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IBD-associated colorectal cancer

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https://www.readbyqxmd.com/read/29688465/low-incidence-of-dysplasia-and-colorectal-cancer-observed-among-inflammatory-bowel-disease-patients-with-prolonged-colonic-diversion
#1
Weston Bettner, Anthony Rizzo, Steven Brant, Sharon Dudley-Brown, Jonathan Efron, Sandy Fang, Susan Gearhart, Michael Marohn, Alyssa Parian, Maryam Kherad Pezhouh, Joanna Melia, Bashar Safar, Brindusa Truta, Elizabeth Wick, Mark Lazarev
Background: In inflammatory bowel disease (IBD), many scenarios call for fecal diversion, leaving behind defunctionalized bowel. The theoretical risk of colorectal cancer (CRC) in this segment is frequently cited as a reason for resection. To date, no studies have characterized the incidence of neoplasia in the diverted colorectal segments of IBD patients. Methods: A retrospective cohort analysis was conducted for IBD patients identified through a tertiary care center pathology database...
April 23, 2018: Inflammatory Bowel Diseases
https://www.readbyqxmd.com/read/29675590/oncological-outcomes-of-ibd-associated-versus-sporadic-colorectal-cancer-in-modern-era-a-matched-case-control-study
#2
Antoine Thicoïpé, David Laharie, Denis Smith, Edouard Chabrun, Anne Rullier, Florian Poullenot, Eric Rullier, Quentin Denost
AIM: Inflammatory bowel diseases (IBD) are associated with an increased risk for colorectal cancer (CRC). However and despite significant advances in the management of IBD and CRC, the prognosis of IBD-related CRC (IBD-CRC) remains controversial. The aim of the present case-control study was to compare the prognosis of IBD-CRC to sporadic CRC. METHODS: Consecutive patients operated for IBD-CRC from 2004 to 2014 were recruited and matched with sporadic CRC (ratio 3:1) from the same center...
April 19, 2018: International Journal of Colorectal Disease
https://www.readbyqxmd.com/read/29573336/the-impact-of-klebsiella-pneumoniae-in-lower-gastrointestinal-tract-diseases
#3
REVIEW
Christina Parvinder Kaur, Jamuna Vadivelu, Samudi Chandramathi
The 2016 Global Burden of Disease report by WHO revealed that diseases of the gastrointestinal tract had one of the highest incidence rates worldwide. The plethora of factors that contribute to the development of gastrointestinal tract (GIT) related illnesses can be divided into genetic, environmental and lifestyle factors. Apart from that, the role that infectious agents play in the development of GIT diseases has piqued the interest of researchers worldwide. The human gut harbours approximately 101 to 1012 cfu/ml bacteria in it with increasing concentration towards the lower GIT...
March 24, 2018: Journal of Digestive Diseases
https://www.readbyqxmd.com/read/29563038/clinical-manifestations-pathophysiology-treatment-and-outcome-of-inflammatory-bowel-diseases-in-older-people
#4
REVIEW
Matthias Butter, Stefan Weiler, Luc Biedermann, Michael Scharl, Gerhard Rogler, Heike A Bischoff-Ferrari, Benjamin Misselwitz
Approximately 10-20% of inflammatory bowel disease (IBD) cases are diagnosed after 60 years of age. Due to the high prevalence of conditions mimicking IBD at older age - including bowel disease associated with non-steroidal anti-inflammatory drugs, diverticulitis, and microscopic colitis - differential diagnosis of IBD among older adults is frequently delayed. Late-onset IBD is characterized by a predominance of colonic disease and an overall milder disease course; disease progression and new intestinal manifestations are rare...
April 2018: Maturitas
https://www.readbyqxmd.com/read/29560130/stromal-mir-20a-controls-paracrine-cxcl8-secretion-in-colitis-and-colon-cancer
#5
Steven A Signs, Robert C Fisher, Uyen Tran, Susmita Chakrabarti, Samaneh K Sarvestani, Shao Xiang, David Liska, Veronique Roche, Wei Lai, Haley R Gittleman, Oliver Wessely, Emina H Huang
Inflammatory bowel disease (IBD) affects one million people in the US. Ulcerative colitis (UC) is a subtype of IBD that can lead to colitis-associated cancer (CAC). In UC, the rate of CAC is 3-5-fold greater than the rate of sporadic colorectal cancer (CRC). The pathogenesis of UC and CAC are due to aberrant interactions between host immune system and microenvironment, but precise mechanisms are still unknown. In colitis and CAC, microenvironmental fibroblasts exhibit an activated, inflammatory phenotype that contributes to tumorigenesis accompanied by excessive secretion of the chemokine CXCL8...
