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IBD-associated colorectal cancer

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https://www.readbyqxmd.com/read/29216349/developing-a-standard-set-of-patient-centred-outcomes-for-inflammatory-bowel-disease-an-international-cross-disciplinary-consensus
#1
Andrew H Kim, Charlotte Roberts, Brian G Feagan, Rupa Banerjee, Willem Bemelman, Keith Bodger, Marc Derieppe, Axel Dignass, Richard Driscoll, Ray Fitzpatrick, Janette Gaarentstroom-Lunt, Peter D Higgins, Paulo Gustavo Kotze, Jillian Meissner, Marian O'Connor, Zhi-Hua Ran, Corey A Siegel, Helen Terry, Welmoed K van Deen, C Janneke van der Woude, Alandra Weaver, Suk-Kyun Yang, Bruce E Sands, Séverine Vermeire, Simon Pl Travis
Background and Aims: Success in delivering value-based healthcare involves measuring outcomes that matter most to patients. Our aim was to develop a minimum Standard Set of patient-centred outcome measures for inflammatory bowel disease (IBD), for use in different healthcare settings. Methods: An international working group (n=25) representing patients, patient associations, gastroenterologists, surgeons, specialist nurses, IBD registries and patient-reported outcome measure (PROM) methodologists participated in a series of teleconferences incorporating a modified Delphi process...
December 5, 2017: Journal of Crohn's & Colitis
https://www.readbyqxmd.com/read/29203393/pyrin-inflammasome-regulates-tight-junction-integrity-to-restrict-colitis-and-tumorigenesis
#2
Deepika Sharma, Ankit Malik, Clifford S Guy, Rajendra Karki, Peter Vogel, Thirumala-Devi Kanneganti
BACKGROUND & AIMS: Inflammatory bowel diseases (IBD) increase risk for colorectal cancer. Mutations in the Mediterranean fever gene (MEFV or pyrin) are associated with hereditary autoinflammatory disease and severe IBD. Expression of MEFV, a sensor protein that the initiates assembly of the inflammasome complex, is increased in colon biopsies from patients with IBD. We investigated the role of pyrin in intestinal homeostasis in mice. METHODS: Mefv-/- mice and C57/BL6 mice (controls) were given azoxymethane followed by multiple rounds of dextran sodium sulfate (DSS) to induce colitis and tumorigenesis...
December 1, 2017: Gastroenterology
https://www.readbyqxmd.com/read/29189768/inflammatory-bowel-disease-adversely-impacts-colorectal-cancer-surgery-short-term-outcomes-and-health-care-resource-utilization
#3
Mitchell Ramsey, Somashekar G Krishna, Peter P Stanich, Syed Husain, Edward J Levine, Darwin Conwell, Alice Hinton, Cheng Zhang
OBJECTIVES: Inflammatory bowel disease (IBD) is associated with an increased risk of colorectal cancer (CRC) compared to patients without IBD. There is a lack of population-based data evaluating the in-patient surgical outcomes of CRC in IBD patients. We sought to compare the hospital outcomes of CRC surgery between patients with and without IBD. METHODS: We used the National Inpatient Sample (2008-2012) and Nationwide Readmissions Database (NRD, 2013) and selected all adult patients (age ≥18 years) with ulcerative colitis (UC) or Crohn's disease (CD) who underwent CRC surgery...
November 30, 2017: Clinical and Translational Gastroenterology
https://www.readbyqxmd.com/read/29154194/micrornas-in-intestinal-barrier-function-inflammatory-bowel-disease-and-related-cancers-their-effects-and-therapeutic-potentials
#4
REVIEW
Esmerina Tili, Jean-Jacques Michaille, Victoria Piurowski, Brooke Rigot, Carlo M Croce
The initiation and development or inflammatory bowel disease (IBD) and associated colorectal cancers, have been linked to inflammation. MicroRNAs are non-coding regulators of gene expression that have gained great attention due to their capability to regulate the expression of a number of target transcripts. It is now generally admitted that microRNAs are instrumental in gut pathologies, in particular through their targeting of transcripts encoding proteins of the intestinal barrier (IB) and their regulators...
November 15, 2017: Current Opinion in Pharmacology
https://www.readbyqxmd.com/read/29118756/th17-cell-and-epithelial-cell-crosstalk-during-inflammatory-bowel-disease-and-carcinogenesis
#5
REVIEW
Jan Kempski, Leonie Brockmann, Nicola Gagliani, Samuel Huber
The intestine is colonized by hundreds of different species of commensal bacteria, viruses, and fungi. Therefore, the intestinal immune system is constantly being challenged by foreign antigens. The immune system, the commensal microbiota, and the intestinal epithelial surface have to maintain a tight balance to guarantee defense against potential pathogens and to prevent chronic inflammatory conditions at the same time. Failure of these mechanisms can lead to a vicious cycle in which a perpetual tissue damage/repair process results in a pathological reorganization of the normal mucosal surface...
