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https://www.readbyqxmd.com/read/29913299/pharmacological-and-toxicological-study-of-a-chemical-standardized-ethanol-extract-of-the-branches-and-leaves-from-eysenhardtia-polystachya-ortega-sarg-fabaceae
#1
Angel Josabad Alonso-Castro, Juan Ramón Zapata-Morales, Victor Arana-Argáez, Julio Cesar Torres-Romero, Eyra Ramírez-Villanueva, Sabino Eduardo Pérez-Medina, Marco Antonio Ramírez-Morales, Mario Alberto Juárez-Méndez, Yessica Paola Infante-Barrios, Fidel Martínez-Gutiérrez, Candy Carranza-Álvarez, Mario Alberto Isiordia-Espinoza, Andrés Flores-Santos
Eysenhardtia polystachya is used for the empirical treatment of cancer, infections, diarrhea, inflammation, and pain. This study identified, using GC-MS, the main chemical components in an ethanol extract of E. polystachya branches and leaves (EPE) and tested its cytotoxic, antimicrobial, anti-diarrheal, anti-inflammatory, and antinociceptive effects. The in vitro and in vivo toxicity of EPE was evaluated using the comet assay in human peripheral blood mononuclear cells (PBMC) and the acute toxicity test in mice, respectively...
June 15, 2018: Journal of Ethnopharmacology
https://www.readbyqxmd.com/read/29757493/egg-yolk-provides-th2-adjuvant-stimuli-and-promotes-sensitization-to-egg-white-allergens-in-balb-c-mice
#2
Alba Pablos-Tanarro, Daniel Lozano-Ojalvo, Mónica Martínez-Blanco, Elena Molina, Rosina López-Fandiño
SCOPE: Egg is the second most frequent source of allergic reactions in children. Egg yolk (EY) amounts to one third in weight of a fresh whole egg, but its contribution to egg allergy has not been investigated in depth. This study assesses whether EY influences the capacity of egg white (EW) to sensitize and trigger allergic responses. METHODS AND RESULTS: BALB/c mice were exposed to EW, EY and their mixture, using models of orally (with and without adjuvant) and adjuvant-free intraperitoneally-induced allergy...
May 14, 2018: Molecular Nutrition & Food Research
https://www.readbyqxmd.com/read/29713130/mucosa-repair-mechanisms-of-tong-xie-yao-fang-mediated-by-crh-r2-in-murine-dextran-sulfate-sodium-induced-colitis
#3
Shan-Shan Gong, Yi-Hong Fan, Shi-Yi Wang, Qing-Qing Han, Bin Lv, Yi Xu, Xi Chen, Yao-Er He
AIM: To explore the significance of corticotropin-releasing hormone (CRH)-receptor (R)2 in mucosal healing of dextran sulfate sodium (DSS)-induced colitis and the effect of Tong-Xie-Yao-Fang (TXYF) on CRH-R2 expression and regulation. METHODS: Ulcerative colitis was induced in mice by administration of 3% (w/v) DSS for 7 d. Once the model was established, mice were administered urocortin-2 (30 μg/kg), a peptide which binds exclusively to CRH-R2, or various doses of aqueous TXYF extracts (2...
April 28, 2018: World Journal of Gastroenterology: WJG
https://www.readbyqxmd.com/read/29544771/dietary-myo-inositol-deficiency-decreased-intestinal-immune-function-related-to-nf-%C3%AE%C2%BAb-and-tor-signaling-in-the-intestine-of-young-grass-carp-ctenopharyngodon-idella
#4
Shuang-An Li, Wei-Dan Jiang, Lin Feng, Yang Liu, Pei Wu, Jun Jiang, Sheng-Yao Kuang, Ling Tang, Wu-Neng Tang, Yong-An Zhang, Juan Yang, Xu Tang, He-Qun Shi, Xiao-Qiu Zhou
In this study, we investigated the effects of dietary myo-inositol on the intestinal immune barrier function and related signaling pathway in young grass carp (Ctenopharyngodon idella). A total of 540 young grass carp (221.33 ± 0.84 g) were fed six diets containing graded levels of myo-inositol (27.0, 137.9, 286.8, 438.6, 587.7 and 737.3 mg/kg) for 10 weeks. After the growth trial, fish were challenged with Aeromonas hydrophila. The results indicated that compared with the optimal dietary myo-inositol level, myo-inositol deficiency (27...