February 27, 2018: Oncotarget
https://www.readbyqxmd.com/read/29522170/malignancy-and-mortality-in-pediatric-onset-inflammatory-bowel-disease-a-systematic-review
#6
Martine A Aardoom, Maria E Linda Joosse, Andrica C H de Vries, Arie Levine, Lissy de Ridder
Background: Cancer and death are the most severe outcomes that affect patients with inflammatory bowel disease (IBD). These outcomes are even more severe if they occur at a young age but are rare, even in the general population. We conducted a systematic review to provide an overview of all reported pediatric (PIBD) patients with severe outcome. Methods: A literature search identified publications that reported development of cancer or fatal outcome in PIBD patients...
March 7, 2018: Inflammatory Bowel Diseases
https://www.readbyqxmd.com/read/29498404/deleted-in-malignant-brain-tumor-1-is-a-novel-prognostic-marker-in-colorectal-cancer
#7
Heae Surng Park, Byung Chang Kim, Hyun Yang Yeo, Kyung-Hee Kim, Byong Chul Yoo, Ji Won Park, Hee Jin Chang
The gene deleted in malignant brain tumor 1 (DMBT1) encoding a large scavenger receptor cysteine-rich protein was originally identified based on its deletion in a brain tumor cell line. The DMBT1 protein is involved in mucosal immune defense, epithelial differentiation and tumor suppression. In the present study, the clinicopathologic significance of DMBT1 protein expression in stool and tissue samples of colorectal cancer (CRC) patients was evaluated. Western blot analysis of fecal DMBT1 was performed for patients with CRC (n=177), colorectal adenoma (n=61), inflammatory bowel diseases (IBDs; n=54) and healthy individuals as the control group (n=151)...
March 1, 2018: Oncology Reports
https://www.readbyqxmd.com/read/29467549/glucose-transporter-expression-in-the-human-colon
#8
Flavia Merigo, Alessandro Brandolese, Sonia Facchin, Silvia Missaggia, Paolo Bernardi, Federico Boschi, Renata D'Incà, Edoardo Vincenzo Savarino, Andrea Sbarbati, Giacomo Carlo Sturniolo
AIM: To investigate by immunostaining glucose transporter expression in human colorectal mucosa in controls and patients with inflammatory bowel disease (IBD). METHODS: Colorectal samples were obtained from patients undergoing lower endoscopic colonoscopy or recto-sigmoidoscopy. Patients diagnosed with ulcerative colitis ( n = 18) or Crohn's disease ( n = 10) and scheduled for diagnostic colonoscopy were enrolled. Patients who underwent colonoscopy for prevention screening of colorectal cancer or were followed-up after polypectomy or had a history of lower gastrointestinal symptoms were designated as the control group (CTRL, n = 16)...
February 21, 2018: World Journal of Gastroenterology: WJG
https://www.readbyqxmd.com/read/29420429/elevated-venous-thromboembolism-risk-following-colectomy-for-ibd-is-equal-to-those-for-colorectal-cancer-for-ninety-days-after-surgery
#9
Fadwa Ali, Sadeer G Al-Kindi, Jacqueline J Blank, Carrie Y Peterson, Kirk A Ludwig, Timothy J Ridolfi
BACKGROUND: The risk of postoperative venous thromboembolism is high in patients with colon cancer and IBD. Although The American Society of Colon and Rectal Surgeons suggests posthospital prophylaxis after surgery in patients with colon cancer, there are no such recommendations for patients with IBD. OBJECTIVE: This study aims to analyze the incidence and risk factors for postoperative venous thromboembolism. DESIGN: This was a retrospective review using the Explorys platform...
March 2018: Diseases of the Colon and Rectum
https://www.readbyqxmd.com/read/29416921/inhibition-of-rac-family-protein-impairs-colitis-and-colitis-associated-cancer-in-mice
#10
Yandong Guo, Jing Xiong, Jing Wang, Jing Wen, Fachao Zhi
The prevalence of inflammatory bowel disease (IBD) has increased worldwide and IBD has been demonstrated to promote the development of colorectal cancer. The Rac family of proteins are involved in key mitogenic pathways. However, to the best of our knowledge, no prior studies have investigated the expression and role of Rac on colitis and colitis-associated cancer (CAC). In the current study, Rac expression in patients with colitis was analyzed according to the expression value from NCBI GEO database (GDS3268)...
