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5-aminosalicylic acid

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https://www.readbyqxmd.com/read/28213866/5-aminosalicylic-acid-attenuates-monocrotaline-induced-pulmonary-arterial-hypertension-in-rats-by-increasing-the-expression-of-nur77
#1
Ling-Yue Sun, Zong-Ye Cai, Jun Pu, Jian Li, Jie-Yan Shen, Cheng-de Yang, Ben He
The aim of this study is to investigate the effect of 5-aminosalicylic acid (5-ASA) on monocrotaline (MCT)-induced pulmonary arterial hypertension (PAH) in rats and its molecular mechanism. Sixty male Sprague-Dawley rats (250-300 g) were evenly randomized into six groups: control group; PAH group induced by MCT intraperitoneal injection (50 mg/kg) on day 1; and four PAH groups treated for 30 days from day 2 with 5-ASA at 50 (5-ASA-50 group), 100 (5-ASA-100 group), 150 (5-ASA-150 group), and 200 mg/kg/day (5-ASA-200 group), respectively...
February 17, 2017: Inflammation
https://www.readbyqxmd.com/read/28203059/what-strategies-do-ulcerative-colitis-patients-employ-to-facilitate-adherence
#2
Aki Kawakami, Makoto Tanaka, Makoto Naganuma, Shin Maeda, Reiko Kunisaki, Noriko Yamamoto-Mitani
BACKGROUND: Overall, 30%-45% of patients with ulcerative colitis (UC) are non-adherent and have difficulties taking their medications; this non-adherence increases the risk of clinical relapse 1.4- to 5.5-fold. This study aimed to clarify the strategies patients employ to facilitate adherence and determine whether the strategies had an impact on good adherence. METHODS: This was a cross-sectional survey using a self-administered questionnaire and review of medical records...
2017: Patient Preference and Adherence
https://www.readbyqxmd.com/read/28183605/obtaining-the-palygorskite-chitosan-composite-for-modified-release-of-5-aminosalicylic-acid
#3
Ana Cristina Sousa Gramoza Vilarinho Santana, José Lamartine Soares Sobrinho, Edson Cavalcanti da Silva Filho, Livio Cesar Cunha Nunes
This study's aim was to obtain composites from palygorskite (PLG) and chitosan (CS) in order to modify 5-aminosalicylic (5-ASA) release. Initially, the PLG:CS composite was obtained using glutaraldehyde (GLA) as a reticular agent. Then, PLG, CS and PLG:CS were characterized by means of analytical techniques such as CHN elemental analysis, surface area analysis, XRD, FTIR, DSC and TG, SEM, adsorption tests and release profiles. Based on analytical data, the formation of the PLG:CS composite which showed the presence about 19% of CS, decrease in specific surface area, morphological analysis modified, visible change of crystallinity, of FTIR and thermal analysis...
April 1, 2017: Materials Science & Engineering. C, Materials for Biological Applications
https://www.readbyqxmd.com/read/28182985/a-new-fluorogenic-sensing-platform-for-salicylic-acid-derivatives-based-on-%C3%AF-%C3%AF-and-nh-%C3%AF-interactions-between-electron-deficient-and-electron-rich-aromatics
#4
Anup Pandith, Giridhari Hazra, Hong-Seok Kim
A novel simple fluorescent probe was designed for the recognition of electron-rich salicylic acid derivatives (SAs). The imidazole-appended aminomethyl perylene probe 1 selectively differentiated between electron-rich amino-SAs and electron-deficient nitro-SAs in EtOH, exhibiting the highest selectivity and sensitivity toward 5-aminosalicylic acid (5-ASA) and showing strong 1:1 binding (Ka=1.37×10(7)M(-1)). This high selectivity and sensitivity resulted from the synergistic multiple hydrogen bonding interactions of secondary amine and imidazole units and π-π interactions between electron-rich and electron-deficient rings, along with the unusual NH-π interactions between 5-ASA and the perylene moiety of 1...
