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Evaluation of the Eta Simulations Nested in Three Global Climate Models

American Journal of Climate Change 2014年第5期3卷 438-454页

作者： Sin Chan Chou André Lyra Caroline Mourao Claudine Dereczynski Isabel Pilotto Jorge Gomes Josiane Bustamante Priscila Tavares Adan Silva Daniela Rodrigues Diego Campos Diego Chagas gustavo Sueiro Gracielle Siqueira paulo Nobre José Marengo National Institute for Space Research Cachoeira PaulistaBrazil Department of Meteorology Federal University of Rio de JaneiroRio de JaneiroBrazil Centre for Monitoring and Warning of Natural Disasters Cachoeira PaulistaBrazil

To provide long-term simulations of climate change at higher resolution, Regional Climate Models (RCMs) are nested in global climate models (GCMs). The objective of this work is to evaluate the Eta RCM simulations driven by three global models, the HadGEM2-ES, BESM, and MIROC5, for the present period, 1961-1990. The RCM domain covers South America, Central America, and Caribbean. These simulations will be used for assessment of climate change projections in the region. Maximum temperatures are generally underestimated in the domain, in particular by MIROC5 driven simulations, in summer and winter seasons. Larger spread among the simulations was found in the minimum temperatures, which showed mixed signs of errors. The spatial correlations of temperature simulations against the CRU observations show better agreement for the MIROC5 driven simulations. The nested simulations underestimate precipitation in large areas over the continent in austral summer, whereas in winter overestimate occurs in southern Amazonia, and underestimate in southern Brazil and eastern coast of Northeast Brazil. The annual cycle of the near-surface temperature is underestimated in all model simulations, in all regions in Brazil, and in most of the year. The temperature and precipitation frequency distributions reveal that the RCM and GCM simulations contain more extreme values than the CRU observations. Evaluations of the climatic extreme indicators show that in general hot days, warm nights, and heat waves are increasing in the period, in agreement with observations. The Eta simulations driven by HadGEM2-ES show wet trends in the period, whereas the Eta driven by BESM and by MIROC5 show trends for drier conditions.

关键词： South America Climate Downscaling Model Evaluation Climatic Extreme Indicators Eta Model

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Artemisia vulgaris Induces Tumor-Selective Ferroptosis and Necroptosis via Lysosomal Ca^(2+) Signaling

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Chinese Journal of Integrative Medicine 2024年第6期30卷 525-533页

作者： Lucas dos Santos Zamarioli Michele Rosana Maia Santos Adolfo Garcia Erustes Vanessa Marques Meccatti Thais Cristine Pereira Soraya S Smaili Maria Cristina Marcucci Carlos Rocha Oliveira gustavo JS Pereira Claudia Bincoletto Department of Pharmacology Paulista School of MedicineFederal University of São PauloSão PauloSP04044-020Brazil Research Group on Phytocomplexes and Cell Signaling School of Health SciencesAnhembi Morumbi UniversitySão PauloSP03164-000Brazil Department of Biosciences and Oral Diagnosis Institute of Science and TechnologySão Paulo State University(ICT-UNESP)São PauloSP12231-280Brazil

