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https://www.readbyqxmd.com/read/29785965/inflammatory-bowel-disease-increases-the-risk-of-parkinson-s-disease-a-danish-nationwide-cohort-study-1977-2014
#1
Marie Villumsen, Susana Aznar, Bente Pakkenberg, Tine Jess, Tomasz Brudek
OBJECTIVE: Intestinal inflammation has been suggested to play a role in development of Parkinson's disease (PD) and multiple system atrophy (MSA). To test the hypothesis that IBD is associated with risk of PD and MSA, we performed a nationwide population-based cohort study. DESIGN: The cohort consisted of all individuals diagnosed with IBD in Denmark during 1977-2014 (n=76 477) and non-IBD individuals from the general population, who were comparable in terms of gender, age and vital status (n=7 548 259)...
May 21, 2018: Gut
https://www.readbyqxmd.com/read/29785173/phytochemicals-that-influence-gut-microbiota-as-prophylactics-and-for-the-treatment-of-obesity-and-inflammatory-diseases
#2
REVIEW
Lucrecia Carrera-Quintanar, Rocío I López Roa, Saray Quintero-Fabián, Marina A Sánchez-Sánchez, Barbara Vizmanos, Daniel Ortuño-Sahagún
Gut microbiota (GM) plays several crucial roles in host physiology and influences several relevant functions. In more than one respect, it can be said that you "feed your microbiota and are fed by it." GM diversity is affected by diet and influences metabolic and immune functions of the host's physiology. Consequently, an imbalance of GM, or dysbiosis, may be the cause or at least may lead to the progression of various pathologies such as infectious diseases, gastrointestinal cancers, inflammatory bowel disease, and even obesity and diabetes...
2018: Mediators of Inflammation
https://www.readbyqxmd.com/read/29782025/injections-of-lipopolysaccharide-into-mice-to-mimic-entrance-of-microbial-derived-products-after-intestinal-barrier-breach
#3
Katarina Raduolovic, Rachel Mak'Anyengo, Berna Kaya, Anna Steinert, Jan Hendrik Niess
The intestinal epithelial barrier separates the host from the microbiota that is normally tolerated or ignored. The breach of this barrier results in the entrance of bacteria or bacteria-derived products into the host, accessing the host circulation and inner organs leading to the uncontrolled inflammation as observed in patients with inflammatory bowel disease (IBD), that are characterized by an increased intestinal epithelial permeability. To mimic the entrance of bacterial-derived compounds into the host, an endotoxemia model has been adopted in which lipopolysaccharide (LPS), a component of the outer cell wall of Gram-negative bacteria, were injected into mice...
May 2, 2018: Journal of Visualized Experiments: JoVE
https://www.readbyqxmd.com/read/29781837/recommendations-on-rectal-surveillance-for-colorectal-cancer-after-subtotal-colectomy-in-patients-with-inflammatory-bowel-disease
#4
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/29780754/pleomorphic-undifferentiated-soft-tissue-sarcoma-in-patient-with-long-standing-inflammatory-bowel-disease
#5
Loredana Labinac-Peteh, Robert Terlević, Božo Krušlin
Inflammatory bowel disease (IBD) has been associated with the development of both gastrointestinal and extraintestinal malignancy. The role of therapy in the development of malignancy in IBD has been controversial. We present the case of a 40-year-old female patient with long-standing mild IBD, who developed an undifferentiated pleomorphic sarcoma of the inguinal region and provide a brief review of the relevant literature. While our case likely represents a coincidence of two unrelated pathological entities, clinicians should keep in mind the possibility of soft tissue sarcomas in patients chronically treated with anti-inflammatory agents...
April 2018: Autopsy & Case Reports
https://www.readbyqxmd.com/read/29780656/primary-leiomyosarcoma-of-the-colon-a-report-of-two-cases-review-of-the-literature-and-association-with-immunosuppression-for-ibd-and-rheumatoid-arthritis
#6
Jessica S Crystal, Kristin Korderas, David Schwartzberg, Steven C Tizio, Min Zheng, Glenn Parker
Primary leiomyosarcomas (LMS) of the colon are rare and aggressive neoplasms and have been infrequently reported in the literature. These tumors are more aggressive and have poorer prognoses than adenocarcinoma of the colon and are often mistaken as such on initial evaluation. While the former has a clear association with inflammatory bowel disease (IBD), this correlation is not known to exist with LMS and IBD. Nor is there a known link between LMS and the immunosuppression for IBD, despite the known association between malignancy and immunosuppression for other diseases...
2018: Case Reports in Surgery
https://www.readbyqxmd.com/read/29780595/early-detection-of-ulcerative-colitis-associated-colorectal-cancer
#7
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/29780594/role-of-endoscopy-in-inflammatory-bowel-disease
#8
REVIEW
Shishira Bharadwaj, Neeraj Narula, Parul Tandon, Mohammad Yaghoobi
Crohn's disease (CD) and ulcerative colitis (UC) constitute the two most common phenotypes of inflammatory bowel disease (IBD). Ileocolonoscopy with biopsy has been considered the gold standard for the diagnosis of IBD. Differential diagnosis of CD and UC is important, as their medical and surgical treatment modalities and prognoses can be different. However, approximately 15% of patients with IBD are misdiagnosed as IBD unclassified due to the lack of diagnostic certainty of CD or UC. Recently, there has been increased recognition of the role of the therapeutic endoscopist in the field of IBD...
