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Acetic acid induced colitis

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https://read.qxmd.com/read/30903350/thymol-reduces-acetic-acid-induced-inflammatory-response-through-inhibition-of-nf-kb-signaling-pathway-in-rat-colon-tissue
#1
Mohsen Chamanara, Alireza Abdollahi, Seyed Mahdi Rezayat, Mamoud Ghazi-Khansari, Ahmadreza Dehpour, Ehsan Nassireslami, Amir Rashidian
AIM: The aim of the present study was to evaluate the anti-inflammatory effect of thymol in acetic acid-induced rat colitis through inhibiting the NF-κB signaling pathway. METHODS: Colitis was induced by intra-rectal administration of 2 mL of diluted acetic acid (4%) solution using a flexible plastic rubber catheter in Wistar rats. Colitis was induced on the first day and all treatments were applied 5 days after the induction of colitis. Thymol was dissolved in 0...
March 21, 2019: Inflammopharmacology
https://read.qxmd.com/read/30821531/agmatine-ameliorates-acetic-acid-induced-colitis-in-rats-involvement-of-nitrergic-system
#2
Amir Rashidian, Hedieh Keshavarz-Bahaghighat, Alireza Abdollahi, Mohsen Chamanara, Hedyeh Faghir-Ghanesefat, Mohsen Hoseini-Ahmadabadi, Ahmad Reza Dehpour
AIM: The aim of the present study is to investigate the anti-inflammatory effect of agmatine through the inhibition of iNOS enzyme in acetic acid-induced rat colitis. METHODS: Acute colitis was induced by administration of 2 mL of diluted acetic acid (4%) solution rectally. Two hours after colitis induction, animals were treated with normal saline, dexamethasone (2 mg/kg), agmatine (2, 5, 10 mg/kg), L-NAME (30 mg/kg), Aminoguanidine (20 mg/kg), agmatine (2 mg/kg) with L-NAME (30 mg/kg) and agmatine (2 mg/kg) with aminoguanidine (20 mg/kg) intraperitoneally and continued for 3 consecutive days...
March 1, 2019: Immunopharmacology and Immunotoxicology
https://read.qxmd.com/read/30758715/natural-cac-chemopreventive-agents-from-ilex-rotunda-thunb
#3
Yueqing Han, Lin Zhang, Wei Li, Xinran Liu, Jiao Xiao, Gang Chen, Ning Li
Colitis-associated cancer (CAC) is one of the most serious complications of inflammatory bowel disease. The pathogenesis of CAC is complicated and so far elusive, and the anti-inflammatory effect does not assure CAC preventive activity, making it difficult to discover CAC preventive drugs. In this study, we report the CAC preventive effect of the ethyl acetate (EIR) of Ilex rotunda Thunb., a traditional Chinese herbal medicine being clinically used to treat intestinal disease. We also report the results of screening for CAC preventive agents from EIR via a nuclear factor-kappa B (NF-κB) translocation model in Caco2 cells, since activated NF-κB can be used by tumor cells at the early stage of tumorigenesis...
February 13, 2019: Journal of Natural Medicines
https://read.qxmd.com/read/30616083/zeaxanthin-exerts-protective-effects-on-acetic-acid-induced-colitis-in-rats-via-modulation-of-pro-inflammatory-cytokines-and-oxidative-stress
#4
Gehan El-Akabawy, Neveen M El-Sherif
Ulcerative colitis is a common intestinal inflammatory disease characterized by upregulation of pro-inflammatory cytokines and oxidative stress. Zeaxanthin is a nutritional carotenoid that belongs to the xanthophyll family of pigments. It exerts potent anti-inflammatory and antioxidative effects. The present study aimed to evaluate the effect of zeaxanthin on acetic acid-induced ulcerative colitis in rats. Rats were randomly categorized into five groups: control, zeaxanthin, acetic acid, acetic acid + zeaxanthin, and acetic acid + prednisolone groups...
