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1Study 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
2新疆石人子沟遗址出土家马的DNA研究显示文摘运用古DNA技术对新疆石人子沟遗址的墓葬中出土的古代家马样本进行遗传学分析。共选取5匹家马骨骼样本,从中提取DNA并对线粒体DNA控制区和毛色控制基因的核DNA进行PCR扩增。全部样本获得了线粒体DNA序列,在这5个序列中共检测出3个不同的单倍型,可以归属到3个不同的谱系A,B和E。毛色控制基因的SNP检测结果显示石人子沟遗址古代家马有栗色(chestnut)、枣色(bay)和金黄色(palomino)3种不同毛色。尽管样本量很小,但是线粒体DNA和毛色控制基因的核DNA研究均显示出石人子沟遗址的古代家马具有较高的遗传多样性。结合古代文献记载和新疆的特殊地理位置,支持新疆是家马引入中国的一个重要通道的观点。此外,金黄色马与墓主人同葬于墓室,可能是当时特殊的选择,表明马在古代人类社会中具有着重要的地位。赵欣 Antonia T Rodrigues 尤悦 王建新 马健 任萌 袁靖 杨东亚 2014第四纪研究2014,34,1:19
3Diagnosis of pancreatic tumors by endoscopic ultrasound-guided fine-needle aspiration显示文摘AIM: To evaluate the diagnostic accuracy of endoscopic ultrasound-guided fi ne-needle aspiration (EUS-FNA) for pancreatic solid tumors larger or smaller than 3 cm, and cystic lesions. METHODS: From January/1997 to December/2006, 611 patients with pancreatic tumors were subjected to EUS-FNA. The fi nal diagnosis was obtained either by surgery (356 cases) or after a mean clinical follow-up of 11.8 mo in the remaining patients. RESULTS: There were 405 solid tumors, 189 cystic lesions and 17 mixed. Pancreatic specimens for cytological assessment were successfully obtained by EUS-FNA in 595 (97.4/) cases. There were 352 (57.6/) malignancies and 259 (42.4/) benign tumors. Among the malignancies, pancreatic adenocarcinomas accounted for 67/ of the lesions. Overall, the sensitivity, specifi city, positive and negative predictive values, and accuracy of EUS-FNA were, respectively, 78.4/, 99.2/, 99.3/, 77.2/ and 87.2/. Specif ically for solid tumors, the same parameters for neoplasms larger and smaller than 3 cm were, respectively, 78.8/ vs 82.4/, 100/ vs 98.4/, 100/ vs 99/, 54.8/ vs 74.1/ and 83.1/ vs 87.8/. For cystic lesions, the values were, respectively, 72.2/, 99.3/, 97.5/, 91/ and 92.2/. CONCLUSION: EUS-FNA can be used to sample pancreatic tumors in most patients. Even though the negative predictive value is inadequate for large solid tumors, the results are rather good for small solid tumors, especially concerning the sensitivity, negative predictive value and diagnostic accuracy. Among all pancreatic lesions, EUS-FNA for cystic lesions canreveal the best negative predictive value and diagnostic accuracy, both higher than 90/.José Celso Ardengh César Vivian Lopes Luiz Felipe Pereira de Lima Juliano Rodrigues de Oliveira Filadélfi o Venco Giulio Cesare Santo José Luiz Pimenta Módena 2007World Journal of Gastroenterology2007,13,22:17
4Role of diet and gut microbiota on colorectal cancer immunomodulation显示文摘Colorectal cancer(CRC) is one of the most commonly diagnosed cancers, and it is characterized by genetic and epigenetic alterations, as well as by inflammatory cell infiltration among malignant and stromal cells. However, this dynamic infiltration can be influenced by the microenvironment to promote tumor proliferation, survival and metastasis or cancer inhibition. In particular, the cancer microenvironment metabolites can regulate the inflammatory cells to induce a chronic inflammatory response that can be a predisposing condition for CRC retention. In addition, some nutritional components might contribute to a chronic inflammatory condition by regulating various immune and inflammatory pathways. Besides that, diet strongly modulates the gut microbiota composition,which has a key role in maintaining gut homeostasis and is associated with the modulation of host inflammatory and immune responses. Therefore, diet has a fundamental role in CRC initiation, progression and prevention. In particular,functional foods such as probiotics, prebiotics and symbiotics can have a potentially positive effect on health beyond basic nutrition and have antiinflammatory effects. In this review, we discuss the influence of diet on gut microbiota composition, focusing on its role on gut inflammation and immunity.Finally, we describe the potential benefits of using probiotics and prebiotics to modulate the host inflammatory response, as well as its application in CRC prevention and treatment.Carolina Vieira De Almeida Marcela Rodrigues de Camargo Edda Russo Amedeo Amedei 2019World Journal of Gastroenterology2019,25,2:16