2017: Frontiers in Immunology
https://www.readbyqxmd.com/read/29081776/innate-lymphoid-cells-in-intestinal-inflammation
#6
REVIEW
Alessandra Geremia, Carolina V Arancibia-Cárcamo
Inflammatory bowel disease (IBD) is a chronic inflammatory disorder of the intestine that encompasses Crohn's disease (CD) and ulcerative colitis. The cause of IBD is unknown, but the evidence suggests that an aberrant immune response toward the commensal bacterial flora is responsible for disease in genetically susceptible individuals. Results from animal models of colitis and human studies indicate a role for innate lymphoid cells (ILC) in the pathogenesis of chronic intestinal inflammation in IBD. ILC are a population of lymphocytes that are enriched at mucosal sites, where they play a protective role against pathogens including extracellular bacteria, helminthes, and viruses...
2017: Frontiers in Immunology
https://www.readbyqxmd.com/read/29078383/quantitative-proteomics-identifies-steap4-as-a-critical-regulator-of-mitochondrial-dysfunction-linking-inflammation-and-colon-cancer
#7
Xiang Xue, Bryce X Bredell, Erik R Anderson, Angelical Martin, Christopher Mays, Hiroko Nagao-Kitamoto, Sha Huang, Balázs Győrffy, Joel K Greenson, Karin Hardiman, Jason R Spence, Nobuhiko Kamada, Yatrik M Shah
Inflammatory bowel disease (IBD) is a chronic inflammatory disorder and is a major risk factor for colorectal cancer (CRC). Hypoxia is a feature of IBD and modulates cellular and mitochondrial metabolism. However, the role of hypoxic metabolism in IBD is unclear. Because mitochondrial dysfunction is an early hallmark of hypoxia and inflammation, an unbiased proteomics approach was used to assess the mitochondria in a mouse model of colitis. Through this analysis, we identified a ferrireductase: six-transmembrane epithelial antigen of prostate 4 (STEAP4) was highly induced in mouse models of colitis and in IBD patients...
November 7, 2017: Proceedings of the National Academy of Sciences of the United States of America
https://www.readbyqxmd.com/read/29072418/colitis-associated-colorectal-cancer-in-patients-with-inflammatory-bowel-disease
#8
Se-Jin Baek, Seon-Hahn Kim
Colitis-associated colorectal cancer (CACRC) is a major concern in patients with long-standing inflammatory bowel disease (IBD). CACRC can develop under the influence of several risk factors including longer duration and disease extent and shows clinical and molecular features different from those of sporadic CRC. Several academic societies have recommended surveillance guidelines for CACRC that develops in IBD patients. Patients are stratified according to risk for CRC and differentiated by surveillance colonoscopy and management...
December 2017: Minerva Chirurgica
https://www.readbyqxmd.com/read/29027468/serrated-polyposis-syndrome-associated-with-long-standing-inflammatory-bowel-disease
#9
Jesús Castro, Miriam Cuatrecasas, Francesc Balaguer, Elena Ricart, María Pellisé
Inflammatory bowel disease (IBD) patients are at an increased risk of developing colorectal cancer (CRC), which is thought to develop via the adenoma-carcinoma pathway. Since the discovery of the serrated carcinogenesis pathway and serrated polyposis syndrome (SPS), the incidence of carcinomas arising from serrated lesions in IBD patients has increased. We report three cases of long-standing IBD patients with associated serrated polyposis syndrome. At present, the pathophysiology of serrated lesions in IBD patients is not fully understood and there is a lack of strong evidence to confirm whether the manifestation of both conditions represents an increased risk of developing cancer...
November 2017: Revista Española de Enfermedades Digestivas
https://www.readbyqxmd.com/read/28983289/dietary-heme-induces-gut-dysbiosis-aggravates-colitis-and-potentiates-the-development-of-adenomas-in-mice
#10
Marco Constante, Gabriela Fragoso, Annie Calvé, Macha Samba-Mondonga, Manuela M Santos
Dietary heme can be used by colonic bacteria equipped with heme-uptake systems as a growth factor and thereby impact on the microbial community structure. The impact of heme on the gut microbiota composition may be particularly pertinent in chronic inflammation such as in inflammatory bowel disease (IBD), where a strong association with gut dysbiosis has been consistently reported. In this study we investigated the influence of dietary heme on the gut microbiota and inferred metagenomic composition, and on chemically induced colitis and colitis-associated adenoma development in mice...