February 3, 2017: Spectrochimica Acta. Part A, Molecular and Biomolecular Spectroscopy
https://www.readbyqxmd.com/read/28175192/p638-release-of-5-aminosalicylic-acid-from-mesalazine-formulations-a-novel-dynamic-dissolution-model-simulating-gastrointestinal-ph-changes
#5
E Demyanova, T Vakhitov, S Sitkin
No abstract text is available yet for this article.
February 1, 2017: Journal of Crohn's & Colitis
https://www.readbyqxmd.com/read/28172831/p045-5-aminosalicylates-promote-inflammation-resolution-in-ulcerative-colitis-through-generation-of-anti-inflammatory-hydroxy-fatty-acids
#6
R Wysoczanski, A Kendall, M Motwani, R Vega, F Rahman, S McCartney, S Bloom, A Nicolaou, D Gilroy, A Segal, D Marks
No abstract text is available yet for this article.
February 1, 2017: Journal of Crohn's & Colitis
https://www.readbyqxmd.com/read/28172639/p461-comparison-of-efficacy-of-different-oral-5-aminosalicylic-acid-doses-for-maintenance-of-remission-in-ulcerative-colitis-a-systematic-review-and-meta-analysis
#7
C H Choi, Y S Kim, W Moon, B I Lee, E S Kim, Y Jung, D I Park, Y S Yoon, H Lee, D S Han
No abstract text is available yet for this article.
February 1, 2017: Journal of Crohn's & Colitis
https://www.readbyqxmd.com/read/28169975/simple-urine-test-to-evaluate-adherence-to-oral-5-asa-in-teenagers-with-ulcerative-colitis-proof-of-concept
#8
Alie Dijkstra, Daan J Touw, Patrick F van Rheenen
OBJECTIVES: 5-aminosalicylic acid (5-ASA) is an important maintenance drug for patients with ulcerative colitis. A proportion of the ingested dose is excreted in the urine. Measuring 5-ASA and its metabolites in urine requires mass spectrometry, which is not widely available for this purpose. Urinary 5-ASA can be measured by colorimetry using the serum salicylic acid assay and is a surrogate marker of recent 5-ASA ingestion. We evaluated whether measuring 5-ASA in first morning voids or in random spot urine samples correctly identifies teenagers with poor adherence to oral 5-ASA...
February 4, 2017: Journal of Pediatric Gastroenterology and Nutrition
https://www.readbyqxmd.com/read/28147380/promises-and-dangers-of-combination-therapy
#9
REVIEW
Wolfgang Kruis, Phuong G Nguyen, Julia Morgenstern
The efficiency of the existing methods of treating inflammatory bowel disease (IBD) is limited. There are 2 ways to address this problem - either create new treatment modalities or optimize current therapies. Optimisation may be accomplished by using combinations of established therapeutic strategies. With regard to topically acting compounds such as 5-aminosalicylic acid, combining oral and rectal preparations is a commonly used method. Another commonly used combination is anti-tumor necrosis factor (TNF)-α antibody modalities together with immunosuppressants (thiopurines, methotrexate)...
2017: Digestive Diseases
https://www.readbyqxmd.com/read/28138699/5-asa-loaded-sio2-nanoparticles-a-novel-drug-delivery-system-targeting-therapy-on-ulcerative-colitis-in-mice
#10
Haiying Tang, Dan Xiang, Feng Wang, Jingwei Mao, Xiaoyan Tan, Yingde Wang
The targeting of 5-aminosalicylic acid (5-ASA), a first-line therapeutic agent for mild to moderate active ulcerative colitis (UC), to the site of inflammation has remained a challenge and an unmet requirement in the treatment of UC. However, nanoscale carriers for targeted drug delivery are promising for pharmacotherapy, and nanoparticles improve the pharmacokinetics of the loaded therapeutics based on their physical properties. To design and prepare 5‑ASA‑loaded silicon dioxide nanoparticles (5‑ASA‑SiO2 NPs), a micro‑emulsion method was conducted, and their respective therapeutic effects were validated in a mouse model of UC...
