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1Is rectal indomethacin effective in preventing of post-endoscopic retrograde cholangiopancreatography pancreatitis?显示文摘AIM:To investigate the effectiveness of rectally administered indomethacin in the prophylaxis of post-endoscopic retrograde cholangiopancreatography(ERCP)pancreatitis and hyperamylasaemia in a multicentre study.METHODS:A prospective,randomised,placebocontrolled multicentre study in five endoscopic units was conducted on 686 patients randomised to receive a suppository containing 100 mg indomethacin,or an inert placebo,10-15 min before ERCP.Post-ERCP pancreatitis and hyperamylasaemia were evaluated 24 h following the procedure on the basis of clinical signs and laboratory parameters,and computed tomography/magnetic resonance imaging findings if required.RESULTS:Twenty-one patients were excluded because of incompleteness of their data or because of protocol violation.The results of 665 investigations were evaluated:347 in the indomethacin group and 318 in the placebo group.The distributions of the risk factors in the two groups did not differ significantly.Pancreatitis developed in 42 patients(6.3%):it was mild in34(5.1%)and severe in eight(1.2%)cases.Hyperamylaesemia occurred in 160 patients(24.1%).There was no significant difference between the indomethacin and placebo groups in the incidence of either postERCP pancreatitis(5.8%vs 6.9%)or hyperamylasaemia(23.3%vs 24.8%).Similarly,subgroup analysis did not reveal any significant differences between the two groups.CONCLUSION:100 mg rectal indomethacin administered before ERCP did not prove effective in preventing post-ERCP pancreatitis.Zoltán Dbrnte Zoltán Szepes Ferenc Izbéki Judit Gervain László Lakatos Gyula Pécsi Miklós Ihász Lilla Lakner Erzsébet Toldy László Czakó 2014World Journal of Gastroenterology2014,20,29:16
2Contribution of TLR signaling to the pathogenesis of colitisassociated cancer in inflammatory bowel disease显示文摘In the intestine a balance between proinflammatory and repair signals of the immune system is essential for the maintenance of intestinal homeostasis. The innate immunity ensures a primary host response to microbial invasion, which induces an inflammatory process to localize the infection and prevent systemic dissemination of pathogens. The key elements of this process are the germline encoded pattern recognition receptors inclu-ding Toll-like receptors(TLRs). If pathogens cannot be eliminated, they may elicit chronic inflammation, which may be partly mediated via TLRs. Additionally, chronic inflammation has long been suggested to trigger tissue tumorous transformation. Inflammation, the seventh hallmark of cancer, may affect all phases of tumor development, and evade the immune system. Inflammation acts as a cellular stressor and may trigger DNA damage or genetic instability. Furthermore, chronic inflammation can provoke genetic mutations and epigenetic mechanisms that promote malignant cell transformation. Colorectal cancers in inflammatory bowel disease patients are considered typical examples of inflammation-related cancers. Although data regarding the role of TLRs in the pathomechanism of cancer-as-sociated colitis are rather conflicting, functionally these molecules can be classified as 'largely antitumorigenic' and 'largely pro-tumorigenic' with the caveat that the underlying signaling pathways are mainly context(i.e., organ-, tissue-, cell-) and ligand-dependent.Ferenc Sipos István Fri Miklós Constantinovits Zsolt Tulassay Gyrgyi Mzes 2014World Journal of Gastroenterology2014,20,36:9