Objective To evaluate the chemical composition and effects of Artemisia vulgaris(AV)hydroalcoholic extract(HEAV)on breast cancer cells(MCF-7 and SKBR-3),chronic myeloid leukemia(K562)and NIH/3T3 *** Phytochemical analysis of HEAV was done by high-performance liquid chromatography-mass(HPLC)*** and cell death studies were performed using trypan blue and Annexin/FITC-7AAD,***-1(Fer-1)and necrostatin-1(Nec-1)were used to assess the mode of HEAV-induced cell death and acetoxymethylester(BAPTA-AM)was used to verify the involvement of cytosolic calcium in this *** calcium measurements were made using *** HEAV decreased the viability of MCF-7,SKBR-3 and K562 cells(P<0.05).The viability of HEAV-treated K562 cells was reduced compared to HEAV-exposed fibroblasts(P<0.05).Treatment of K562 cells with HEAV induced cell death primarily by late apoptosis and necrosis in assays using annexin V-FITC/7-AAD(P<0.05).The use of Nec-1 and Fer-1 increased the viability of K562 cells treated with HEAV relative to cells exposed to HEAV alone(P<0.01).HEAV-induced Ca^(2+)release mainly from lysosomes in K562 cells(P<0.01).Furthermore,BAPTA-AM,an intracellular Ca^(2+)chelator,decreased the number of non-viable cells treated with HEAV(P<0.05).Conclusions HEAV is cytotoxic and activates several modalities of cell death,which are partially dependent on lysosomal release of Ca^(2+).These effects may be related to artemisinin and caffeoylquinic acids,the main compounds identified in HEAV.

关键词： Artemisia vulgaris necroptosis ferroptosis late apoptosis Ca^(2+)signaling

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A large epeiric methanogenic Bambuí sea in the core of Gondwana supercontinent?

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Geoscience Frontiers 2021年第1期12卷 203-218页

作者： Sergio Caetano-Filho Pierre Sansjofre Magali Ader gustavo M.Paula-Santos Cristian Guacaneme Marly Babinski Carolina Bedoya-Rueda Matheus Kuchenbecker Humberto L.S.Reis Ricardo I.F.Trindade Universidade de Sao paulo Instituto de GeocienciasRua do Lago562-Sao Paulo05508-080Brazil MNHN Sorbonne UniversiteCNRS UMR 7590Institut de Mineralogiede Physique des Materiaux et de Cosmochimie75005ParisFrance Universite de Paris Institut de Physique du Globe de ParisCNRSF-75005ParisFrance Universidade Estadual de Campinas Instituto de GeocienciasRua Carlos Gomes250-Campinas13083-855Brazil Universidade Federal dos Vales do Jequitinhonha e Mucuri Instituto de Ciencia e TecnologiaLaboratorio de Estudos TectonicosRodovia MGT 367Km 583-Diamantina39100-000Brazil Universidade Federal de Ouro Preto Departamento de Geologia-Escola de MinasLaboratiorio de Modelagem TectonicaCampus Morro do Cruzeiro-Ouro Preto35400-000Brazil Universidade de Sao paulo Instituto de AstronomiaGeofísica e Ciencias AtmosfericasRua do Matao1226-Sao Paulo05508-090Brazil

Carbon isotope compositions of both sedimentary carbonate and organic matter can be used as key proxies of the global carbon cycle and of its evolution through time,as long as they are acquired from waters where the dissolved inorganic carbon(DIC)is in isotope equilibrium with the atmospheric ***,in shallow water platforms and epeiric settings,the influence of local to regional parameters on carbon cycling may lead to DIG isotope variations unrelated to the global carbon *** may be especially true for the terminal Neoproterozoic,when Gondwana assembly isolated waters masses from the global ocean,and extreme positive and negative carbon isotope excursions are recorded,potentially decoupled from global *** improve our understanding on the type of information recorded by these excursions,we investigate the pairedδ^13Ccarb andδ^13Corg evolution for an increasingly restricted late Ediacaran-Cambrian foreland system in the West Gondwana interior:the basal Bambui *** succession represents a 1~(st)-order sedimentary sequence and records two majorδ^13Ccarb excursions in its two lowermost lower-rank *** basal cap carbonate interval at the base of the first sequence,deposited when the basin was connected to the ocean,hosts antithetical negative and positive excursions forδ^13Ccarb andδ^13Corg,respectively,resulting inΔ^13C values lower than 25‰.From the top of the basal sequence upwards,an extremely positiveδ^13Ccarb excursion is coupled toδ^13Corg,reaching values of+14‰and-14‰,*** positive excursion represents a remarkable basin-wide carbon isotope feature of the Bambui Group that occurs with only minor changes inΔ^13C values,suggesting change in the DIC isotope *** argue that this regional isotopic excursion is related to a disconnection between the intrabasinal and the global carbon *** extreme carbon isotope excursion may have been a product of a disequilibria between the basin DIC and atmospheric CO2

