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| 1 | Biomarkers and subtypes of deranged lipid metabolism in nonalcoholic fatty liver disease显示文摘Nonalcoholic fatty liver disease(NAFLD)is a heterogeneous and complex disease that is imprecisely diagnosed by liver biopsy.NAFLD covers a spectrum that ranges from simple steatosis,nonalcoholic steatohepatitis(NASH)with varying degrees of fibrosis,to cirrhosis,which is a major risk factor for hepatocellular carcinoma.Lifestyle and eating habit changes during the last century have made NAFLD the most common liver disease linked to obesity,type 2 diabetes mellitus and dyslipidemia,with a global prevalence of 25%.NAFLD arises when the uptake of fatty acids(FA)and triglycerides(TG)from circulation and de novo lipogenesis saturate the rate of FAβ-oxidation and verylow density lipoprotein(VLDL)-TG export.Deranged lipid metabolism is also associated with NAFLD progression from steatosis to NASH,and therefore,alterations in liver and serum lipidomic signatures are good indicators of the disease’s development and progression.This review focuses on the importance of the classification of NAFLD patients into different subtypes,corresponding to the main alteration(s)in the major pathways that regulate FA homeostasis leading,in each case,to the initiation and progression of NASH.This concept also supports the targeted intervention as a key approach to maximize therapeutic efficacy and opens the door to the development of precise NASH treatments. | José M Mato Cristina Alonso Mazen Noureddin Shelly C Lu | 2019 | World Journal of Gastroenterology2019，25，24： | 19 |
| 2 | Pancreatic ductal system obstruction and acute recurrent pancreatitis显示文摘Acute recurrent pancreatitis is a clinical entity largely associated with pancreatic ductal obstruction. This latter includes congenital variants, of which pancreas divisum is the most frequent but also controversial, chronic pancreatitis, tumors of the pancreaticobiliary junction and sphincter of Oddi dysfunction. This review summarizes current knowledge about diagnostic work-up and therapy of these conditions. | M Delhaye C Matos M Arvanitakis J Devière | 2008 | World Journal of Gastroenterology2008，14，7： | 12 |
| 3 | Methionine adenosyltransferases in liver cancer显示文摘Methionine adenosyltransferases(MATs)are essential enzymes for life as they produce S-adenosylmethionine(SAMe),the biological methyl donor required for a plethora of reactions within the cell.Mammalian systems express two genes,MAT1A and MAT2A,which encode for MATα1 and MATα2,the catalytic subunits of the MAT isoenzymes,respectively.A third gene MAT2B,encodes a regulatory subunit known as MATβwhich controls the activity of MATα2.MAT1A,which is mainly expressed in hepatocytes,maintains the differentiated state of these cells,whilst MAT2A and MAT2B are expressed in extrahepatic tissues as well as non-parenchymal cells of the liver(e.g.,hepatic stellate and Kupffer cells).The biosynthesis of SAMe is impaired in patients with chronic liver disease and liver cancer due to decreased expression and inactivation of MATα1.A switch from MAT1A to MAT2A/MAT2B occurs in multiple liver diseases and during liver growth and dedifferentiation,but this change in the expression pattern of MATs results in reduced hepatic SAMe level.Decades of study have utilized the Mat1a-knockout(KO)mouse that spontaneously develops non-alcoholic steatohepatitis(NASH)and hepatocellular carcinoma(HCC)to elucidate a variety of mechanisms by which MAT proteins dysregulation contributes to liver carcinogenesis.An increasing volume of work indicates that MATs have SAMe-independent functions,distinct interactomes and multiple subcellular localizations.Here we aim to provide an overview of MAT biology including genes,isoenzymes and their regulation to provide the context for understanding consequences of their dysregulation.We will highlight recent breakthroughs in the field and underscore the importance of MAT’s in liver tumorigenesis as well as their potential as targets for cancer therapy. | Ben Murray Lucia Barbier-Torres Wei Fan JoséM Mato Shelly C Lu | 2019 | World Journal of Gastroenterology2019，25，31： | 10 |