January 4, 2019: Biomedicine & Pharmacotherapy
https://read.qxmd.com/read/30594690/olmesartan-ameliorates-chemically-induced-ulcerative-colitis-in-rats-via-modulating-nf%C3%AE%C2%BAb-and-nrf-2-ho-1-signaling-crosstalk
#5
Sameh Saber, Rania M Khalil, Walied S Abdo, Doaa Nassif, Eman El-Ahwany
Alteration in the expression pattern of Nrf-2 and NFκB has been reported in ulcerative colitis (UC) in which functional crosstalk between these two critical pathways has been suggested. The ameliorative potential of the AT1R blocker olmesartan (OLM) on oxidative stress and inflammatory cytokines has received considerable attention in recent years. Acetic acid (AA)-induced UC demonstrates close resemblance to human UC regarding histopathological features and cytokine profile and is associated with local intense immune response, oxidative stress and release of inflammatory cytokines...
February 1, 2019: Toxicology and Applied Pharmacology
https://read.qxmd.com/read/30572047/efficacy-of-co-administration-of-modified-apple-polysaccharide-and-probiotics-in-guar-gum-eudragit-s100-based-mesalamine-mini-tablets-a-novel-approach-in-treating-ulcerative-colitis
#6
Souvik Mohanta, Sachin Kumar Singh, Bimlesh Kumar, Monica Gulati, Rajesh Kumar, Ankit Kumar Yadav, Sheetu Wadhwa, Jivan Jyoti, Sananda Som, Kamal Dua, Narendra Kumar Pandey
Modified Apple Polysaccharide (MAP) has been reported to cure colorectal diseases by up-regulating apoptosis and down regulating metastasis. In the present study, mesalamine (MES) and MAP mini tablets have been prepared and co-administered with probiotics to provide site specific release of drug. Probiotics along with MAP, which acts as a prebiotic would replenish the colonic microflora that have been compromised due to colorectal pathology. MES mini tablets were prepared keeping guar gum in the core and coating them with Eudragit S100 and guar gum...
December 17, 2018: International Journal of Biological Macromolecules
https://read.qxmd.com/read/30551414/protection-afforded-by-methanol-extract-of-calotropis-procera-latex-in-experimental-model-of-colitis-is-mediated-through-inhibition-of-oxidative-stress-and-pro-inflammatory-signaling
#7
Vijay L Kumar, Abhimanu Pandey, Sneh Verma, Prasenjit Das
Calotropis procera, a latex producing plant is known to possess medicinal properties including its beneficial effect in gastrointestinal disorders. The anti-inflammatory effect of its latex in various experimental models is noteworthy and in light of this the present study was carried out with an objective to evaluate its efficacy in ulcerative colitis, an inflammatory condition of the colon. Colitis was induced in rats by acetic acid and the rats were divided into four groups where one group served as experimental control and the other groups were treated with two doses of methanol extract of dried latex of C...
January 2019: Biomedicine & Pharmacotherapy
https://read.qxmd.com/read/30483861/gadolinium-chloride-attenuates-acetic-acid-evoked-colitis-in-mice-by-reducing-neutrophil-infiltration-and-pro-oxidative-enzyme-activity
#8
Meriem Ferrat, Hichem Moulahoum, Belkacem Mohamed Amine Boumaza, Souad Mouzaoui, Axel Périanin, Bahia Djerdjouri
This study investigated the potential of gadolinium chloride (GdCl3 ), an inhibitor of kupffer cells on the myeloperoxidase (MPO) function, both in vivo on colon inflammation model and in vitro on thioglycollate-elicited peritoneal neutrophils. Colon inflammation was induced in mice (n = 7) by 4% acetic acid (AA) enema. GdCl3 (10 mg/kg) treatment was given 24 h before AA challenge. Clinical changes during the protocol were scored. Colons were segmented into distal and proximal parts for histological and biochemical assessment...