关键词： Methanogenesis Ediacaran Cambrian Carbon isotopes Sao Francisco Basin Bambui Group

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Relationship between Fusobacterium nucleatum,inflammatory mediators and microRNAs in colorectal carcinogenesis

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World Journal of Gastroenterology 2018年第47期24卷 5351-5365页

作者： Marcela Alcantara Proenca Joice Matos Biselli Maysa Succi Fábio Eduardo Severino gustavo Noriz Berardinelli Alaor Caetano Rui Manuel Reis David J Hughes Ana Elizabete Silva Department of Biology UNESPUniv. Estadual PaulistaCampus of Sao Jose do Rio PretoSao Jose do Rio PretoSao Paulo 15054-000Brazil Department of Surgery and Orthopedics Faculty of MedicineUNESPUniv. Estadual PaulistaCampus of BotucatuBotucatuSao Paulo 18618-687Brazil Endoscopy Center of Rio Preto Sao Jose do Rio PretoSao Paulo 15015-700Brazil Molecular Oncology Research Center Barretos Cancer HospitalBarretosSao Paulo 14784-400Brazil Life and Health Sciences Research Institute University of MinhoCampus GualtarBraga 4710-057Portugal ICVS/3B’s-PT Government Associate Laboratory Campus GualtarBraga 4710-057Portugal Cancer Biology and Therapeutics Group UCD Conway InstituteUniversity College DublinDublin D04 V1W8Ireland

AIM To examine the effect of Fusobacterium nucleatum(F. nucleatum) on the microenvironment of colonic neoplasms and the expression of inflammatory mediators and microRNAs(miRNAs).METHODS Levels of F. nucleatum DNA, cytokine gene mRNA(TLR2, TLR4, NFKB1, TNF, IL1 B, IL6 and IL8), and potentially interacting miRNAs(miR-21-3p, miR-22-3p, mi R-28-5p, miR-34a-5p, miR-135b-5p) were measured by quantitative polymerase chain reaction(qPCR) TaqMan? assays in DNA and/or RNA extracted from the disease and adjacent normal fresh tissues of 27 colorectal adenoma(CRA) and 43 colorectal cancer(CRC) patients. KRAS mutations were detected by direct sequencing and microsatellite instability(MSI) status by multiplex PCR. Cytoscape v3.1.1 was used to construct the postulated miRNA:mRNA interaction *** Overabundance of F. nucleatum in neoplastic tissue compared to matched normal tissue was detected in CRA(51.8%) and more markedly in CRC(72.1%). We observed significantly greater expression of TLR4, IL1 B, IL8, and miR-135 b in CRA lesions and TLR2, IL1 B, IL6, IL8, mi R-34 a and miR-135 b in CRC tumours compared to their respective normal tissues. Only two transcripts for miR-22 and miR-28 were exclusively downregulated in CRC tumour samples. The mRNA expression of IL1 B, IL6, IL8 and miR-22 was positively correlated with F. nucleatum quantification in CRC tumours. The mRNA expression of miR-135 b and TNF was inversely correlated. The miRNA:mRNA interaction network suggested that the upregulation of miR-34 a in CRC proceeds via a TLR2/TLR4-dependent response to F. nucleatum. Finally, KRAS mutations were more frequently observed in CRC samples infected with F. nucleatum and were associated with greater expression of miR-21 in CRA, while IL8 was upregulated in MSI-high *** Our findings indicate that F. nucleatum is a risk factor for CRC by increasing the expression of inflammatory mediators through a possible mi RNA-mediated activation of TLR2/TLR4.

