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https://www.readbyqxmd.com/read/28329021/comparison-of-anti-inflammatory-activities-of-an-anthocyanin-rich-fraction-from-portuguese-blueberries-vaccinium-corymbosum-l-and-5-aminosalicylic-acid-in-a-tnbs-induced-colitis-rat-model
#1
Sónia R Pereira, Rita Pereira, Isabel Figueiredo, Victor Freitas, Teresa C P Dinis, Leonor M Almeida
Despite the actual therapeutic approaches for inflammatory bowel disease (IBD), efficient and secure alternative options remain a research focus. In this context, anthocyanins seem promising natural anti-inflammatory agents, but their action mechanisms and efficacy as compared with established drugs still require more clarification. The main aim of this study was to compare the anti-inflammatory action of a chemically characterized anthocyanin-rich fraction (ARF), obtained from Portuguese blueberries (Vaccinium corymbosum L...
2017: PloS One
https://www.readbyqxmd.com/read/28316075/a-case-control-study-of-the-association-between-ulcerative-colitis-and-hyperthyroidism-in-an-asian-population
#2
Ming-Chieh Tsai, Herng-Ching Lin, Cha-Ze Lee
OBJECTIVE: Ulcerative colitis (UC) is a chronic relapsing inflammatory disease with significant clinical diversity. However, the etiology, pathogenesis, and optimal treatment of UC remain unclear. The purpose of this case-control study was to investigate the association between previously diagnosed hyperthyroidism and UC using a large population-based dataset in Taiwan. METHODS: The data for this population-based case-control study were retrieved from the Taiwan Longitudinal Health Insurance Database 2005...
March 18, 2017: Clinical Endocrinology
https://www.readbyqxmd.com/read/28289440/role-of-tlr1-tlr2-and-tlr6-in-the-modulation-of-intestinal-inflammation-and-candida-albicans-elimination
#3
Laura Choteau, Hélène Vancraeyneste, Didier Le Roy, Laurent Dubuquoy, Luiginia Romani, Thierry Jouault, Daniel Poulain, Boualem Sendid, Thierry Calandra, Thierry Roger, Samir Jawhara
BACKGROUND: Toll-like receptors (TLRs) are the major pattern recognition receptors that mediate sensing of a wide range of microorganisms. TLR2 forms heterodimers with either TLR1 or TLR6, broadening its ligand diversity against pathogens. TLR1, TLR2 and TLR6 have been implicated in the recognition of Candida albicans, an opportunistic fungal pathogen that colonizes the gastrointestinal tract. In this study, we explored whether the deficiency in TLR1, TLR2 or TLR6 impacts C. albicans colonization and inflammation-associated colonic injury in the dextran sulfate sodium (DSS)-induced colitis in mice...
2017: Gut Pathogens
https://www.readbyqxmd.com/read/28288099/nlrp12-attenuates-colon-inflammation-by-maintaining-colonic-microbial-diversity-and-promoting-protective-commensal-bacterial-growth
#4
Liang Chen, Justin E Wilson, Mark J Koenigsknecht, Wei-Chun Chou, Stephanie A Montgomery, Agnieszka D Truax, W June Brickey, Christopher D Packey, Nitsan Maharshak, Glenn K Matsushima, Scott E Plevy, Vincent B Young, R Balfour Sartor, Jenny P-Y Ting
Inflammatory bowel diseases involve the dynamic interaction of host genetics, the microbiome and inflammatory responses. Here we found lower expression of NLRP12 (which encodes a negative regulator of innate immunity) in human ulcerative colitis, by comparing monozygotic twins and other patient cohorts. In parallel, Nlrp12 deficiency in mice caused increased basal colonic inflammation, which led to a less-diverse microbiome and loss of protective gut commensal strains (of the family Lachnospiraceae) and a greater abundance of colitogenic strains (of the family Erysipelotrichaceae)...
