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https://www.readbyqxmd.com/read/29122501/psychoneuroimmunological-approach-to-gastrointestinal-related-pain
#1
REVIEW
Karlo Toljan, Bruce Vrooman
BACKGROUND AND PURPOSE (AIMS): Psychoneuroimmunology is both a theoretical and practical field of medicine in which human biology and psychology are considered an interconnected unity. Through such a framework it is possible to elucidate complex syndromes in gastrointestinal related pain, particularly chronic non-malignant. The aim is to provide insight into pathophysiological mechanisms and suggest treatment modalities according to a comprehensive paradigm. The article also presents novel findings that may guide clinicians to recognize new targets or scientists to find new research topics...
November 6, 2017: Scandinavian Journal of Pain
https://www.readbyqxmd.com/read/29115385/schisandrin-a-suppresses-lipopolysaccharide-induced-inflammation-and-oxidative-stress-in-raw-264-7-macrophages-by-suppressing-the-nf-%C3%AE%C2%BAb-mapks-and-pi3k-akt-pathways-and-activating-nrf2-ho-1-signaling
#2
Da Hye Kwon, Hee-Jae Cha, Eun Ok Choi, Sun-Hee Leem, Gi-Young Kim, Sung-Kwon Moon, Young-Chae Chang, Seok-Joong Yun, Hye Jin Hwang, Byung Woo Kim, Wun-Jae Kim, Yung Hyun Choi
Schisandrin A is a bioactive lignan occurring in the fruits of plants of the Schisandra genus that have traditionally been used in Korea for treating various inflammatory diseases. Although the anti-inflammatory and antioxidant effects of lignan analogues similar to schisandrin A have been reported, the underlying molecular mechanisms have remained elusive. In the present study, schisandrin A significantly suppressed the lipopolysaccharide (LPS)-induced production of the key pro-inflammatory mediators nitric oxide (NO) and prostaglandin E2 by suppressing the expression of inducible NO synthase and cyclooxygenase-2 at the mRNA and protein levels in RAW 264...
October 25, 2017: International Journal of Molecular Medicine
https://www.readbyqxmd.com/read/29098187/review-the-role-of-cannabinoids-on-esophageal-function-what-we-know-thus-far
#3
REVIEW
Jonathan Gotfried, Rahul Kataria, Ron Schey
The endocannabinoid system (ECS) primarily consists of cannabinoid receptors (CBRs), endogenous ligands, and enzymes for endocannabinoid biosynthesis and inactivation. Although the presence of CBRs, both CB1 and CB2, as well as a third receptor (G-protein receptor 55 [GPR55]), has been established in the gastrointestinal (GI) tract, few studies have focused on the role of cannabinoids on esophageal function. To date, studies have shown their effect on GI motility, inflammation and immunity, intestinal and gastric acid secretion, nociception and emesis pathways, and appetite control...
2017: Cannabis and Cannabinoid Research
https://www.readbyqxmd.com/read/29079305/kras-yap-and-obesity-in-pancreatic-cancer-a-signaling-network-with-multiple-loops
#4
REVIEW
Guido Eibl, Enrique Rozengurt
Pancreatic ductal adenocarcinoma (PDAC) continues to be a lethal disease with no efficacious treatment modalities. The incidence of PDAC is expected to increase, at least partially because of the obesity epidemic. Increased efforts to prevent or intercept this disease are clearly needed. Mutations in KRAS are initiating events in pancreatic carcinogenesis supported by genetically engineered mouse models of the disease. However, oncogenic KRAS is not entirely sufficient for the development of fully invasive PDAC...
October 24, 2017: Seminars in Cancer Biology
https://www.readbyqxmd.com/read/29079220/himatanthus-drasticus-apocynaceae-latex-reduces-oxidative-stress-and-modulates-cd4-cd8-foxp3-and-hsp-60-expressions-in-sarcoma-180-bearing-mice
#5
Glauco Jonas Lemos Santos, Emanuele Silva Oliveira, Ana Débora Nunes Pinheiro, Patricia Marçal da Costa, José Claudio Carneiro de Freitas, Francisco Glauco de Araújo Santos, Fernanda Maria Machado Maia, Selene Maia de Morais, Diana Célia Sousa Nunes-Pinheiro
ETHNOPHARMACOLOGICAL RELEVANCE: In Brazil, the latex of Himatanthus drasticus is used to treat inflammation, wound healing and cancer. The present study evaluated the antitumoral potential of H. drasticus latex (HdCL) in Sarcoma 180-bearing mice (S180). MATERIALS, METHODS: HdCL was obtained in Crato-CE, Brazil. Qualitative phytochemicals assays, nuclear magnetic resonance (NMR) and microbiological analyzes were performed. Swiss mice were divided into six groups, according to tumor forms: 1) ascitic model, GI (Control; 0...
