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| 1 | Changes of the cytokine profile in inflammatory bowel diseases显示文摘Cytokines are indispensable signals of the mucosaassociated immune system for maintaining normal gut homeostasis.An imbalance of their profile in favour of inflammation initiation may lead to disease states,such as that is observed in inflammatory bowel diseases(IBD).Although Crohn's disease(CD) is often described as a prototype of T-helper 1-type diseases,and ulcerative colitis(UC) is traditionally viewed as a T-helper 2-mediated condition,the classic paradigm,which categorises cytokines into pro-and anti-inflammatory groups,has recently been changed.The inflammation regulatory pathways may not be mutually exclusive as individual cytokines can have diverse and even opposing functions in various clinical and immunological settings.None the less there are many common immunological responses in IBD that are mediated by cytokines.Although they regulate and influence the development,course and recurrence of the inflammatory process,the concrete pathogenic role of these small signaling molecules is sometimes not unambiguous in the subtypes of the disease.Our aim is to review the current information about pro-and anti-inflammatory effects of traditionally studied and recently discovered cytokines in the pathogenesis of UC and CD.The better understanding of their production and functional activity may lead to the development of new therapeutic modalities. | Gyrgyi Mzes Béla Molnár Zsolt Tulassay Ferenc Sipos | 2012 | World Journal of Gastroenterology2012,18,41: | 16 |
| 2 | Epithelial toll-like receptor 9 signaling in colorectal inflammation and cancer: Clinico-pathogenic aspects显示文摘Toll-like receptors (TLRs) recognize specific motifs which are frequently present in bacteria, fungi, prokaryotes and viruses. Amongst TLRs, TLR9 can be activated by such bacterial or viral DNA fragments, immunoglobulin-DNA complexes or synthetic oligonucleotides, which all contain unmethylated cytosineguanine nucleotide sequences (CpGs). Emerging data indicate that TLR9 signaling has a role in, and may influence, colorectal carcinogenesis and colonic inflammation. CpGs are classified into three groups according to their influence on both the antigen-specific humoraland cellular immunity, and the production of type 1 interferons and proinflammatory cytokines. TLR9 activation via CpGs may serve as a new therapeutic target for several cancerous and various inflammatory conditions. Due to its probable anti-cancer effects, the application possibilities of TLR9-signaling modulation may be extremely diverse even in colorectal tumors. In this review we aimed to summarize the current knowledge about TLR-signaling in the pathogenesis and therapy of inflammatory bowel diseases and colorectal cancer. Due to the species-specific differences in TLR9 expression, however, one must be careful in translating the animal model data into the human system, because of the differences between CpG-oligodeoxynucleotide-responsive cells. TLR9 agonist DNA-based immunomodulatory sequences could also represent a promising therapeutic alternative in systemic inflammatory conditions and chronic colonic inflammations as their side effects are not significant. | István Fri Ferenc Sipos Tiana M Germann Alexandra Kalmár Zsolt Tulassay Béla Molnár Gyrgyi Mzes | 2013 | World Journal of Gastroenterology2013,19,26: | 14 |
| 3 | Regulatory T cells in inflammatory bowel diseases and colorectal cancer显示文摘Regulatory T cells(T regs) are key elements in immunological self-tolerance.The number of T regs may alter in both peripheral blood and in colonic mucosa during pathological circumstances.The local cellular,microbiological and cytokine milieu affect immunophenotype and function of T regs.Forkhead box P3+ T regs function shows altered properties in inflammatory bowel diseases(IBDs).This alteration of T regs function can furthermore be observed between Crohn's disease and ulcerative colitis,which may have both clinical and therapeutical consequences.Chronic mucosal inflammation may also influence T regs function,which together with the intestinal bacterial flora seem to have a supporting role in colitis-associated colorectal carcinogenesis.T regs have a crucial role in the immunoevasion of cancer cells in sporadic colorectal cancer.Furthermore,their number and phenotype correlate closely with the clinical outcome of the disease,even if their contribution to carcinogenesis has previously been controversial.Despite knowledge of the clinical relationship between IBD and colitis-associated colon cancer,and the growing number of immunological aspects encompassing sporadic colorectal carcinogenesis,the molecular and cellular links amongst T regs,regulation of the inflammation,and cancer development are still not well understood.In this paper,we aimed to review the current data surrounding the role of T regs in the pathogenesis of IBD,colitis-associated colon cancer and sporadic colorectal cancer. | Gyrgyi Mzes Béla Molnár Ferenc Sipos | 2012 | World Journal of Gastroenterology2012,18,40: | 7 |