关键词： Colorectal cancer Colorectal adenoma Fusobacterium nucleatum Inflammation Cytokines MicroRNAs

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Implementation of a High-Risk Outpatient Clinic for Children with Complex Congenital Heart Disease in a Reference Service in Brazil

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Congenital Heart Disease 2023年第6期18卷 649-656页

作者： gustavo Foronda Vanessa Ferreira Amorim de Melo Claudia Regina Pinheiro de Castro Grau Ingrid Magatti Piva Glaucia Maria Penha Tavares Ana Cristina Sayuri Tanaka Nana Miura Department of Pediatric Cardiology and Adult Congenital Heart Diseases Heart Institute of the University of São PauloSão PauloBrazil Foronda Clinic São PauloBrazil Institute of Orthopedics and Traumatology University of São PauloSão PauloBrazil Department of Echocardiography Heart Institute of the University of São PauloSão PauloBrazil

Background:Children with congenital heart disease(CHD),even after surgical approaches,and especially those who undergo staged procedures in theﬁrst months of life,remain vulnerable to readmissions and complications,requiring very close monitoring and differentiated intervention ***:Descriptive and exploratory study,of the experience report type,which presents the process of building the high-risk outpatient clinic for complex congenital heart diseases(AAR)at the Instituto do Coração(InCor).Results:Report of the path taken to structure the AAR,demonstrating the organization,interface with the multidisciplinary team,admission and discharge criteria,training,and patient proﬁ*** theseﬁve years of care,275 patients were treated,59.65%with biventricular interstage physiology,followed by univentricular interstage physiology(34.55%),residual defects after surgical procedures(3.63%),tumors with risk of mechanical obstruction(1.45%)and patients with an intrauterine approach(0.72%).The signiﬁcant number of critical patients who were successfully discharged from hospital(44.72%),the low mortality rate due to sudden deaths at home and the high adherence to follow-up cor-roborate the impact of this specialized ***:Despite the limitations of the study,this experi-ence report showed that with few resources,there is the possibility of organizing an AAR with differentiated care,with the objective of early detection and treatment of residual injuries,identiﬁcation of early interventions,edu-cation of parents for follow-up of their children,resulting in individualized treatment,promoting a better quality of life for this population.

关键词： Congenital heart defects ambulatory care heart defects

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A Notation to Support Exploring Collaboration in Design Teams

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Journal of Civil Engineering and Architecture 2020年第12期14卷 644-657页

作者： Gil Garcia de Barros Luiz gustavo Bertocchi Alves da Silva School of Architecture and Urban Design University of Sao Paulo(FAUUSP)Rua do Lago876Sao PauloSP 05508-080Brazil

Collaboration in large projects is a major challenge for contemporary architectural practice and this paper presents a notation for describing and analyzing how these collaborations can take *** on an extensive literature review some opportunities were found for the development of a notation that combined three particular aspects:network diagrams,Euler diagrams and a model from architectural *** exploratory case study was conducted based on the collaboration during a complex architectural project,which combined three approaches:document analysis,semi-structured interviews with key stakeholders and a comparison of the documents with results from the *** notation demonstrated to be suitable for two purposes:to improve the understanding of particular design events and as support material for presenting and exploring *** indicate that the notation was suitable,comprehensible and flexible,and it demonstrated good value when used in speculative ways,such as an intermediary design artifact that supports discussion and improvements in the collaboration process,which indicates promising future *** can also be argued that,similar to a sketch,the notation can also support the process of planning and“designing”the interaction between teams in design fields and even in other project-based organizations.

