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1Double-stranded DNA in exosomes: a novel biomarker in cancer detection显示文摘Basant Kumar Thakur Haiying Zhang Annette Becker Irina Matei Yujie Huang Bruno Costa-Silva Yan Zheng Ayuko Hoshino Helene Brazier Jenny Xiang Caitlin Williams Ruth Rodriguez-Barrueco Jose M Silva Weijia Zhang Stephen Hearn Olivier Elemento Navid Paknejad Katia Manova-Todorova Karl Welte Jacqueline Bromberg Hector Peinado David Lyden 2014Cell Research2014,24,6:98
2Pathogenesis and clinical management of Helicobacter pylori gastric infection显示文摘Helicobacter pylori(H.pylori)is a gram-negative bacterium that infects approximately 4.4 billion individuals worldwide.However,its prevalence varies among different geographic areas,and is influenced by several factors.The infection can be acquired by means of oral-oral or fecal-oral transmission,and the pathogen possesses various mechanisms that improve its capacity of mobility,adherence and manipulation of the gastric microenvironment,making possible the colonization of an organ with a highly acidic lumen.In addition,H.pylori presents a large variety of virulence factors that improve its pathogenicity,of which we highlight cytotoxin associated antigen A,vacuolating cytotoxin,duodenal ulcer promoting gene A protein,outer inflammatory protein and gamma-glutamyl transpeptidase.The host immune system,mainly by means of a Th1-polarized response,also plays a crucial role in the infection course.Although most H.pylori-positive individuals remain asymptomatic,the infection predisposes the development of various clinical conditions as peptic ulcers,gastric adenocarcinomas and mucosa-associated lymphoid tissue lymphomas.Invasive and non-invasive diagnostic methods,each of them with their related advantages and limitations,have been applied in H.pylori detection.Moreover,bacterial resistance to antimicrobial therapy is a major challenge in the treatment of this infection,and new therapy alternatives are being tested to improve H.pylori eradication.Last but not least,the development of effective vaccines against H.pylori infection have been the aim of several research studies.Breno Bittencourt de Brito Filipe Ant?nio Fran?a da Silva Aline Silva Soares Vinícius Afonso Pereira Maria Luísa Cordeiro Santos Mariana Miranda Sampaio Pedro Henrique Moreira Neves Fabrício Freire de Melo 2019World Journal of Gastroenterology2019,25,37:84
3Abiotic and Biotic Stresses and Changes in the Lignin Content and Composition in Plants显示文摘Lignin is a polymer of phenylpropanoid compounds formed through a complex biosynthesis route,represented by a metabolic grid for which most of the genes involved have been sequenced in several plants,mainly in the model-plants Arabidopsis thaliana and Populus.Plants are exposed to different stresses,which may change lignin content and composition.In many cases,particularly for plant-microbe interactions,this has been suggested as defence responses of plants to the stress.Thus,understanding how a stressor modulates expression of the genes related with lignin biosynthesis may allow us to develop study-models to increase our knowledge on the metabolic control of lignin deposition in the cell wall.This review focuses on recent literature reporting on the main types of abiotic and biotic stresses that alter the biosynthesis of lignin in plants.Jullyana Cristina Magalhaes Silva Moura Cesar Augusto Valencise Bonine Juliana de Oliveira Fernandes Viana Marcelo Carnier Dornelas Paulo Mazzafera 2010Journal of Integrative Plant Biology2010,52,4:45
4A community-derived classification for extant lycophytes and ferns显示文摘发展史长通知了蕨类植物分类。当我们推断进化的树的能力改善了,针对认出生来的组的分类变得逐渐地预兆、稳定。这里,我们为 lycophytes 和蕨纲植物提供一个现代、全面分类,在下面,利用一条基于社区的途径类水平。我们 monophyly 用作主要标准让 taxa,而且目的识别保存两个广泛地被接受的存在 taxa 和界限并且与我们蕨类植物发展史的理解一致。总共,这个分类对待一在 337 个类, 51 个家庭, 14 目,和二个班估计了 11  916 种类。这个分类没在 lycophyte 和蕨纲植物上作为最后的词被打算分类,而是当前的假设的概括陈述,源于最好的可得到的数据并且在问题由熟悉植物的那些大多数塑造了。我们希望它将在蕨类植物上为最近的文学的那些想要的参考用作一个资源发展史和分类,为指导未来调查的一个框架,和推进讲话的刺激。