2017: Frontiers in Microbiology
https://www.readbyqxmd.com/read/28961577/predictors-of-no-show-rate-in-the-gi-endoscopy-suite-at-a-safety-net-academic-medical-center
#11
Asim Shuja, Ciel Harris, Petra Aldridge, Miguel Malespin, Silvio W de Melo
BACKGROUND/OBJECTIVES: Noncompliance with physician and procedure appointments is associated with poor disease control and worse disease outcomes. This also impacts the quality of care, decreases efficiency, and affects revenue. Studies have shown that no-show rates are higher in clinics caring for underserved populations and may contribute to poorer health outcomes in this group. METHODS: We performed a 17-month retrospective observational cohort study of patients scheduled for outpatient procedures in the Gastroenterology endoscopy suite at the University of Florida Health, Jacksonville...
September 28, 2017: Journal of Clinical Gastroenterology
https://www.readbyqxmd.com/read/28960206/mir-148a-inhibits-colitis-and-colitis-associated-tumorigenesis-in-mice
#12
Yahui Zhu, Li Gu, Yajun Li, Xi Lin, Hongxing Shen, Kaisa Cui, Li Chen, Feng Zhou, Qiu Zhao, Jinxiang Zhang, Bo Zhong, Edward Prochownik, Youjun Li
miR-148a has been shown to regulate inflammation, immunity and the growth of certain tumors, but its roles in colitis and colorectal tumorigenesis remain largely undetermined. Here we found miR-148a-deficient mice to be more susceptible to colitis and colitis-associated tumorigenesis. Both were associated with increased nuclear factor κB (NF-κB) and signal transducer and activator of transcription 3 (STAT3) signaling. Bone marrow- and non-bone marrow-derived miR-148a contributed to colitis and colitis-associated tumorigenesis...
December 2017: Cell Death and Differentiation
https://www.readbyqxmd.com/read/28947877/crosstalk-between-mesenchymal-stem-cells-and-macrophages-in-inflammatory-bowel-disease-and-associated-colorectal-cancer
#13
Fei Mao, Jing-Jing Kang, Xiu Cai, Ning-Feng Ding, Yun-Bing Wu, Yong-Min Yan, Hui Qian, Xu Zhang, Wen-Rong Xu
Mesenchymal stem cells (MSCs) are attractive seed cells for immunotherapy, tissue engineering and regenerative medicine due to their self-renewal and multidirectional differentiation abilities, diverse immunoregulatory functions and ease of isolation from a wide range of tissues. MSCs exert their immunoregulatory effect on immune cells via cell-to-cell contact and paracrine mechanisms. In turn, MSCs can also be modulated by immune cells. Macrophages are constantly present in the mucosa of the intestinal tract of mammals and play an important role in the development and progression of inflammatory bowel disease (IBD), a chronic and recurrent inflammatory disease of the gastrointestinal tract characterized by idiopathic mucosal inflammation...
2017: Contemporary Oncology Współczesna Onkologia
https://www.readbyqxmd.com/read/28946660/molecular-mechanisms-and-pathways-as-targets-for-cancer-prevention-and-progression-with-dietary-compounds
#14
REVIEW
Nagisa Nosrati, Marica Bakovic, Gopinadhan Paliyath
A unique feature of bioactive food ingredients is their broad antioxidant function. Antioxidants having a wide spectrum of chemical structure and activity beyond basic nutrition; display different health benefits by the prevention and progression of chronic diseases. Functional food components are capable of enhancing the natural antioxidant defense system by scavenging reactive oxygen and nitrogen species, protecting and repairing DNA damage, as well as modulating the signal transduction pathways and gene expression...
September 25, 2017: International Journal of Molecular Sciences
https://www.readbyqxmd.com/read/28940253/pbrm1-restricts-the-basal-activity-of-innate-immune-system-through-repressing-rig-i-like-receptor-signaling-and-is-a-potential-prognostic-biomarker-for-colon-cancer
#15
Xing-Sheng Shu, Yingying Zhao, Yanmei Sun, Lan Zhong, Yingduan Cheng, Yixiang Zhang, Kaile Ning, Qian Tao, Yejun Wang, Ying Ying
It has long been known that patients suffering from inflammatory bowel disease (IBD) have an increased risk of developing colorectal cancer (CRC). The innate immune system of host cells provides a first-line defence against pathogenic infection, whereas uncontrolled inflammatory response under homeostatic conditions usually leads to pathological consequences, as exemplified by the chronic inflammation of IBD. The key molecules and pathways keeping innate immunity in check are still poorly defined. Here, we report that chromatin remodeler polybromo-1 (PBRM1) is a repressor of innate immune signaling mediated by RIG-I-like receptors (RLRs)...