关键词： Architectural design collaboration in design design methods design artifacts design cognition design tools visualization techniques

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Effects of Silver Addition in Zinc Oxide Nanoparticles on Films of HMSPP/SEBS against Staphylococcus aureus and Escherichia coli Contamination

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材料科学与工程（中英文B版） 2022年第3期12卷 108-116页

作者： Luiz gustavo Hiroki Komatsu Giuseppe Montuori Cajado Duclerc Fernandes Parra Nuclear and Energy Research Institute IPEN-CNEN/SPAv.Prof Lineu Prestes2242Cidade UniversitáriaCEP 05508-000São PauloSPBrazil

In this research we decided to analyze the addition of silver(Ag°)on zinc oxide(ZnO)utilizing two nanoparticles:the synthesized zinc oxide-doped-silver nanoparticles(ZnO/Ag_Lab)utilizing the zinc nitrate as metal precursor for ZnO and silver nitrate as metal precursor for Ag°;and the commercial nanoparticle ZnO/*** the study of application of the nanoparticles,they were processed in the form of films and the polymer utilized was the blend of HMSPP(high melt strength polypropylene)and styrene-ethylene/*** the study of nanoparticles,they were submitted to biocide tests against Staphylococcus aureus(ATCC 6538)and Escherichia coli(ATCC8739)and XRD(X-Ray Diffraction).The XRD analysis results indicated,in both of nanoparticles,with the presence of wurtzite phase of ZnO,being that on the commercial nanoparticles the intensity of peak was higher than that of synthesized one,on other hand,the peaks attributed to Ag°,were more intense in the synthesized nanoparticle.

关键词： Nanoparticles Biocide Actvity ZnO/Ag

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Role of sex hormones in gastrointestinal motility in pregnant and non-pregnant rats

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World Journal of Gastroenterology 2016年第25期22卷 5761-5768页

作者： Juliana Fernandes Matos Madileine Francely Americo Yuri Karen Sinzato gustavo Tadeu Volpato Luciana Aparecida Corá Marcos Felipe Freitas Calabresi Ricardo Brandt Oliveira Debora Cristina Damasceno Jose Ricardo Arruda Miranda Sao paulo State University BotucatuSP 18618-970Brazil Instituto de Ciencias Biologicas e da Saude Federal University of Mato GrossoBarra do GarcasMT 78600-000Brazil Universidade Estadual de Ciencias da Saude de Alagoas MaceioAL 57010-300Brazil Sao paulo University Ribeirao PretoSP 14049-900Brazil

AIM: To correlate gastric contractility, gastrointestinal transit, and hormone levels in non-pregnant(estrous cycle) and pregnant rats using noninvasive techniques. METHODS: Female rats(n = 23) were randomly divided into(1) non-pregnant,(contractility, n =6; transit, n = 6); and(2) pregnant(contractility, n = 5; transit, n = 6). In each estrous cycle phase or at 0, 7, 14, and 20 d after the confirmation of pregnancy, gastrointestinal transit was recorded by AC biosusceptometry(ACB), and gastric contractility was recorded by ACB and electromyography. After each recording, blood samples were obtained for progesterone and estradiol determination. RESULTS: In the estrous cycle, despite fluctuations of sex hormone levels, no significant changes in gastrointestinal motility were observed. Days 7 and 14 of pregnancy were characterized by significant changes in the frequency of contractions(3.90 ± 0.42 cpm and 3.60 ± 0.36 cpm vs 4.33 ± 0.25 cpm) and gastric emptying(168 ± 17 min and 165 ± 15 min vs 113 ± 15 min) compared with day 0. On these same days, progesterone levels significantly increased compared with control(54.23 ± 15.14 ng/m L and 129.96 ± 30.52 ng/mL vs 13.25 ± 6.31 ng/mL). On day 14, we observed the highest level of progesterone and the lowest level of estradiol compared with day 0(44.3 ± 15.18 pg/mL vs 24.96 ± 5.96 pg/mL). CONCLUSION: Gastrointestinal motility was unaffected by the estrous cycle. In our data, high progesterone and low estradiol levels can be associated with decreased contraction frequency and slow gastric emptying.