Eric Schuettpelz Harald Schneider Alan R. Smith Peter Hovenkamp Jefferson Prado Germinal Rouhan Alexandre Salino Michael Sundue Thafs Elias Almeida Barbara Parris Emily B. Sessa Ashley R. Field Andre Luis de Gasper Carl J. Rothfels Michael D. Windham Marcus Lehnert Benjamin Dauphin Atsushi Ebihara Samuli Lehtonen Pedro Bond Schwartsburd Jordan Metzgar Li-Bing Zhang Li-Yaung Kuo Patrick J. Brownsey Masahiro Kato Marcelo Daniel Arana Francine C. Assis Michael S. Barker David S. Barrington Ho-Ming Chang Yi-Han Chang Yi-Shan Chao Cheng-Wei Chen De-Kui Chen Wen-Liang Chiou Vinicius Antonio de Oliveira Dittrich Yi-Fan Duan Jean-Yves Dubuisson Donald R. Farrar Susan Fawcett Jose Maria Gabriel y Galan Luiz Armando de Araujo Goes-Neto Jason R. Grant Amanda L. Grusz Christopher Haufler Warren Hauk Hai He Sabine Hennequin Regina Yoshie Hirai Layne Huiet Michael Kessler Petra Korall Paulo H. Labiak Anders Larsson Blanca Leen Chun-Xiang Li Fay-Wei Li Melanie Link-Perez Hong-Mei Liu Ngan Thi Lu Esteban I. Meza-Torres Xin-Yuan Miao Robbin Moran Claudine Massi Mynssens Nathalie Nagalingum Benjamin Ollgaard Alison M. Paul Jovani B. de S. Pereira Leon R. Perrie Monica Ponce Tom A. Ranker Christian Schulz Wataru Shinohara Alexander Shmakov Erin M. Sigel Filipe Soares de Souza Lana da Silva Sylvestre Weston Testo Luz Amparo Triana-Moreno Chie Tsutsumi Hanna Tuomisto IvAn A. Valdespino Alejandra Vasco Raquel Stauffer Viveros Alan Weakley Ran Wei Stina Weststrand Paul G. Wolf George Yatskievych Xiao-Gang Xu Yue-Hong Yan Liang Zhang Xian-Chun Zhang Xin-Mao Zhou 2016Journal of Systematics and Evolution2016,54,6:44
5Epidemiology, demographic characteristics and prognostic predictors of ulcerative colitis显示文摘Ulcerative colitis(UC)is a chronic disease characterized by diffuse inflammation of the mucosa of the colon and rectum.The hallmark clinical symptom of UC is bloody diarrhea.The clinical course is marked by exacerbations and remissions,which may occur spontaneously or in response to treatment changes or intercurrent illnesses.UC is most commonly diagnosed in late adolescence or early adulthood,but it can occur at any age.The incidence of UC has increased worldwide over recent decades,especially in developing nations.In contrast,during this period,therapeutic advances have improved the life expectancy of patients,and there has been a decrease in the mortality rate over time.It is important to emphasize that there is considerable variability in the phenotypic presentation of UC.Within this context,certain clinical and demographic characteristics are useful in identifying patients who tend to have more severe evolution of the disease and a poor prognosis.In this group of patients,better clinical surveillance and more intensive therapy may change the natural course of the disease.The aim of this article was to review the epidemiology and demographic characteristics of UC and the factors that may be associated with its clinical prognosis.Bruno César da Silva Andre Castro Lyra Raquel Rocha Genoile Oliveira Santana 2014World Journal of Gastroenterology2014,20,28:48
6Global epidemiology of sexually transmitted diseases显示文摘性传播疾病(性传播疾病) 在在在在年轻成年女人开发国家和讨厌的疾病的第二个主要原因的年轻成年男性的讨厌的疾病的开始的十个原因之中。青少年和年轻成年人(15-24 岁) 仅仅完成 25% 性活跃的人口,但是代表几乎 50% 所有新获得的性传播疾病。一般来说,性传播疾病是流行病并且介绍庞大的健康和经济后果。为性传播疾病的足够的屏蔽应该在世界的每部分在一个平淡的基础上被做。许多性传播疾病是无征状的因此装对控制困难。性传播疾病报导的目的是保证被感染的人将快速被诊断并且适当地对待控制感染并且也的传播以便搭挡们被通知,测试并且适当地对待。报导性传播疾病的案例在美国代表仅仅可报告的性传播疾病感染的 50%-80% ,这被估计,反映有限屏蔽并且低疾病报导。当它经常导致少年怀孕和 HIV/AIDS,高风险的性行为是这个过程的一个高度贡献的因素。对这行为的一可能的解释是人们没关于性传播疾病的传播有足够的信息或忽略为安全的性要求的措施。世界范围的约 60% 新 HIV 感染发生在年轻人。在少年之中的高风险的行为的频率可以被机会也影响从事他们,特别地他们由成年人是无指导的时间的数量。在诊断并且对待这些病人,然而,我们能有效地阻止 HIV/AIDS 的传播。感染性传播疾病的个人比 uninfected 个人更多半是 5-10 时间通过性接触获得或播送 HIV。碎生殖道衬里或皮为 HIV 创造侵入门户,,因此有另外的性传播疾病的感染 HIV 的个人是更可能的在他们的生殖器的分泌物流 HIV。迄今为止,避孕套是为为对性传播疾病的保护的男性可得到的最有效的方法。性传播疾病,和预防能是这个过程的钥匙,对控制重要。预防能通过这些病人和他们的搭挡的人口,征兆、无征状的人的鉴定,和有效诊断和治疗的教育被完成。Carlos T. Da Ros Caio da Silva Schmitt 2008Asian Journal of Andrology2008,10,1:38
7Renin-angiotensin system in the pathogenesis of liver fibrosis显示文摘Hepatic fibrosis is considered a common response to many chronic hepatic injuries.It is a multifunctional process that involves several cell types,cytokines,chemokines and growth factors leading to a disruption of homeostatic mechanisms that maintain the liver ecosystem.In spite of many studies regarding the development of fibrosis,the understanding of the pathogenesis remains obscure.The hepatic tissue remodeling process is highly complex,resulting from the balance between collagen degradation and synthesis.Among the many mediators that take part in this process,the components of the Renin angiotensin system(RAS) have progressively assumed an important role.Angiotensin(Ang)□acts as a profibrotic mediator and Ang-(1-7),the newly recognized RAS component,appears to exert a counter-regulatory role in liver tissue.We briefly review the liver fibrosis process and current aspects of the RAS.This review also aims to discuss some experimental evidence regarding the participation of RAS mediators in the pathogenesis of liver fibrosis,focusing on the putative role of the ACE2-Ang-(1-7)-Mas receptor axis.Regina Maria Pereira Robson Augusto Souza dos Santos Filipi Leles da Costa Dias Mauro Martins Teixeira Ana Cristina Simoes e Silva 2009World Journal of Gastroenterology2009,15,21:37