May 2018: Gastroenterology Report
https://www.readbyqxmd.com/read/29780153/food-specific-iggs-are-highly-increased-in-the-sera-of-patients-with-inflammatory-bowel-disease-and-are-clinically-relevant-to-the-pathogenesis
#9
Nanping Xiao, Fenghua Liu, Guangxi Zhou, Mingming Sun, Fengfu Ai, Zhanju Liu
Objective Dietary antigens are common luminal antigens in the gastrointestinal tract and have been considered to contribute to the pathogenesis of inflammatory bowel disease (IBD). We analyzed the levels of food-specific IgGs against a variety of dietary antigens, explored the clinical relevance of food allergy to the pathogenesis of IBD, and investigated whether or not infliximab (IFX) treatment could regulate the immune responses induced by dietary antigens. Methods A total of 301 IBD patients, including 201 patients with Crohn's disease (CD) and 100 patients with ulcerative colitis (UC), were recruited, and their serum food-specific IgGs against 14 food antigens were detected by a semi-quantitative enzyme linked immunosorbent assay (ELISA)...
May 18, 2018: Internal Medicine
https://www.readbyqxmd.com/read/29780063/the-effect-of-ozone-on-colonic-epithelial-cells
#10
Hidetomo Himuro
Due to its strong oxidation activity, ozone has been well known to kill bacteria and exert toxic effects on human tissues. At the same time, ozone is being used for the treatment of diseases such as inflammatory bowel disease in some European countries. However, the use of ozone for therapeutic purposes, despite its strong toxic effects, remains largely unexplored. Interestingly, we found that intrarectal administration of ozone gas induced transient colonic epithelial cell damage characterized by the impairment of cell survival pathways involved in DNA replication, cell cycle, and mismatch repair...
May 21, 2018: Kurume Medical Journal
https://www.readbyqxmd.com/read/29778465/roles-for-selenium-and-selenoprotein-p-in-the-development-progression-and-prevention-of-intestinal-disease
#11
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/29778131/vitamin-d-receptor-level-in-biopsy-specimen-of-patients-with-ulcerative-colitis-results-from-a-center-in-western-anatolia
#12
Adil Coskun, Irfan Yavasoglu, Ibrahim Meteoglu, Mustafa Unubol, Burak Yasar, Serkan Borazan, Imran Kurt Omurlu, Vahit Yukselen, M Hadi Yasa
BACKGROUND: Ulcerative colitis (UC) is a chronic, inflammatory bowel diseases characterized by uncontrolled inflammatory condition of the colon and rectal mucosa marked by recurrent periods of remission and exacerbation. Vitamin D receptor (VDR) is a member of the steroid receptor family that mediates the effects of vitamin D by regulating transcription of multiple cellular genes. We aimed to evaluate vitamin d receptor level in biopsy specimen of patients with UC in this study. METHODS: VDR levels were retrospectively studied in colon biopsy specimens of UC patients...
June 2018: Journal of the National Medical Association
https://www.readbyqxmd.com/read/29777136/functional-proteomic-profiling-of-secreted-serine-proteases-in-health-and-inflammatory-bowel-disease
#13
Alexandre Denadai-Souza, Chrystelle Bonnart, Núria Solà Tapias, Marlène Marcellin, Brendan Gilmore, Laurent Alric, Delphine Bonnet, Odile Burlet-Schiltz, Morley D Hollenberg, Nathalie Vergnolle, Céline Deraison
While proteases are essential in gastrointestinal physiology, accumulating evidence indicates that dysregulated proteolysis plays a pivotal role in the pathophysiology of inflammatory bowel disease (IBD). Nonetheless, the identity of overactive proteases released by human colonic mucosa remains largely unknown. Studies of protease abundance have primarily investigated expression profiles, not taking into account their enzymatic activity. Herein we have used serine protease-targeted activity-based probes (ABPs) coupled with mass spectral analysis to identify active forms of proteases secreted by the colonic mucosa of healthy controls and IBD patients...
May 18, 2018: Scientific Reports
https://www.readbyqxmd.com/read/29777041/evolving-role-of-diet-in-the-pathogenesis-and-treatment-of-inflammatory-bowel-diseases
#14
REVIEW
Arie Levine, Rotem Sigall Boneh, Eytan Wine
Recent advances in basic and clinical science over the last 3 years have dramatically altered our appreciation of the role of diet in inflammatory bowel diseases (IBD). The marked increase in incidence of these diseases along with the important role of non-genetic susceptibility among patients with IBD has highlighted that these diseases have a strong environmental component. Progress in the field of microbiome and IBD has demonstrated that microbiome appears to play an important role in pathogenesis, and that diet may in turn impact the composition and functionality of the microbiome...