March 13, 2017: Nature Immunology
https://www.readbyqxmd.com/read/28272447/eggshell-membrane-powder-ameliorates-intestinal-inflammation-by-facilitating-the-restitution-of-epithelial-injury-and-alleviating-microbial-dysbiosis
#5
Huijuan Jia, Manaka Hanate, Wanping Aw, Hideomi Itoh, Kenji Saito, Shoko Kobayashi, Satoshi Hachimura, Shinji Fukuda, Masaru Tomita, Yukio Hasebe, Hisanori Kato
Gut microbiota is an essential factor in the shaping of intestinal immune system development and driving inflammation in inflammatory bowel disease (IBD). We report the effects and microbe-host interactions underlying an intervention using fine powder of eggshell membrane (ESM) against IBD. ESM attenuated lipopolysaccharide-induced inflammatory cytokine production and promoted the Caco-2 cell proliferation by up-regulating growth factors in vitro. In a murine model of dextran sodium sulphate-induced colitis, ESM significantly suppressed the disease activity index and colon shortening...
March 8, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28239315/single-fecal-microbiota-transplantation-failed-to-change-intestinal-microbiota-and-had-limited-effectiveness-against-ulcerative-colitis-in-japanese-patients
#6
Shinta Mizuno, Kosaku Nanki, Katsuyoshi Matsuoka, Keiichiro Saigusa, Keiko Ono, Mari Arai, Shinya Sugimoto, Hiroki Kiyohara, Moeko Nakashima, Kozue Takeshita, Makoto Naganuma, Wataru Suda, Masahira Hattori, Takanori Kanai
BACKGROUND/AIMS: Recent developments in analytical techniques including next-generation sequencing have clarified the correlation between intestinal microbiota and inflammatory bowel disease. Fecal microbiota transplantation (FMT) for patients with ulcerative colitis (UC) is proposed as a potential approach to resolving their dysbiosis; however, its safety and efficacy have not been confirmed. This single-arm, open-label, non-randomized study aimed to evaluate the safety and efficacy of FMT for Japanese patients with UC as the first registered clinical trial in Japan...
January 2017: Intestinal Research
https://www.readbyqxmd.com/read/28228068/stress-in-gastrointestinal-tract-and-stable-gastric-pentadecapeptide-bpc-157-finally-do-we-have-a-solution
#7
Predrag Sikiric, Sven Seiwerth, Rudolf Rucman, Domagoj Drmic, Mirjana Stupnisek, Antonio Kokot, Marko Sever, Ivan Zoricic, Zoran Zoricic, Lovorka Batelja, Tihomil Ziger, Josipa Vlainic, Zarko Rasic, Martina Lovric Bencic
Selye's syndrome produced by diverse nocuous agents and "response to damage as such" means Selye's stress triad in stress coping response to reestablish homeostasis. Logically, from the gastrointestinal tract viewpoint, such organoprotective/healing response implies the angiogenic growth factors that commonly signify the healing. Thereby, the gastric pentadecapeptide BPC 157-organoprotection (huge range of beneficial effects) signifies the Selye's stress concept/stress coping response implemented in and from gastrointestinal tract, and BPC 157 as an integrative mediator that integrates the adaptive bodily response to stress...
February 20, 2017: Current Pharmaceutical Design
https://www.readbyqxmd.com/read/28214091/multidonor-intensive-faecal-microbiota-transplantation-for-active-ulcerative-colitis-a-randomised-placebo-controlled-trial
#8
Sudarshan Paramsothy, Michael A Kamm, Nadeem O Kaakoush, Alissa J Walsh, Johan van den Bogaerde, Douglas Samuel, Rupert W L Leong, Susan Connor, Watson Ng, Ramesh Paramsothy, Wei Xuan, Enmoore Lin, Hazel M Mitchell, Thomas J Borody
BACKGROUND: The intestinal microbiota is implicated in the pathogenesis of ulcerative colitis. Faecal microbiota transplantation is a novel form of therapeutic microbial manipulation, but its efficacy in ulcerative colitis is uncertain. We aimed to establish the efficacy of intensive-dosing, multidonor, faecal microbiota transplantation in active ulcerative colitis. METHODS: We conducted a multicentre, double-blind, randomised, placebo-controlled trial at three hospitals in Australia...