2018: American Journal of Cancer Research
https://www.readbyqxmd.com/read/29416670/genomic-landscape-of-colitis-associated-cancer-indicates-the-impact-of-chronic-inflammation-and-its-stratification-by-mutations-in-the-wnt-signaling
#11
Masashi Fujita, Nagahide Matsubara, Ikuo Matsuda, Kazuhiro Maejima, Ayako Oosawa, Tomoki Yamano, Akihiro Fujimoto, Mayuko Furuta, Kaoru Nakano, Aya Oku-Sasaki, Hiroko Tanaka, Yuichi Shiraishi, Raúl Nicolás Mateos, Kenta Nakai, Satoru Miyano, Naohiro Tomita, Seiichi Hirota, Hiroki Ikeuchi, Hidewaki Nakagawa
Inflammatory bowel disease (IBD) increases the risk of colorectal cancer, known as colitis-associated cancer (CAC). It is still unclear what driver mutations are caused by chronic inflammation and lead to CAC development. To get insight into this issue, we investigated somatic alterations in CAC. We performed exome sequencing of 22 fresh CACs and targeted sequencing of 43 genes on 90 archive specimens from Japanese CAC patients, of which 58 were ulcerative colitis (UC) and 32 were Crohn's disease (CD). Consistently with the previous reports, TP53 was commonly mutated (66%) whereas APC, KRAS and SMAD4 were mutated less frequently (16%, 11% and 11%, respectively)...
January 2, 2018: Oncotarget
https://www.readbyqxmd.com/read/29378311/high-risk-of-advanced-colorectal-neoplasia-in-patients-with-primary-sclerosing-cholangitis-associated-with-inflammatory-bowel-disease
#12
Shailja C Shah, Joren R Ten Hove, Daniel Castaneda, Carolina Palmela, Erik Mooiweer, Jean-Frédéric Colombel, Noam Harpaz, Thomas A Ullman, Ad A van Bodegraven, Jeroen M Jansen, Nofel Mahmmod, Andrea E van der Meulen-de Jong, Cyriel Y Ponsioen, Christine J van der Woude, Bas Oldenburg, Steven H Itzkowitz, Joana Torres
BACKGROUND & AIMS: Patients with inflammatory bowel disease (IBD) and primary sclerosing cholangitis (PSC, termed PSC-IBD) are at increased risk for colorectal cancer, but their risk following a diagnosis of low-grade dysplasia (LGD) is not well described. We aimed to determine the rate of advanced colorectal neoplasia (aCRN), defined as high-grade dysplasia and/or colorectal cancer, following a diagnosis of indefinite dysplasia or LGD in this population. METHODS: We performed a retrospective, longitudinal study of 1911 patients with colonic IBD (293 with PSC and 1618 without PSC) who underwent more than 2 surveillance colonoscopies from 2000 through 2015 in The Netherlands or the United States (9265 patient-years of follow-up evaluation)...
March 14, 2018: Clinical Gastroenterology and Hepatology
https://www.readbyqxmd.com/read/29378308/symptoms-do-not-correlate-with-findings-from-colonoscopy-in-children-with-inflammatory-bowel-disease-and-primary-sclerosing-cholangitis
#13
Amanda Ricciuto, Jennifer Fish, Nicholas Carman, Thomas D Walters, Peter C Church, Bettina E Hansen, Eileen Crowley, Iram Siddiqui, Geoffrey C Nguyen, Binita M Kamath, Anne M Griffiths
BACKGROUND & AIMS: Approximately 75% of children with primary sclerosing cholangitis (PSC) also have inflammatory bowel disease (IBD). IBD in patients with PSC (PSC-IBD) often has a unique phenotype, including a mild clinical course, yet it is associated with an increased risk of colorectal cancer compared with colonic IBD without PSC. We investigated whether subclinical endoscopic and histologic inflammation could account for the increased risk of colorectal cancer in patients with PSC-IBD, and whether these patients have increased fecal levels of calprotectin, a marker of inflammation...
March 24, 2018: Clinical Gastroenterology and Hepatology
https://www.readbyqxmd.com/read/29370346/reduced-risk-of-inflammatory-bowel-disease-associated-colorectal-neoplasia-with-use-of-thiopurines-a-systematic-review-and-meta-analysis
#14
Zhehui Zhu, Zubing Mei, Yuegui Guo, Guanghui Wang, Tingyu Wu, Ximao Cui, Zhenyu Huang, Yilian Zhu, Dongpeng Wen, Jinlve Song, Hailan He, Weimin Xu, Long Cui, Chenying Liu
Background & Aims: The association between thiopurines and colorectal neoplasia risk remains controversial in inflammatory bowel disease (IBD) patients. We performed a systematic review and meta-analysis examining this association. Methods: A comprehensive search of the PubMed, EMBASE and Cochrane Library databases was performed to identify relevant literature. Random-effects models were applied to calculate the pooled odds ratio (OR) and relative risk (RR) with corresponding 95% confidence intervals (CIs) among case-control and cohort studies, respectively...