May 18, 2018: Gut
https://www.readbyqxmd.com/read/29777027/t-cell-proliferation-and-colitis-are-initiated-by-defined-intestinal-microbes
#15
Pailin Chiaranunt, Justin T Tometich, Junyi Ji, Timothy W Hand
Inflammatory bowel disease has been associated with the dysregulation of T cells specific to Ags derived from the intestinal microbiota. How microbiota-specific T cells are regulated is not completely clear but is believed to be mediated by a combination of IgA, regulatory T cells, and type 3 innate lymphoid cells. To test the role of these regulatory components on microbiota-specific T cells, we bred CBir1 TCR transgenic (CBir1Tg) mice (specific to flagellin from common intestinal bacteria) onto a lymphopenic Rag1-/- background...
May 18, 2018: Journal of Immunology: Official Journal of the American Association of Immunologists
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
#16
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/29775790/clinical-course-of-nodular-regenerative-hyperplasia-in-thiopurine-treated-inflammatory-bowel-disease-patients
#17
Melek Simsek, Berrie Meijer, Dewkoemar Ramsoekh, Gerd Bouma, Egbert-Jan van der Wouden, Bert den Hartog, Annemarie C de Vries, Frank Hoentjen, Gerard Dijkstra, Sybrand Y de Boer, Jeroen M Jansen, Andrea E van der Meulen, Ruud Beukers, Menno A Brink, Toos Steinhauser, Bas Oldenburg, Lennard P Gilissen, Ton H Naber, Marc A Verhagen, Nanne K H de Boer, Chris J J Mulder
No abstract text is available yet for this article.
May 15, 2018: Clinical Gastroenterology and Hepatology
https://www.readbyqxmd.com/read/29775600/variation-in-interleukin-6-receptor-gene-associates-with-risk-of-crohn-s-disease-and-ulcerative-colitis
#18
C A Parisinos, S Serghiou, M Katsoulis, M J George, R S Patel, H Hemingway, A D Hingorani
Interleukin 6 (IL6) is an inflammatory cytokine; signaling via its receptor (IL6R) is believed to contribute to development of inflammatory bowel diseases (IBD). The single nucleotide polymorphism rs2228145 in IL6R associates with increased levels of soluble IL6R (s-IL6R), as well as reduced IL6R signaling and risk of inflammatory disorders; its effects are similar to those of a therapeutic monoclonal antibody that blocks IL6R signaling. We used the effect of rs2228145 on s-IL6R level as an indirect marker to investigate whether reduced IL6R signaling associates with risk of ulcerative colitis (UC) or Crohn's disease (CD)...
May 15, 2018: Gastroenterology
https://www.readbyqxmd.com/read/29775592/dietary-and-microbial-oxazoles-induce-intestinal-inflammation-by-modulating-aryl-hydrocarbon-receptor-responses
#19
Shankar S Iyer, Thomas Gensollen, Amit Gandhi, Sungwhan F Oh, Joana F Neves, Frederic Collin, Richard Lavin, Carme Serra, Jonathan Glickman, Punyanganie S A de Silva, R Balfour Sartor, Gurdyal Besra, Russell Hauser, Anthony Maxwell, Amadeu Llebaria, Richard S Blumberg
Genome-wide association studies have identified risk loci associated with the development of inflammatory bowel disease, while epidemiological studies have emphasized that pathogenesis likely involves host interactions with environmental elements whose source and structure need to be defined. Here, we identify a class of compounds derived from dietary, microbial, and industrial sources that are characterized by the presence of a five-membered oxazole ring and induce CD1d-dependent intestinal inflammation. We observe that minimal oxazole structures modulate natural killer T cell-dependent inflammation by regulating lipid antigen presentation by CD1d on intestinal epithelial cells (IECs)...
May 17, 2018: Cell
https://www.readbyqxmd.com/read/29775230/alcohol-enhances-symptoms-and-propensity-for-infection-in-inflammatory-bowel-disease-patients-and-a-murine-model-of-dss-induced-colitis
#20
Abigail R Cannon, Paulius V Kuprys, Adrienne N Cobb, Xianzhong Ding, Anai N Kothari, Paul C Kuo, Joshua M Eberhardt, Adam M Hammer, Niya L Morris, Xiaoling Li, Mashkoor A Choudhry
Over 1.4 million Americans have been diagnosed with inflammatory bowel disease (IBD), and ulcerative colitis (UC) makes up approximately half of those diagnoses. As a disease, UC cycles between periods of remission and flare, which is characterized by intense abdominal pain, increased weight loss, intestinal inflammation, rectal bleeding, and dehydration. Interestingly, a widespread recommendation to IBD patients for avoidance of a flare period is "Don't Drink Alcohol" as recent work correlated alcohol consumption with increased GI symptoms in patients with IBD...
May 18, 2018: Journal of Leukocyte Biology
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