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colorectal cancer, inflammatory bowel disease.

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https://www.readbyqxmd.com/read/29781837/recommendations-on-rectal-surveillance-for-colorectal-cancer-after-subtotal-colectomy-in-patients-with-inflammatory-bowel-disease
#1
Lauranne A A P Derikx, Michiel E de Jong, Frank Hoentjen
Approximately 30% of patients with ulcerative colitis require a colectomy during their disease course. This substantially reduces colorectal cancer risk, although it is still possible to develop colorectal neoplasia in the remaining rectum. Although clear and well-accepted surveillance guidelines exist for patients with inflammatory bowel disease with an intact colon, specific surveillance recommendations following colectomy are less clear. Here, we aim to summarize the prevalence, incidence, and risk factors for developing colorectal cancer in patients with inflammatory bowel disease who underwent subtotal colectomy with a permanent end ileostomy and rectal stump, or with ileorectal anastomosis...
May 17, 2018: European Journal of Gastroenterology & Hepatology
https://www.readbyqxmd.com/read/29780595/early-detection-of-ulcerative-colitis-associated-colorectal-cancer
#2
REVIEW
Yu Zhen, Chengxin Luo, Hu Zhang
Colitis-associated colorectal cancer (CACC) is one of the most serious complications of inflammatory bowel disease (IBD), particularly in ulcerative colitis (UC); it accounts for approximately 15% of all-causes mortality among IBD patients. Because CACC shows a worse prognosis and higher mortality than sporadic colorectal cancer, early detection is critical. Colonoscopy is primarily recommended for surveillance and several advanced endoscopic imaging techniques are emerging. In addition, recent studies have reported on attempts to develop clinically relevant biomarkers for surveillance using various biosamples, which may become high-performance screening tools in the future, so the best approach and technique for cancer surveillance in long-standing UC patients remain under debate...
May 2018: Gastroenterology Report
https://www.readbyqxmd.com/read/29778465/roles-for-selenium-and-selenoprotein-p-in-the-development-progression-and-prevention-of-intestinal-disease
#3
REVIEW
Sarah P Short, Jennifer M Pilat, Christopher S Williams
Selenium (Se) is a micronutrient essential to human health, the function of which is mediated in part by incorporation into a class of proteins known as selenoproteins (SePs). As many SePs serve antioxidant functions, Se has long been postulated to protect against inflammation and cancer development in the gut by attenuating oxidative stress. Indeed, numerous studies over the years have correlated Se levels with incidence and severity of intestinal diseases such as inflammatory bowel disease (IBD) and colorectal cancer (CRC)...
May 17, 2018: Free Radical Biology & Medicine
https://www.readbyqxmd.com/read/29775793/analysis-of-dna-methylation-at-specific-loci-in-stool-samples-detects-colorectal-cancer-and-high-grade-dysplasia-in-patients-with-inflammatory-bowel-disease
#4
John B Kisiel, Pasquale Klepp, Hatim T Allawi, William R Taylor, Maria Giakoumopoulos, Tamara Sander, Tracy C Yab, Bjorn A Moum, Graham P Lidgard, Stephan Brackmann, Douglas W Mahoney, Arne Roseth, David A Ahlquist
BACKGROUND & AIMS: Patients with inflammatory bowel diseases (IBD), including ulcerative colitis (UC) and Crohn's disease (CD), are at increased risk for colorectal cancer (CRC). Analyses of DNA methylation patterns in stool samples have been reported to detect CRC in patients with IBD. We sought to validate these findings in larger cohorts and assess the accuracy of analysis of DNA methylation patterns in stool for detection of CRC and high-grade dysplasia (HGD) normalized to methylation level at ZDHHC1...
May 15, 2018: Clinical Gastroenterology and Hepatology
https://www.readbyqxmd.com/read/29772067/dna-content-analysis-of-colorectal-serrated-lesions-detects-an-aneuploid-subset-of-inflammatory-bowel-disease-associated-serrated-epithelial-change-and-traditional-serrated-adenomas
#5
Won-Tak Choi, Kwun Wah Wen, Peter S Rabinovitch, Danning Huang, Aras N Mattis, Ryan M Gill
AIMS: Serrated lesions (SLs), including sessile serrated adenoma (SSA) and traditional serrated adenoma (TSA), are important premalignant lesions for colorectal cancer (CRC). Although a small subset of SLs are known to harbor TP53 mutations and Wnt/β-catenin pathway activation, suggesting that they may develop dysplasia or CRC via a 'chromosomal instability (CIN)-like' pathway, it is unclear if aneuploidy (characteristic of conventional adenoma) ever develops in SLs and is associated with development of dysplasia or CRC, in this context...
