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| 1 | Plasma betatrophin levels in patients with liver cirrhosis显示文摘AIM: To investigate the plasma levels of betatrophin in patients with cirrhosis.METHODS: Forty patients diagnosed at the clinic with liver cirrhosis according to biological, ultrasonographic,or histological criteria were included.The severity of cirrhosis was classified according to Pugh's modification of Child's classification and MELD score. Insulin resistance(IR) was assessed by the Homeostasis Model Assessment. A total of 20 patients showed a MELD score higher than 14. The control group consisted in 15 sex-and aged-matched subjects.Fasting blood samples were obtained for subsequent analysis. Serum insulin was determined by Liaison automated immune chemiluminiscence assay(DiaSorin S.p.A.) using a sandwich assay. The sensitivity of the assay was 0.2 μU/mL. The intra and interassay variation coefficients were < 4% and < 10%,respectively. The normal values were between 2 and17 μU/mL. Human active betatrophin was analyzed by specific quantitative sandwich ELISA(Aviscera Bioscience). The sensitivity of the assay was 0.4 ng/mL, and the intra and interassay reproducibility were< 6% and < 10%, respectively.RESULTS: Plasma betatrophin levels were significantly increased in patients with cirrhosis compared with those in healthy subjects(P = 0.0001). Betatrophin levels were also associated with disease severity, being higher in Child-Pugh C patients compared to Child-Pugh B(P< 0.0005) and in patients who displayed a MELD score higher than 14 points compared to patients with lower punctuation(P = 0.01). In addition, we found a positive correlation between plasma betatrophin levels and the severity of cirrhosis according to Child-Pugh classification(r = 0.53; P < 0.01) or MELD score(r = 0.45; P <0.01). In the overall cohort, a moderate correlation between serum betatrophin and plasmatic bilirrubin(r= 0.39; P < 0.01) has been observed, as well as an inverse correlation between betatrophin and albumin(r =-0.41; P < 0.01) or prothrombin time(r =-0.44;P <0.01). Moreover, insulin resistance was observed in82.5% of the cirrhotic patients. In this group of patients,betatrophin levels were significantly higher than those in the group of patients without IR(P < 0.05).CONCLUSION: Plasma betatrophin is increased in patients with cirrhosis. This increase is related to the severity of cirrhosis, as well as with the emergence of insulin resistance. | Maria Teresa Arias-Loste Maria Teresa García-Unzueta Susana Llerena Paula Iruzubieta Angela Puente Joaquín Cabezas Carmen Alonso Antonio Cuadrado José Antonio Amado Javier Crespo Emilio Fábrega | 2015 | World Journal of Gastroenterology2015，21，37： | 9 |
| 2 | Interplay between post-translational cyclooxygenase-2 modifications and the metabolic and proteomic profile in a colorectal cancer cohort显示文摘BACKGROUND Colorectal cancer(CRC) is the second most common cause of cancer death worldwide. It is broadly described that cyclooxygenase-2(COX-2) is mainly overexpressed in CRC but less is known regarding post-translational modifications of this enzyme that may regulate its activity, intracellular localization and stability. Since metabolic and proteomic profile analysis is essential for cancer prognosis and diagnosis, our hypothesis is that the analysis of correlations between these specific parameters and COX-2 state in tumors of a high number of CRC patients could be useful for the understanding of the basis of this cancer in humans.AIM To analyze COX-2 regulation in colorectal cancer and to perform a detailed analysis of their metabolic and proteomic profile.METHODS Biopsies from both healthy and pathological colorectal tissues were taken under informed consent from patients during standard colonoscopy procedure in the University Hospital of Bellvitge(Barcelona, Spain) and Germans Trias i Pujol University Hospital(Campus Can Ruti)(Barcelona, Spain). Western blot analysis was used to determine COX-2 levels. Deglycosylation assays were performed in both cells and tumor samples incubating each sample with peptide N-glycosidase F(PNGase F). Prostaglandin E2(PGE2) levels were determined using a specific ELISA. 