January 26, 2017: Molecular Medicine Reports
https://www.readbyqxmd.com/read/28133684/antioxidant-effect-of-vitamin-e-and-5-aminosalicylic-acid-on-acrylamide-induced-kidney-injury-in-rats
#11
Nisreen A Rajeh, Najlaa M Al-Dhaheri
To explore renal toxicity caused by sub-acute exposure of acrylamide and to study the protective effect of 5-Aminosalicylic acid (5-ASA) and Vitamin E (vit-E)on Acrylamide (ACR) induced renal toxicity. Methods: This study was conducted at King Fahad Medical Research Centre, King Abdulaziz University, Jeddah, Kingdom of Saudi Arabia, between August and November 2015. A total of 49 adult Wistar rats (250 ± 20g) aged 60 days were kept in a controlled environment and used in the present study. The rats were divided into 7 groups (control, ACR alone, ACR+5-ASA, ACR+vit-E, ACR+ASA+vit-E, vit-E alone, and ASA alone)...
February 2017: Saudi Medical Journal
https://www.readbyqxmd.com/read/28123193/5-aminosalicylic-acid-associated-myocarditis-and-pericarditis-a-narrative-review
#12
REVIEW
Glen Brown
BACKGROUND: Use of medications containing the 5-aminosalicylic acid (5-ASA) moiety may cause a rare but potentially lethal side effect involving inflammation of the heart (myocarditis) or pericardium (pericarditis) or both (myopericarditis). Early recognition of 5-ASA as the cause is important to prevent progression of the inflammation. OBJECTIVE: To provide clinicians with information to assist in recognizing the signs and symptoms of 5-ASA-induced cardiac inflammation and the characteristics of the suspected therapy, and in determining the appropriate approach to treatment...
November 2016: Canadian Journal of Hospital Pharmacy
https://www.readbyqxmd.com/read/28121001/anti-inflammatory-effects-of-dioscorea-alata-l-anthocyanins-in-a-tnbs-induced-colitis-model
#13
Tao Chen, Shihui Hu, Haiwen Zhang, Qingfeng Guan, Yuhui Yang, Xuemei Wang
The purple yam, Dioscorea alata L., is an important source of starch, vitamins and polyphenols. Five different pigments from the purple tubers of this plant were separated by high-performance liquid chromatography-mass spectrometry, and the anthocyanin fraction (DACN) was collected. The anti-inflammatory effects of DACNs were investigated at different concentrations and compared with the standard colitis treatment, 5-aminosalicylic acid, in a trinitrobenzenesulfonic acid (TNBS)-induced colitis mouse model. Macro- and microscopic parameters including body weight change, disease activity index (DAI) and intestinal histology were used for the determination of the anti-inflammatory effects of DACNs...
January 25, 2017: Food & Function
https://www.readbyqxmd.com/read/28120908/behavioural-effects-of-using-sulfasalazine-to-inhibit-glutamate-released-by-cancer-cells-a-novel-target-for-cancer-induced-depression
#14
Mina G Nashed, Robert G Ungard, Kimberly Young, Natalie J Zacal, Eric P Seidlitz, Jennifer Fazzari, Benicio N Frey, Gurmit Singh
Despite the lack of robust evidence of effectiveness, current treatment options for cancer-induced depression (CID) are limited to those developed for non-cancer related depression. Here, anhedonia-like and coping behaviours were assessed in female BALB/c mice inoculated with 4T1 mammary carcinoma cells. The behavioural effects of orally administered sulfasalazine (SSZ), a system xc(-) inhibitor, were compared with fluoxetine (FLX). FLX and SSZ prevented the development of anhedonia-like behaviour on the sucrose preference test (SPT) and passive coping behaviour on the forced swim test (FST)...
