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| 1 | Current aspects of renal dysfunction after liver transplantation显示文摘The development of chronic kidney disease(CKD)after liver transplantation(LT)exerts a severe effect on the survival of patients.The widespread adoption of the model for end-stage liver disease score strongly impacted CKD incidence after the procedure,as several patients are transplanted with previously deteriorated renal function.Due to its multifactorial nature,encompassing pre-transplantation conditions,perioperative events,and nephrotoxic immunosuppressor therapies,the accurate identification of patients under risk of renal disease,and the implementation of preventive approaches,are extremely important.Methods for the evaluation of renal function in this setting range from formulas that estimate the glomerular filtration rate,to non-invasive markers,although no option has yet proved efficient in early detection of kidney injury.Considering the nephrotoxicity of calcineurin inhibitors(CNI)as a factor of utmost importance after LT,early nephroprotective strategies are highly recommended.They are based mainly on delaying the application of CNI during the immediate postoperativeperiod,reducing their dosage,and associating them with other less nephrotoxic drugs,such as mycophenolate mofetil and everolimus.This review provides a critical assessment of the causes of renal dysfunction after LT,the methods of its evaluation,and the interventions aimed at preserving renal function early and belatedly after LT. | Mariana P Pacheco Luiz Augusto Carneiro-D'Albuquerque Daniel F Mazo | 2022 | World Journal of Hepatology2022，14，1： | 5 |
| 2 | Genetic ancestry analysis in non-alcoholic fatty liver disease patients from Brazil and Portugal显示文摘AIM:To study the association between genetic ancestry,non-alcoholic fatty liver disease(NAFLD) metabolic characteristics in two cohorts of patients,from Brazil and Portugal. METHODS:We included 131 subjects from Brazil [(n = 45 with simple steatosis(S. Steatosis) and n = 86 with nonalcoholic steatohepatitis(NASH)] and 90 patients from Portugal(n = 66,S. Steatosis; n = 24,NASH). All patients had biopsy-proven NAFLD. In histologic evaluation NAFLD activity score was used to assess histology and more than 5 points defined NASH in this study. Patients were divided into two groups according to histology diagnosis:simple steatosis or non-alcoholic statohepatitis. Genetic ancestry was assessed using real-time polymerase chain reaction. Seven ancestry informative markers(AT3-I/D,LPL,Sb19.3,APO,FYNull,PV92,and CKMM) with the greatest ethnicgeographical differential frequencies(≥ 48%) were used to define genetic ancestry. Data were analyzed using R PROJECTS software. Ancestry allele frequencies between groups were analyzed by GENEPOP onlineand the estimation of genetic ancestry contribution was evaluated by ADMIX-95 software. The 5% alpha-error was considered as significant(P < 0.05). RESULTS:In the Brazilian sample,NASH was significantly more frequent among the elderly patients with diabetes(NASH 56 ± 1.1 years old vs S. Steatosis 51 ± 1.5 years old,P = 3.7 x 10-9),dyslipidemia(NASH 63% vs S. Steatosis 37%,P = 0.009),higher fasting glucose levels(NASH 124 ± 5.2 vs S. Steatosis 106 ± 5.3,P = 0.001) and Homeostatic Model of Assessment index > 2.5 [NASH 5.3(70.8%) vs S. Steatosis 4.6(29.2%) P = 0.04]. In the Portuguese study population,dyslipidemia was present in all patients with NASH(P = 0.03) and hypertension was present in a larger percentage of subjects in the S. Steatosis group(P = 0.003,respectively). The genetic ancestry contribution among Brazilian and Portuguese individuals with NASH was similar to those with S. Steatosis from each cohort(Brazilian cohort:P = 0.75; Portuguese cohort:P = 0.97). Nonetheless,the genetic ancestry contribution of the Brazilian and Portuguese population were different,and a greater European and Amerindian ancestry contribution was detected in the Portuguese population while a higher African genetic ancestry contribution was observed in Brazilian population of both NASH and S. Steatosis groups.CONCLUSION:There was no difference between the genetic ancestry contribution among Brazilian and Portuguese individuals with NASH and S. Steatosis from each cohort. | Lourianne Nascimento Cavalcante Jose Tadeu Stefano Mariana V Machado Daniel F Mazo Fabiola Rabelo Kiyoko Abe Sandes Flair Jose Carrilho Helena Cortez-Pinto Andre Castro Lyra Claudia P de Oliveira | 2015 | World Journal of Hepatology2015，7，10： | 2 |