May 2018: Fish & Shellfish Immunology
https://www.readbyqxmd.com/read/29427515/injury-repair-inflammation-and-metaplasia-in-the-stomach
#5
Anne R Meyer, James R Goldenring
The development of intestinal-type gastric cancer is preceded by the emergence of metaplastic cell lineages in the gastric mucosa. In particular, intestinal metaplasia and spasmolytic polypeptide-expressing metaplasia (SPEM) have been associated with the pathological progression to intestinal-type gastric cancer. The development of SPEM represents a physiological response to damage that recruits reparative cells to sites of mucosal injury. Metaplastic cell lineages are characterized by mucus secretion, adding a protective barrier to the epithelium...
February 10, 2018: Journal of Physiology
https://www.readbyqxmd.com/read/29346656/host-responses-to-intestinal-nematodes
#6
Koubun Yasuda, Kenji Nakanishi
Helminth infection remains common in developing countries, where residents who suffer from the consequences of such infections can develop serious physical and mental disorders and often persist in the face of serious economic problems. Intestinal nematode infection induces the development of Th2-type immune responses including the B-cell IgE response; additionally, this infection induces an increase in the numbers and activation of various types of effector cells, such as mast cells, eosinophils and basophils, as well as the induction of goblet cell hyperplasia, anti-microbial peptide production and smooth-muscle contraction, all of which contribute to expel nematodes...
March 10, 2018: International Immunology
https://www.readbyqxmd.com/read/29228651/dietary-feeding-of-freeze-dried-whole-cranberry-inhibits-intestinal-tumor-development-in-apc-min-mice
#7
Duochen Jin, Tianyu Liu, Wenxiao Dong, Yujie Zhang, Sinan Wang, Runxiang Xie, Bangmao Wang, Hailong Cao
It is increasingly perceived that dietary components have been linked with the prevention of intestinal cancer. Cranberry is a rich source of phenolic constituents and non-digestible fermentable dietary fiber, which shows anti-proliferation effect in colorectal cancer cells. Herein, we investigated the efficacy of long-term cranberry diet on intestinal adenoma formation in Apc min/+ mice. Apc min/+ mice were fed a basal diet or a diet containing 20% (w/w) freeze-dried whole cranberry powder for 12 weeks, and the number and size of tumors were recorded after sacrifice...
November 17, 2017: Oncotarget
https://www.readbyqxmd.com/read/29164569/correlation-between-intestinal-flora-and-serum-inflammatory-factors-in-patients-with-crohn-s-disease
#8
J Zhang, S-L Chen, L-B Li
OBJECTIVE: We investigated the correlation between intestinal flora and serum inflammatory factors in patients with Crohn's disease. PATIENTS AND METHODS: From February 2014 to June 2016, 132 patients with Crohn's were enrolled in this study. There were 84 males and 48 females. The age range was from 28 to 72 years. We had 62 patients in active stage (the activity group) and 70 patients in remission stage (the remission group). We also enrolled 71 healthy cases in the control group...
November 2017: European Review for Medical and Pharmacological Sciences
https://www.readbyqxmd.com/read/29128645/kunitz-type-protease-inhibitor-as-a-vaccine-candidate-against-schistosomiasis-mansoni
#9
Shiwanthi L Ranasinghe, Mary Duke, Marina Harvie, Donald P McManus
OBJECTIVE: The aim of this study was to develop a vaccine against schistosomiasis, which is a major challenge due to the complex lifecycle of the causative schistosome parasite. METHODS: SmKI-1 is a 16-kDa Kunitz-type protease inhibitor present in the excretory-secretory products and tegument of adult worms and eggs of Schistosoma mansoni. Two independent vaccine trials were performed in mice to determine the efficacy of rSmKI-1 in developing protective immunity...