8Current knowledge on esophageal atresia显示文摘Esophageal atresia (EA) with or without tracheoesophageal fistula (TEF) is the most common congenital anomaly of the esophagus. The improvement of survival observed over the previous two decades is multifactorial and largely attributable to advances in neonatal intensive care, neonatal anesthesia, ventilatory and nutritional support, antibiotics, early surgical intervention, surgical materials and techniques. Indeed, mortality is currently limited to those cases with coexisting severe life-threatening anomalies. The diagnosis of EA is most commonly made during the first 24 h of life but may occur either antenatally or may be delayed. The primary surgical correction for EA and TEF is the best option in the absence of severe malformations. There is no ideal replacement for the esophagus and the optimal surgical treatment for patients with long-gap EA is still contro-versial. The primary complications during the postoperative period are leak and stenosis of the anastomosis, gastro-esophageal reflux, esophageal dysmotility, fistula recurrence, respiratory disorders and deformities of the thoracic wall. Data regarding long-term outcomes and follow-ups are limited for patients following EA/TEF repair. The determination of the risk factors for the complicated evolution following EA/TEF repair may positively impact long-term prognoses. Much remains to be studied regarding this condition. This manuscript provides a literature review of the current knowledge regarding EA.Paulo Fernando Martins Pinheiro Ana Cristina Simoes e Silva Regina Maria Pereira 2012World Journal of Gastroenterology2012,18,28:35
9Opportunities and Challenges in Deep Mining: A Brief Review显示文摘随着全球生活水平的提高,更多消费者进入了矿物资源市场,使得矿物资源的消耗正在迅速增长。其结果是,在21世纪为了有效应对矿物资源供应危机,地下采矿持续地向更深的水平推进。然而,深部采矿在一个需要有非常规技术以及有挑战性的环境下进行,为了克服这些挑战和实现可观的经济收益需要重大的创新性解决方案、最佳实践以及实施额外的安全标准。这些挑战包括深部采矿工程常常遇到的灾难性事件:岩爆、瓦斯突出、高的原岩和次生应力、大变形、挤压和流变岩体以及高温。本文回顾了全球深部采矿现状,指出了一些与深部采矿的岩石力学和工程地质相关的技术进展及机遇。在这些技术进展中,基于全自动化的采矿和矿物提取过程的无人工作面和无人矿山已成为21世纪的重要领域。Pathegama G. Ranjith Jian Zhao Minghe Ju Radhika V. S. De Silva Tharaka D. Rathnaweera Adheesha K. M. S. Bandara 2017Engineering2017,3,4:31
10Complications of hip fractures: A review显示文摘Nowadays, fracture surgery represents a big part of the orthopedic surgeon workload, and usually has associated major clinical and social cost implications. These fractures have several complications. Some of these are medical, and other related to the surgical treatment itself. Medical complications may affect around 20% of patients with hip fracture. Cognitive and neurological alterations, cardiopulmonary affections(alone or combined), venous thromboembolism, gastrointestinal tract bleeding, urinary tract complications, perioperative anemia, electrolytic and metabolic disorders, and pressure scars are the most important medical complications after hip surgery in terms of frequency, increase of length of stay and perioperative mortality. Complications arising from hip fracture surgery are fairly common, and vary depending on whether the fracture is intracapsular or extracapsular. The main problems in intracapsular fractures are biological: vascularization of the femoral head, and lack of periosteum-a major contributor to fracture healing- in the femoral neck. In extracapsularfractures, by contrast, the problem is mechanical, and relates to load-bearing. Early surgical fixation, the role of anti-thromboembolic and anti-infective prophylaxis, good pain control at the perioperative, detection and management of delirium, correct urinary tract management, avoidance of malnutrition, vitamin D supplementation, osteoporosis treatment and advancement of early mobilization to improve functional recovery and falls prevention are basic recommendations for an optimal maintenance of hip fractured patients.Pedro Carpintero Jose Ramón Caeiro Rocío Carpintero Angela Morales Samuel Silva Manuel Mesa 2014World Journal of Orthopedics2014,5,4:31