November 27, 2018: Naunyn-Schmiedeberg's Archives of Pharmacology
https://read.qxmd.com/read/30416352/evaluation-of-anti-ulcer-and-ulcerative-colitis-of-sonchus-oleraceus-l
#9
Esraa A Alothman, Amani S Awaad, Amal A Safhi, Shekhah S Almoqren, Reham M El-Meligy, Yara M Zain, Fatmah A Alasmary, Saleh I Alqasoumi
Sonchus oleraceus L. was evaluated for its gastro antiulcerogenic and anti-ulcerative colitis activities Different extracts and fractions from Sonchus oleraceus aerial parts and roots were evaluated at different dose; total alcohol extracts of aerial parts SA and roots SR were evaluated doses 250 & 500 mg/kg, While Successive extracts (SAL, SRL, CSA, CSR, BSA & BSR) were evaluated at dose of 150 mg/kg. Absolute ethanol-induced ulcer model was used for evaluation of the anti-ulcerogenic activity...
November 2018: Saudi Pharmaceutical Journal: SPJ: the Official Publication of the Saudi Pharmaceutical Society
https://read.qxmd.com/read/30408459/the-possible-ameliorative-effect-of-simvastatin-versus-sulfasalazine-on-acetic-acid-induced-ulcerative-colitis-in-adult-rats
#10
N A Soliman, W A Keshk, F H Rizk, M A Ibrahim
OBJECTIVE: Inflammatory bowel diseases (IBD) are chronic and recurrent disorders of the gastrointestinal tract with unknown etiology and have two major forms, ulcerative colitis (UC) and Crohn diseases. In view of the adverse effects and incomplete efficacy of currently administered drugs, it is essential to investigate new and harmless drugs with more desirable beneficial effects. Statins have many additional pleiotropic effects other than their lipid-lowering effect. This study aims to investigate the role of simvastatin (SIM) at different doses against induced UC in rats...
November 5, 2018: Chemico-biological Interactions
https://read.qxmd.com/read/30345233/protective-effect-of-mumiju-against-acetic-acid-induced-ulcerative-colitis-in-rats
#11
Nadar Shahrokhi, Zakieh Keshavarzi, Mohammad Khaksari Haddad, Fereshteh Amirafzali, Shahriar Dabiri, Nava Shahrokhi
Objective: In this study, we elucidated the ameliorative effect of aqueous extract of leaves of Mumiju against acetic acid-induced experimental colitis in male rats. Materials and Methods: The animals were randomly divided into four groups (n=7) including I: control group, II: vehicle group (injected with 2 ml acetic acid (4%) intra rectally), III and IV: treatment groups which received Mumiju (250 mg/kg) orally or intraperitoneally for 4 consecutive days after ulcer induction...
September 2018: Avicenna Journal of Phytomedicine
https://read.qxmd.com/read/30318564/involvement-of-central-opioid-receptors-in-protective-effects-of-methadone-on-experimental-colitis-in-rats
#12
Nahid Fakhraei, Nina Javadian, Reza Rahimian, Fatemeh Nili, Nastaran Rahimi, Shiva Hashemizadeh, Ahmad Reza Dehpour
PURPOSE: There are several lines of evidence on the protective roles of opioids in gastrointestinal inflammatory conditions. This study aims to distinguish the central and peripheral roles of methadone, a non-selective opioid receptor agonist, in an acute model of ulcerative colitis in male rats. METHODS: Ulcerative colitis was induced by intrarectal administration of acetic acid 4%. Methadone was injected subcutaneously (s.c.), 5 and 10 mg/kg, and intracerebroventricular (i...