February 14, 2017: Lancet
https://www.readbyqxmd.com/read/28191024/recent-trends-in-pharmacological-activity-of-alkaloids-in-animal-colitis-potential-use-for-inflammatory-bowel-disease
#9
REVIEW
Ana Cristina Alves de Almeida, Felipe Meira de-Faria, Ricardo José Dunder, Luis Paulo Bognoni Manzo, Alba Regina Monteiro Souza-Brito, Anderson Luiz-Ferreira
Inflammatory bowel disease (IBD) is a chronic and disrupted inflammation of the gastrointestinal tract. IBD have two main conditions, Crohn's disease and ulcerative colitis, and have been extensively investigated in recent years. Antibiotics derived from salicylates, steroids, immunosuppressors, and anti-TNF therapy are part of the therapeutic arsenal for IBD. However, very often patients stop responding to treatments over the time. In this context, searching for alternative agents is crucial for IBD clinical management...
2017: Evidence-based Complementary and Alternative Medicine: ECAM
https://www.readbyqxmd.com/read/28183265/some-important-dietary-polyphenolic-compounds-an-anti-inflammatory-and-immunoregulatory-perspective
#10
Mayank Kinger, Sushil Kumar, Vinod Kumar
Inflammation plays an important role in maintaining the body's homeostasis. It repairs the damaged tissues of the body resulting from injury or infection. In addition, a diverse array of diseases like hepatitis, arthritis and colitis has been reported and described to be associated with inflammatory processes. Some autoimmune diseases like inflammatory bowel disease (IBD) emerge by the influence of numerous genes in complex environmental situations belongs to inflammation. The currently available processes for curing inflammation and related disorders facilitate the use of non steroidal anti-inflammatory drugs (NSAIDs)...
February 8, 2017: Mini Reviews in Medicinal Chemistry
https://www.readbyqxmd.com/read/28179109/mechanisms-of-defense-against-products-of-cysteine-catabolism-in-the-nematode-caenorhabditis-elegans
#11
Leonid Livshits, Arijit Kumar Chatterjee, Netanel Karbian, Rachel Abergel, Zohar Abergel, Einav Gross
Cysteine catabolism presents cells with a double-edged sword. On the one hand, cysteine degradation provides cells with essential molecules such as taurine and sulfide. The formation of sulfide in cells is thought to regulate important and diverse physiological processes including blood circulation, synaptic activity and inflammation. On the other hand, the catabolism of cysteine by gut microbiota can release high levels of sulfide that may underlie the development or relapse of ulcerative colitis, an inflammatory bowel disease affecting millions of people worldwide...
March 2017: Free Radical Biology & Medicine
https://www.readbyqxmd.com/read/28174747/a-disease-associated-microbial-and-metabolomics-state-in-relatives-of-pediatric-inflammatory-bowel-disease-patients
#12
Jonathan P Jacobs, Maryam Goudarzi, Namita Singh, Maomeng Tong, Ian H McHardy, Paul Ruegger, Miro Asadourian, Bo-Hyun Moon, Allyson Ayson, James Borneman, Dermot P B McGovern, Albert J Fornace, Jonathan Braun, Marla Dubinsky
BACKGROUND & AIMS: Microbes may increase susceptibility to inflammatory bowel disease (IBD) by producing bioactive metabolites that affect immune activity and epithelial function. We undertook a family based study to identify microbial and metabolic features of IBD that may represent a predisease risk state when found in healthy first-degree relatives. METHODS: Twenty-one families with pediatric IBD were recruited, comprising 26 Crohn's disease patients in clinical remission, 10 ulcerative colitis patients in clinical remission, and 54 healthy siblings/parents...