3Clinical significance of granuloma in Crohn's disease显示文摘AIM: Granuloma is considered the hallmark of microscopic diagnosis in Crohn's disease (CD), but granulomas can be detected in only 21-60% of CD patients. The aim of this studywas to evaluate the frequency of granulomas by multiple endoscopic biopsies in patients with CD and to examine whether group of patients with or without granuloma exhibit a different clinical course.METHODS: Fifty-six patients with newly diagnosed Cdwere included in the study. Jejunoscopy, enteroclysis and ileo-colonoscopy were performed in all patients. At least two biopsy specimens from each examined gastrointestinal segment were examined microscopically searching granuloma. The clinical course was followed in all patients, and extraintestinal manifestations as well as details of any immunosuppressive therapy and surgical intervention were noted.RESULTS: Granuloma was found in 44.6% of the cases (25 patients). Patients with granuloma had higher activity parameters at the time of the biopsies. Extraintestinal manifestations were observed and surgical interventions were performed more often in the granuloma group. The need of immunosuppressive therapy was significantly more frequent in the patients with granuloma. Granuloma formation is more often seen in younger patients, and mainly in the severe, active penetrating disease. CONCLUSION: The significantly higher frequency of surgical interventions and immunosuppressive therapy suggests that granuloma formation is associated with a more severe disease course during the first years of CD.Tamás Molnár László Tiszlavicz Csaba Gyulai Ferenc Nagy János Lonovics 2005World Journal of Gastroenterology2005,11,20:5
4Relevance of α-defensins(HNP1-3) and defensin β-1 in diabetes显示文摘AIM: To investigate the genetic background of human defensin expression in type 1 and 2 diabetes.METHODS: Associations between DEFA1/DEFA3 gene copy number polymorphism and diabetes as well as between the promoter polymorphisms of DEFB1 and diabetes were studied. The copy number variation of the DEFA1/DEFA3 genes was determined in 257 diabetic patients(117 patients with type 1 and 140 with type 2 diabetes). The control group consisted of 221 age- and gender-matched healthy blood donors. The cumulative copy numbers of the DEFA1/DEFA3 genes were detected by using quantitative PCR analysis. To evaluate the HNP 1-3(human neutrophil peptide 1-3 or α-defensin) levels in the circulation, plasma HNP 1-3 concentrations were measured by ELISA. The expression of DEFA1/A3 in peripheral leukocytes of the diabetic patients was measured by quantitative RT PCR analysis. Three SNPs of the human DEFB1(human defensin β-1) gene: DEFB1 G-20A(rs11362), DEFB1 C-44G(rs1800972) and DEFB1 G-52A(rs1799946) were genotyped by Custom TaqMan? Real Time PCR assay.RESULTS: Significant differences were observed in HNP1-3 levels between the healthy subjects and both groups of diabetic patients. The mean ± SE was 28.78 ± 4.2 ng/mL in type 1 diabetes, and 29.82 ± 5.36 ng/mL in type 2 diabetes, vs 11.94 ± 2.96 ng/mL in controls; P < 0.01 respectively. There was no significant difference between patients with type 1 and type 2 diabetes in the high plasma concentrations of HNP1-3. The highest concentrations of α-defensin were found in diabetic patients with nephropathy(49.4 ± 4.8 ng/mL), neuropathy(38.7 ± 4.8 ng/mL) or cardiovascular complications(45.6 ± 1.45 ng/L). There was no significant difference in the cumulative copy numbers of DEFA1/DEFA3 genes between controls and patients, or between patients with the two types of diabetes. Comparisons of HNP 1-3 plasma level and DEFA1/A3 copy number of the same patient did not reveal significant relationship between defensin-α levels and the gene copy numbers(r2 = 0.01). Similarly, no positive correlation was observed between the copy numbers and the mRNA expression levels of DEFA1/A3. Regarding the C-44G polymorphism of DEFB1, the GG 'protective' genotype was much less frequent(1%-2%) among both groups of patients than among controls(9%).CONCLUSION: Elevated HNP1-3 levels in diabetes are independent of DEFA1/DEFA3 copy numbers, but GG genotype of C-44G SNP in DEFB1 gene may result in decreased defensin β-1 production.Balázs Csaba Németh Tamás Várkonyi Ferenc Somogyvári Csaba Lengyel Katalin Fehértemplomi Szabolcs Nyiraty Péter Kempler Yvette Mándi 2014World Journal of Gastroenterology2014,20,27:4