| 4 | Is autoimmune hepatitis a frequent finding among HCV patients with intense interface hepatitis?显示文摘AIM:To evaluate the overlap of autoimmune hepatitis in hepatitis C virus(HCV)-infected patients with intense interface hepatitis.METHODS:Among 1759 patients with hepatitis C submitted to liver biopsy,92(5.2%) presented intense interface hepatitis.These patients were evaluated regarding the presence of antinuclear antibody(ANA),anti-smooth muscle antibody(SMA) and anti-liver/kidney microsomal antibody(LKM-1),levels of γ-globulin and histological findings related to autoimmune hepatitis(plasma cell infiltrate and presence of rosettes).RESULTS:Among patients with hepatitis C and intense interface hepatitis there was a low prevalence of autoantibodies(ANA=12%,SMA=5%,LKM-1=0%) and the median γ-globulin level was within the normal range.Typical histological findings of autoimmune disease were observed in only two cases(2%).After applying the score for diagnosis of autoimmune hepatitis,only one patient was classified with a definitive diagnosis of autoimmune hepatitis.Since overlap with autoimmune hepatitis was not the explanation for the intense necroinflammatory activity in patients with chronic hepatitis C we sought to identify the variables associated with this finding.The presence of intense interface hepatitis was associated with more advanced age,both at the time of infection and at the time of the biopsy,and higher prevalence of blood transfusion and alcohol abuse.CONCLUSION:Although possible,overlap with autoimmune hepatitis is a very rare association in HCV-infected patients with intense interface hepatitis,an unusual presentation which seems to be related to other host variables. | Rosilene G Badiani Vitória Becker Renata M Perez Carla AL Matos Lara B Lemos Valéria P Lanzoni Luis Eduardo C Andrade Alessandra Dellavance Antonio Eduardo B Silva Maria Lucia G Ferraz | 2010 | World Journal of Gastroenterology2010，16，29： | 7 |
| 5 | Focal liver lesions:Practical magnetic resonance imaging approach显示文摘With the widespread of cross-sectional imaging, a growth of incidentally detected focal liver lesions(FLL) has been observed. A reliable detection and characterization of FLL is critical for optimal patient management. Maximizing accuracy of imaging in the context of FLL is paramount in avoiding unnecessary biopsies, which may result in post-procedural complications. A tremendous development of new imaging techniques has taken place during these last years. Nowadays, Magnetic resonance imaging(MRI) plays a key role in management of liver lesions, using a radiation-free technique and a safe contrast agent profile. MRI plays a key role in the non-invasive correct characterization of FLL. MRI is capable of providing comprehensive and highly accurate diagnostic information, with the additional advantage of lack of harmful ionizing radiation. These properties make MRI the mainstay for the noninvasive evaluation of focal liver lesions. In this paper we review the state-of-the-art MRI liver protocol, briefly discussing different sequence types, the unique characteristics of imaging non-cooperative patients and discuss the role of hepatocyte-specific contrast agents. A review of the imaging features of the most common benign and malignant FLL is presented, supplemented by a schematic representation of a simplistic practical approach on MRI. | António P Matos Fernanda Velloni Miguel Ramalho Mamdoh AlObaidy Aruna Rajapaksha Richard C Semelka | 2015 | World Journal of Hepatology2015，7，16： | 6 |