5Cardiovascular autonomic neuropathy in diabetes:Pathophysiology,clinical assessment and implications显示文摘Cardiovascular autonomic neuropathy(CAN)is a debilitating condition that mainly occurs in long-standing type 2 diabetes patients but can manifest earlier,even before diabetes is diagnosed.CAN is a microvascular complication that results from lesions of the sympathetic and parasympathetic nerve fibers,which innervate the heart and blood vessels and promote alterations in cardiovascular autonomic control.The entire mechanism is still not elucidated,but several aspects of the pathophysiology of CAN have already been described,such as the production of advanced glycation end products,reactive oxygen species,nuclear factor kappa B,and pro-inflammatory cytokines.This microvascular complication is an important risk factor for silent myocardial ischemia,chronic kidney disease,myocardial dysfunction,major cardiovascular events,cardiac arrhythmias,and sudden death.It has also been suggested that,compared to other traditional cardiovascular risk factors,CAN progression may have a greater impact on cardiovascular disease development.However,CAN might be subclinical for several years,and a late diagnosis increases the mortality risk.The duration of the transition period from the subclinical to clinical stage remains unknown,but the progression of CAN is associated with a poor prognosis.Several tests can be used for CAN diagnosis,such as heart rate variability(HRV),cardiovascular autonomic reflex tests,and myocardial scintigraphy.Currently,it has already been described that CAN could be detected even during the subclinical stage through a reduction in HRV,which is a non-invasive test with a lower operating cost.Therefore,considering that diabetes mellitus is a global epidemic and that diabetic neuropathy is the most common chronic complication of diabetes,the early identification and treatment of CAN could be a key point to mitigate the morbidity and mortality associated with this long-lasting condition.Alice Duque Mauro Felippe Felix Mediano Andrea De Lorenzo Luiz Fernando Rodrigues Jr 2021World Journal of Diabetes2021,12,6:14
6Effectiveness of Acupuncture on Pain, Physical Function and Health-Related Quality of Life in Patients with Rheumatoid Arthritis: A Systematic Review of Quantitative Evidence显示文摘Objective: To identify and synthesize the most recent available evidence of effectiveness of acupuncture on pain, physical function and health-related quality of life(HRQoL) in patients with rheumatoid arthritis(RA). Methods: A comprehensive search of 12 Western and Chinese databases was undertaken from their inception up to end of 2016. Randomized controlled trials(RCTs), concerning patients with RA treated with needle acupuncture, written in English, Portuguese, German or Chinese were included. Primary outcomes included pain, physical function and HRQoL. Secondary outcomes included morning stiffness, functional impairment, number of tender and swollen joints and serum concentrations of inflamatory markers. Methodological quality was assessed by three independent reviewers using the standardized critical appraisal instrument from the Joanna Briggs Institute Meta-Analysis of Statistics Assessment and Review Instrument. Results: Twenty-two studies met the inclusion criteria. Of those, 9 studies were excluded after assessment of their methodological quality. The remaining 13 original RCTs included 974 patients. Ten of these studies published in China, showed favorable statistical significant effects of acupuncture in relieving symptoms of RA compared with controls. Conclusions: Evidence suggests that acupuncture interventions may have a positive effect in pain relief, physical function and HRQo L in RA patients. However, due to the heterogeneity and methodologic limitations of the studies included in this systematic review, evidence is not strong enough to produce a best practice guideline.Susana Seca Diana Miranda Daniela Cardoso Bernice Nogueira Henry J.Greten Antonio Cabrita Manuel Alves Rodrigues 2019Chinese Journal of Integrative Medicine2019,25,9:11
7Impact of osteoporosis in dental implants:A systematic review显示文摘AIM: To assess the failure and bone-to-implant contact rate of dental implants placed on osteoporotic subjects. METHODS: Extensive examination strategies were created to classify studies for this systematic review. MEDLINE(via Pub Med) and EMBASE database were examined for studies in English up to and including May 2014. The examination presented a combination of the MeS H words described as follow: 'osteoporosis' or 'osteopenia' or 'estrogen deficiency' AND 'implant' or 'dental implant' or 'osseointegration'. Assessment of clinical and/or histological peri-implant conditions in osteoporosis subjects treated with titanium dental implants. The examination included a combination