May 17, 2018: Histopathology
https://www.readbyqxmd.com/read/29771698/updates-in-colorectal-cancer-screening-in-inflammatory-bowel-disease
#6
William T Clarke, Joseph D Feuerstein
PURPOSE OF REVIEW: This review article will discuss the risk of colorectal cancer (CRC) in patients with inflammatory bowel disease (IBD), as well as the current recommendations for CRC screening and surveillance in patients with ulcerative colitis or Crohn's colitis involving one-third of the colon. RECENT FINDINGS: Given that most cases of CRC are thought to arise from dysplasia, previous guidelines have recommended endoscopic surveillance with random biopsies obtained from all segments of the colon...
May 15, 2018: Current Opinion in Gastroenterology
https://www.readbyqxmd.com/read/29763380/angiogenin-and-the-mmp9-timp2-axis-are-up-regulated-in-proangiogenic-decidual-nk-like-cells-from-patients-with-colorectal-cancer
#7
Antonino Bruno, Barbara Bassani, Davide Giuseppe D'Urso, Ilvana Pitaku, Elisa Cassinotti, Giuseppe Pelosi, Luigi Boni, Lorenzo Dominioni, Douglas M Noonan, Lorenzo Mortara, Adriana Albini
NK cells are effector lymphocytes involved in tumor immunosurveillance; however, in patients with solid malignancies, NK cells have compromised functions. We have previously reported that lung tumor-associated NK cells (TANKs; peripheral blood) and tumor-infiltrating NK cells (TINKs) show proangiogenic, decidual NK-like (dNK) phenotype. In this study, we functionally and molecularly investigated TINKs and TANKs from blood and tissue samples of patients with colorectal cancer (CRC), a neoplasm in which inflammation and angiogenesis have clinical relevance, and compared them to NK cells from controls and patients with nononcologic inflammatory bowel disease...
May 15, 2018: FASEB Journal: Official Publication of the Federation of American Societies for Experimental Biology
https://www.readbyqxmd.com/read/29752720/prognostic-roles-for-il-2-producing-and-cd69-t-cell-subsets-in-colorectal-cancer-patients
#8
Edward S Taylor, John L McCall, Shirley Shen, Adam Girardin, Fran M Munro, Michael A Black, Kirsten A Ward-Hartstonge, Roslyn A Kemp
Tumor infiltrating T cells are a predictor of patient outcome in patients with colorectal cancer (CRC). However, many T cell populations have been associated with both poor and positive patient prognoses, indicating a need to further understand the role of different T cell subsets in CRC. In this study, the T cell infiltrate from the tumor and non-tumor bowel (NTB) was examined in 95 CRC patients using flow cytometry and associations with cancer stage and disease recurrence made. Our findings showed that IFN-γ-producing T cells were associated with positive patient outcomes, and CD69+ T cells were associated with disease recurrence...
May 11, 2018: International Journal of Cancer. Journal International du Cancer
https://www.readbyqxmd.com/read/29740735/dandelion-root-extract-protects-ncm460-colonic-cells-and-relieves-experimental-mouse-colitis
#9
Aiguo Ding, Xianhui Wen
The protective potential of dandelion on acute hepatitis, lung injury and colorectal cancer has recently been revealed. Importantly, ulcerative colitis (UC), a clinically defined inflammatory bowel disease, accelerates the risk of colorectal cancer. However, studies focusing on the activity of dandelion on UC are extremely limited. In the present study, we found that an aqueous extract of dandelion root increases cell viability and decreases apoptosis in dextran sodium sulfate (DSS)-incubated NCM460 human colonic epithelial cells, probably through removing the production of reaction oxygen species and blocking nuclear factor-kappaB signaling...