January 2018: International Journal of Infectious Diseases: IJID
https://www.readbyqxmd.com/read/29049008/exogenous-murine-antimicrobial-peptide-cramp-significantly-exacerbates-ovalbumin-induced-airway-inflammation-but-ameliorates-oxazolone-induced-intestinal-colitis-in-balb-c-mice
#10
Yang Li, Xiaojie Chu, Cunbao Liu, Weiwei Huang, Yufeng Yao, Ye Xia, Pengyan Sun, Qiong Long, Xuejun Feng, Kui Li, Xu Yang, Hongmei Bai, Wenjia Sun, Yanbing Ma
Cathelicidin has been reported to be multifunctional. The current study aimed to investigate the influences of exogenous cathelicidin-related antimicrobial peptide (CRAMP) on inflammatory responses in different disease models. In OVA-induced allergic airway inflammation, CRAMP significantly enhanced the infiltration of inflammatory cells and accumulation of proinflammatory Th2 cytokine IL-13 and IL-33 in bronchial alveolar lavage fluid (BALF), exacerbated lung tissue inflammation and airway goblet cell hyperplasia, and elevated OVA-specific IgE level in serum...
January 2, 2018: Human Vaccines & Immunotherapeutics
https://www.readbyqxmd.com/read/29045902/epidermal-growth-factor-receptor-expression-licenses-type-2-helper-t-cells-to-function-in-a-t-cell-receptor-independent-fashion
#11
Carlos M Minutti, Sebastian Drube, Natalie Blair, Christian Schwartz, Jame C McCrae, Andrew N McKenzie, Thomas Kamradt, Michal Mokry, Paul J Coffer, Maria Sibilia, Alice J Sijts, Padraic G Fallon, Rick M Maizels, Dietmar M Zaiss
Gastro-intestinal helminth infections trigger the release of interleukin-33 (IL-33), which induces type-2 helper T cells (Th2 cells) at the site of infection to produce IL-13, thereby contributing to host resistance in a T cell receptor (TCR)-independent manner. Here, we show that, as a prerequisite for IL-33-induced IL-13 secretion, Th2 cells required the expression of the epidermal growth factor receptor (EGFR) and of its ligand, amphiregulin, for the formation of a signaling complex between T1/ST2 (the IL-33R) and EGFR...
October 17, 2017: Immunity
https://www.readbyqxmd.com/read/28943769/effect-of-lactic-acid-bacteria-fermented-mulberry-leaf-extract-on-the-improvement-of-intestinal-function-in-rats
#12
Hyun-Joo Lee, Hwan Lee, Yang-Il Choi, Jae-Joon Lee
This study examined the laxative effects of mulberry leaf extract (MLE) fermented by lactic acid bacteria (LAB), which contains high levels of polyphenolic and flavonoid compounds, against loperamide-induced constipation in rats. Sprague-Dawley rats were divided into a normal group (N) and three experimental groups; loperamide treated group (C), loperamide and LAB-fermented MLE 300 mg/kg treated group (MLEL), and loperamide and LAB-fermented MLE 600 mg/kg treated group (MLEH). After 33 d, fecal pellet amount, fecal weight, water content of fecal, gastrointestinal transit time and length, and serum lipid profiles were measured...
2017: Korean Journal for Food Science of Animal Resources
https://www.readbyqxmd.com/read/28870670/il-1-receptor-like-1-protects-against-alcoholic-liver-injury-by-limiting-nf-%C3%AE%C2%BAb-activation-in-hepatic-macrophages
#13
Meng Wang, Guannan Shen, Liangguo Xu, Xiaodong Liu, Jared M Brown, Dechun Feng, Ruth Ann Ross, Bin Gao, Suthat Liangpunsakul, Cynthia Ju
BACKGROUND & AIM: Alcohol consumption, through increasing intestinal permeability and causing hepatocytes damage, leads to the release of pathogen- and damage-associated molecular pattern molecules (PAMPs and DAMPs). These molecules stimulate hepatic macrophages (MΦs) and activate NF-κB, resulting in inflammation and exacerbating alcoholic liver disease (ALD). However, much less is known about the mechanisms attenuating inflammation and preventing disease progression in the majority of the heavy drinkers...