of the MeS H terms described as follow: 'osteoporosis' or 'osteopenia' or 'estrogen deficiency' AND 'implant' or 'dental implant' or 'osseointegration'.RESULTS: Of 943 potentially eligible articles, 12 were included in the study. A total of 133 subjects with osteoporosis, 73 subjects diagnosed with osteopenia and 708 healthy subjects were assessed in this systematic review. In these subjects were installed 367, 205, 2981 dental implants in osteoporotic, osteopenic and healthy subjects, respectively. The failure rate of dental implant was 10.9% in osteoporotic subjects, 8.29% in osteopenic and 11.43% in healthy ones. Bone-to-implant contact obtained from retrieved implants ranged between 49.96% to 47.84%, for osteoporosis and non-osteoporotic subjects. CONCLUSION: Osteoporotic subjects presented higher rates of implant loss, however, there is a lower evidence to strengthen or refute the hypothesis that osteoporosis may have detrimental effects on bone healing. Consequently, final conclusions regarding the effect of osteoporosis in dental implant therapy cannot be made at this time. There are no randomized clinical trial accessible for evaluation and the retrospectivenature of the evaluated studies shall be taken in account when interpreting this study.Gabriela Giro Leandro Chambrone Abrao Goldstein Jose Augusto Rodrigues Elton Zenóbio Magda Feres Luciene Cristina Figueiredo Alessandra Cassoni Jamil Awad Shibli 2015World Journal of Orthopedics2015,6,2:11
8Cytokines,cytokine gene polymorphisms and Helicobacter pylori infection:Friend or foe?显示文摘Helicobacter pylori(H.pylori)is a flagellated,spiralshaped,microaerophilic Gram-negative bacillus that colonises the gastric mucosa of more than 50%of the human population.Infection is a risk factor for gastritis,ulcer disease and stomach cancer.Immunity against H.pylori is mainly related to Th1/Th17 skewing,and the activation of regulatory T cells is the main strategy used to limit inflammatory responses,which can result in the pathogen persistence and can lead to chronic gastrointestinal diseases,including cancer.Furthermore,host genetic factors that affect cytokines may determine differences in the susceptibility to many diseases.In this review,we present the cytokine profiles and the main cytokine gene polymorphisms associated with resistance/susceptibility to H.pylori and discuss how such polymorphisms may influence infection/disease outcomes.Camila A Figueiredo Cintia Rodrigues Marques Ryan dos Santos Costa Hugo Bernardino F da Silva Neuza M Alcantara-Neves 2014World Journal of Gastroenterology2014,20,18:11
9百奥明:2012年全球霉菌毒素调查报告显示文摘致读者:多年来,霉菌毒素领域的科学家们一直致力于发展更快速、更可靠和更经济的分析方法,从而能够扩宽霉菌毒素的鉴别范围。作为这项研究的成果,一种多霉菌毒素分析方法目前已可应用,它可在45 min内分析一种原料或饲料样品,应用精确的液相—质谱联用分析仪能够鉴别出超过320种不同的霉菌毒素,其中包括常规分析方法无法检测到的隐蔽的和结合的霉菌毒素。Inês Rodrigues Karin Naehrer 张艳 王金勇 2013中国畜牧杂志2013,49,14:11
10Role of mi RNAs and their potential to be useful as diagnostic and prognostic biomarkers in gastric cancer显示文摘Alterations in epigenetic control of gene expression play an important role in many diseases, including gastric cancer. Many studies have identified a large number of upregulated oncogenic mi RNAs and downregulated tumour-suppressor mi RNAs in this type of cancer. In this review, we provide an overview of the role of mi RNAs, pointing to their potential to be useful as diagnostic and/or prognostic biomarkers in gastric cancer. Moreover, we discuss the influence of polymorphisms and epigenetic modifications on mi RNA activity.Kelly Cristina da Silva Oliveira Taíssa Maíra Thomaz Araújo Camila Inagaki Albuquerque Gabriela Alcantara Barata Carolina Oliveira Gigek Mariana Ferreira Leal Fernanda Wisnieski Fernando Augusto Rodrigues Mello Junior André Salim Khayat Paulo Pimentel de Assumpcao Rommel Mário Rodriguez Burbano Marília Cardoso Smith Danielle Queiroz Calcagno 2016World Journal of Gastroenterology2016,22,35:11
11Neutropenic enterocolitis显示文摘Neutropenic colitis is a severe condition usually affecting immunocompromised patients. Its exact pathogenesis is not completely understood. The main elements in disease onset appear to be intestinal mucosal injury together with neutropenia and the weakened immune system of the afflicted patients. These initial conditions lead to intestinal edema, engorged vessels, and a disrupted mucosal surface, which becomes more vulnerable to bacterial intramural invasion. Chemotherapeutic agents can cause direct mucosal injury(mucositis) or can predispose to distension and necrosis, thereby altering intestinal motility. This article aims to review current concepts regarding neutropenic colitis' pathogenesis, diagnosis, and management.Fabio G Rodrigues Giovanna Dasilva Steven D Wexner 2017World Journal of Gastroenterology2017,23,1:10