| 3 | Developmental regulation of expressin ofthe lactate dehydrogenase(LDH) multigene family during mouse spermatogenesis显示文摘 | Thomas K Del Mazo L Ecersole P | 1990 | Development1990，109，： | 1 |
| 4 | An ISS Self-triggered Implementation of Linear Controllers显示文摘 | M Mazo Jr A Anta P Tabuada | 2010 | Automatica2010，46，8： | 1 |
| 5 | Design and signal processing of a magnetic sensor array for train wheel detection 显示文摘 | DONATO P G URE A J MAZO M | 2006 | Sensors and Actuators A: Physical2006，132，2： | 1 |
| 6 | An ISS self-triggered implementation of linear controllers显示文摘 | Mazo Jr M Anta A Tabuada P | 2010 | Automatica2010，46，8： | 1 |
| 7 | Decentralized event-triggered control over wireless sensor/actuator networks显示文摘 | MAZO M TABUADA P | 2011 | Automatic Control IEEE Transactions on2011，56，10： | 1 |
| 8 | Synthesis and cha- racterization of pressure-sensitive adhesives of waterborne polyurethane from maleinizated castor oil显示文摘 | MAZO P LOPEZ L RESTREPO D | 2010 | Polimeros :Ciencia E Tecnologia2010，20，2： | 1 |
| 9 | Direct-acting antivirals for chronic hepatitis C treatment: The experience of two tertiary university centers in Brazil显示文摘BACKGROUND Hepatitis C virus(HCV)treatment has undergone major changes in recent years.Previous interferon-based therapies have been replaced by oral direct-acting antivirals(DAA)regimens,with high sustained virologic response(SVR)rates,and a lower incidence of adverse events(AEs).AIM To evaluate the efficacy and safety of DAAs for HCV treatment in subjects from two tertiary university centers in Brazil.METHODS This is a multicenter retrospective cohort study of 532 patients with chronic hepatitis C(CHC),undergoing treatment with interferon-free regimens from November 2015 to November 2019.The therapeutic regimen was defined by the current Brazilian guidelines for HCV management at the time of treatment.Demographic,anthropometric,clinical,and laboratory variables were evaluated.SVRs were assessed at 12 to 24 wk after therapy by intention-to-treat(ITT),and modified ITT(m-ITT)analysis.AEs and serious adverse events(SAEs)were registered.In the statistical analysis,a P value of<0.05 was considered significant.RESULTS The mean age was 56.88 years,with 415(78.5%)being HCV genotype 1,followed by genotype 3(20.1%).Moreover,306(57.5%)subjects had cirrhosis,and a third of them had decompensated cirrhosis.Sofosbuvir(SOF)plus daclatasvir±ribavirin was the most frequently used treatment(66.9%),followed by SOF plus simeprevir(21.2%).The overall ITT SVR was 92.6%(493/532),while the m-ITT SVR was 96.8%(493/509).Variables associated with treatment failure via ITT evaluation were hepatic encephalopathy(OR:4.320;95%CI:1.920-9.721,P=0.0004),presence of esophageal varices(OR:2.381;95%CI:1.137-4.988,P=0.0215),previous portal hypertensive bleeding(OR:2.756;95%CI:1.173-6.471,P=0.02),higher model for end-stage liver disease scores(OR:1.143,95%CI:1.060–1.233,P=0.0005),lower serum albumin levels(OR:0.528,95%CI:0.322-0.867,P=0.0115),higher serum creatinine(OR:1.117,95%CI:1.056-1.312,P=0.0033),and international normalized ratio(INR)levels(OR:5.542,95%CI:2.023-15.182,P=0.0009).AEs were reported in 41.1%(211/514)of patients,and SAEs in 3.7%.The female gender,higher body mass index,esophageal varices,higher INR values,and longer treatment duration were independently associated with AE occurrence.CONCLUSION Treatment with oral DAAs attains a high SVR rate,with fewer SAEs in a real-life cohort of subjects with CHC,from two tertiary university centers in Brazil. | Mariana Sandoval Lourenço Patricia Momoyo Y Zitelli Marlone Cunha-Silva Arthur Ivan N Oliveira Cláudia P Oliveira Tiago Sevá-Pereira Flair JoséCarrilho Mario G Pessoa Daniel F Mazo | 2022 | World Journal of Hepatology2022，14，1： | 1 |