1 H high resolution magic angle spinning(HRMAS) analysis was performed using a Bruker AVIII 500 MHz spectrometer and proteomic analysis was performed in a nano-liquid chromatography-tandem mass spectrometer(nano LC-MS/MS) using a QExactive HF orbitrap MS.RESULTS Our data show that COX-2 has a differential expression profile in tumor tissue of CRC patients vs the adjacent non-tumor area, which correspond to a glycosylated and less active state of the protein. This fact was associated to a lesser PGE2 production in tumors. These results were corroborated in vitro performing deglycosylation assays in HT29 cell line where COX-2 protein profile was modified after PNGase F incubation, showing higher PGE2 levels. Moreover,HRMAS analysis indicated that tumor tissue has altered metabolic features vs non-tumor counterparts, presenting increased levels of certain metabolites such as taurine and phosphocholine and lower levels of lactate. In proteomic experiments, we detected an enlarged number of proteins in tumors that are mainly implicated in basic biological functions like mitochondrial activity,DNA/RNA processing, vesicular trafficking, metabolism, cytoskeleton and splicing.CONCLUSION In our colorectal cancer cohort, tumor tissue presents a differential COX-2 expression pattern with lower enzymatic activity that can be related to an altered metabolic and proteomic profile. | Patricia Prieto Rafael I Jaén Daniel Calle María Gómez-Serrano Estefanía Nú?ez María Fernández-Velasco Paloma Martín-Sanz Sergio Alonso Jesús Vázquez Sebastián Cerdán Miguel ángel Peinado Lisardo Boscá | 2019 | World Journal of Gastroenterology2019，25，4： | 4 |
| 3 | Prevalence of vacA, cagA and babA2 genes in Cuban Helicobacter pylori isolates显示文摘AIM: To investigate the prevalence of vacuolating cytotoxin (vacA), cytotoxin associated gene A (cagA) and blood adhesion binding antigen (babA2) genotypes of Helicobacter pylori (H pylori) isolates from Cuban dyspeptic patients. METHODS: DNA was extracted from H pylori-positive cultures taken from 130 dyspeptic patients. Genotyping was performed by PCR, using specifi c primers for vacA (s1, s2, m1, m2), cagA and babA2 genes. Endoscopic observations and histological examinations were used to determine patient pathologies. RESULTS: vacA alleles s1 , s2 , m1 and m2 were detected in 96 (73.8%), 34 (26.2%), 75 (57.7%) and 52 isolates (40%), respectively, while the cagA gene was detected in 95 isolates (73.2%). One hundred and seven isolates (82.3%) were babA2-positive. A signif icant correlation was observed between vacAs1m1 and cagA and between vacAs1m1 and babA2 genotypes (P < 0.001 and P < 0.05, respectively) and between babA2 genotype and cagA status (P < 0.05); but, no correlation was observed between vacAs1 and babA2 genotypes. Eighty fi ve (65.4%) and 73 (56.2%) strains were type 1 (vacAs1-cagA-positive) and 'triple- positive' (vacAs1-cagA-babA2-positive), respectively, and their presence was significantly associated with duodenal ulcer (P < 0.01 and P < 0.001, respectively). CONCLUSION: The distribution of the main virulence factors in the Cuban strains in this study resembled that of the Western-type strains, and the more virulent H pylori isolates were signifi cantly associated with duodenal ulcer, ulcer disease being the worst pathology observed in the group studied. | Lino E Torres Karelia Melián Arlenis Moreno Jordis Alonso Carlos A Sabatier Mayrín Hernández Ludisleydis Bermúdez Boris L Rodríguez | 2009 | World Journal of Gastroenterology2009，15，2： | 4 |
| 4 | Hepatic glycogenosis: An underdiagnosed complication of diabetes mellitus?显示文摘Hepatic glycogenosis(HG) is characterized by excessive glycogen accumulation in hepatocytes and represents a hepatic complication of diabetes that particularly occurs in patients with longstanding poorly controlled type 1 diabetes(T1D). HG has been reported to be a very rare disease, although it is believed to be extremely underdiagnosed because it is not possible to distinguish it from non-alcoholic fatty liver disease(NAFLD) unless a liver biopsy is performed. In contrast to HG, NAFLD is characterized by liver fat accumulation and is the more likely diagnosis for patients with type 2 diabetes and metabolic syndrome. The pathogenesis of HG involves the concomitant presence of insulin and excess glucose, which increases glycogen storage in the liver. HG is characterized by a transient elevation in liver transaminases and hepatomegaly. Differentiating between these two conditions is of the utmost importance because HG is a benign disease that is potentially reversible by improving glycemic control, whereas NAFLD can progress to cirrhosis. Therefore, HG should be suspected when liver dysfunction occurs in patients with poorly controlled T1 D. The aim of this article is to review the epidemiology, clinical characteristics, pathogenesis and histology of HG. | María Teresa Julián Núria Alonso Isabel Ojanguren Eduarda Pizarro Enric Ballestar Manel Puig-Domingo | 2015 | World Journal of Diabetes2015，6，2： | 4 |