5Intratumoral functional heterogeneity and chemotherapy显示文摘Intratumoral heterogeneity including genetic and nongenetic mechanisms refers to biological differences amongst malignant cells originated within the same tumor.Both,cell differentiation hierarchy and stochasticity in gene expression and signaling pathways may result in phenotypic differences of cancer cells.Since a tumor consists of cancer cell clones that display distinct behaviours,changes in clonal proliferative behavior may also contribute to the phenotypic variability of tumor cells.There is a need to reveal molecular actions driving chemotherapeutic resistance in colon cancer cells.In general,it is widely hypothesized that therapeutic resistance in colorectal cancer is a consequence of the preferential survival of cancer stem cells.However,recent data regarding colorectal cancer suggest that resistance to anticancer therapy and post-therapeutic tumor reappearence could be related to variations of clonal dynamics.Understanding the interaction of genetic and nongenetic determinants influencing the functional diversity and therapy response of tumors should be a future direction for cancer research.Ferenc Sipos Miklós Constantinovits Gyrgyi Müzes 2014World Journal of Gastroenterology2014,20,10:3
6Synchronous electrogastrographic and manometric study of the stomach as an esophageal substitute显示文摘AIM: To investigate the electric and contractile mechanisms involved in the deranged function of the transposed stomach in relation to the course of the symptoms and the changes in contractile and electrical parameters over time.METHODS: Twenty-one patients after subtotal esophagectomy and 18 healthy volunteers were studied.Complaints were compiled by using a questionnaire, and a symptom score was formed. Synchronous electrogastrography and gastric manometry were performed in the fasting state and postprandially.RESULTS: Eight of the operated patients were symptomfree and 13 had symptoms. The durations of the postoperative periods for the symptomatic (9.1±6.5 mo)and the asymptomatic (28.3±8.8 mo) patients were significantly different. The symptom score correlated negatively with the time that had elapsed since the operation. The percentages of the dominant frequency in the normogastric, bradygastric and tachygastric ranges differed significantly between the controls and the patients.A significant difference was detected between the power ratio of the controls and that of the patients. The occurrence of tachygastria in the symptomatic and the symptom-free patients correlated negatively both with the time that had elapsed and with the symptom score. There was a significant increase in motility index after feeding in the controls, but not in the patients. The contractile activity of the stomach increased both in the controls and in the symptom-free patients. In contrast, in the group of symptomatic patients, the contractile activity decreased postprandially as compared with the fasting state.CONCLUSION: The patients' post-operative complaints and symptoms change during the post-operative period and correlate with the parameters of the myoelectric and contractile activities of the stomach. Tachygastria seems to be the major pathogenetic factor involved in the contractile dysfunction.Ferenc Izbéki Tibor Wittmann Sándor (O|')dor Balázs Botos (A|')ron Altorjay 2005World Journal of Gastroenterology2005,11,8:2
