarose gels under UV light. Results: In all samples processed, 97.1% were positive for human β-actin gene. In22.2% of NTP group were found the IS6110 insertion sequencebut the IS1245 wasn´t. In the NTN group was not found any sequence. In theTP group, 11.1% of the samples were positive for IS6110 and also 11,1% werepositive for IS1245. In the TN group, 14.3% of the samples were positive forIS6110 and for IS1245, 14.3% was also positive. Conclusion: Although factors such as DNA degradation after formalin fixation and paraffin embedding, were possible to detect DNA from the human gene ...

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Water quality is very important for the health and the population welfare, and the public supply system must provide water quality and suffi cient quantity for the entire population. Water treatment stations, are the main way to obtain water quality. When this doesn’t occur, several problems can affect the population, in this case, using water with poor quality is a constant risk of emergence causing various diseases. The elimination of microorganisms in treated water reduces competition, encouraging the multiplication of chlorine resistant bacteria as Mycobacterium genus frequently isolated from treated and chlorinated water. Considering the lack of indication from examinations of mycobacteria routine laboratory for quality control of drinking water and other human uses, the objective was to verify the presence isolate and identify the environmental mycobacteria in the system water source surface of Araraquara - SP. We analyzed 40 water samples, distributed as follows: ten water gross collected at Station Water Treatment Plant (WTP), harvested after ten fi ltration; ten collected in the reservoir after chlorination and ten in the network distribution. Were recovered 43 isolates of mycobacteria. All isolates were subjected to PCR-PRA. The mycobacteria were identifi ed as M. lentifl avum, M. parafortuitum, M. genavense, M. gordonae, M. fortuitum, M. confl uent, M. duvalii, M. avium subspecies paratuberculosis and M. szulgai. With these results, was concluded that water is an important source of environmental mycobacteria probably related to several human diseases, suggesting the carrying out continuous monitoring of the microorganisms in the system drinking water.

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Fundação de Amparo à Pesquisa do Estado de São Paulo (FAPESP)

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Pós-graduação em Biociências e Biotecnologia Aplicadas à Farmácia - FCFAR

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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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Pós-graduação em Doenças Tropicais - FMB

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Coordenação de Aperfeiçoamento de Pessoal de Nível Superior (CAPES)

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Fundação de Amparo à Pesquisa do Estado de São Paulo (FAPESP)

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Especialmente desenvolvido contra as micobactérias. O dito composto apresentando a composição e ser preparado pela reação entre Aspartame e nitrato de prata em meio neutro, possuindo a atividade bactericida contra as micobactérias a saber: Mycobacterium tuberculosis, Mycobacterium avium, Mycobacterium intracellulare, Mycobacterium malmoense e Mycobacterium kansasii.