| 4 | Serrated pathway:Alternative route to colorectal cancer显示文摘Serrated polyps have been an area of intense focus for gastroenterologists over the past several years. Contrary to what was thought before,a growing body of literature indicates that these polyps can be precursors of colorectal cancer(CRC).Most of these lesions, particularly those in the proximal colon,have so far been under-recognized and missed during colonoscopy,qualifying these lesions to be the main cause of interval cancers.It is estimated that 10%-20%of CRCs evolve through this alternative,serrated pathway, with a distinct genetic and epigenetic profile.Aberrant DNA methylation plays a central role in the development of this CRC subtype.This characteristic molecular background is reflected in a unique pathological and clinical manifestation different from cancers arising via the traditional pathway.In this review we would like to highlight morphological,molecular and clinical features of this emerging pathway that are essential for gastroenterologists and may influence their everyday practice. | rpád V Patai Béla Molnár Zsolt Tulassay Ferenc Sipos | 2013 | World Journal of Gastroenterology2013,19,5: | 4 |
| 5 | Prophylactic transcatheter arterial embolization reduces rebleeding in non-variceal upper gastrointestinal bleeding: A meta-analysis显示文摘BACKGROUND Despite the improvement in the endoscopic hemostasis of non-variceal upper gastrointestinal bleeding(NVUGIB),rebleeding remains a major concern.AIM To assess the role of prophylactic transcatheter arterial embolization(PTAE)added to successful hemostatic treatment among NVUGIB patients.METHODS We searched three databases from inception through October 19th,2020.Randomized controlled trials(RCTs)and observational cohort studies were eligible.Studies compared patients with NVUGIB receiving PTAE to those who did not get PTAE.Investigated outcomes were rebleeding,mortality,reintervention,need for surgery and transfusion,length of hospital(LOH),and intensive care unit(ICU)stay.In the quantitative synthesis,odds ratios(ORs)and weighted mean differences(WMDs)were calculated with the random-effects model and interpreted with 95%confidence intervals(CIs).RESULTS We included a total of 3 RCTs and 9 observational studies with a total of 1329 patients,with 486 in the intervention group.PTAE was associated with lower odds of rebleeding(OR=0.48,95%CI:0.29–0.78).There was no difference in the 30-d mortality rates(OR=0.82,95%CI:0.39–1.72)between the PTAE and control groups.Patients who underwent PTAE treatment had a lower chance for reintervention(OR=0.48,95%CI:0.31–0.76)or rescue surgery(OR=0.35,95%CI:0.14–0.92).The LOH and ICU stay was shorter in the PTAE group,but the difference was non-significant[WMD=-3.77,95%CI:(-8.00)–0.45;WMD=-1.33,95%CI:(-2.84)–0.18,respectively].CONCLUSION PTAE is associated with lower odds of rebleeding and any reintervention in NVUGIB.However,further RCTs are needed to have a higher level of evidence. | Eszter Boros Zoltán Sipos Péter Hegyi Brigitta Teutsch Levente Frim Szilárd Váncsa Szabolcs Kiss FanniDembrovszky Eduard Oštarijaš Andrew Shawyer Bálint Erőss | 2021 | World Journal of Gastroenterology2021,27,40: | 2 |
| 6 | Elevated 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 | 2008 | Scandinavian Journal of Gastroenterology2008,,3: | 2 |
| 7 | Combretastatin A--4 prodrug inhibits growth of human non-small cell lung cancer in a murine xenotransplant model显示文摘 | Boehle AS Sipos B Kliche U | 2001 | Ann Thorac Surg2001,71,5: | 1 |
| 8 | Bioconversion ofindustrial hemp to ethanol and methane : The benefits ofsteam pretreatment and co- production 显示文摘 | Kreuger E Sipos B Zacchi G | 2011 | BioresourceTechnology2011,102,3: | 1 |
| 9 | Activation of Wnt signalling in stroma from pancreatic cancer identified by gene expression profiling 显示文摘 | Pilarsky C Ammerpohl O Sipos B | 2008 | J Cell Mol Med2008,12,6: | 1 |
| 10 | Optimizing interstitial delivery of BCNU from controlled release polymers for the treatment of brain tumors显示文摘 | Sipos EP Tyler B Piantadosi S | 1997 | Cancer Chemother Pharmacol1997,39,5: | 1 |
| 11 | Evaluation of malignant and benign gastric biopsy specimens by mRNA expression profile and multivariate statistical methods 显示文摘 | Galamb O Sipos F Molnar B | 2007 | Cytometry B Clinical Cytometry2007,72,5: | 1 |
| 12 | Autoimmune pancreatitis: pathological findings显示文摘 | Kloppel G Luttges J Sipos B | 2005 | JOP2005,6,: | 1 |
| 13 | Isolation of epsilon-haemoglobin-chain positive fetal cells with micromanipulation for prenatal diagnosis显示文摘 | Nagy GR Bán Z Sipos F | 2005 | Prenat Diagn2005,25,14: | 1 |
| 14 | Drug -induced expression of the cellular adhesion molecule LI CAM con-fers anti - apoptotic protection and chemoresistance in pancreaticductal adenocarcinoma cells显示文摘 | Sebens Mtierk6ster S Werbing V Sipos B Oncogene | 2007 | Cancer2007,26,19: | 1 |
| 15 | Psoriasin (S100A7) is a principal antimicrobial peptide of the human tongue显示文摘 | Meyer JE Harder J Sipos B | | 0,,03: | 1 |
| 16 | Expression of lymphangiogenic factors and evidence of intratu- moral lymphangiogenesis in pancreatic endocrine tumors 显示文摘 | Sipos B Klapper W Kruse ML | 2004 | Am J Pathol2004,165,4: | 1 |
| 17 | Optimizing interstitial delivery, of BCNU from controlled release polymers for the treatment of brain tumors 显示文摘 | SIPOS EP TYLER B PIANTADOSI S | 1997 | Cancer Chemother Pharmacol1997,39,: | 1 |
| 18 | PKCmu prevents CD95-mediated apoptosis and enhances proliferation in pancreatic tumour cells显示文摘 | Trauzold A Schmiedel S Sipos B | 2003 | Oncogene2003,22,55: | 1 |
| 19 | Expression of lymphangiogenic factors and evidence of intratumoral lymphangiogenesis in pancreatic endocrine tumors显示文摘 | Sipos B Klapper W Kruse ML | 2004 | Am J Pathol2004,165,4: | 1 |
| 20 | DGGE and T-RFLP analysis of bacterial succession during mushroo compost production and sequenceaided T RFLP profile of mature compost显示文摘 | Sz6kely A J Sipos R Berta B | 2009 | Microbial Ecology2009,57,3: | 1 |