December 2018: Inflammopharmacology
https://read.qxmd.com/read/30166899/anti-ulcerogenic-and-anti-ulcerative-colitis-uc-activities-of-seven-amines-derivatives
#13
Amani S Awaad, Ahmed M Alafeefy, Fatmah A S Alasmary, Reham M El-Meligy, Saleh I Alqasoumi
The Novel target compounds (CP-1-7) were synthesized and tested at doses up to 1000 mg/kg for their entitled activities. They exerted promising results without any behavioral changes and mortality in mice. Therefore, according to the results obtained in our study, it could be categorized as highly safe agents for treating UC since substances possessing LD50 higher than 50 mg/kg are considered nontoxic. They also possessed a potent anti-ulcerogenic activity with different potentials. The most effective compound was CP-4, it produced 97...
December 2017: Saudi Pharmaceutical Journal: SPJ: the Official Publication of the Saudi Pharmaceutical Society
https://read.qxmd.com/read/30089249/treatment-with-trichilia-catigua-ethyl-acetate-fraction-improves-healing-and-reduces-oxidative-stress-in-tnbs-induced-colitis-in-rats
#14
Fernando Augusto Vicentini, Maiara Morselli Coelho Barbosa, Maísa Carla Fortunato, Ciomar Aparecida Bersani Amado, Jurandir Fernando Comar, Renata Longhini, João Carlos Palazzo de Mello, Maria Raquel Marçal Natali
Beverages containing Trichilia catigua are commonly employed in folk medicine. T. catigua bark extracts possess antioxidant, anti-inflammatory, and bactericidal properties. These properties suggest T. catigua bark extracts as a potential treatment for inflammatory bowel diseases (IBD). Using the 2,4,6-trinitrobenzenesulphonic acid (TNBS)-induced model of colitis in rats we evaluated the effect of an ethyl-acetate fraction (EAF) of T. catigua (200 mg/kg) administered by daily oral gavage or intrarectally at different time points after TNBS challenge...
November 2018: Biomedicine & Pharmacotherapy
https://read.qxmd.com/read/30042998/effects-of-dietary-tryptophan-supplementation-in-the-acetic-acid-induced-colitis-mouse-model
#15
Shuai Chen, Meiwei Wang, Lanmei Yin, Wenkai Ren, Peng Bin, Yaoyao Xia, Gang Liu, Huansheng Yang, Bie Tan, Yulong Yin
Inflammatory bowel disease (IBD) is characterized by chronic inflammation of the gastrointestinal tract and is strongly associated with intestinal immunity and the microbiome. Tryptophan (Trp) is an inflammatory inhibitor and modulator of the intestinal microflora. We explored the serum profile of amino acids and the effects of diet supplementation with Trp (1.0 g kg-1) on intestinal immunity and microbiota in the acetic acid-induced colitis mouse model. We analyzed the survival rate, colonic morphological parameters, profiles of serum amino acids, microbiota in colonic contents and the relative gene abundance of intestinal proinflammatory cytokines...
August 15, 2018: Food & Function
https://read.qxmd.com/read/30002711/pretreatment-with-obestatin-inhibits-the-development-of-acetic-acid-induced-colitis-in-rats
#16
Aleksandra Matuszyk, Piotr Ceranowicz, Zygmunt Warzecha, Jakub Cieszkowski, Krystyna Gałązka, Joanna Bonior, Jolanta Jaworek, Peter Christopher Konturek, Krzysztof Gil, Artur Dembiński
Introduction: Obestatin is a 23-amino acid peptide derived from proghrelin, a common prohormone for ghrelin and obestatin. Previous studies have shown that obestatin exhibits some protective and therapeutic effects in the pancreas and stomach. The aim of this study was to examine the effect of pretreatment with obestatin on the development of acetic acid-induced colitis. Material and methods: Studies were performed on Wistar rats. Before induction of colitis, rats were treated intraperitoneally with saline or obestatin, administered twice at a dose of 4, 8 or 16 nmol/kg/dose...