November 2016: Cellular and Molecular Gastroenterology and Hepatology
https://www.readbyqxmd.com/read/28123846/phosphodiesterase-5-inhibition-suppresses-colonic-inflammation-induced-tumorigenesis-via-blocking-the-recruitment-of-mdsc
#13
Shiyong Lin, Jing Wang, Lihui Wang, Jing Wen, Yandong Guo, Weiguang Qiao, Jieqiong Zhou, Guoliang Xu, Fachao Zhi
Phosphodiesterase 5 (PDE-5) is a major isoform of cGMP phosphodiesterase in diverse tissues and plays a critical role in regulating intracellular cGMP concentrations. However, the distribution and expression of PDE-5 in colitis-related colon cancer was still unclear, not even the function and mechanism. Western blotting and ELISA were performed to detect colonic PDE-5 expression in AOM/DSS-induced tumorigenesis model. Sildenafil, a specific PDE-5 inhibitor, was used to treat AOM/DSS-induced and AOM-induced colonic tumorigenesis model and DSS-induced colitis model...
2017: American Journal of Cancer Research
https://www.readbyqxmd.com/read/28115375/ursodeoxycholic-acid-and-its-taurine-or-glycine-conjugated-species-reduce-colitogenic-dysbiosis-and-equally-suppress-experimental-colitis-in-mice
#14
Lien Van den Bossche, Pieter Hindryckx, Lindsey Devisscher, Sarah Devriese, Sophie Van Welden, Tom Holvoet, Ramiro Vilchez-Vargas, Marius Vital, Dietmar H Pieper, Julie Vanden Bussche, Lynn Vanhaecke, Tom Van de Wiele, Martine De Vos, Debby Laukens
The promising results seen in studies of secondary bile acids in experimental colitis suggest that they may represent an attractive and safe class of drugs for the treatment of inflammatory bowel diseases (IBD). However, the exact mechanism by which bile acid therapy confers protection from colitogenesis is currently unknown. Since the gut microbiota plays a crucial role in the pathogenesis of IBD, and exogenous bile acid administration may affect the community structure of the microbiota, we examined the impact of the secondary bile acid ursodeoxycholic acid (UDCA) and its taurine or glycine conjugates on the fecal microbial community structure during experimental colitis...
April 1, 2017: Applied and Environmental Microbiology
https://www.readbyqxmd.com/read/28112760/the-anti-inflammatory-drug-mesalamine-targets-bacterial-polyphosphate-accumulation
#15
Jan-Ulrik Dahl, Michael J Gray, Daphne Bazopoulou, Francois Beaufay, Justine Lempart, Mark J Koenigsknecht, Ying Wang, Jason R Baker, William L Hasler, Vincent B Young, Duxin Sun, Ursula Jakob
Mesalamine serves as the gold standard in treating ulcerative colitis. However, its precise mechanism(s) of action remains unclear. Here, we show that mesalamine treatment rapidly decreases polyphosphate levels in diverse bacteria, including members of the human gut microbiome. This decrease sensitizes bacteria towards oxidative stress, reduces colonization and attenuates persister cell and biofilm formation, suggesting that mesalamine aids in diminishing the capacity of bacteria to persist within chronically inflamed environments...
January 23, 2017: Nature Microbiology
https://www.readbyqxmd.com/read/28111227/mesenchymal-cells-in-colon-cancer
#16
REVIEW
Vasiliki Koliaraki, Charles K Pallangyo, Florian R Greten, George Kollias
Mesenchymal cells in the intestine comprise a variety of cell types of diverse origins, functions, and molecular markers. They provide mechanical and structural support and have important functions during intestinal organogenesis, morphogenesis, and homeostasis. Recent studies of the human transcriptome have revealed their importance in the development of colorectal cancer, and studies from animal models have provided evidence for their roles in the pathogenesis of colitis-associated cancer and sporadic colorectal cancer...