October 24, 2017: Journal of Ethnopharmacology
https://www.readbyqxmd.com/read/29076685/causes-of-lower-gastrointestinal-bleeding-on-colonoscopy
#6
Attique-Ur-Rehman Jehangiri, Rahid Gul, Rania Hadayat, Adil Naseer Khan, Zabiullah, Liaqat Khursheed
BACKGROUND: Bleeding from anus is usually referred as rectal bleeding but actually rectal bleeding is defined as bleeding from lower colon or rectum, which means bleeding from a place distal to ligament of Treitz. This study was conducted to determine the frequency of different causes of rectal bleeding in patients at Ayub Teaching Hospital, Abbottabad. METHODS: One hundred and seventy-five patients with evidence of rectal bleed, without gender discrimination were selected by non-probability convenient sampling from the out-patient department and general medical wards...
July 2017: Journal of Ayub Medical College, Abbottabad: JAMC
https://www.readbyqxmd.com/read/29075825/effective-communication-of-cross-sectional-imaging-findings-in-crohn-s-disease-comparing-conventional-emr-reporting-to-a-published-scoring-system
#7
Andrew Flint, Naueen A Chaudhry, Michael Riverso, Angela Pham, Patricia P Moser, Lazarus K Mramba, Ellen M Zimmermann, Joseph R Grajo
PURPOSE: The purpose of the article is to compare information regarding small bowel lesions in Crohn's disease (CD) patients communicated by a published scoring system and radiology reports from electronic medical record (EMR) of cross-sectional abdominal imaging. METHODS: Two gastrointestinal radiologists (reference readers) blinded to EMR reports scored cross-sectional imaging exams using a published scoring system. Investigators compared EMR and radiologist scores based on the mentioned findings and severity documentation of each variable...
October 26, 2017: Abdominal Radiology
https://www.readbyqxmd.com/read/29075339/berberine-ameliorates-non-alcoholic-steatohepatitis-in-apoe-mice
#8
Jin Yang, Xiao-Jie Ma, Ling Li, Lei Wang, Ying-Gi Chen, Jing Liu, Yan Luo, Zhen-Jie Zhuang, Wen-Jun Yang, Shu-Fei Zang, Jun-Ping Shi
The aim of the present study was to explore the protective effects of Berberine (BBR) against non-alcoholic steatohepatitis (NASH). Male 4-week-old C57BL/6J Apolipoprotein E-deficient (ApoE(-/-)) mice were divided into the following three groups, which were given different diets: Normal chow diet (SC group); high-fat high-cholesterol diet (HFHC group); and HFHC diet supplemented with BBR (BBR group). Serum biochemical indicators of hepatic function and histological liver tissue changes were evaluated. The expression of neutrophil elastase (NE) and genes involved in the inflammatory response was measured...
November 2017: Experimental and Therapeutic Medicine
https://www.readbyqxmd.com/read/29066931/the-safety-profile-of-parecoxib-for-the-treatment-of-postoperative-pain-a-pooled-analysis-of-28-randomized-double-blind-placebo-controlled-clinical-trials-and-a-review-of-over-10-years-of-postauthorization-data
#9
Stephan A Schug, Bruce Parsons, Chunming Li, Feng Xia
BACKGROUND: Nonselective, nonsteroidal anti-inflammatory drugs (NSAIDs) and selective cyclooxygenase-2 (COX-2) inhibitors are associated with safety issues including cardiovascular, renal, and gastrointestinal (GI) events. OBJECTIVE: To examine the safety of parecoxib, a COX-2 inhibitor, for the management of postoperative pain. DESIGN: Pooled analysis of 28 placebo-controlled trials of parecoxib and review of postauthorization safety data...
2017: Journal of Pain Research
https://www.readbyqxmd.com/read/29045560/inflammatory-gastrointestinal-diseases-associated-with-pd-1-blockade-antibodies
#10
M Collins, J M Michot, F X Danlos, C Mussini, E Soularue, C Mateus, D Loirat, A Buisson, I Rosa, O Lambotte, S Laghouati, N Chaput, C Coutzac, A L Voisin, J C Soria, A Marabelle, S Champiat, C Robert, F Carbonnel
Background: Immune check-point blockade agents have shown clinical activity in cancer patients but are associated with immune-related adverse events that could limit their development. The aim of this study was to describe the gastrointestinal immune-related adverse events (GI-irAE) in patients with cancer treated with anti-PD-1. Methods: this is a retrospective study of consecutive adult patients who had a suspected GI-irAE due to anti-PD-1 antibodies between 2013 and 2016...
