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Biofilm Formation and Virulence Genes in Clinical Isolates of Enterococcus faecalis

Journal of Biosciences and Medicines 2023年第7期11卷 29-36页

作者： marilia martins manta Bárbara de Azevedo Ramos Túlio Diego da Silva Maria Tereza dos Santos Correia Department of Biochemistry Biosciences Center Federal University of Pernambuco Recife Brazil Department of Antibiotics Federal University of Pernambuco Recife Brazil Northeast Center of Technology and Strategies (CETENE) Recife Brazil

Enterococcus faecalis is a Gram-positive bacterium commonly found in the gastrointestinal tract that can cause serious infections. Many enterococci have broad resistance to antibiotics including penicillin, cephalosporins, aminoglycosides and glycopeptides. There are several adaptation mechanisms that bacteria can undergo to become more resistant, among them is the formation of biofilm. Several genes have been linked to the increase in the capacity of biofilm formation by bacteria such as gelE, esp and asa1. The aim of this research was to evaluate the biofilm formation of 12 E. faecalis isolates collected in hospitals and a standard strain, as well as to evaluate the hydrophobicity of its membrane and the presence of virulence genes. All the isolates formed biofilm and the characteristics of their membrane were variable. In addition, the presence of at least one virulence gene was found in all the 12 isolates, and none of the genes in the standard strain, indicating the acquisition of these genes in the hospital environment. With this, we can conclude that there is a close relationship between biofilm formation, acquisition of antibiotic resistance and the presence of virulence genes.

关键词： Enterococci Gelatinase Esp Aggregating Substance Resistance

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巴西肉鸡产业发展历程及未来发展方向

巴西肉鸡产业发展历程及未来发展方向

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全球肉鸡产业论坛暨第二届中国白羽肉鸡产业发展大会

作者： marilia R.martins Adriano Zerbini 巴西肉鸡生产及出口商协会

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Intestinal complications in patients with Crohn's disease in the Brazilian public healthcare system between 2011 and 2020

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World Journal of Clinical Cases 2023年第14期11卷 3224-3237页

作者： Ligia Yukie Sassaki Adalberta Lima martins Rodrigo Galhardi-Gasparini Rogerio Saad-Hossne Alessandra Mileni Versut Ritter Tania Biatti Barreto Taciana Marcolino Bruno Balula Claudia Yang-Santos Department of Internal Medicine São Paulo State University-UNESPMedical School18618687BotucatuBrazil Department of Gastroenterology State Office for Pharmaceutical Assistance at Espírito Santo Health OfficeVitoria 29017-010Espirito SantoBrazil Department of Gastroenterology SETE–Specialized Medical CenterMarilia 17502-020Sao PauloBrazil Department of Surgery São Paulo State University-UNESPMedical School18618687BotucatuBrazil Real World Evidence IQVIA Brazil04719-002Sao PauloBrazil Medical Affairs Takeda Pharmaceuticals Brazil04794-000Sao PauloBrazil Clinical Research Takeda Pharmaceuticals Brazil04794-000Sao PauloBrazil

BACKGROUND This is a secondary database study using the Brazilian public healthcare system *** To describe intestinal complications(ICs)of patients in the Brazilian public healthcare system with Crohn’s disease(CD)who initiated and either only received conventional therapy(CVT)or also initiated anti-tumor necrosis factor(anti-TNF)therapy between 2011 and *** This study included patients with CD[international classification of diseases–10th revision(ICD-10):K50.0,K50.1,or K50.8](age:≥18 years)with at least one claim of CVT(sulfasalazine,azathioprine,mesalazine,or methotrexate).IC was defined as a CD-related hospitalization,pre-defined procedure codes(from rectum or intestinal surgery groups),and/or associated disease(pre-defined ICD-10 codes),and overall(one or more type of ICs).RESULTS In the 16809 patients with CD that met the inclusion criteria,the mean follow-up duration was 4.44(2.37)*** total,14697 claims of ICs were found from 4633 *** the 1-and 5-year of follow-up,8.3%and 8.2%of the patients with CD,respectively,presented at least one IC,of which fistula(31%)and fistulotomy(48%)were the most commonly *** overall incidence rate(95%CI)of ICs was 6.8(6.5–7.04)per 100 patient years for patients using only-CVT,and 9.2(8.8–9.6)for patients with evidence of anti-TNF *** The outcomes highlighted an important and constant rate of ICs over time in all the CD populations assessed,especially in patients exposed to anti-TNF *** outcome revealed insights into the real-world treatment and complications relevant to patients with CD and highlights that this disease remains a concern that may require additional treatment strategies in the Brazilian public healthcare system.