12Fatty liver disease in severe obese patients:Diagnostic value of abdominal ultrasound显示文摘AIM:To evaluate the sensitivity and specificity of abdominal ultrasound (US) for the diagnosis of hepatic steatosis in severe obese subjects and its relation to histological grade of steatosis. METHODS: A consecutive series of obese patients, who underwent bariatric surgery from October 2004 to May 2005, was selected. Ultrasonography was performed in all patients as part of routine preoperative time and an intraoperative wedge biopsy was obtained at the beginning of the bariatric surgery. The US and histological findings of steatosis were compared, considering histology as the gold standard. RESULTS: The study included 105 patients. The mean age was 37.2 ± 10.6 years and 75.2% were female. The histological prevalence of steatosis was 89.5%. The sensitivity and specificity of US in the diagnosis of hepatic steatosis were, respectively, 64.9% (95% CI: 54.9-74.3) and 90.9% (95% CI: 57.1-99.5). The positive predictive value and negative predictive value were, respectively, 98.4% (95% CI: 90.2-99.9) and 23.3% (95% CI: 12.3-39.0). The presence of steatosis onUS was associated to advanced grades of steatosis on histology (P = 0.016). CONCLUSION: Preoperative abdominal US in our series has not shown to be an accurate method for the diagnosis of hepatic steatosis in severe obese patients. Until another non-invasive method demonstrates better sensitivity and specificity values, histological evaluation may be recommended to these patients undergoing bariatric surgery.Alessandro de Moura Almeida Helma Pinchemel Cotrim Daniel Batista Valente Barbosa Luciana Gordilho Matteoni de Athayde Adimeia Souza Santos Almir Galvo Vieira Bitencourt Luiz Antonio Rodrigues de Freitas Adriano Rios Erivaldo Alves 2008World Journal of Gastroenterology2008,14,9:10
13Role of endoglin and VEGF family expression in colorectal cancer prognosis and anti-angiogenic therapies显示文摘Colorectal cancer(CRC)is one of the cancer models and most of the carcinogenic steps are presently well understood.Therefore,successful preventive measures are currently used in medical practice.However,CRC is still an important public health problem as it is the third most common cancer and the fourth most frequent cause of cancer death worldwide.Nowadays,pathologic stage is a unique and well-recognized prognostic indicator,however,more accurate indicators of the biologic behavior of CRC are expected to improve the specificity of medical treatment.Angiogenesis plays an important role in the growth and progression of cancer but its role as a prognostic factor is still controversial.Probably the most important clinical implication of tumor angiogenesis is the development of anti-angiogenic therapy.The goal of this review is to critically evaluate the role of angiogenic markers,assessed by either endoglin-related microvessel density or expression of vascular endothelial growth factor family members in the CRC setting and discuss the role of these angiogenic markers in antiangiogenic therapies.Sandra F Martins Rui M Reis Antonio Mesquita Rodrigues Fátima Baltazar Adhemar Longatto Filho 2011World Journal of Clinical Oncology2011,2,6:9
14Biodegradable stent for the treatment of a colonic stricture in Crohn's disease显示文摘Biodegradable polydioxanone stents were developed for the treatment of refractory benign esophageal strictures but have been suggested as a new therapeutic option for intestinal strictures.The primary advantage of biodegradable stents over self-expandable metallic stents is that removal is not required.There are,however,few data available on their use in the small or large bowel.We herein describe the case of a 33-yearold patient with long-standing Crohn's disease(CD) who developed a fibrotic stricture of the sigmoid too long to be amenable to balloon dilation.The use of a biodegradable polydioxanone stent was chosen to avoid surgery.Combined endoscopic and fluoroscopic placement of the stent was technically simple,safe and clinically successful,and no recurrence of obstructive symptoms occurred during a 16-mo follow-up.Further studies are needed to evaluate the long-term efficacy and safety of biodegradable stents in the treatment of intestinal strictures,particularly in the context of CD.Catarina Rodrigues Ana Oliveira Liliana Santos Eduardo Pires Joo Deus 2013World Journal of Gastrointestinal Endoscopy2013,5,5:9