September 1, 2017: Journal of Hepatology
https://www.readbyqxmd.com/read/28844856/rip3-and-pmlkl-promote-necroptosis-induced-inflammation-and-alter-membrane-permeability-in-intestinal-epithelial-cells
#14
Anna Negroni, Eleonora Colantoni, Maria Pierdomenico, Francesca Palone, Manuela Costanzo, Salvatore Oliva, Antonio Tiberti, Salvatore Cucchiara, Laura Stronati
BACKGROUND: Necroptosis is an inflammatory form of programmed cell death requiring receptor-interacting protein kinase 3 (RIP3) and mixed lineage kinase domain-like protein (MLKL). AIMS: The aim of this study is to examine in depth in vitro and ex vivo the contribution of necroptosis to intestinal inflammation. METHODS: In vitro: we used an intestinal cell line, HCT116RIP3, produced in our laboratory and overexpressing RIP3. Ex vivo: intestinal mucosal biopsies were taken from patients with inflammatory bowel disease (IBD) (20 with Crohn's disease; 20 with ulcerative colitis) and from 20 controls...
August 10, 2017: Digestive and Liver Disease
https://www.readbyqxmd.com/read/28770467/candidate-gene-analysis-in-pathogenesis-of-surgically-and-non-surgically-treated-necrotizing-enterocolitis-in-preterm-infants
#15
Dawid Szpecht, Natalia Neumann-Klimasińska, Michał Błaszczyński, Agnieszka Seremak-Mrozikiewicz, Grażyna Kurzawińska, Dorothy Cygan, Marta Szymankiewicz, Krzysztof Drews, Janusz Gadzinowski
Necrotizing enterocolitis (NEC) is one of the most severe and unpredictable complications of prematurity. There are two possible mechanisms involved in the pathogenesis of NEC: individual inflammatory response and impaired blood flow in mesenteric vessels with secondary ischemia of the intestine. The aim of this study was to evaluate the possible relationship between polymorphisms: Il-1β 3953C>T, Il-6 -174G>C and -596G>A, TNFα -308G>A, and 86 bp variable number tandem repeat polymorphism of interleukin-1 receptor antagonist (Il-1RN VNTR 86 bp) and three polymorphisms that may participate in arteries tension regulation and in consequence in intestine blood flow impairment: eNOS (894G>T and -786T>C) and END-1 (5665G>T) and NEC in 100 infants born from singleton pregnancy, before 32 + 0 weeks of gestation, exposed to antenatal steroids therapy, and without congenital abnormalities...
February 2018: Molecular and Cellular Biochemistry
https://www.readbyqxmd.com/read/28710436/epithelial-derived-il-33-promotes-intestinal-tumorigenesis-in-apc-min-mice
#16
Zhengxiang He, Lili Chen, Fabricio O Souto, Claudia Canasto-Chibuque, Gerold Bongers, Madhura Deshpande, Noam Harpaz, Huaibin M Ko, Kevin Kelley, Glaucia C Furtado, Sergio A Lira
Increased expression of Interleukin (IL)-33 has been detected in intestinal samples of patients with ulcerative colitis, a condition associated with increased risk for colon cancer, but its role in the development of colorectal cancer has yet to be fully examined. Here, we investigated the role of epithelial expressed IL-33 during development of intestinal tumors. IL-33 expression was detected in epithelial cells in colorectal cancer specimens and in the Apc Min/+ mice. To better understand the role of epithelial-derived IL-33 in the intestinal tumorigenesis, we generated transgenic mice expressing IL-33 in intestinal epithelial cells (V33 mice)...