11Helicobacter pylori infection: Beyond gastric manifestations显示文摘Helicobacter pylori(H.pylori)is a bacterium that infects more than a half of world’s population.Although it is mainly related to the development of gastroduodenal diseases,several studies have shown that such infection may also influence the development and severity of various extragastric diseases.According to the current evidence,whereas this bacterium is a risk factor for some of these manifestations,it might play a protective role in other pathological conditions.In that context,when considered the gastrointestinal tract,H.pylori positivity have been related to Inflammatory Bowel Disease,Gastroesophageal Reflux Disease,Non-Alcoholic Fatty Liver Disease,Hepatic Carcinoma,Cholelithiasis,and Cholecystitis.Moreover,lower serum levels of iron and vitamin B12 have been found in patients with H.pylori infection,leading to the emergence of anemias in a portion of them.With regards to neurological manifestations,a growing number of studies have associated that bacterium with multiple sclerosis,Alzheimer’s disease,Parkinson’s disease,and Guillain-Barrésyndrome.Interestingly,the risk of developing cardiovascular disorders,such as atherosclerosis,is also influenced by the infection.Besides that,the H.pylori-associated inflammation may also lead to increased insulin resistance,leading to a higher risk of diabetes mellitus among infected individuals.Finally,the occurrence of dermatological and ophthalmic disorders have also been related to that microorganism.In this sense,this minireview aims to gather the main studies associating H.pylori infection with extragastric conditions,and also to explore the main mechanisms that may explain the role of H.pylori in those diseases.Maria Luisa Cordeiro Santos Breno Bittencourt de Brito Filipe Antonio França da Silva Mariana Miranda Sampaio Hanna Santos Marques Natalia Oliveira e Silva Dulciene Maria de Magalhaes Queiroz Fabricio Freire de Melo 2020World Journal of Gastroenterology2020,26,28:34
12Helicobacter pylori in dental plaque and stomach of patients from Northern Brazil显示文摘AIM: To establish whether virulence factor genes vacA and cagA are present in Helicobacter pylori (H. pylori) retrieved from gastric mucosa and dental plaque in pa-tients with dyspepsia. METHODS: Cumulative dental plaque specimens and gastric biopsies were submitted to histological exami-nation, rapid urease test and polymerase chain reac-tion (PCR) assays to detect the presence of cagA and vacA polymorphisms.RESULTS: Detection of H. pylori from dental plaque and gastric biopsy samples was greater by PCR com-pared to histological examination and the rapid ure-ase test. DNA from H. pylori was detected in 96% of gastric mucosa samples and in 72% of dental plaque samples. Sixty-three (89%) of 71 dental plaque sam-ples that were H. pylori-positive also exhibited identical vacA and cagA genotypes in gastric mucosa. The most common genotype was vacAs1bm1 and cagA positive, either in dental plaque or gastric mucosa. These viru-lent H. pylori isolates were involved in the severity of clinical outcome.CONCLUSION: These pathogenic strains were found simultaneously in dental plaque and gastric mucosa, which suggests that gastric infection is correlated with the presence of H. pylori in the mouth.Mnica Baraúna Assumpo Luisa Caricio Martins Hivana Patricia Melo Barbosa Katarine Antonia dos Santos Barile Sintia Silva de Almeida Paulo Pimentel Assumpo Tereza Cristina de Oliveira Corvelo 2010World Journal of Gastroenterology2010,16,24:29
13Cerebral ischemia and neuroregeneration显示文摘Cerebral ischemia is one of the leading causes of morbidity and mortality worldwide. Although stroke(a form of cerebral ischemia)-related costs are expected to reach 240.67 billion dollars by 2030, options for treatment against cerebral ischemia/stroke are limited. All therapies except anti-thrombolytics(i.e., tissue plasminogen activator) and hypothermia have failed to reduce neuronal injury, neurological deficits, and mortality rates following cerebral ischemia, which suggests that development of novel therapies again st stroke/cerebral ischemia are urgently needed. Here, we discuss the possible mechanism(s) underlying cerebral ischemia-induced brain injury, as well as current and future novel therapies(i.e., growth factors, nicotinamide adenine dinucleotide, melatonin, resveratrol, protein kinase C isozymes, pifithrin, hypothermia, fatty acids, sympathoplegic drugs, and stem cells) as it relates to cerebral ischemia.Reggie H.C.Lee Michelle H.H.Lee Celeste Y.C.Wu Alexandre Couto e Silva Harlee E.Possoit Tsung-Han Hsieh Alireza Minagar Hung Wen Lin 2018Neural Regeneration Research2018,13,3:30