15Autoimmune hepatitis and anti-tumor necrosis factor alpha therapy:A single center report of 8 cases显示文摘This article describes cases of anti-tumor necrosis factor(TNF)-α-induced autoimmune hepatitis and evaluates the outcome of these patients in relation to their immunosuppressive strategy. A retrospective analysis of medical records was performed in our center, in order to detect cases of autoimmune hepatitis(AIH) associated with anti-TNF biologic agents. We describe and analyze eight cases of AIH following anti-TNF therapy, 7 with infliximab and 1 with adalimumab. A distinction should be made between induction of autoimmunity and clinically evident autoimmune disease. Liver biopsy is useful in detecting the role of the TNF-α antagonist in the development of AIH. The lack of relapse after discontinuing immunosuppressive therapy favors, as in this case series, an immune-mediated drug reaction as most patients with AIH have a relapse after treatment is suspended. Although AIH related to anti-TNF therapy is rare, a baseline immunological panel along with liver function tests should be performed in all patients with autoimmune disease before starting biologics.Susana Rodrigues Susana Lopes Fernando Magro Hélder Cardoso Ana Maria Horta e Vale Margarida Marques Eva Mariz Miguel Bernardes Joanne Lopes Fátima Carneiro Guilherme Macedo 2015World Journal of Gastroenterology2015,21,24:9
16Gastric neuroendocrine tumor: A practical literature review显示文摘Gastric neuroendocrine tumors are gastric neoplasms originating from enterochromaffin type cells and are inserted in a larger group,named gastroenteropancreatic neuroendocrine tumors.They are considered rare and variable in terms of their clinical,morphological and functional characteristics and may be indolent or aggressive.They are classified into types I,II and III,according to their pathophysiology,behavior and treatment.Their diagnosis occurs,in most cases,incidentally during upper digestive endoscopies,presenting as simple gastric polyps.Most cases(type I and type II)are related to hypergastrinemia,can be multiple and are treated by endoscopic resection,whenever possible.The use of somatostatin analogs for tumor control may be one of the options for therapy,in addition to total or subtotal gastrectomy for selected cases.Adjuvant chemotherapy is only reserved for poorly differentiated neuroendocrine carcinomas.Although rare,gastric neuroendocrine tumors have an increasing incidence over the years,therefore deserving more comprehensive studies on its adequate treatment.The present study reviews and updates management recommendations for gastric neuroendocrine tumors.Gabriel Antonio Roberto Carolina Magalhães Britto Rodrigues Renata D’Alpino Peixoto Riad Naim Younes 2020World Journal of Gastrointestinal Oncology2020,12,8:8
17What have we learned about the kallikrein-kinin and renin-angiotensin systems in neurological disorders?显示文摘The kallikrein-kinin system(KKS) is an intricate endogenous pathway involved in several physiological and pathological cascades in the brain. Due to the pathological effects of kinins in blood vessels and tissues, their formation and degradation are tightly controlled. Their components have been related to several central nervous system diseases such as stroke, Alzheimer's disease, Parkinson's disease, multiple sclerosis, epilepsy and others. Bradykinin and its receptors(B1R and B2R) may have a role in the pathophysiology of certain central nervous system diseases. It has been suggested that kinin B1R is up-regulated in pathological conditions and has a neurodegenerative pattern, while kinin B2R is constitutive and can act as a neuroprotective factor in many neurological conditions. The renin angiotensin system(RAS) is an important blood pressure regulator and controls both sodium and water intake. AngⅡ is a potent vasoconstrictor molecule and angiotensin converting enzyme is the major enzyme responsible for its release. AngⅡ acts mainly on the AT1 receptor, with involvement in several systemic and neurological disorders. Brain RAS has been associated with physiological pathways, but is also associated with brain disorders. This review describes topics relating to the involvement of both systems in several forms of brain dysfunction and indicates components of the KKS and RAS that have been used as targets in several pharmacological approaches.Maria da Graa Naffah-Mazzacoratti Telma Luciana Furtado Gouveia Priscila Santos Rodrigues Simōes Sandra Regina Perosa 2014World Journal of Biological Chemistry2014,5,2:7