关键词： Reproductive physiological process Sex hormones Gastrointestinal motility Magnetic fields Gastric emptying

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Comparison between endoscopic sphincterotomy vs endoscopic sphincterotomy associated with balloon dilation for removal of bile duct stones:A systematic review and meta-analysis based on randomized controlled trials

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World Journal of Gastrointestinal Endoscopy 2018年第8期10卷 130-144页

作者： Cesar Capel de Clemente Junior Wanderley Marques Bernardo Tomazo Prince Franzini gustavo Oliveira Luz Marcos Eduardo Lera dos Santos Jonah Maxwell Cohen Diogo Turiani Hourneaux de Moura Fábio Ramalho Tavares Marinho Martin Coronel paulo Sakai Eduardo Guimaraes Hourneaux de Moura Gastrointestinal Endoscopy Unit Department of GastroenterologyUniversity of Sao Paulo Medical SchoolSao Paulo 05403-010Brazil Beth Israel Deaconess Medical Center Harvard Medical SchoolBostonMA 02215United States

AIM To compare gallstones removal rate and incidence of bleeding, pancreatitis, use of mechanical lithotripsy, cholangitis and perforation between isolated sphincterotomy vs sphincterotomy associated with balloon dilation of papilla in choledocholithiasis through the meta-analysis of randomized clinical trials. METHODS We conducted a systematic review according to the PRISMA guidelines. Literature search was restricted to randomized controlled trials(RCTs) on Med Line, Cochrane Library, LILACS, and EMBASE database platforms in July 2017. The manual search included references of retrieved articles. We extracted data focusing on outcomes: The primary endpoint was the stones removal rate; Secondary endpoints were rates of pancreatitis, bleeding, use of mechanical lithotripsy(ML), perforation and cholangitis. RESULTS Eleven RCTs with 1824 patients were included. EST was associated with more post-endoscopic retrograde cholangiopancreatography(ERCP) bleeding [FE RD-0.02, CI(-0.03,-0.00), I2 = 33%, P = 0.05] and more need of mechanical lithotripsy in general [RE RD-0.16, CI(-0.25,-0.06), I2 = 90%, P = 0.002] and in subgroup analysis of stones greater than 15 mm [RE RD-0.20, CI(-0.38,-0.02), I2 = 82%, P = 0.003]. Incidence of pancreatitis [FE RD-0.01, CI(-0.03, 0.01), I2 = 0, P = 0.36], cholangitis [FE RD-0.00, CI(-0.01, 0.01), I2 =0, P = 0.97] and perforation [FE RD-0.01, CI(-0.01, 0.00), I2 = 0, P = 0.23] was similar between the groups as well as similar stone removal rates in general [FE RD-0.01, CI(-0.01, 0.04), I2 = 0, P = 0.23] and pooled analysis of stones greater than 15 mm [FE RD-0.02, CI(-0.02, 0.07), I2 = 11%, P = 0.31]. CONCLUSION Through meta-analysis of randomized clinical trials we found that isolated sphincterotomy was associated with more post-ERCP bleeding and more need for mechanical lithotripsy. However, there was no statistical difference in the stone removal rate between isolated sphincterotomy and sphincterotomy associated with balloon dilation in the

关键词： Sphincterotomy Papillotomy Dilation Cholangiopancreatography Endoscopic retrograde Endoscopic retrograde cholangiopancreatography Cholangiography

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Computational Tools to Support Ethanol Pipeline Network Design Decisions

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American Journal of Operations Research 2013年第1期3卷 1-16页

作者： gustavo Dias da Silva Virgílio José Martins Ferreira Filho Laura Bahiense gustavo Dias da Silva Production Engineering Program Federal University of Rio de Janeiro Rio de Janeiro Brazil

This paper considers the pipeline network design problem (PND) in ethanol transportation, with a view to providing robust and efficient computational tools to assist decision makers in evaluating the technical and economic feasibility of ethanol pipeline network designs. Such tools must be able to address major design decisions and technical characteristics, and estimate network construction and operation costs to any time horizon. The specific context in which the study was conducted was the ethanol industry in Sao paulo. Five instances were constructed using pseudo-real data to test the methodologies developed.

关键词： Ethanol Pipelines Network Design Mathematical Programming

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