| 6 | Definition of the Portuguese frameworks with international relevance as an input for the European geological heritage characterisation显示文摘 | J. Brilha C. Andrade A. Azeredo F.J.A.S. Barriga M. Cachāo2 H. Couto P.P. Cunha J.A. Crispim P. Dantas L. V. Duarte M. C Freitas H.M. Granja M.H. Henriques P. Henriques L. Lopes J. Madeira J.M.X. Matos F. Noronha J. Pais J. Pifarra M.M. Ramalho J.M.R.S. Relvas A. Ribeiro A. Santos V.F.Santos P. Terrinha | 2005 | Episodes2005，28，3： | 5 |
| 7 | Arachidyl amido cholanoic acid improves liver glucose and lipid homeostasis in nonalcoholic steatohepatitis via AMPK and mTOR regulation显示文摘BACKGROUND Arachidyl amido cholanoic acid(Aramchol)is a potent downregulator of hepatic stearoyl-CoA desaturase 1(SCD1)protein expression that reduces liver triglycerides and fibrosis in animal models of steatohepatitis.In a phase IIb clinical trial in patients with nonalcoholic steatohepatitis(NASH),52 wk of treatment with Aramchol reduced blood levels of glycated hemoglobin A1c,an indicator of glycemic control.AIM To assess lipid and glucose metabolism in mouse hepatocytes and in a NASH mouse model[induced with a 0.1%methionine and choline deficient diet(0.1MCD)]after treatment with Aramchol.METHODS Isolated primary mouse hepatocytes were incubated with 20μmol/L Aramchol or vehicle for 48 h.Subsequently,analyses were performed including Western blot,proteomics by mass spectrometry,and fluxomic analysis with 13C-uniformly labeled glucose.For the in vivo part of the study,male C57BL/6J mice were randomly fed a control or 0.1MCD for 4 wk and received 1 or 5 mg/kg/d Aramchol or vehicle by intragastric gavage for the last 2 wk.Liver metabolomics were assessed using ultra-high-performance liquid chromatography-time of flight-MS for the determination of glucose metabolism-related metabolites.RESULTS Combination of proteomics and Western blot analyses showed increased AMPK activity while the activity of nutrient sensor mTORC1 was decreased by Aramchol in hepatocytes.This translated into changes in the content of their downstream targets including proteins involved in fatty acid(FA)synthesis and oxidation[PACCα/β(S79),SCD1,CPT1A/B,HADHA,and HADHB],oxidative phosphorylation(NDUFA9,NDUFB11,NDUFS1,NDUFV1,ETFDH,and UQCRC2),tricarboxylic acid(TCA)cycle(MDH2,SUCLA2,and SUCLG2),and ribosome(P-p70S6K[T389]and P-S6[S235/S236]).Flux experiments with 13Cuniformely labeled glucose showed that TCA cycle cataplerosis was reduced by Aramchol in hepatocytes,as indicated by the increase in the number of rounds that malate remained in the TCA cycle.Finally,liver metabolomic analysis showed that glucose homeostasis was improved by Aramchol in 0.1MCD fed mice in a dose-dependent manner,showing normalization of glucose,G6P,F6P,UDP-glucose,and Rbl5P/Xyl5P.CONCLUSION Aramchol exerts its effect on glucose and lipid metabolism in NASH through activation of AMPK and inhibition of mTORC1,which in turn activate FAβ-oxidation and oxidative phosphorylation. | David Fernández-Ramos Fernando Lopitz-Otsoa Laura Delacruz-Villar Jon Bilbao Martina Pagano Laura Mosca Maider Bizkarguenaga Marina Serrano-Macia Mikel Azkargorta Marta Iruarrizaga-Lejarreta Jesús Sot Darya Tsvirkun Sebastiaan Martijn van Liempd Felix M Goni Cristina Alonso María Luz Martínez-Chantar Felix Elortza Liat Hayardeny Shelly C Lu JoséM Mato | 2020 | World Journal of Gastroenterology2020，26，34： | 5 |