| 10 | Biodegration study of Psedo- monas, of flexible polyurethane foams derived from castor oil 显示文摘 | Sponton M Casis N Mazo P | 2013 | International Biodeterioration & Biodegradation2013，85，： | 1 |
| 11 | Self - esterification of partially maleated castor oil using conventional and microwave heating 显示文摘 | Mazo P Rios L Estenoz D ' | 2012 | Chemical Engineering Jour- nal2012，185，： | 1 |
| 12 | Decentralized event-triggered controlover wireless sensor/actuator networks 显示文摘 | MAZO M TABUADA P | 2011 | IEEE Transactionson Automatic Control2011，56，10： | 1 |
| 13 | Adipose tissue-derived mesen- chymal stem cells : isolation, expansion, and characterization 显示文摘 | Arana M Mazo M Aranda P | 2013 | Methods Mol Biol2013，1036，： | 1 |
| 14 | Double Flank Roll Testing Machines Intercomparison for Worm and Worm Gear显示文摘 | ARTETA M P MAZO J S CACHO R A | 2013 | Procedia Engineering2013，63，： | 1 |
| 15 | Hypolactasia is associated with insulin resistance in nonalcoholic steatohepatitis显示文摘AIM To assess lactase gene(LCT)-13910C>T polymorphisms in Brazilian non-alcoholic fatty liver disease(NAFLD) and nonalcoholic steatohepatitis(NASH) patients in comparison with healthy controls.METHODS This was a transverse observational clinical study with NAFLD patients who were followed at the Hepatology Outpatient Unit of the Hospital das Clínicas, S?o Paulo, Brazil. The polymorphism of lactase non-persistence/lactase persistence(LCT-13910C>T) was examined by PCR-restriction fragment length polymorphism technique in 102 liver biopsy-proven NAFLD patients(steatosis in 9 and NASH in 93) and compared to those of 501 unrelated healthy volunteers. Anthropometric, clinical, biochemical and liver histology data were analyzed. Continuous variables were compared using the t or Mann-Whitney tests, and categorical data were compared with the Fisher's exact test. Univariate logistic regression and multivariate logistic regression adjusted for gender and age were performed.RESULTS No differences in the LCT-13910 genotype frequencies were noted between the NAFLD patients(66.67% of the patients with steatosis were CC, 33.33% were CT, and none were TT; 55.91% of the patients with NASH were CC, 39.78% were CT, and 4.3% were TT; P = 0.941) and the healthy controls(59.12% were CC, 35.67% were CT, and 5.21% were TT) or between the steatosis and NASH patients. That is, the distribution of the lactase non-persistence/lactase persistence polymorphism(LCT-13910C>T) in the patients with NAFLD was equal to that in the general population. In the NASH patients, the univariate analysis revealed that the lactase nonpersistence(low lactase activity or hypolactasia) phenotype was associated with higher insulin levels(23.47 ± 15.94 μU/m L vs 15.8 ± 8.33 μU/m L, P = 0.027) and a higher frequency of insulin resistance(91.84% vs 72.22%, P = 0.02) compared with the lactase persistence phenotype. There were no associations between the LCT genotypes and diabetes(P = 0.651), dyslipidaemia(P = 0.328), hypertension(P = 0.507) or liver histology in these patients. Moreover, in the NASH patients, hypolactasia was an independent risk factor for insulin resistance even after adjusting for gender and age [OR = 5.0(95%CI: 1.35-20; P = 0.017)].CONCLUSION The LCT-13910 genotype distribution in Brazilian NAFLD patients was the same as that of the general population, but hypolactasia increased the risk of insulin resistance in the NASH patients. | Daniel Ferraz de Campos Mazo Rejane Mattar Jose Tadeu Stefano Joyce Matie Kinoshita da Silva-Etto Marcio Augusto Diniz Sebastiao Mauro Bezerra Duarte Fabíola Rabelo Rodrigo Vieira Costa Lima Priscila Brizolla de Campos Flair Jose Carrilho Claudia P Oliveira | 2016 | World Journal of Hepatology2016，8，24： | 0 |
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