14Risk factors associated with the development of ischemic colitis显示文摘AIM:To ascertain the role of cardiovascular risk factors,cardiovascular diseases,standard treatments and other diseases in the development of ischemic colitis(IC).METHODS:A retrospective,case-control study was designed,using matched data and covering 161 incident cases of IC who required admission to our hospital from 1998 through 2003.IC was diagnosed on the basis of endoscopic findings and diagnostic or compatible his-tology.Controls were randomly chosen from a cohort of patients who were admitted in the same period and required a colonoscopy,excluding those with diagnosis of colitis.Cases were matched with controls(ratio 1:2),by age and sex.A conditional logistic regression was performed.RESULTS:A total of 483 patients(161 cases,322 con-trols)were included;mean age 75.67±10.03 years,55.9%women.The principal indications for colonos-copy in the control group were lower gastrointestinal hemorrhage(35.4%),anemia(33.9%),abdominal pain(19.9%)and diarrhea(9.6%).The endoscopic findings in this group were hemorrhoids(25.5%),diverticular disease(30.4%),polyps(19.9%)and colorectal cancer(10.2%).The following variables were associated with IC in the univariate analysis:arterial hypertension(P= 0.033);dyslipidemia(P<0.001);diabetes mellitus(P =0.025);peripheral arterial disease(P=0.004);heart failure(P=0.026);treatment with hypotensive drugs(P=0.023);angiotensin-converting enzyme inhibitors;(P=0.018);calcium channel antagonists(P=0.028);and acetylsalicylic acid(ASA)(P<0.001).Finally,the following variables were independently associated with the development of IC:diabetes mellitus[odds ratio(OR)1.76,95%confidence interval(CI):1.001-3.077,P=0.046];dyslipidemia(OR 2.12,95%CI:1.26-3.57,P=0.004);heart failure(OR 3.17,95%CI:1.31-7.68,P=0.01);peripheral arterial disease(OR 4.1,95%CI:1.32-12.72,P=0.015);treatment with digoxin(digitalis)(OR 0.27,95%CI:0.084-0.857,P=0.026);and ASA(OR 1.97,95%CI:1.16-3.36,P=0.012).CONCLUSION:The development of an episode of IC was independently associated with diabetes,dyslipid-emia,presence of heart failure,peripheral arterial dis-ease and treatment with digoxin or ASA.Joaquín Cubiella Fernández Luisa Núez Calvo Elvira González Vázquez Maria Jesús García García Maria Teresa Alves Pérez Isabel Martínez Silva Javier Fernández Seara 2010World Journal of Gastroenterology2010,16,36:27
15Pediatric functional constipation treatment with Bifi dobacterium-containing yogurt:A crossover,double-blind,controlled trial显示文摘AIM: To evaluate the treatment of pediatric functional chronic intestinal constipation (FCIC) with a probiotic goat yogurt. METHODS: A crossover double-blind formula-controlled trial was carried out on 59 students (age range: 5-15 years) of a public school in Belo Horizonte, MG, Brazil, presenting a FCIC diagnostic, according to Roma Ⅲ criteria. The students were randomized in two groups to receive a goat yogurt supplemented with 109 colony forming unit/mL Bifidobacterium longum (B.longum) (probiotic) daily or only the yogurt for a period of 5 wk (formula). Afterwards, the groups were intercrossed for another 5 wk. Defecation frequency, stool consistency and abdominal and defecation pain were assessed.RESULTS: Both treatment groups demonstrated improvement in defecation frequency compared to baseline. However, the group treated with probiotic showed most signif icant improvement in the f irst phase of the study. An inversion was observed after crossing over, resulting in a reduction in stool frequency when this group was treated by formula. Probiotic and formula improved stool consistency in the f irst phase of treatment, but the improvement obtained with probiotic was significantly higher (P = 0.03). In the second phase of treatment, the group initially treated with probiotic showed worseningstool consistency when using formula. However, the difference was not signif icant. A signif icant improvement in abdominal pain and defecation pain was observed with both probiotic and formula in the first phase of treatment, but again the improvement was more signif icant for the group treated with B. longum during phase I (P < 0.05). When all data of the crossover study were analyzed, significant differences were observed between probiotic yogurt and yogurt only for defecation frequency (P = 0.012), defecation pain (P = 0.046) and abdominal pain (P = 0.015).Paula VP Guerra Luiza N Lima Tassia C Souza Vanessa Mazochi Francisco J Penna Andreia M Silva Jacques R Nicoli Elizabet V Guimares 2011World Journal of Gastroenterology2011,17,34:25