May 8, 2018: Journal of Natural Medicines
https://www.readbyqxmd.com/read/29740203/olfactomedin-4-in-digestive-diseases-a-mini-review
#10
REVIEW
Xin-Yu Wang, Sheng-Hui Chen, Ya-Nan Zhang, Cheng-Fu Xu
Olfactomedin-4 (OLFM4, GW112, hGC-1) is a glycoprotein belonging to the olfactomedin family. The expression of OLFM4 is strong in the small intestine, colon and prostate, and moderate in the stomach and bone marrow. Previous studies have revealed that OLFM4 is closely associated with many digestive diseases. Up-regulation of OLFM4 has been detected in the Helicobacter pylori ( H. pylori )-infected gastric mucosa, inflammatory bowel disease tissue and gastrointestinal malignancies, including gastric cancer, colorectal cancer, pancreatic cancer and gallbladder cancer...
May 7, 2018: World Journal of Gastroenterology: WJG
https://www.readbyqxmd.com/read/29731999/periostin-attenuates-tumor-growth-by-inducing-apoptosis-in-colitis-related-colorectal-cancer
#11
Yusuke Shimoyama, Keiichi Tamai, Rie Shibuya, Mao Nakamura, Mai Mochizuki, Kazunori Yamaguchi, Yoichi Kakuta, Yoshitaka Kinouchi, Ikuro Sato, Akira Kudo, Tooru Shimosegawa, Kennichi Satoh
Inflammatory bowel diseases, which are multifactorial autoimmune colitis diseases, are occurring with increasing prevalence. One of the most serious complications of these diseases is colorectal cancer. Here we investigated the role of periostin (Postn), a matricellular protein that interacts with various integrin molecules on the cell surface, in colitis-induced colorectal cancer. Immunohistochemistry of mouse and human colorectal cancer samples revealed that Postn was expressed in the stroma and was upregulated in close proximity to the cancer cells...
April 13, 2018: Oncotarget
https://www.readbyqxmd.com/read/29727905/detection-of-clinically-relevant-serrated-polyps-during-screening-colonoscopy-results-from-seven-cooperating-centers-within-the-german-colorectal-screening-program
#12
Christoph Schramm, Katharina Janhsen, Jan-Hinnerk Hofer, Hans Toermer, Annette Stelzer, Frank Stenschke, Michael Stollenwerk, Ingo Scheller, Sonja Lang, Tobias Goeser, Hans-Michael Steffen
BACKGROUND:  Serrated polyps have been recognized as precursors of colorectal cancer (CRC) via the serrated pathway. Endoscopic detection and histopathological evaluation of serrated polyps are challenging. The aims of this study were to determine detection rates of the recently proposed entity of clinically relevant serrated polyps (crSPs) and to identify factors that influence their detection in a primary colonoscopy screening cohort. METHODS:  We retrospectively analyzed average-risk screening colonoscopies performed at a tertiary academic hospital and six community-based private practices in Germany between 01/01/2012 and 14/12/2016...
May 4, 2018: Endoscopy
https://www.readbyqxmd.com/read/29723847/epigallocatechin-3-gallate-regulates-anti-inflammatory-action-through-67-kda-laminin-receptor-mediated-tollip-signaling-induction-in-lipopolysaccharide-stimulated-human-intestinal-epithelial-cells
#13
Eui-Baek Byun, Woo Sik Kim, Nak-Yun Sung, Eui-Hong Byun
BACKGROUND/AIMS: Inflammatory bowel disease (IBD) is a condition that involves chronic inflammation in all or part of the digestive tract. Often painful and debilitating, IBD can lead to life-threatening complications and increase the risk for colon cancer. In this study, we investigated the epigallocatechin-3-gallate (EGCG) mediated anti-inflammation response in lipopolysaccharide (LPS)-stimulated human colorectal cells through the negative regulator of Toll-like receptor (TLR) signaling...
April 28, 2018: Cellular Physiology and Biochemistry
https://www.readbyqxmd.com/read/29720903/colorectal-cancer-in-inflammatory-bowel-disease
#14
REVIEW
Ryan W Stidham, Peter D R Higgins
Patients with inflammatory bowel disease (IBD) are at significantly increased risk of colorectal cancer (CRC), principally resulting from the pro-neoplastic effects of chronic intestinal inflammation. Epidemiologic studies continue to highlight the increased risk of CRC in IBD. However, the incidence has declined over the past 30 years, attributed to both successful CRC-surveillance programs and improved control of mucosal inflammation. Risk factors that further increase the risk of IBD-related CRC include disease duration, extent and severity, the presence of inflammatory pseudopolyps, coexistent primary sclerosing cholangitis, and a family history of CRC...