November 1, 2017: Annals of Oncology: Official Journal of the European Society for Medical Oncology
https://www.readbyqxmd.com/read/29039845/rna-sequencing-analysis-of-activated-macrophages-treated-with-the-anti-hiv-abx464-in-intestinal-inflammation
#11
Laurent Manchon, Karim Chebli, Laura Papon, Conception Paul, Aude Garcel, Noëlie Campos, Didier Scherrer, Hartmut Ehrlich, Michael Hahne, Jamal Tazi
RNA-Seq enables the generation of extensive transcriptome information providing the capability to characterize transcripts (including alternative isoforms and polymorphism), to quantify expression and to identify differential regulation in a single experiment. To reveal the capacity of new anti-HIV ABX464 candidate in modulating the expression of genes, datasets were generated and validated using RNA-seq approach. This comprehensive dataset will be useful to deepen the comprehensive understanding of the progression of human immunodeficiency virus (HIV) associated with mucosal damage in the gastrointestinal (GI) tract and subsequent inflammation, providing an opportunity to generate new therapies, diagnoses, and preventive strategies...
October 17, 2017: Scientific Data
https://www.readbyqxmd.com/read/29025733/hydrogen-sulfide-an-agent-of-stability-at-the-microbiome-mucosa-interface
#12
John L Wallace, Jean-Paul Motta, Andre G Buret
A diverse range of effects of the intestinal microbiota on mucosal defence and injury has become increasingly clear over the past decade. Hydrogen sulfide (H2S) has emerged as an important mediator of many physiological functions, including gastrointestinal mucosal defence and repair. Hydrogen sulfide is produced gastrointestinal tract tissues and by bacteria residing within the gut, and can influence the function of a wide range of cells. The microbiota also appears to be an important target of hydrogen sulfide...
October 12, 2017: American Journal of Physiology. Gastrointestinal and Liver Physiology
https://www.readbyqxmd.com/read/29024803/graft-derived-reconstitution-of-mucosal-associated-invariant-t-cells-after-allogeneic-hematopoietic-cell-transplantation
#13
Abir Bhattacharyya, Laïla-Aïcha Hanafi, Alyssa Sheih, Jonathan L Golob, Sujatha Srinivasan, Michael J Boeckh, Steven A Pergam, Sajid Mahmood, Kelsey K Baker, Ted A Gooley, Filippo Milano, David N Fredricks, Stanley R Riddell, Cameron J Turtle
Mucosal-associated invariant T (MAIT) cells express a semi-invariant Vα7.2(+) T cell receptor (TCR) that recognizes ligands from distinct bacterial and fungal species. In neonates, MAIT cells proliferate coincident with gastrointestinal (GI) bacterial colonization. In contrast, under non-inflammatory conditions adult MAIT cells remain quiescent due to acquired regulation of TCR signaling. Effects of inflammation and the altered GI microbiota after allogeneic hematopoietic cell transplantation (HCT) on MAIT cell reconstitution have not been described...
October 9, 2017: Biology of Blood and Marrow Transplantation
https://www.readbyqxmd.com/read/28990365/endocannabinoid-related-compounds-in-gastrointestinal-diseases
#14
REVIEW
Marcella Pesce, Alessandra D'Alessandro, Osvaldo Borrelli, Stefano Gigli, Luisa Seguella, Rosario Cuomo, Giuseppe Esposito, Giovanni Sarnelli
The endocannabinoid system (ECS) is an endogenous signalling pathway involved in the control of several gastrointestinal (GI) functions at both peripheral and central levels. In recent years, it has become apparent that the ECS is pivotal in the regulation of GI motility, secretion and sensitivity, but endocannabinoids (ECs) are also involved in the regulation of intestinal inflammation and mucosal barrier permeability, suggesting their role in the pathophysiology of both functional and organic GI disorders...
October 9, 2017: Journal of Cellular and Molecular Medicine
https://www.readbyqxmd.com/read/28988727/the-mycobiome-role-in-health-and-disease-and-as-a-potential-probiotic-target-in-gastrointestinal-disease
#15
REVIEW
Christopher L Hager, Mahmoud A Ghannoum
The human gastrointestinal (GI) tract is home to trillions of microorganisms, some beneficial and others potentially harmful. Recent advances in science have allowed us to identify the multitude of organisms inhabiting the GI tract and parse out those that play a role in inflammatory bowel disease (IBD). Unfortunately, most research has focused on studying only the bacteria while ,overlooking a key player, fungus. In order to address this issue, we have focused our efforts on studying the fungal community in the GI tract known as the mycobiome...