January 23, 2018: Journal of Crohn's & Colitis
https://www.readbyqxmd.com/read/29361103/reviewing-the-risk-of-colorectal-cancer-in-inflammatory-bowel-disease-after-liver-trasnplantation-for-primary-sclerosing-cholangitis
#15
Bhavana Bhagya Rao, Bret Lashner, Kris V Kowdley
The presence of concomitant primary sclerosing cholangitis (PSC) with inflammatory bowel disease (IBD) represents a distinct disease phenotype that carries a higher risk of colorectal cancer (CRC) than the average IBD patient. Given that liver transplantation (LT) is the only treatment that offers a survival benefit in PSC patients with hepatic dysfunction, management decisions in IBD patients' post-LT for PSC are frequently encountered. One such consideration is the risk of CRC in this immunosuppressed cohort...
January 18, 2018: Inflammatory Bowel Diseases
https://www.readbyqxmd.com/read/29359823/detection-and-characterization-of-colitis-associated-cancer-dysplasia-based-on-reports-from-the-jddw2017-and-meta-analyses-of-prospective-studies-concerning-endoscopic-procedure
#16
EDITORIAL
Mikihiro Fujiya
Inflammatory bowel disease (IBD) is a major risk factor for colorectal cancer. Surveillance colonoscopy is presumably important for the early detection of colitis-associated cancer/dysplasia (CC/Ds). However, it is not easy to detect certain lesions in the inflamed mucosa using white-light endoscopy (WLE), even during the remission phase. Therefore, WLE with random biopsies has been the traditional approach for dysplasia detection. Recent advances in endoscopic technologies, including high-definition endoscopy and image-enhanced endoscopy, have improved the visibility of dysplastic lesions, suggesting that novel endoscopic procedures with a target biopsy are suitable for the surveillance of CC/Ds[1]...
January 23, 2018: Digestive Endoscopy: Official Journal of the Japan Gastroenterological Endoscopy Society
https://www.readbyqxmd.com/read/29322404/in-vivo-models-of-inflammatory-bowel-disease-and-colitis-associated-cancer
#17
Ka Yee Fung, Tracy Putoczki
A single layer of epithelial cells separates luminal antigens from the host immune system throughout the gastrointestinal tract. A breakdown in the integrity of the epithelial barrier can lead to chronic inflammation, which is associated with numerous complications including cancer. Here we describe three experimental protocols to chemically induce acute and chronic inflammatory bowel disease (IBD) symptoms and colitis-associated colorectal cancer (CRC) progression. These in vivo mouse models are based on the induction of damage to the colonic epithelium, resulting in an inflammatory and wound healing response...
2018: Methods in Molecular Biology
https://www.readbyqxmd.com/read/29294595/should-asymptomatic-young-men-with-iron-deficiency-anemia-necessarily-undergo-endoscopy
#18
Nam Hee Kim, Jung Ho Park, Dong Il Park, Chong Il Sohn, Kyuyong Choi, Yoon Suk Jung
Background/Aims: There has been no evidence for the necessity of endoscopy in asymptomatic young men with iron deficiency anemia (IDA). To determine whether endoscopy should be recommended in asymptomatic young men with IDA, we compared the prevalence of gastrointestinal (GI) lesions between young men (< 50 years) with IDA and those without IDA. Methods: We conducted a case-control study on asymptomatic young men aged < 50 years who underwent both esophagogastroduodenoscopy (EGD) and colonoscopy as part of a health checkup between 2010 and 2014...
January 5, 2018: Korean Journal of Internal Medicine
https://www.readbyqxmd.com/read/29275959/mtorc1-inactivation-promotes-colitis-induced-colorectal-cancer-but-protects-from-apc-loss-dependent-tumorigenesis
#19
Marta Brandt, Tatiana P Grazioso, Mohamad-Ali Fawal, Krishna S Tummala, Raul Torres-Ruiz, Sandra Rodriguez-Perales, Cristian Perna, Nabil Djouder
Dietary habits that can induce inflammatory bowel disease (IBD) are major colorectal cancer (CRC) risk factors, but mechanisms linking nutrients, IBD, and CRC are unknown. Using human data and mouse models, we show that mTORC1 inactivation-induced chromosomal instability impairs intestinal crypt proliferation and regeneration, CDK4/6 dependently. This triggers interleukin (IL)-6-associated reparative inflammation, inducing crypt hyper-proliferation, wound healing, and CRC. Blocking IL-6 signaling or reactivating mTORC1 reduces inflammation-induced CRC, so mTORC1 activation suppresses tumorigenesis in IBD...
January 9, 2018: Cell Metabolism
https://www.readbyqxmd.com/read/29216349/developing-a-standard-set-of-patient-centred-outcomes-for-inflammatory-bowel-disease-an-international-cross-disciplinary-consensus
#20
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...
March 28, 2018: Journal of Crohn's & Colitis
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