January 20, 2017: Gastroenterology
https://www.readbyqxmd.com/read/28099146/long-non-coding-rna-growth-arrest-specific-transcript-5-acts-as-a-tumour-suppressor-in-colorectal-cancer-by-inhibiting-interleukin-10-and-vascular-endothelial-growth-factor-expression
#17
Yuan Li, Yan Li, Shengkai Huang, Kun He, Mei Zhao, Hong Lin, Dongdong Li, Jiaming Qian, Caihong Zhou, Yuhua Chen, Changzhi Huang
Long non-coding RNAs (lncRNAs) are highly involved in diverse biological processes of human malignancies. The expression profile and underlying mechanism of lncRNA growth arrest specific transcript 5 (GAS5) in colorectal cancer (CRC) is poorly understood. In this study, we found that GAS5 was commonly downregulated in CRC tissues, serum of CRC patients and CRC cell lines. Knockdown of GAS5 promoted CRC cell proliferation and colony formation, whereas overexpression of GAS5 produced the opposite result. We further demonstrated that knockdown of GAS5 increased the expression and secretion of interleukin-10 (IL-10) and vascular endothelial growth factor (VEGF-A) via NF-κB and Erk1/2 pathways...
January 13, 2017: Oncotarget
https://www.readbyqxmd.com/read/28062871/-chronic-diarrhea-in-the-diabetic-a-review-of-the-literature
#18
Juan Sebastián Frías Ordoñez, William Otero Regino
The association of diarrhea with diabetes mellitus has been known for more than 70 years. In diabetic patients its prevalence is around 20%.Its clinical manifestations are diverse, and represents a diagnostic and therapeutic challenge.There are certain diagnoses of higher prevalence in diabetic patients than in the general population.The different related etiologies can be adequately diagnosed through the clinical history and complementary diagnostic tests.The medications used by the diabetic patient to manage their disease often cause chronic diarrhea, so the pharmacological background should be studied at the time of the study of diarrhea...
October 2016: Revista de Gastroenterología del Perú: órgano Oficial de la Sociedad de Gastroenterología del Perú
https://www.readbyqxmd.com/read/28045769/diverting-ileostomy-for-the-treatment-of-severe-refractory-pediatric-inflammatory-bowel-disease
#19
Elizabeth C Maxwell, Noor Dawany, Robert N Baldassano, Petar Mamula, Peter Mattei, Lindsey Albenberg, Judith R Kelsen
OBJECTIVES: Diverting ileostomy is used as a temporizing therapy in patients with perianal Crohn disease; however, little data exist regarding its use for colonic disease. The primary aim of the present study was to determine the role of diversion in severe refractory colonic inflammatory bowel disease (IBD) in a pediatric population. METHODS: Retrospective study of patients who underwent diverting ileostomy at The Children's Hospital of Philadelphia from 2000 to 2014 for the management of severe, refractory colonic IBD...
December 30, 2016: Journal of Pediatric Gastroenterology and Nutrition
https://www.readbyqxmd.com/read/28045459/faecalibacterium-prausnitzii-from-microbiology-to-diagnostics-and-prognostics
#20
Mireia Lopez-Siles, Sylvia H Duncan, L Jesús Garcia-Gil, Margarita Martinez-Medina
There is an increasing interest in Faecalibacterium prausnitzii, one of the most abundant bacterial species found in the gut, given its potentially important role in promoting gut health. Although some studies have phenotypically characterized strains of this species, it remains a challenge to determine which factors have a key role in maintaining the abundance of this bacterium in the gut. Besides, phylogenetic analysis has shown that at least two different F. prausnitzii phylogroups can be found within this species and their distribution is different between healthy subjects and patients with gut disorders...
April 2017: ISME Journal
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