16FAIR Principles:Interpretations and Implementation Considerations显示文摘The FAIR principles have been widely cited,endorsed and adopted by a broad range of stakeholders since their publication in 2016.By intention,the 15 FAIR guiding principles do not dictate specific technological implementations,but provide guidance for improving Findability,Accessibility,Interoperability and Reusability of digital resources.This has likely contributed to the broad adoption of the FAIR principles,because individual stakeholder communities can implement their own FAIR solutions.However,it has also resulted in inconsistent interpretations that carry the risk of leading to incompatible implementations.Thus,while the FAIR principles are formulated on a high level and may be interpreted and implemented in different ways,for true interoperability we need to support convergence in implementation choices that are widely accessible and(re)-usable.We introduce the concept of FAIR implementation considerations to assist accelerated global participation and convergence towards accessible,robust,widespread and consistent FAIR implementations.Any self-identified stakeholder community may either choose to reuse solutions from existing implementations,or when they spot a gap,accept the challenge to create the needed solution,which,ideally,can be used again by other communities in the future.Here,we provide interpretations and implementation considerations(choices and challenges)for each FAIR principle.Annika Jacobsen Ricardo de Miranda Azevedo Nick Juty Dominique Batista Simon Coles Ronald Cornet Melanie Courtot Merce Crosas Michel Dumontier Chris T.Evelo Carole Goble Giancarlo Guizzardi Karsten Kryger Hansen Ali Hasnain Kristina Hettne Jaap Heringa Rob W.W.Hooft Melanie Imming Keith G.Jeffery Rajaram Kaliyaperumal Martijn GKersloot Christine R.Kirkpatrick Tobias Kuhn Ignasi Labastida Barbara Magagna PeterMcQuilton Natalie Meyers Annalisa Montesanti Mirjam van Reisen Philippe Rocca-Serra Robert Pergl Susanna-Assunta Sansone Luiz Olavo Bonino da Silva Santos Juliane Schneider George Strawn Mark Thompson Andra Waagmeester Tobias Weigel Mark D.Wilkinson Egon L.Willighagen Peter Wittenburg Marco Roos Barend Mons Erik Schultes 2020Data Intelligence2020,2,1:26
17Promoter hypermethylation of CDH1, FHIT, MTAP and PLAGL1 in gastric adenocarcinoma in individuals from Northern Brazil显示文摘AIM: To evaluate the methylation status of CDH1, FHIT, MTAP and PLAGL1 promoters and the association of these findings with clinico-pathological characteristics. METHODS: Methylation-specific PCR (MSP) assay was performed in 13 nonneoplastic gastric adenocarcinoma, 30 intestinal-type gastric adenocarcinoma and 35 diffuse- type gastric adenocarcinoma samples from individuals in Northern Brazil. Statistical analyses were performed using the chi-square or Fisher’s exact test to assess associations between methylation status and clinico- pathological characteristics. RESULTS: Hypermethylation frequencies of CDH1, FHIT, MTAP and PLAGL1 promoter were 98.7%, 53.9%, 23.1% and 29.5%, respectively. Hypermethylation of three or four genes revealed a significant association with diffuse-type gastric cancer compared with nonneoplastic cancer. A higher hypermethylation frequency wassignificantly associated with H pylori infection in gastric cancers, especially with diffuse-type. Cancer samples without lymph node metastasis showed a higher FHIT hypermethylation frequency. MTAP hypermethylation was associated with H pylori in gastric cancer samples, as well as with diffuse-type compared with intestinal-type. In diffuse-type, MTAP hypermethylation was associated with female gender. CONCLUSION: Our findings show differential gene methylation in tumoral tissue, which allows us to conclude that hypermethylation is associated with gastric carcinogenesis. MTAP promoter hypermethylation can be characterized as a marker of diffuse-type gastric cancer, especially in women and may help in diagnosis, prognosis and therapies. The H pylori infectious agent was present in 44.9% of the samples. This infection may be correlated with the carcinogenic process through the gene promoter hypermethylation, especially the MTAP promoter in diffuse-type. A higher H pylori infection in diffuse-type may be due to greater genetic predisposition.Mariana Ferreira Leal Eleonidas Moura Lima Patrícia Natália Oliveira Silva Paulo Pimentel Assumpo Danielle Queiroz Calcagno Spencer Luiz Marques Payo Rommel Rodríguez Burbano Marília de Arruda Cardoso Smith 2007World Journal of Gastroenterology2007,13,18:24