July 14, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28687373/il-33-and-the-intestine-the-good-the-bad-and-the-inflammatory
#17
REVIEW
Zerina Hodzic, Ellen Merrick Schill, Alexa M Bolock, Misty Good
Interleukin-33 (IL-33) is a member of the IL-1 cytokine family that has been widely studied since its discovery in 2005 for its dichotomous functions in homeostasis and inflammation. IL-33, along with its receptor suppression of tumorigenicity 2 (ST2), has been shown to modulate both the innate and adaptive immune system. Originally, the IL-33/ST2 signaling axis was studied in the context of inducing type 2 immune responses with the expression of ST2 by T helper 2 (TH 2) cells. However, the role of IL-33 is not limited to TH 2 responses...
December 2017: Cytokine
https://www.readbyqxmd.com/read/28627342/-baicalein-attenuates-acute-lung-injury-induced-by-intestinal-ischemia-reperfusion-via-inhibition-of-nuclear-factor-%C3%AE%C2%BAb-pathway-in-mice
#18
Lei Chu, Fenyong Zhu, Wenjun Zhou, Zhongxiang Du, Jie Li, Xiaohong Wang, Lihui Wang, Anding Liu
OBJECTIVE: To investigate the effects of baicalein (Bai) on acute lung injury (ALI) induced by intestinal ischemia/reperfusion (I/R) and its mechanism in mice. METHODS: Twenty-four male C57BL/6J mice were divided into three groups by random number table: namely sham group, I/R group and Bai+I/R group, with 8 mice in each group. Intestinal I/R induced lung injury model was reproduced by clamping superior mesenteric artery for 90 minutes, followed by reperfusion. Bai (100 mg/kg) was intraperitoneally injected 1 hour before ischemic challenge in the Bai+I/R group...
March 2017: Zhonghua Wei Zhong Bing Ji Jiu Yi Xue
https://www.readbyqxmd.com/read/28627210/lactobacillus-rhamnosusgg-reduces-hepatic-fibrosis-in-a-model-of-chronic-liver-disease-in-rats
#19
Thais Ortiz Hammes, Renata Leke, Thayssa Dalla Costa Escobar, Laisa Beduschi Fracasso, Fabiola Schons Meyer, Michael Éverton Andrades, Themis Reverbel da Silveira
BACKGROUND: The intestinal dysbiosis is common in chronic liver disease and can induce to inflammatory responses and mediate the collagen deposition in the liver. AIM: To evaluate the probiotic Lactobacillus rhamnosus GG (LGG) for the treatment of liver fibrosis in a model of chronic cholestatic liver disease in rats. METHODS: Male adult Wistar rats (n = 29) were submitted to common bile duct ligation (BDL groups) or manipulation of common bile duct without ligation (Ctrl groups)...
June 5, 2017: Nutrición Hospitalaria: Organo Oficial de la Sociedad Española de Nutrición Parenteral y Enteral
https://www.readbyqxmd.com/read/28622455/intestinal-metabolites-are-profoundly-altered-in-the-context-of-hla-b27-expression-and-functionally-modulate-disease-in-a-rat-model-of-spondyloarthritis
#20
Mark Asquith, Sean Davin, Patrick Stauffer, Claire Michell, Cathleen Janowitz, Phoebe Lin, Joe Ensign-Lewis, Jason M Kinchen, Dennis R Koop, James T Rosenbaum
OBJECTIVE: HLA-B27-associated spondyloarthritides are associated with an altered intestinal microbiota and bowel inflammation. We undertook this study to identify HLA-B27-dependent changes in both host and microbial metabolites in the HLA-B27/β2 -microglobulin (β2 m)-transgenic rat and to determine whether microbiota-derived metabolites could impact disease in this major model of spondyloarthritis. METHODS: Cecal contents were collected from Fischer 344 33-3 HLA-B27/β2 m-transgenic rats and wild-type controls at 6 weeks (before disease) and 16 weeks (with active bowel inflammation)...
October 2017: Arthritis & Rheumatology
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