May 2018: Clinics in Colon and Rectal Surgery
https://www.readbyqxmd.com/read/29720408/consecutive-negative-findings-on-colonoscopy-during-surveillance-predict-a-low-risk-of-advanced-neoplasia-in-patients-with-inflammatory-bowel-disease-with-long-standing-colitis-results-of-a-15-year-multicentre-multinational-cohort-study
#15
Joren R Ten Hove, Shailja C Shah, Seth R Shaffer, Charles N Bernstein, Daniel Castaneda, Carolina Palmela, Erik Mooiweer, Jordan Elman, Akash Kumar, Jason Glass, Jordan Axelrad, Thomas A Ullman, Jean-Frederic Colombel, Joana Torres, Adriaan A van Bodegraven, Frank Hoentjen, Jeroen M Jansen, Michiel E de Jong, Nofel Mahmmod, Andrea E van der Meulen-de Jong, Cyriel Y Ponsioen, Christine J van der Woude, Steven H Itzkowitz, Bas Oldenburg
OBJECTIVES: Surveillance colonoscopy is thought to prevent colorectal cancer (CRC) in patients with long-standing colonic IBD, but data regarding the frequency of surveillance and the findings thereof are lacking. Our aim was to determine whether consecutive negative surveillance colonoscopies adequately predict low neoplastic risk. DESIGN: A multicentre, multinational database of patients with long-standing IBD colitis without high-risk features and undergoing regular CRC surveillance was constructed...
May 2, 2018: Gut
https://www.readbyqxmd.com/read/29700559/-primary-sclerosing-cholangitis-current-diagnostics-and-treatment
#16
REVIEW
T Liwinski, C Schramm
Primary sclerosing cholangitis (PSC) is a chronic cholestatic liver disease of unknown etiology. Characteristic features are multifocal strictures and dilatations of the bile ducts. In 60-80 % of cases the PSC is strongly associated with chronic inflammatory bowel disease, mostly in the form of pancolitis. The diagnosis is established based on detection of typical cholangiographic lesions of the bile ducts and exclusion of secondary causes of sclerosing cholangitis. There is no approved medical treatment, but in Germany ursodeoxycholic acid is frequently used...
April 26, 2018: Der Internist
https://www.readbyqxmd.com/read/29696058/our-20-year-experience-with-experimental-colonic-anastomotic-healing
#17
REVIEW
Dimitrios Raptis, Manousos-Georgios Pramateftakis, Ioannis Kanellos
Aim: To present our experience with experimental colonic anastomoses and compare it with the results of other experienced researchers. Materials and Method: The published experimental studies of our research group up to 1996, as well as results of other researchers in this field, are demonstrated and discussed. Different actions of administered substances on the anastomotic healing were compared and represented. Various chemotherapeutic agents were evaluated in experimental models without colorectal cancer as independent risk factors for the anastomotic healing...
January 2018: Journal of Medicine and Life
https://www.readbyqxmd.com/read/29688465/low-incidence-of-dysplasia-and-colorectal-cancer-observed-among-inflammatory-bowel-disease-patients-with-prolonged-colonic-diversion
#18
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
#19
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/29668929/chromoendoscopy-for-dysplasia-surveillance-in-inflammatory-bowel-disease
#20
Ann D Flynn, John F Valentine
Long-standing ulcerative colitis (UC) and extensive Crohn's colitis confer increased risk for development of colorectal cancer. Screening and surveillance colonoscopy programs aim to identify, resect, or detect dysplasia or colorectal cancer. Dysplastic lesions can be removed by endoscopic resection and patients with unresectable lesions can be referred for colectomy at an earlier stage, with the goal of reducing overall morbidity and mortality from colorectal cancer. Surveillance colonoscopy for patients with inflammatory bowel disease (IBD) is endorsed by multiple specialty societies...
April 13, 2018: Inflammatory Bowel Diseases
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