| 5 | Diagnostic yield and clinical outcomes after capsule endoscopy in 100 consecutive patients with obscure gastrointestinal bleeding显示文摘 | Emilio Estévez Benito González-Conde José Luis Vázquez-Iglesias Maria de los Angeles Vázquez-Millán Sonia Pértega Pedro A. Alonso Joan Clofent Eva Santos José Luis Ulla Eloy Sánchez | 2006 | European Journal of Gastroenterology & Hepatology2006，，8： | 3 |
| 6 | The endophytic mycobiota of Arabidopsis thaliana显示文摘Fungal endophytes are receiving increasing attention as resources to improve crop production and ecosystem management.However,the biology and ecological significance of these symbionts remains poorly understood,due to a lack of model systems for more efficient research.In this work,we have analyzed the culturable endophytic mycobiota associated,in the wild,with leaves and siliques of the model plant A.thaliana.We have studied the effect of biotic and abiotic factors in the frequency of fungal endophytes in plant specimens,and in the species composition of the endophytic community.Our results indicate that the frequency of Arabidopsis plants hosting endophytes depends on the time of the year and the phenological stage of the plant,and that the probability of endophyte colonization increases as the life cycle of the plant progresses.The diversity of the endophytic assemblages of natural A.thaliana populations was high,and precipitation and temperature were the two main factors determining the diversity and species composition of the communities.We propose A.thaliana and its endophytes as a model system for an integral approach to the principles governing the endophytic lifestyle,taking advantage of the molecular tools and the abundant knowledge accessible from the host plant. | Elena García Ángela Alonso Gonzalo Platas Soledad Sacristán | 2013 | Fungal Diversity2013，，3： | 2 |
| 7 | 遗传性肥胖与心房颤动的关系显示文摘观察性研究已经确定了体质量指数(body mass index,BMI)与心房颤动之间的关联。然而,从观察性研究中推断因果关系会受到混杂因素、逆因果关系和偏倚的影响。该研究的主要目的是应用BMI的遗传学预测因子评估BMI与心房颤动之间的因果关系。方法:纳入1987-2002年期间在美国、冰岛和荷兰实施的7个前瞻性人群队列研究中基线无心房颤动的欧洲血统个体51 646人, | 刘莉 叶鹏 Chatterjee NA Giulianini F Geelhoed B Lunetta KL Misialek JR Niemeijer MN Rienstra M Rose LM Smith AV Arking DE Ellinor PT Heeringa J Lin H Lubitz SA Soliman EZ Verweij N Alonso A Benjamin EJ Gudnason V Stricker BH van der Harst P Chasman DI Albert CM | 2017 | 中华高血压杂志2017，25，2： | 2 |
| 8 | PLGA: poloxamer and PLGA: poloxamine blend nanostructures as carriers for nasal gene delivery显示文摘 | Csaba N Sanchez A Alonso MJ | 2006 | J Control Release2006，113，2： | 1 |
| 9 | ion homeostasis during salt stress in plants显示文摘 | Ramon S Alonso R N | 2001 | Current Opinion in Cell Biology2001，13，： | 1 |
| 10 | Ion homeostasis during salt stress in plants显示文摘 | Ramon S Alonso R N | 2001 | Current Opinion in Cell Biology2001，13，： | 1 |
| 11 | Epidermoid splenic cysts and partial splenectomy显示文摘 | Seguel Ramírez F Alonso Calderón JL Ollero Caprani JM | | 0，，02： | 1 |
| 12 | lonically crosslinked chitosan/tripolyphosphate nanoparticles for oligonucleotide and plasmid DNA delivery 显示文摘 | Csaba N Koping-Hoggard M Alonso MJ | 2009 | lnt J Pharm2009，382，1： | 1 |
| 13 | Two-dimensional channel flows over rough surface显示文摘 | Coleman N L Alonso C V | 1983 | J Hydraul Eng1983，109，2： | 1 |
| 14 | Transected axons of adult hypothalamo neurohypophysial neurons regenerate along tanycytes process显示文摘 | Chauvet N Parmentier ML Alonso G | 1995 | J Neurosci Res1995，41，1： | 1 |
| 15 | Amino acid changes within the Bunyamwera virus nucleocapsid protein differentially affect the mRNA transcription and RNA replication activities of assembled ribonucleoprotein templates显示文摘 | Walter C T Bento D F C Alonso A G Barr J N | 2011 | J Gen Virol2011，92，1： | 1 |
| 16 | Genomewide insertional mutagenesis of Arabidopsis thaliana显示文摘 | Alonso J M Stepanova A N Leisse T J | 2003 | Science2003，301，5633： | 1 |
| 17 | Heat requirements in a caD- ciner of CaCO3 integrated in a CO2 capture system using CaO显示文摘 | Rodriguez N Alonso M Grasa G | 2008 | Chemical Engineering Journal2008，138，13： | 1 |
| 18 | Tanycytes present in the adult rat mediobasal hypothalamus support the regeneration of monoaminergic axons 显示文摘 | Chauvet N Prieto M Alonso G | 1998 | Exp Neurol1998，151，1： | 1 |
| 19 | Synthesis and study of the crystallographic and magnetic structure of the ferromagnetic oxide ErFeMnO5显示文摘 | Mu(n)oz A Alonso J A | 2005 | Phys Rev B2005，72，18： | 1 |
| 20 | Production of oligosaccharides and sugars from rye straw:A kinetic approach显示文摘 | Gullón B Yá(n)ez R Alonso J Parajó J | | 0，，17： | 1 |
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