7Frequency and prognostic role of mucosal healing in patients with Crohn's disease and ulcerative colitis after one-year of biological therapy显示文摘AIM:To assess the endoscopic activity before and after a one-year period of biological therapy and to evaluate the frequency of relapses and need for retreatment after stopping the biologicals in patients with Crohn’s disease(CD)and ulcerative colitis(UC).METHODS:The data from 41 patients with CD and 22 patients with UC were assessed.Twenty-four CD patients received infliximab,and 17 received adalimumab.The endoscopic severity of CD was quantified with the simplified endoscopic activity score for Crohn’s disease in CD and with the Mayo endoscopic subscore in UC.RESULTS:Mucosal healing was achieved in 23 CD and7 UC patients.Biological therapy had to be restarted in78%of patients achieving complete mucosal healing with CD and in 100%of patients with UC.Neither clinical remission nor mucosal healing was associated with the time to restarting the biological therapy in either CD or UC.CONCLUSION:Mucosal healing did not predict sustained clinical remission in patients in whom the biological therapies had been stopped.Klaudia Farkas Péter László Lakatos Mónika Szcs va Pallagi-Kunstár Anita Bálint Ferenc Nagy Zoltán Szepes Noémi Vass Lajos S Kiss Tibor Wittmann Tamás Molnár 2014World Journal of Gastroenterology2014,20,11:2
8Efficacy of 6-mercaptopurine treatment after azathioprine hypersensitivity in inflammatory bowel disease显示文摘AIM:To investigate the efficacy of 6-mercaptopurine (6-MP) in cases of azathioprine (AZA) hypersensitivity in patients with inflammatory bowel disease. METHODS: Twenty nine previously confirmed Crohn’s disease (CD) (n = 14) and ulcerative colitis (UC) (n = 15) patients with a known previous (AZA) hypersensitivity reaction were studied prospectively. The 6-MP doses were gradually increased from 0.5 up to 1.0-1.5 mg/kg per day. Clinical activity indicies (CDAI/CAI), laboratory variables and daily doses of oral 5-ASA, corticosteroids, and 6-MP were assessed before and in the first, sixth and twelfth months of treatment. RESULTS: In 9 patients, 6-MP was withdrawn in the first 2 wk due to an early hypersensitivity reaction. Medication was ineffective within 6 mo in 6 CD patients, and myelotoxic reaction was observed in two. Data were evaluated at the end of the sixth month in 12 (8 UC, 4 CD) patients, and after the first year in 9 (6 UC, 3 CD) patients. CDAI decreased transiently at the end of the sixth month, but no significant changes were observed in the CDAI or the CAI values at the end of the year. Leukocyte counts (P = 0.01), CRP (P = 0.02), and serum iron (P = 0.05) values indicated decreased inflammatory reactions, especially in the UC patients at the end of the year, making the possibility to taper oral steroid doses. CONCLUSION: About one-third of the previously AZA- intolerant patients showed adverse effects on taking 6MP. In our series, 20 patients tolerated 6MP, but it was ineffective in 8 CD cases, and valuable mainly in ulcerative colitis patients.Ferenc Nagy Tamás Molnár Zoltán Szepes Klaudia Farkas Tibor Nyári János Lonovics 2008World Journal of Gastroenterology2008,14,27:2
9Elevated insulin-like growth factor 1 receptor, hepatocyte growth factor receptor and telomerase protein expression in mild ulcerative colitis显示文摘Ferenc Sipos Orsolya Galamb László Herszényi Béla Molnár Norbert Solymosi Tamás Zágoni Lajos Berczi Zsolt Tulassay 2008Scandinavian Journal of Gastroenterology2008,,3:2
