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Meningococcal disease, a clinical and epidemiological review

Asian Pacific Journal of Tropical Medicine 2017年第11期10卷 1019-1029页

作者： Rodrigo Siqueira Batista andreia Patricia gomes Jorge Luiz Dutra Gazineo Paulo Sergio Balbino Miguel Luiz Alberto Santana Lisa Oliveira Mauro Geller Laboratorio de Agentes Patogenicos Departamento de Medicina e Enfermagem Universidade Federal de VicosaVicosaMGBrazil Curso de Medicina Faculdade Dinamica do Vale do PirangaPonte NovaMGBrazil Hospital Universitario Clementino Fraga Filho Universidade Federal do Rio de JaneiroRio de JaneiroBrazil Curso de Medicina Centro Universitario Serra dos Orgaos (UNIFESO)TeresopolisRJBrazil School of Medicine New York University–NYUNew YorkUSA Departamento de Genetica Medica Universidade Federal do Rio de Janeiro (UFRJ)Rio de JaneiroRJBrazil

Meningococcal disease is the acute infection caused by Neisseria meningitidis, which has humans as the only natural host. The disease is widespread around the globe and is known for its epidemical potential and high rates of lethality and morbidity. The highest number of cases of the disease is registered in the semi-arid regions of sub-Saharan Africa. In Brazil, it is endemic with occasional outbreaks, epidemics and sporadic cases occurring throughout the year, especially in the winter. The major epidemics of the disease occurred in Brazil in the 70's caused by serogroups A and C. Serogroups B, C and Y represent the majority of cases in Europe, the Americas and Australia. However, there has been a growing increase in serogroup W in some areas. The pathogen transmission happens for respiratory route(droplets) and clinically can lead to meningitis and sepsis(meningococcemia). The treatment is made with antimicrobial and supportive care. For successful prevention, we have some measures like vaccination, chemoprophylaxis and droplets' precautions. In this review, we have described and clarify clinical features of the disease caused by N. meningitidis regarding its relevance for healthcare professionals.

关键词： Neisseria meningitidis Bacterial infection Meningococcal disease

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A different vision of translational research in biomarker discovery: a pilot study on circulatory mitochondrial proteins as Parkinson’s disease potential biomarkers

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Translational Neurodegeneration 2020年第2期9卷 118-131页

作者： Sandra I.Anjo Patrícia Valério dos Santos Luiza Rosado Graça Baltazar Inês Baldeiras Diana Pires andreia gomes Cristina Januário Miguel Castelo-Branco Mário Grãos Bruno Manadas CNC-Center for Neuroscience and Cell Biology University of CoimbraCoimbraPortugal Faculty of Medicine University of CoimbraCoimbraPortugal Centro de Investigação em Ciências da Saúde(CICS-UBI) Universidade da Beira InteriorCovilhãPortugal Centro Hospitalar Cova da Beira E.P.ECovilhãPortugal Neurology Department Centro Hospitalar e Universitário de CoimbraCoimbraPortugal Coimbra Institute for Biomedical Imaging and Translational Research(CIBIT) CoimbraPortugal Biocant Biotechnology Transfer AssociationCantanhedePortugal Institute for Interdisciplinary Research University of Coimbra(IIIUC)CoimbraPortugal

Background The identification of circulating biomarkers that closely correlate with Parkinson’s Disease(PD)has failed several times in the ***,in this pilot study,a translational approach was conducted,allowing the evaluation of the plasma levels of two mitochondrial-related proteins,whose combination leads to a robust model with potential diagnostic value to discriminate the PD patients from matched *** The proposed translational approach was initiated by the analysis of secretomes from cells cultured under control or well-defined oxidative stress conditions,followed by the identification of proteins related to PD pathologic mechanisms that were altered between the two *** pipeline was further translated into the analysis of undepleted plasma samples from 28 control and 31 PD *** From the secretome analysis,several mitochondria-related proteins were found to be differentially released between control and stress conditions and to be able to distinguish the two ***,two mitochondrial-related proteins were found to be significantly changed in a PD cohort compared to matched ***,a linear discriminant model with potential diagnostic value to discriminate PD patients was obtained using the combination of these two *** proteins are associated with apoptotic mitochondrial changes,which may correspond to potential indicators of cell ***,one of these proteins,the VPS35 protein,was reported in plasma for the first time,and its quantification was only possible due to its previous identification in the secretome *** In this work,an adaptation of a translational pipeline for biomarker selection was presented and transposed to neurological diseases,in the present case Parkinson’s *** novelty and success of this pilot study may arise from the combination of:i)a translational research pipeline,where plasma samples are interrogated using knowledge previously ob