| 8 | Peripheral and mesenteric serum levels of CEA and cytokeratins,staging and histopathological variables in colorectal adenocarcinoma显示文摘瞄准:为了评估在外设和 mes 伤寒浆液之间存在的差别,与颜色在病人 carcinoembryonic 铺平抗原(CEA ) 和 cytokeratins 表面的腺癌。方法:有颜色的 138 个病人表面的腺癌在在 1993 年 12 月和 2000 年 3 月之间的医院 Sao Paulo (UNIFESP-EPM 的外科的肠胃病学的纪律) 经历了外科的人,回顾地被分析。CEA 和 cytokeratin (TPA-M ) 之间的差别在外部血(P) 并且在 mes 伤寒血(M) 的层次被学习。协会在外设和 mes 伤寒层次和阶段和组织病理学说的变量(细胞分化,宏观的外观,肿瘤尺寸和淋巴、静脉的侵略的存在的度) 之间被调查。结果:差别在标记层次的数字价值被观察:CEA (M)(39.10 mg/L +/- 121.19 mg/L ) 对 CEA (P)(38.5 mg/L +/- 122.55 mg/L ) , P <
0.05;TPA-M (M)(325.06 U/L +/- 527.29 U/L ) 对 TPA-M (P)(279.48 U/L +/- 455.81 U/L ) , P <
0.01。mes 伤寒 CEA 层次在更先进的肿瘤是更高的(P <
0.01 ) ,在生长损害(34.44 mg/L +/- 93.07 mg/L )(P <
0.01 ) 并且与静脉的侵略(48.41 mg/L +/- 129.86 mg/L )(P <
0.05 ) 。外部 CEA 与更先进的阶段是更高的(P <
0.01 ) 并且在有静脉的侵略的损害(53.23 mg/L +/- 158.57 mg/L )(P <
0.05 ) 。病人表明了有更多的 TPA-M 层次预付肿瘤的伤寒、外部的增加的 mes (P <
0.01 并且 P <
0.01 ) 并且在非溃烂的损害[530.45 U/L +/- 997.46 U/L (P <
0.05 ) 并且 457.95 U/L +/- 811.36 U/L (P <
0.01 )] 。结论:肿瘤标记 CEA 和 cytokeratins 的 mes 伤寒层次比在这些的外部层次渲染表面的腺癌病人高。这些生物学的肿瘤标记的高水平与癌的传播的一个先进状态被联系。 | Ivan Gregório Ivankovics Luis César Fernandes Sarhan Sydeney Saad Delcio Matos | 2008 | World Journal of Gastroenterology2008，14，43： | 4 |
| 9 | Association of Helicobacter pylori infection and giardiasis: Results from a study of surrogate markers for fecal exposure among children显示文摘AIM: To investigate whether Helicobacter pylori (H pykori)infection is associated with hepatitis A virus (HAV) infection, presence of enteroparasites, and other surrogates of fecal exposure.METHODS: We conducted a cross-sectional study in 121 children consecutively admitted at a pediatric hospital inSalvador, Brazil.H pylori and HAV infection were identified by the presence of serum antibodies. Stool specimens were examined for the presence of ova and parasites. A structured questionnaire inquiring about sanitary conditions and life style was applied to each subject. RESULTS: Fifty-one of the 121 children (42.1%) werefound to be seropositive for H pylori, and 45 (37.2%) for HAV. The seroprevalence ofHpyloriand HAV both increased significantly with age. Cross-tabulation of data showed that 26 (21.5%) were seropositive and 51 (42.1%) were negative for bothHpyloriand HAV antibodies (χ2 = 7.18,OR = 2.8, CI 1.30-5.97). The age adjusted OR for an HAV-infected child being H pylori positive was 2.3 (CI1.02-5.03). The agreement between H pylori and HAVseropositivity was fair (κ = 0.24). After controlling for possible confounding, the variables remaining independently associated with seropositivity to H pyloriwere age,presence of Giardia lamblia in feces (OR = 3.2, 95%CI, 1.1-9.5) and poor garbage disposal quality (OR = 2.4,95%CI, 1.1-5.1).CONCLUSION: Our data suggest that H pylori infection is associated with surrogate markers of fecal exposure. Thus, we conclude that the fecal-oral route is relevant in the transmission of HP among children in an urban setting of a developing country. The association observed between G. lamblia and H pylori infection may have several explanations. Further studies to investigate this relationship are warranted. | Edson Duarte Moreira Jr Victor Bastos Nassri Rafaela Sousa Santos Junísia Ferraz Matos Wilson Andrade de Carvalho Célia Stolve Silvani Círia Santana e Sant'Ana | 2005 | World Journal of Gastroenterology2005，11，18： | 3 |
| 10 | Value of carcinoembryonic antigen and cytokeratins for the detection of recurrent disease following curative resection of colorectal cancer显示文摘瞄准:与颜色在病人为周期性的疾病的察觉评估 carcinoembryonic 抗原(CEA ) 和 cytokeratins 的手术后的连续试金的功效在激进的外科以后的表面的腺癌。方法:在 1993 和 2000 之间,有颜色的 120 个病人表面的腺癌在外科的肠胃病学的部门经历了激进的外科, Sao Paulo-Escola Paulista de Medicina 的联邦大学, Sao Paulo,巴西。周期的手术后的评估被 assaying 标记在外部浆液,结肠镜检查和成像检查执行。CEA 的存在与 72 U/L 阀值用 LIA 地席 TPA-M Prolifigen 方法与 5 microg/L 阀值,和 cytokeratins 用 Delfia 方法被检测。结果:在第一手术后的年里,没有周期性的疾病的病人有 CEA 的正常层次( 1.5 +/- 0.9 microg/L )并且单音的同种细胞的织物多肽 antigen-M ( TPA-M , 64.4 +/- 47.8 U/L ),当有复发的病人有 CEA 的高水平时( 6.9 +/- 9.8 microg/L , P <