September 20, 2017: Journal of Pathology
https://www.readbyqxmd.com/read/28938014/intestinal-helminth-infection-drives-carcinogenesis-in-colitis-associated-colon-cancer
#16
Eva Pastille, Annika Frede, Henry J McSorley, Jessica Gräb, Alexandra Adamczyk, Sebastian Kollenda, Wiebke Hansen, Matthias Epple, Jan Buer, Rick M Maizels, Robert Klopfleisch, Astrid M Westendorf
Inflammatory bowel diseases (IBD) are chronic inflammatory disorders of the gastrointestinal tract, strongly associated with an increased risk of colorectal cancer development. Parasitic infections caused by helminths have been shown to modulate the host's immune response by releasing immunomodulatory molecules and inducing regulatory T cells (Tregs). This immunosuppressive state provoked in the host has been considered as a novel and promising approach to treat IBD patients and alleviate acute intestinal inflammation...
September 2017: PLoS Pathogens
https://www.readbyqxmd.com/read/28922695/strategies-for-detecting-colon-cancer-in-patients-with-inflammatory-bowel-disease
#17
REVIEW
William A Bye, Tran M Nguyen, Claire E Parker, Vipul Jairath, James E East
BACKGROUND: Patients with longstanding ulcerative colitis and colonic Crohn's disease have an increased risk of colorectal cancer (CRC) compared with the general population. This review assessed the evidence that endoscopic surveillance may prolong life by allowing earlier detection of CRC or its pre-cursor lesion, dysplasia, in patients with inflammatory bowel disease (IBD). OBJECTIVES: To assess the effectiveness of cancer surveillance programs for diagnosis of IBD-associated colorectal cancer and in reducing the mortality rate from colorectal cancer in patients with IBD...
September 18, 2017: Cochrane Database of Systematic Reviews
https://www.readbyqxmd.com/read/28914591/mucosa-associated-microbiota-dysbiosis-in-colitis-associated-cancer
#18
Mathias L Richard, Giuseppina Liguori, Bruno Lamas, Giovanni Brandi, Gregory da Costa, Thomas W Hoffmann, Massimo Pierluigi Di Simone, Carlo Calabrese, Gilberto Poggioli, Philippe Langella, Massimo Campieri, Harry Sokol
Gut microbiota dysbiosis has been associated with inflammatory bowel diseases (IBD). In colorectal cancer, the gut microbiota has also been recognized as potentially involved in aggravating or favoring the tumor development. However, very little is known on the structure and role of the microbiota in colitis associated cancer (CAC), an important complication of IBD in human. Here we analyzed the bacterial and fungal composition of the mucosa associated microbiota of patients suffering CAC, sporadic cancer (SC) and of healthy subjects (HS) by barcode sequences analysis on the following cohort: 7 CAC patients, 10 SC patients and 10 HS using 16S (MiSeq) and ITS2 (pyrosequencing) sequencing, for bacteria and fungi respectively...
September 15, 2017: Gut Microbes
https://www.readbyqxmd.com/read/28879209/colorectal-cancer-associated-with-strongyloides-stercoralis-colitis
#19
Carmine Catalano, Joshua Aron, Raghav Bansal, Anatoly Leytin
Strongyloides stercoralis colitis is a severe but easily curable disease with a high mortality rate if left untreated. Strongyloidiasis can persist up to several decades and may lead to a chronic colitis similar to that seen in inflammatory bowel disease (IBD), and the two are often confused. Chronic colitis from IBD is associated with an increased risk of colorectal cancer, so it is plausible that chronic colitis from strongyloidiasis may carry a similar risk. Our case report associates chronic Strongyloides colitis and colorectal cancer...
2017: ACG Case Reports Journal
https://www.readbyqxmd.com/read/28877044/novel-insights-into-microbiome-in-colitis-and-colorectal-cancer
#20
Ye Yang, Christian Jobin
PURPOSE OF REVIEW: Microbiota is a major player in the pathogenesis of inflammatory bowel diseases (IBD) and colorectal cancer (CRC). Here, we summarize the key advances achieved in the past 18 months (ending June 2017) toward a better understanding of the role of microbiota in colitis and CRC development. RECENT FINDINGS: Accumulating evidence shows the essential role of intestinal barrier function (e.g. mucus, IgA, LCN2, LYPD8) in protecting against bacteria-induced inflammation and tumor development...
November 2017: Current Opinion in Gastroenterology
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