18Mercury in aquatic fauna contamination:A systematic review on its dynamics and potential health risks显示文摘Mercury is an important pollutant,released into aquatic ecosystems both naturally and by anthropogenic action.This element is transferred to aquatic organisms in different ways,causing potential health risks.In addition,mercury can be accumulated by humans,especially through the consumption of contaminated food.This systematic review aims to present mercury pathways,the major routes through which this element reaches the aquatic environment and its transformations until becoming available to living animals,leading to bioaccumulation and biomagnification phenomena.The key biotic and abiotic factors affecting such processes,the impact of mercury on animal and human health and the issue of seafood consumption as a source of chronic mercury contamination are also addressed.A total of 101 articles were retrieved from a standardized search on three databases(PubMed,Emabse,and Web of Science),in addition to 28 other studies not found on these databases but considered fundamental to this review(totaling 129 articles).Both biotic and abiotic factors display fundamental importance in mediating mercurial dynamics,i.e.,muscle tropism,and salinity,respectively.Consequently,mercurial contamination in aquatic environments affects animal health,especially the risk of extinction species and also on human health,with methylmercury the main mercury species responsible for acute and chronic symptomatology.Paloma de Almeida Rodrigues Rafaela Gomes Ferrari Luciano Neves dos Santos Carlos Adam Conte Junior 2019Journal of Environmental Sciences2019,31,10:6
19Chromium Adsorption in Different Mineralogical Fractions from Subtropical Soils显示文摘Safe application of chromium(Cr)-containing organic industrial wastes to soil requires considering the ability of the soil to adsorb Cr.In this study,the maximum Cr adsorption capacity was assessed for the bulk samples and their clay and iron-free clay fractions of four subtropical soils differing in mineralogy.To this end,the samples were supplied with Cr(III) nitrate solutions at pH 4.5 or5.5.The results of Cr(III) adsorption fitted to a Freundlich equation and the adsorption capacity was positively correlated with soil organic matter and iron oxide contents.The clay fractions adsorbed more Cr per unit mass than the bulk soils and the iron-free clay fractions.The Cr(III) adsorption capacity increased with increasing soil pH due to more charges on adsorbing surfaces.Our results suggest that the soils rich in organic matter and iron oxides and having a pH above 4.5 are suitable for application of Cr(III)-loaded industrial wastes.Jovana BAVARESCO Jesse R. FINK Maria Lucia K. RODRIGUES Clesio GIANELLO Vidal BARRON Jose TORRENT 2017Pedosphere2017,27,1:6
20血浆游离DNA水平增高可作为预测重型颅脑损伤患者死亡率的独立指标(英文)显示文摘Trauma is the leading cause of death under 45 years worldwide and up to 50% of trauma fatalities are due to brain injury.Prediction of outcome is one of the major problems associated with severe TBI and research efforts have focused on the investigation of biomarkers with prognostic value following TBI. Therefore,our aim was to investigate whether cell-free DNA concentrations correlated to short-term primary outcome( survivor or death) and GCS scores following severe TBI. A total of 188 victims of severe TBI were enrolled in this prospective study,outcome variables comprised: survival and neurological assessment using the GCS at ICU discharge. Control blood samples were obtained from 25 healthy volunteers. Peripheral venous blood was collected at admission in the ICU. Plasma DNA was measured using a real-time quantitative PCR assay for the β-globin gene. There was correlation between higher DNA levels and both fatal outcome and lower hospital admission GCS scores. Plasma DNA concentrations at the chosen cut- off point( ≥171,381 kilogenomesequivalents /L) predicted mortality with a specificity of 90% and a sensitivity of 43%. Logistic regression analysis showed that elevated plasma DNA levels were independently associated with death( P < 0. 001). In conclusion,high cell-free DNA concentration was a predictor of short-term mortality following severe TBI.Rodrigues Filho EM1 Simon D Ikuta N Klovan C Dannebrock F de Oliveira CO Regner A 2014中华神经外科疾病研究杂志2014,13,3:6
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