18Study of the production of Λ_b^0 band ~0 hadrons in pp collisions and first measurement of the Λ_b^0→J/ψpK^- branching fraction显示文摘The product of the A_b^0(B^0) differential production cross-section and the branching fraction of the decay A_b^0→J/ψpK^-(B^0→J/ψK~*(892)~0) is measured as a function of the beauty hadron transverse momentum,p_T,and rapidity,y.The kinematic region of the measurements is p_T <20 GeV/c and 2.0O.Kochebina M.Kolpin I.Komarov R.F.Koopman P.Koppenburg M.Kozeiha L.Kravchuk K.Kreplin M.Kreps G.Krocker P.Krokovny F.Kruse W.Krzemien W.Kucewicz M.Kucharczyk V.Kudryavtsev A.K.Kuonen K.Kurek T.Kvaratskheliya D.Lacarrere G.Lafferty A.Lai D.Lambert G.Lanffanchi C.Langenbruch B.Langhans T.Latham C.Lazzeroni R.Le Gac J.van Leerdam J.-P.Lees R.Lefevre A.Leflat J.Lefrancois E.Lemos Cid O.Leroy T.Lesiak B.Leverington Y.Li T.Likhomanenko M.Liles R.Lindner C.Linn F.Lionetto B.Liu X.Liu D.Loh I.Longstaff J.H.Lopes D.Lucchesi M.Lucio Martinez H.Luo A.Lupato E.Luppi O.Lupton A.Lusiani F.Machefert F.Maciuc O.Maev K.Maguire S.Malde A.Malinin G.Manca G.Mancinelli P.Manning A.Mapelli J.Maratas J.F.Marchand U.Marconi C.Marin Benito P.Marino J.Marks G.Martellottil M.Martin M.Martinelli D.Martinez Santos F.Martinez Vidal D.Martins Tostes A.Massafferri R.Matev A.Mathad Z.Mathe C.Matteuzzi A.Mauri B.Maurin A.Mazurov M.McCann J.McCarthy A.McNab R.McNulty B.Meadows F.Meier M.Meissner D.Melnychuk M.Merk E Michielin D.A.Milanes M.-N.Minard D.S.Mitzel J.Molina Rodrigue I.A.Monroy S.Monteil M.Morandin P.Morawski A.Morda M.J.Morello J.Moron A.B.Morris R.Mountain F.Muheim D.Miiller J.Muller K.Muller V.Muller M.Mussini B.Muster P.Naik T.Nakada R.Nandakumar A.Nandi I.Nasteva M.Needham N.Neri S.Neubert N.Neufeld M.Neuner A.D.Nguyen T.D.Nguyen C.Nguyen-Mau V.Niess R.Niet N.Nikitin T.Nikodem D.Ninci A.Novoselov D.P.O'Hanlon A.Oblakowska-Mucha V.Obraztsov S.Ogilvy O.Okhrimenko R.Oldeman C.J.G.Onderwater B.Osorio Rodrigues J.M.Otalora Goicochea A.Otto P.Owen A.Oyanguren A.Palano F.Palombo M.Palutan J.Panman A.Papanestis M.Pappagallo L.L.Pappalardo C.Pappenheimer C.Parkes G.Passaleva G.D.Patel M.Patel C.Patrignani A.Pearce A.Pellegrino G.Penso M.Pepe Altarelli S.Perazzini P.Perret L.Pescatore K.Petridis A.Petrolini M.Petruzzo E.Picatoste Olloqui B.Pietrzyk T:.Pilar D.Pinci A.Pistone A.Piucci S.Playfer M.Plo Casasus T.Poikela F.Polci A.Poluektov I.Polyakov E.Polycarpo A.Popov D.Popov B.Popovici C.Potterat E.Price J.D.Price J.Prisciandaro A.Pritchard C.Prouve V.Pugatch A.Puig Navarro G.Punzi W.Qian R.Quagliani B.Rachwal J.H.Rademacker M.Rama M.S.Rangel I.Raniuk N.Rauschmayr G.Raven F.Redi S.Reichert M.M.Reid A.C.dos Reis S.Ricciardi S.Richards M.Rihl K.Rinnert V.Rives Molina P.Robbe A.B.Rodrigues E.Rodrigues J.A.Rodriguez Lopez P.Rodriguez Perez S.Roiser V.Romanovsky A.Romero Vidalt J.W.R onayne M.Rotondo J.Rouvinet T.Ruf P.Ruiz Valls J.J.Saborido Silva N.Sagidova P.Sail B.Saitta V.Salustino Guimaraes C.Sanchez Mayordomo B.Sanmartin Sedes R.Santacesaria C.Santamarina Rios M.Santimaria E.Santovetti A.Sarti C.Satriano A.Satta D.M.Saunders D.Savrina M.Schiller H.Schindler M.Schlupp M.Schmelling T.Schmelzer B.Schmidt O.Schneider A.Schopper M.Schubiger M.-H.Schune R.Schwemmer B.Sciascia A.Sciubba A.Semennikov N.Serra J.Serrano L.Sestini P.Seyfert M.Shapkin I.Shapoval Y.Shcheglov T.Shears L.Shekhtman V.Shevchenko A.Shires B.G.Siddi R.Silva Coutinho L.Silva de Oliveira G.Simi M.Sirendi N.Skidmore T.Skwarnicki E.Smith E.Smith I.T.Smith J.Smith M.Smith H.Snoek M.D.Sokoloff F.J.P.Soler F.Soomro D.Souza B.Souza De Paula B.Spaan P.Spradlin S.Sridharan F.Stagni M.Stahl S.Stahl S.Stefkova O.Steinkamp O.Stenyakin S.Stevenson S.Stoica S.Stone B.Storaci S.Stracka M.Straticiuc U.Straumann L.Sun W.Sutcliffe K.Swientek S.Swientek V.Syropoulos M.Szczekowski P.Szczypka T.Szumlak S.T'Jampens A.Tayduganov T.Tekampe M.T eklishyn G.Teilarini F.Teubert C.Thomas E.Thomas J.van Tilburg V.Tisserand M.Tobin J.Todd S.Tolk L.Tomassetti D.Tonelli S.Topp-Joergensen N.Torr E.Tournefier S.Tourneur K.Trabelsi M.T.Tran M.Tresch A.Trisovic A.Tsaregorodtsev P.Tsopelas N.Tuning A.Ukleja A.Ustyuzhanin U.Uwer C.Vacca V.Vagnonit G.Valentit A.Vallier R.Vazquez Gomez P.Vazquez Regueiro C.Vazquez Sierra S.Vecchi J.J.Velthuis M.Veltri G.Veneziano M.Vesterinen B.Viaud D.Vieira M.Vieites Diaz X.Vitasis-Cardona V.Volkov A.Vollhardt D.Volyanskyy D.Voong A.Vorobyev V.Vorobyev C.Voβ J.A.de Vries R.Waldi C.Wallace R.Wallace J.Walsh S.Wandernoth J.Wang D.R.Ward N.K.Watson D.Websdale A.Weiden M.Whitehead G.Wilkinson M.Wilkinson M.Williams M.P.Williams T.Williams F.F.Wilson J.Wimberley J.Wishahi W.Wislicki M.Witek G.Wormser S.A.Wotton S.Wright K.Wyllie Y.Xie Z.Xu Z.Yang J.Yu X.Yuan O.Yushchenko M.Zangoli M.Zavertyaev L.Zhang Y.Zhang A.Zhelezov A.Zhokhov L.Zhong S.Zucchelli 2016Chinese Physics C2016,40,1:23