关键词： Mitochondrial-related proteins SWATH-MS Parkinson's disease Biomarker discovery Blood-biomarker Secretomes Oxidative stress

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Long noncoding RNAs:a missing link in osteoporosis

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Bone Research 2019年第1期7卷 25-40页

作者： andreia Machado Silva Sara Reis Moura JoseHenrique Teixeira Mario Adolfo Barbosa Susana gomes Santos Maria Ines Almeida i3S-Instituto de Investigacao e Inovacao em Sau.de University of PortoPortoPortugal INEB-Instituto de Engenharia Biomedica University of PortoPortoPortugal ICBAS-Instituto de Ciências Biomedicas Abel Salazar University of PortoPortoPortugal

Osteoporosis is a systemic disease that results in loss of bone density and increased fracture risk,particularly in the vertebrae and the *** condition and associated morbidity and mortality increase with population *** noncoding(lnc)RNAs are transcripts longer than 200 nucleotides that are not translated into proteins,but play important regulatory roles in transcriptional and post-transcriptional *** contribution to disease onset and development is increasingly ***,we present an integrative revision on the studies that implicate lncRNAs in osteoporosis and that support their potential use as therapeutic ***,current evidence on lncRNAs involvement in cellular and molecular mechanisms linked to osteoporosis and its major complication,fragility fractures,is *** analyze evidence of their roles in osteogenesis,osteoclastogenesis,and bone fracture healing events from human and animal model ***,the potential of lncRNAs alterations at genetic and transcriptomic level are discussed as osteoporosis risk factors and as new circulating biomarkers for ***,we conclude debating the possibilities,persisting difficulties,and future prospects of using lncRNAs in the treatment of osteoporosis.

关键词： Osteoporosis density lncRNAs

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Performance and Ruminal Characteristics of Beef Cattle Fed Four Different Hybrids Sorghum Silages

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Journal of Agricultural Science and Technology(A) 2013年第4期3卷 312-320页

作者： andreia Santos Cezario Odilon gomes Pereira Sebastiao de Campos Valadares Filho Karina Guimarfies Ribeiro Stefanie Alvarenga Santos Wender Ferreira de Souza Department of Animal Science Federal University of Vigosa Vigosa MG 36571-000 Brazil

This study was conducted to evaluate the intake, total and partial digestibility of nutrient, ruminal pH and ammonia concentration, microbial protein synthesis and performance in crossbred Holstein ? Zebu cattle fed four different hybrids sorghum silages (1F305, XBF60329, BRS610, Volumax). In Experiment 1, four rumen and abomasum fistulated steers, 400 ± 80 kg, distributed in a 4 ? 4 Latin Square, were used. In Experiment 2, 28 crossbred Holstein ? Zebu steers, 350 ± 50 kg, distributed in a randomized block design with four treatments and seven replicates, were used. In Experiment 1, it was observed that nutrient intake, as well as total, ruminal and intestinal digestibility of nutrient, were not affected (P > 0.05) by diets, except for total apparent digestibility of neutral detergent fiber (NDFap), which was lower for the BRS610 hybrid. There was lower NDFap ingestion in animals that received a diet containing silage from the BRS610 hybrid, however, the lowest intake non-fibrous carbohydrates (NFC) was observed for the diet containing silage from the Volumax hybrid. In Experiment 2, nutrient intake were not affected by the diets (P > 0.05), whereas, NDFap intake was lesser for hybrid BRS610. It was found that daily weight gain and feed conversion were not affected by different silages diets. Therefore, it may be concluded that the diets used were nutritionally equivalent, as they promoted similar animal performance without affecting ruminal parameters.

关键词：瘤胃pH值青贮饲料杂交高粱肉牛性能表观消化率营养物质混合动力

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