November 2017: Digestive and Liver Disease
https://www.readbyqxmd.com/read/28988571/alcohol-and-gut-derived-inflammation
#16
Faraz Bishehsari, Emmeline Magno, Garth Swanson, Vishal Desai, Robin M Voigt, Christopher B Forsyth, Ali Keshavarzian
In large amounts, alcohol and its metabolites can overwhelm the gastrointestinal tract (GI) and liver and lead to damage both within the GI and in other organs. Specifically, alcohol and its metabolites promote intestinal inflammation through multiple pathways. That inflammatory response, in turn, exacerbates alcohol-induced organ damage, creating a vicious cycle and leading to additional deleterious effects of alcohol both locally and systemically. This review summarizes the mechanisms by which chronic alcohol intake leads to intestinal inflammation, including altering intestinal microbiota composition and function, increasing the permeability of the intestinal lining, and affecting the intestinal immune homeostasis...
2017: Alcohol Research: Current Reviews
https://www.readbyqxmd.com/read/28932838/engineered-biomimetic-nanovesicles-show-intrinsic-anti-inflammatory-properties-for-the-treatment-of-inflammatory-bowel-diseases
#17
Claudia Corbo, Walter E Cromer, Roberto Molinaro, Naama E Toledano Furman, Kelly A Hartman, Enrica De Rosa, Christian Boada, Xin Wang, David C Zawieja, Marco Agostini, Francesco Salvatore, Bincy P Abraham, Ennio Tasciotti
Inflammatory bowel disease (IBD), which includes Crohn's disease and ulcerative colitis, is a chronic inflammatory condition of the gastrointestinal (GI) tract. Currently, it is treated with immunosuppressant or biologics that often induce severe adverse effects. Thus, there is an urgent clinical need for more specific treatments. To provide a valid therapeutic tool for IBD therapy, in this work we developed biomimetic nanovesicles by manipulating leukocyte membranes to exploit mechanisms of T-cell recruitment during inflammation...
October 5, 2017: Nanoscale
https://www.readbyqxmd.com/read/28915302/prevalence-of-gingivitis-in-a-group-of-35-to-70-year-olds-residing-in-puerto-rico
#18
Augusto R Elías-Boneta, Angeliz Encarnación, Sona Rivas-Tumanyan, Beatriz C Berríos-Ouslán, Bayardo García-Godoy, Margarita Murillo, Jomar Diaz-Nicolas, Ferdinand Lugo, Milagros J Toro
OBJECTIVE: Gingivitis, an inflammation of the gingival tissues, typically progresses to periodontitis. The objective of this study is to estimate the prevalence of gingivitis in 35- to 70-year-olds residing in San Juan, Puerto Rico, and assess the differences in gingivitis distribution between age and gender groups. METHODS: A cross-sectional epidemiological study was conducted with a sample of patients from a private practice and patients/employees of the Puerto Rico Medical Center...
September 2017: Puerto Rico Health Sciences Journal
https://www.readbyqxmd.com/read/28905123/no-difference-between-manual-and-different-power-toothbrushes-with-and-without-specific-instructions-in-young-oral-healthy-adults-results-of-a-randomized-clinical-trial
#19
Gerhard Schmalz, Katharina Kiehl, Jan Schmickler, Sven Rinke, Jana Schmidt, Felix Krause, Rainer Haak, Dirk Ziebolz
BACKGROUND: The aim of this randomized clinical study was to detect the effect of an instruction within a group using oscillating-rotating (OR), sonic-active (SA), or manual toothbrushes (MTB) in young, oral healthy adults. METHODS: One hundred fifty participants were randomly assigned into six groups (n = 25): with (OR-I, SA-I, MTB-I) and without instruction (OR-NI, SA-NI, MTB-NI). Participants in I subgroups received one standardized instruction of the toothbrush system...
September 13, 2017: Clinical Oral Investigations
https://www.readbyqxmd.com/read/28903026/differential-expression-of-genes-in-fetal-brain-as-a-consequence-of-maternal-protein-deficiency-and-nematode-infection
#20
Manjurul Haque, Lisa M Starr, Kristine G Koski, Marilyn E Scott
Maternal dietary protein deficiency and gastrointestinal nematode infection during early pregnancy have negative impacts on both maternal placental gene expression and fetal growth in the mouse. Here we used next-generation RNA sequencing to test our hypothesis that maternal protein deficiency and/or nematode infection also alter the expression of genes in the developing fetal brain. Outbred pregnant CD1 mice were used in a 2×2 design with two levels of dietary protein (24% versus 6%) and two levels of infection (repeated sham versus Heligmosomoides bakeri beginning at gestation day 5)...
September 10, 2017: International Journal for Parasitology
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