关键词： Crohn’s disease Intestinal complications Anti-tumor necrosis factor Conventional therapy Public healthcare system

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Risk stratification and geographical mapping of Brazilian inflammatory bowel disease patients during the COVID-19 outbreak:Results from a nationwide survey

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World Journal of Gastroenterology 2021年第12期27卷 1226-1239页

作者： Natália Sousa Freitas Queiroz Fábio Vieira Teixeira Marina Pamponet Motta Liliana Andrade Chebli Adriano Akira Ferreira Hino Camilla de Almeida martins Abel Botelho Quaresma Alexandre Augusto de Paula da Silva Adérson Omar Mourão Cintra Damião Rogerio Saad-Hossne Paulo Gustavo Kotze Department of Gastroenterology University of São Paulo School of MedicineSão Paulo 05403-000SPBrazil IBD Unit Gastroenterology DepartmentGastrosaúde ClinicMarilia 17509190SPBrazil School of Medicine Federal University of BahiaSalvador 40020-025BHBrazil IBD Outpatient Clinics Universidade Federal de Juiz de ForaJuiz de Fora 36010-010MGBrazil Health Sciences Postgraduate Program Pontifícia Universidade Católica do Paraná(PUCPR)Curitiba 80440-220PRBrazil Departamento de Ciências da Saúde Universidade do Oeste de Santa Catarina(UNOESC)Joaçaba 89600-000SCBrazil Botucatu Medical School Paulista State University(UNESP)Botucatu 18600-050SPBrazil IBD Outpatient Clinics Pontificia Universidade Católica do Paraná(PUCPR)Curitiba 80440-220PRBrazil

BACKGROUND Coronavirus disease 2019(COVID-19)pandemic is still evolving globally,and Brazil is currently one of the most affected *** is still debated whether patients with inflammatory bowel disease(IBD)are at a higher risk for developing COVID-19 or its *** To assess geographical distribution of IBD patients at the highest risk and correlate these data with COVID-19 mortality rates in *** The Brazilian IBD Study Group(Grupo de Estudos da Doença Inflamatória Intestinal do Brasil)developed a web-based survey adapted from the British Society of Gastroenterology *** included categories were demographic data and inquiries related to risk factors for complications from *** were categorized as highest,moderate or lowest individual *** Spearman correlation test was used to identify any association between highest risk and mortality rates for each state of the *** A total of 3568 patients(65.3%females)were *** participants were from the southeastern and southern regions of Brazil,and 84.1%were using immunomodulators and/or *** patients(55.1%)were at moderate risk,23.4%were at highest risk and 21.5%were at lowest risk of COVID-19 *** association between the proportion of IBD patients at highest risk for COVID-19 complications and higher mortality rates was identified in different Brazilian states(r=0.146,P=0.467).CONCLUSION This study indicates a distinct geographical distribution of IBD patients at highest risk for COVID-19 complications in different states of the country,which may reflect contrasting socioeconomic,educational and healthcare *** association between high risk of IBD and COVID-related mortality rates was identified.

关键词： Crohn’s disease Colitis,Ulcerative COVID-19 Inflammatory bowel disease Brazil

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