June 2018: Archives of Medical Science: AMS
https://read.qxmd.com/read/29958056/fresh-fruit-juice-of-opuntia-dillenii-haw-attenuates-acetic-acid-induced-ulcerative-colitis-in-rats
#17
S Babitha, K Bindu, Taj Nageena, V P Veerapur
The present study aimed to evaluate the protective effect of fresh fruit juice of Opuntia dillenii Haw. (FJOD) on acetic acid-induced ulcerative colitis in rats. Fresh FJOD (2.5 and 5 ml/kg) and sulfasalazine (100 mg/kg) were given orally for seven consecutive days prior to colitis induction on the eighth day by intrarectal acetic acid (4% v/v) administration. Macroscopic, clinical activity scoring, biochemical, and histopathological examinations of colon were used to assess colonic damage. FJOD and sulfasalazine treatment significantly attenuated the macroscopic damage, clinical activity score, and wet weight of the colon when compared to disease control and further showed significantly reduced levels of myeloperoxidase, malondialdehyde, and serum lactate dehydrogenase and enhanced colonic levels of reduced glutathione...
June 29, 2018: Journal of Dietary Supplements
https://read.qxmd.com/read/29895146/camellia-oil-camellia-oleifera-abel-modifies-the-composition-of-gut-microbiota-and-alleviates-acetic-acid-induced-colitis-in-rats
#18
Wei-Ting Lee, Yu-Tang Tung, Chun-Ching Wu, Pang-Shuo Tu, Gow-Chin Yen
Ulcerative colitis (UC), one type of chronic inflammatory bowel disease (IBD), is a chronic and recurrent disorder of the gastrointestinal (GI) tract. As camellia oil (CO) is traditionally used to treat GI disorders, this study investigated the role of CO on acetic acid-induced colitis in the rat. The composition of the gut microbial community is related to many diseases; thus, this study also investigated the effects of CO on the composition of the gut microbiota. The rats were fed a dose of 2 mL/kg body weight CO, olive oil (OO), or soybean oil (SO) once a day for 20 days, and the gut microbiota was analyzed using 16S rRNA gene sequencing...
July 18, 2018: Journal of Agricultural and Food Chemistry
https://read.qxmd.com/read/29879761/the-protective-effect-of-melissa-officinalis-l-in-visceral-hypersensitivity-in-rat-using-2-models-of-acid-induced-colitis-and-stress-induced-irritable-bowel-syndrome-a-possible-role-of-nitric-oxide-pathway
#19
Fatemeh Dolatabadi, Amir H Abdolghaffari, Mohammad H Farzaei, Maryam Baeeri, Fatemeh S Ziarani, Majid Eslami, Mohammad Abdollahi, Roja Rahimi
Background/Aims: The aim of present study is to estimate the effects of Melissa officinalis L. (MO) on visceral hypersensitivity (VH), defecation pattern and biochemical factors in 2 experimental models of irritable bowel syndrome (IBS) and the possible role of nitric oxide. Methods: Two individual models of IBS were induced in male Wistar-albino rats. In the acetic acid model, the animals were exposed to rectal distension and abdominal withdrawal reflex, and the defecation patterns were determined...
July 30, 2018: Journal of Neurogastroenterology and Motility
https://read.qxmd.com/read/29736689/protective-effects-of-conventional-and-colon-targeted-lycopene-and-linalool-on-ulcerative-colitis-induced-by-acetic-acid-in-rats
#20
İbrahim Ozan Tekeli, Ahmet Ateşşahin, Fatih Sakin, Abdullah Aslan, Songül Çeribaşı, Mustafa Yipel
OBJECTIVE: To compare the potential protective effects of conventional and colon-targeted lycopene (TLC) and linalool (TLN) on acetic acid (AA)-induced ulcerative colitis (UC) in rats. METHODS: Conventional and colon-targeted LC (10 mg/kg) and LN (200 mg/kg) were administered in vivo orally for 7 days and sulfasalazine (100 mg/kg) was also used as reference drug. Then, 4% AA was administered intrarectally to induce UC. Subsequently, the colon tissues were taken as samples for biochemical and histopathological analysis...
May 7, 2018: Inflammopharmacology
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