10Association of hepatocyte-derived growth factor receptor/caudal type homeobox 2 co-expression with mucosal regeneration in active ulcerative colitis显示文摘AIM:To characterize the regeneration-associated stem cell-related phenotype of hepatocyte-derived growth factor receptor(HGFR)-expressing cells in active ulcerative colitis(UC).METHODS:On the whole 38 peripheral blood samples and 38 colonic biopsy samples from 18 patients with histologically proven active UC and 20 healthy control subjects were collected.After preparing tissue microarrays and blood smears HGFR,caudal type homeobox 2(CDX2),prominin-1(CD133) and Musashi-1conventional and double fluorescent immunolabelings were performed.Immunostained samples were digitalized using high-resolution Mirax Desk instrument,and analyzed with the Mirax TMA Module software.For semiquantitative counting of immunopositive lamina propria(LP) cells 5 fields of view were counted at magnification x 200 in each sample core,then mean ± SD were determined.In case of peripheral blood smears,30 fields of view with 100 μm diameter were evaluated in every sample and the number of immunopositive cells(mean ± SD) was determined.Using 337 nm UVA Laser MicroDissection system at least 5000 subepithelial cells from the lamina propria were collected.Gene expression analysis of HGFR,CDX2,CD133,leucine-rich repeat-containing G-protein coupled receptor 5(Lgr5),Musashi-1 and cytokeratin20(CK20) were performed in both laser-microdisscted samples and blood samples by using real time reverse transcription polymerase chain reaction(RT-PCR).RESULTS:By performing conventional and double fluorescent immunolabelings confirmed by RT-PCR,higher number of HGFR(blood:6.7 ± 1.22 vs 38.5 ±3.18;LP:2.25 ± 0.85 vs 9.22 ± 0.65;P < 0.05),CDX2(blood:0 vs 0.94 ± 0.64;LP:0.75 ± 0.55 vs 2.11± 0.75;P < 0.05),CD133(blood:1.1 ± 0.72 vs 8.3± 1.08;LP:11.1 ± 0.85 vs 26.28 ± 1.71;P < 0.05)and Musashi-1(blood and LP:0 vs scattered) positive cells were detected in blood and lamina propria of UC samples as compared to controls.HGFR/CDX2(blood:0 vs 1± 0.59;LP:0.8 ± 0.69 vs 2.06 ± 0.72,P < 0.05)and Musashi-1/CDX2(blood and LP:0 vs scattered) coexpressions were found in blood and lamina propria of UC samples.HGFR/CD133 and CD133/CDX2 coexpressions appeared only in UC lamina propria samples.CDX2,Lgr5 and Musashi-1 expressions in UC blood samples were not accompanied by CK20 mRNA expression.CONCLUSION:In active UC,a portion of circulating HGFR-expressing cells are committed to the epithelial lineage,and may participate in mucosal regeneration by undergoing mesenchymal-to-epithelial transition.Ferenc Sipos Miklós Constantinovits Gábor Valcz Zsolt Tulassay Gy?rgyi M?zes 2015World Journal of Gastroenterology2015,21,28:2
11A Short Amino-Terminal Part of Arabidopsis Phytochrome A Induces Constitutive Photomorphogenic Response显示文摘Phytochrome A (phyA ) 是在 Arabidopsis thaliana 察觉到的 far-red 光的主导的光敏电阻器。phyA 在发信号的变白的幼苗,和导致光的 phyA 的细胞质在高水平积累被一个复杂规章的网络调停。这包括光 -- 并且进在 vivo 的原子核的本国的 phyA 的 FHY1/FHL 蛋白质依赖者 translocation。phyA (PHYA406 ) 的短 N 终端碎片对 phenocopy 足够,这也被显示出在 vitro 的这个高度调整的细胞的过程。为了测试这 N 终端的生物活动,在 planta phyA 碎裂,我们生产了表示 PHYA406YFP 的转基因的 phyA-201 植物(黄荧光灯蛋白质) DD, PHYA406YFPDDNLS (原子本地化信号) ,和 PHYA406YFPDDNES (原子出口信号) 熔化蛋白质。这里,我们报导 PHYA406YFPDD 被进口进原子核,而 PHYA406YFPDDNLS 和 PHYA406YFPDDNES 显示期望的组成的本地化模式,这进程部分是轻依赖者的。我们的结果证明这些截断的 phyA 蛋白质是轻马厩的,当局部性时,他们在他们的原子核,和两个都不触发组成的象 photomorphogenic 一样回答导致合适的 phyA 发信号。我们证明在 vitro 并且在 vivo PHYA406, Pfr 和 Pr 绑 COP1, photomorphogenesis 的一个一般抑压者,并且在原子身体与它共同本地化。因此,我们断定在 planta,截断的 PHYA406 蛋白质以一种光无关的方式在原子核使 COP1 失去活性。Andra's Viczia'n E'va Ada'm Iris Wolf Ja'nos Bindics Stefan Kircher Marc Heijde Roman Ulm Eberhard Scha'fer Ferenc Nagy 2012Molecular Plant2012,5,3:2
12The effects of predation risk on the use of social foraging tactics显示文摘Zoltán Barta András Liker Ferenc Mónus 2004Animal Behaviour2004,,:1
13Fuzzy model-based predictive control by instantaneous linearization显示文摘JANOS A LAJOS N FERENC S 2001Fuzzy Sets and Systems2001,120,1:1
14Fenoxycarb levels and their effects on general and juvenile hormone esterase activity in the hemolymph of the silkworm,Bombyx mori显示文摘Skarlatos G D Ferenc S Andras S 2003Pesticide Biochemistry and Physiology2003,73,:1