0.01 )并且 TPA-M ( 192.2 +/- 328.8 U/L , P <
0.05 )。在第二手术后的年期间,没有肿瘤复发的病人有 CEA 的正常层次( 2.0 +/- 1.8 microg/L )并且 TPA-M ( 50.8 +/- 38.4 U/L ),当有复发的病人有 CEA 的高水平时( 66.3 +/- 130.8 microg/L , P <
0.01 )并且 TPA-M ( 442.7 +/- 652.8 U/L , P <
0.05 )。吝啬的后续时间是 22.3 瞬间。在 23 种情况中有复发。没有完成激进的切除,五个手术被动。在肿瘤标记层次的上升先于复发的鉴定:在七的 CEA (30%) 和在十一个个人(48%) 的 TPA-M。结论:由 CEA 和 cytokeratins 的连续试金的集中的后续允许颜色的早察觉表面的瘤复发。 | Luís C Fernandes Su B Kim Sarhan S Saad Delcio Matos | 2006 | World Journal of Gastroenterology2006，12，24： | 3 |
| 11 | Structural phase relations in perovskite-structured BiFeO_(3)-based multiferroic compounds显示文摘In this review,the state of the art in understanding the structural phase relations in perovskite-structured BiFeO_(3)-based polycrystalline solid solutions is presented and discussed.Issues about the close relation between the structural phase and overall physical properties of the reviewed systems are pointed out and discussed.It is shown that,by adjusting the structural symmetric arrangement,the ferroelectric and magnetic properties of BiFeO_(3)-based polycrystalline solid solutions can be tuned to find specific multifunctional applications.However,an intrinsic mechanism linking structural arrangement and physical properties cannot be identified,revealing that this subject still deserves further discussion and investigation. | Valdirlei Fernandes FREITAS Gustavo Sanguino DIAS Otávio Algusto PROTZEK Diogo Zampieri MONTANHER Igor Barbosa CATELLANI Daniel Matos SILVA Luiz Fernando CÓTICA Ivair Aparecido dos SANTOS | 2013 | Journal of Advanced Ceramics2013，2，2： | 2 |
| 12 | Antiherpetic activity of a sulfated polysaccharide from Agaricus brasiliensis mycelia显示文摘 | Francielle Tramontini Gomes de Sousa Cardozo Carla Maísa Camelini Alessandra Mascarello Márcio José Rossi Ricardo José Nunes Célia Regina Monte Barardi Margarida Matos de Mendon?a Cláudia Maria Oliveira Sim?es | 2011 | Antiviral Research2011，，1： | 2 |
| 13 | Hierarchical coordination in virtual enterprise infrastructure显示文摘 | Matos L M Afsamancsh H Lina C | 1999 | Journal of Intelligent and Robotic Systenm1999，26，1： | 2 |
| 14 | Improvements for mass-exchange networks design 显示文摘 | Castro P Matos H Fernandes M C | 1999 | Chemical Engineering Science1999，54，： | 1 |
| 15 | Pancreatic acinar cell carcinoma: a multi-institutional study 显示文摘 | Matos J M Schmidt C M Turrini O | 2009 | J Gastrointest Surg2009，13，8： | 1 |
| 16 | Validation of an immunoperoxidase monolayer assay for total anti-Vac- cinia virus antibody titration 显示文摘 | Gerber P F Matos A C Guedes M I | 2012 | J Vet Diagn Invest2012，24，2： | 1 |
| 17 | Endoscopic management of chronic pancreatitis 显示文摘 | Delhaye M Matos C Deviere J | 2003 | Gastrointest Endose Clin N Am2003，13，4： | 1 |
| 18 | Removal of inorganic charged micro-pollutants in an ion-exchange membrane bioreactor 显示文摘 | Velizarov S Matos C Reis M A M | 2005 | Desalination2005，178，13： | 1 |
| 19 | Surface nano-aggregation and photocatalytic activity of Ti O2onH-type activated carbons显示文摘 | Cordero T Chovelon J M Duchamp C Ferronato C Matos J | 2007 | Applied Catalysis B:Environmental2007，73，22： | 1 |
| 20 | Modified Microelectrodes and Multivariate Calibration for Flow Injection Amperometric Simultaneous Determination of Ascorbic Acid, Dopamine, Epinephrine and Dipyrone 显示文摘 | Matos R C Angnes L Araujo M C U | 2000 | Analyst2000，125，： | 1 |
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