19Feasibility and safety of autologous bone marrow mononuclear cell transplantation in patients with advanced chronic liver disease显示文摘AIM: To evaluate the safety and feasibility of bone marrow cell (BMC) transplantation in patients with chronic liver disease on the waiting list for liver transplantation. METHODS: Ten patients (eight males) with chronic liver disease were enrolled to receive infusion of autologous bone marrow-derived cells. Seven patients were classified as Child-Pugh B and three as Child-Pugh C. Baseline assessment included complete clinical and laboratory evaluation and abdominal MRI. Approximately 50 ml of bone marrow aspirate was prepared by centrifugation in a ficoll-hypaque gradient. At least of 100 millions of mononuclear-enriched BMCs were infused into the hepatic artery using the routine technique for arterial chemoembolization for liver tumors. Patients were followed up for adverse events up to 4 mo. RESULTS: The median age of the patients was 52 years (range 24-70 years). All patients were discharged 48 h after BMC infusion. Two patients complained ofmild pain at the bone marrow needle puncture site. No other complications or specific side effects related to the procedure were observed. Bilirubin levels were lower at 1 (2.19 ± 0.9) and 4 mo (2.10 ± 1.0) after cell transplantation that baseline levels (2.78 ± 1.2). Albumin levels 4 mo after BMC infusion (3.73 ± 0.5) were higher than baseline levels (3.47 ± 0.5). International normalized ratio (INR) decreased from 1.48 (SD = 0.23) to 1.43 (SD = 0.23) one month after cell transplantation. CONCLUSION: BMC infusion into hepatic artery of patients with advanced chronic liver disease is safe and feasible. In addition, a decrease in mean serum bilirubin and INR levels and an increase in albumin levels are observed. Our data warrant further studies in order to evaluate the effect of BMC transplantation in patients with advanced chronic liver disease.Andre Castro lyra Milena Botelho Pereira Soares luiz Flavio Maia da Silva Marcos Fraga Fortes André Goyanna Pinheiro Silva Augusto César de Andrade Mota Sheilla A Oliveira Eduardo lorens Braga Wilson Andrade de Carvalho Bernd Genser Ricardo Ribeiro dos Santos luiz Guilherme Costa lyra 2007World Journal of Gastroenterology2007,13,7:21
20Polymorphisms of the TLR2 and TLR4 genes are associated with risk of gastric cancer in a Brazilian population显示文摘AIM:To investigate toll-like receptor 2(TLR2)-196 to-174 del,and TLR4(+896A/G rs4986790 and +1196C/T rs4986791) polymorphisms at risk of chronic gastritis and gastric cancer in a Brazilian population and association of gastric lesions with risk factors such as smoking,alcohol intake and Helicobacter pylori infection.METHODS:In this case-control study,polymorphism at TLR2-196 to-174 del was investigated by using the allele-specific polymerase chain reaction(PCR) method,while the PCR-restriction fragment length polymorphism technique was carried out to identify the TLR4(rs4986790 and rs4986791) genotypes in 607 Brazilian individuals(208 with chronic gastritis-CG,174 with gastric cancer-GC and 225 controls-C).RESULTS:The single nucleotide polymorphisms TLR4 +1196C/T was not associated with risk of chronic gastritis or gastric cancer and the homozygous genotypes TLR4 +896GG and TLR4 +1196TT were absent in the studied population.However,the frequency of TLR2-196 to-174 ins/del + del/del and TLR4 +896AG genotypes was significantly higher(P < 0.01 and P = 0.01,respectively) in the cancer group(33.4% and 11.5%,respectively) than in the control group(16.9% and 4.5%,respectively).It was also observed that the G-C haplotype of the TLR4 +896A/G+1196C/T(P = 0.02) and the combination of variant alleles of the TLR2 /TLR4 +896G(P = 0.02) are associated with susceptibility to gastric cancer.In addition,the multiple logistic regression showed that male gender [odds ratio(OR) = 2.70;95% CI:1.66-4.41;P < 0.01],alcohol intake(OR = 2.93;95% CI:1.76-4.87;P < 0.01),TLR2-196 to-174 del(OR = 2.64;95% CI:1.56-4.44;P < 0.01) and TLR4 +896G(OR = 3.19;95% CI:1.347.61;P < 0.01) polymorphisms were associated with a higher susceptibility to developing this neoplasm.CONCLUSION:Our data indicate that TLR2-196 to-174 del and TLR4 +896G may increase the risk of gastric cancer in a Brazilian population.Juliana Garcia de Oliveira Ana Elizabete Silva 2012World Journal of Gastroenterology2012,18,11:20
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