15Artificial neural network approach for predicting transient water levels in a multilayered groundwater system under variable state, pumping, and climate conditions显示文摘EMERY C J FERENC S MARY P 2003Journal of Hydrologic Engineering2003,8,6:1
16Malignancies after renal transplantation during 33 years at a single center显示文摘Gyula Végs? Maria Tóth Márta Hídvégi éva Toronyi Robert Mlanger Elek Dinya András Tóth Ferenc Perner Jen? Járay 2007Pathology & Oncology Research2007,,1:1
17Diazoxide and dimethyl sulphoxide prevent cerebral hypoperfusion-related learning dysfunction and brain damage after carotid artery occlusion显示文摘Eszter Farkas ádám Institóris Ferenc Domoki András Mihály Paul G.M Luiten Ferenc Bari 2004Brain Research2004,,2:1
18Analysis of risk factors-especially different types of plexitis-for postoperative relapse in Crohn's disease显示文摘AIM To evaluate the presence of submucosal and myenteric plexitis and its role in predicting postoperative recurrence.METHODS Data from all patients who underwent Crohn's disease(CD)-related resection at the University of Szeged, Hungary between 2004 and 2014 were analyzed retrospectively. Demographic data, smoking habits, previous resection, treatment before and after surgery, resection margins, neural fiber hyperplasia, submucosal and myenteric plexitis were evaluated as possible predictors of postoperative recurrence. Histological samples were analyzed blinded to the postoperative outcome and the clinical history of the patient. Plexitis was evaluated based on the appearance of the most severely inflamed ganglion or nerve bundle. Patients underwent regular follow-up with colonoscopy after surgery. Postoperativerecurrence was defined on the basis of endoscopic and clinical findings, and/or the need for additional surgical resection. RESULTS One hundred and four patients were enrolled in the study. Ileocecal, colonic, and small bowel resection were performed in 73.1%, 22.1% and 4.8% of the cases, respectively. Mean disease duration at the time of surgery was 6.25 years. Twenty-six patients underwent previous CD-related surgery. Forty-three point two percent of the patients were on 5-aminosalicylate, 20% on corticosteroid, 68.3% on immunomodulant, and 4% on anti-tumor necrosis factor-alpha postoperative treatment. Postoperative recurrence occurred in 61.5% of the patients; of them 39.1% had surgical recurrence. 92.2% of the recurrences developed within the first five years after the index surgery. Mean disease duration for endoscopic relapse was 2.19 years. The severity of submucosal plexitis was a predictor of the need for second surgery(OR = 1.267, 95%CI: 1.000-1.606, P = 0.050). Female gender(OR = 2.21, 95%CI: 0.98-5.00, P = 0.056), stricturing disease behavior(OR = 3.584, 95%CI: 1.344-9.559, P = 0.011), and isolated ileal localization(OR = 2.671, 95%CI: 1.033-6.910, P = 0.043) were also predictors of postoperative recurrence. No association was revealed between postoperative recurrence and smoking status, postoperative prophylactic treatment and the presence of myenteric plexitis and relapse.CONCLUSION The presence of severe submucosal plexitis with lymphocytes in the proximal resection margin is more likely to result in postoperative relapse in CD.Agnes Milassin Anita Sejben László Tiszlavicz Zita Reisz Gyorgy Lázár Mónika Szucs Renáta Bor Anita Bálint Mariann Rutka Zoltán Szepes Ferenc Nagy Klaudia Farkas Tamás Molnár 2017World Journal of Gastrointestinal Surgery2017,9,7:1
19CONSTITUTIVELY PHOTOMORPHOGENIC1 is required for the UV-B response in Arabidopsis显示文摘Attila O Alexander B Zoltán M Agnieszka B Jean M Edward J O (E)va (A) Eberhard S Ferenc N Roman U 0,,08:1
20Application of Game Theory for a Groundwater Conflict in Mexico 显示文摘RAQUEL S FERENC S EMERY JR C 2007Journal of Environmental Management2007,84,4:1
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