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Association of TNFA(-308G/A),IFNG(+874 A/T)and IL-10(-819 C/T)polymorphisms with protection and susceptibility to dengue in Brazilian population

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Asian Pacific Journal of Tropical Medicine 2017年第11期10卷 1065-1071页

作者： Ana Caroline Melo dos Santos Edilson Leite de Moura Jean Moises ferreira Alexandre Wendell Araujo de Moura ailson darlan sales ferreira Rubens Pereira Bezerra Diego de Siqueira Figueiredo Karol Fireman de Farias Tiago Gomes de Andrade Elaine Virginia Martins de Souza Figueiredo Molecular Biology and Gene Expression Laboratory Federal University of AlagoasCampus ArapiracaAv Manoel Severino BarbosaBom SucessoArapiracaAL57309-005Brazil Faculty of Medicine Federal University of AlagoasCampus AC SimoesTabuleiro dos MartinsMaceioAlagoasBrazil

Objective: To evaluate gene polymorphisms and their association with susceptibility to ***: A retrospective case-control study was performed with 262 subjects,comprising 78 dengue fever(DF) patients, 49 dengue hemorrhagic fever(DHF) patients and 135 healthy controls. Genotypic and allelic profiles were identified using polymerase chain reaction based in real time and amplification-refractory mutation ***: We observed a protective association of IL-10(-819 C/T) C allele(P = 0.028,OR = 0.56, CI = 0.34–0.91) against DHF, while the C/T(P = 0.047, OR = 2.10,CI = 1.01–4.38) and T/T(P = 0.008, OR = 3.82, CI = 1.38–10.59) genotypes were associated with DHF and DF, respectively. The dominant model TNFA-308 GA + AA(P = 0.043, OR = 0.45, CI = 0.20–1.00) genotypes were found to have protective effect against dengue infection. A protective association among the IFNG(+874 A/T) A/T genotype against DF(P = 0.02, OR = 0.46, CI = 0.24–0.89) and DHF(P = 0.034,OR = 0.43, CI = 0.19–0.95) was observed. When the studied single-nucleotide polymorphism was analyzed in combination, the combination GTA(P = 0.022, OR = 2.95,CI = 1.18–7.41) was statistically significantly associated with susceptibility to DF and the combination GCT(P = 0.035, OR = 0.28, CI = 0.08–0.90) with protection against the development of ***: This research identifies the association of the IFNG(+874 A/T), TNFA(-308 G/A), IL-10(-819 C/T) genotypes as a factor for protection, susceptibility and severity to dengue.

关键词： Immune system IFNG TNFA IL-10 Dengue Polymorphism

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Assessment of Triazine Herbicides in Soil by Microwave-assisted Extraction Followed by Gas Chromatography Coupled to Mass Spectrometry Detection

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Journal of Chemistry and Chemical Engineering 2017年第1期11卷 1-8页

作者： darlan ferreira Silva Maria Diva Landgraf Maria Olimpia Oliveira Rezende Chemistry Institute of Sao Carlos University of S6o Paulo Avenida Trabalhador S6o Carlense S~o Carlos-SP 13566 590 Brasil

An alternative and fast method for the analysis of a mixture of nine triazines herbicides in soil is presented. The method is based on MAE （microwave-assisted extraction） of herbicides using ethyl acetate as extractant. The economy in the use of solvents coupled with the decrease in extraction time and lower power consumption make MAE a technique that meets the principles of green chemistry. MAE operational parameters, extraction time, mass of the sample and extraction temperature, were optimized by RSM （response surface methodology）. Determination of analytes was completed using gas chromatograph coupled to mass spectrometry detection. The selected triazines could be efficiently extracted by the solvent at 80 ℃ for 10 min, with 80% output of maximum power. When the optimized method was applied to analysis samples, the recoveries of analytes ranged from 81.8 to 106.0% and relative standard deviations were lower than 8.41%. The method is stable and reasonable, which can be used for the determination of ninetriazine herbicides residues in soil.

关键词： Factorial design response surface methodology microwave-assisted extraction herbicides triazines.

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Potential therapeutic targets identified by integrated miRNA and mRNA expression profiling in Chagas disease:miRNA-associated pathology Development and Immune Response pathways

Potential therapeutic targets identified by integrated miRNA...

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第十届全国免疫学学术大会

作者： Ludmila Rodrigues Pinto ferreira Frederico Moraes ferreira Monique Andrade Baron darlan da Silva Candido Laurie Laugier Sandrine Cabantous Amanda Farage Frade Ronaldo Honorato Barros Santos Christophe Chevillard Jorge Kalil Edecio Cunha-Neto Laboratory of Immunology Heart Institute (InCor) University of Sao PauloSchool of Medicine Division of Clinical Immunology and Allergy University of Sao Paulo School of Medicine Universidade Santo Amaro (UNISA) INSERM U906 Aix-Marseille University AMU Faculte de Medecine Division of Transplantation Heart Institute (InCor) University of Sao PauloSchool of Medicine

Chronic Chagas Cardiomyopathy (CCC) is the severe manifestation of Chagasdisease, caused by infection with the protozoan parasite Trypanosoma *** is characterized by myocardial inflammation, arrhythmias, heart

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Detection of Gram-Negative Bacteria Carrying the blaKPC-2 Gene from Mangrove Sediments

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Journal of Pharmacy and Pharmacology 2019年第8期7卷 485-492页

作者： Wallace Ribeiro Nunes Neto Jessica Mayara Mendes Araujo darlan ferreira da Silva Joveliane de Melo Monteiro Wallace Borges Pachêco Jessflan Rafael Nascimento Santos Maria Raimunda Chagas Silva Maria Rosa Quaresma Bomfim Andrea de Souza Monteiro Laboratory of Applied Microbiology CEUMA UniversitySao Luis Maranhao 65000-000Brazil Laboratory of Environmental Sciences CEUMA UniversitySao Luis Maranhao 65000-000Brazil Laboratory of Molecular Biology Sciences CEUMA UniversitySao Luis Maranhao 65000-000Brazil

Mangroves are environments that have fast cycles associated with high concentration of bacterial *** are impacted by anthropogenic pollution due to contamination of bacterial species carrying resistance *** study aims to evaluate the metabolic profile of the microbiota in mangrove sediments,and verify the presence of Gram-negative bacteria resistant to *** samples were obtained from location along the Anil river and were seeded in medium supplemented with the antibiotic meropenem in increasing *** DNA was analyzed by multiplex PCR for detecting resistance genes forβ-lactam *** bacteria were identified by Matrix-assisted laser desorption ionization–time of flight mass spectrometry(MALDI-TOF MS).The genes were sequenced by ABI PRISM 3100,analyzed by MEGA 6.0 program,and the sequence identified was assessed by GenBank using the BLAST ***■the kit was used to determine the metabolic profile of the *** results of the six bacterial isolates showed the blaKPC-2 gene and were identified as Stenotrophomonas maltophilia and Pseudomonas *** samples showed a greater diversity Shannon index,a rich substrate consumption and high *** was a metabolic richness such as carbon consumption profiles,being a factor of adaptation of pathogenic bacteria carrying resistance genes toβ-lactamics antibiotics.

关键词： Antibiotic resistant meropenem bacterial isolates

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