January 25, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28109869/outcomes-infectiousness-and-transmission-dynamics-of-patients-with-extensively-drug-resistant-tuberculosis-and-home-discharged-patients-with-programmatically-incurable-tuberculosis-a-prospective-cohort-study
#15
Keertan Dheda, Jason D Limberis, Elize Pietersen, Jody Phelan, Aliasgar Esmail, Maia Lesosky, Kevin P Fennelly, Julian Te Riele, Barbara Mastrapa, Elizabeth M Streicher, Tania Dolby, Abdallah M Abdallah, Fathia Ben-Rached, John Simpson, Liezel Smith, Tawanda Gumbo, Paul van Helden, Frederick A Sirgel, Ruth McNerney, Grant Theron, Arnab Pain, Taane G Clark, Robin M Warren
BACKGROUND: The emergence of programmatically incurable tuberculosis threatens to destabilise control efforts. The aim of this study was to collect prospective patient-level data to inform treatment and containment strategies. METHODS: In a prospective cohort study, 273 South African patients with extensively drug-resistant tuberculosis, or resistance beyond extensively drug-resistant tuberculosis, were followed up over a period of 6 years. Transmission dynamics, infectiousness, and drug susceptibility were analysed in a subset of patients from the Western Cape using whole-genome sequencing (WGS; n=149), a cough aerosol sampling system (CASS; n=26), and phenotypic testing for 18 drugs (n=179)...
January 18, 2017: Lancet Respiratory Medicine
https://www.readbyqxmd.com/read/28095263/chemoprevention-of-colorectal-cancer-in-inflammatory-bowel-disease
#16
Adam C Ehrlich, Shyam Patel, Andrew Meillier, Robin D Rothstein, Frank K Friedenberg
Patients with inflammatory bowel disease are at an increased risk of colorectal cancer when compared to the general population. Chronic inflammation is thought to be the underlying cause, and medications that reduce inflammation have the potential to reduce the risk of colorectal cancer. Areas covered: After conducting a PubMed search for relevant literature, we examined several classes of medications that have been studied as potential chemopreventive agents. These include 5-aminosalicylates, thiopurines, tumor necrosis factor antagonists, ursodeoxycholic acid, NSAIDs, and statins...
March 2017: Expert Review of Anticancer Therapy
https://www.readbyqxmd.com/read/28078130/radiographic-and-endoscopic-regression-of-metastatic-gastric-cancer-to-the-colon-in-the-setting-of-5-aminosalicylic-acid-use
#17
Yuval A Patel, Shannon J McCall, Xuefeng Zhang, Tracy Jaffe, Rahul A Shimpi
Colonic metastases from gastric cancer are a rare phenomenon and sparsely reported in the literature. We report a case of a 59-year-old woman who presented with vague abdominal symptoms and initial computer tomography (CT) imaging suggestive of a colonic apple-core lesion with serial colonoscopic biopsies diagnostic of metastatic signet ring cell gastric adenocarcinoma. This case is unique given the evolving CT and endoscopic findings that suggested a regression in colonic wall thickening in the setting of 5-aminosalicylic acid (5-ASA) use prior to histologic diagnosis...
December 2016: Journal of Gastrointestinal Oncology
https://www.readbyqxmd.com/read/28071183/5-aminosalicylic-acid-inhibits-inflammatory-responses-by-suppressing-jnk-and-p38-activity-in-murine-macrophages
#18
Tingli Qu, Erbing Wang, Baofen Jin, Weiping Li, Ruiling Liu, Zheng-Bao Zhao
CONTEXT: 5-Aminosalicylic acid (5-ASA), as an anti-inflammatory drug, has been extensively used for the treatment of mild to moderate active ulcerative colitis (UC), but the possible mechanisms of action remain unclear. OBJECTIVE: To investigate the effects of 5-ASA on the production of inflammatory mediators by murine macrophages stimulated with lipopolysaccharide (LPS), and determine the underlying pharmacological mechanism of action. MATERIALS AND METHODS: The levels of nitric oxide (NO) and interleukin-6 (IL-6) were measured by Varioskan Flash and IL-6 Enzyme-Linked Immunosorbent Assay sets...
February 2017: Immunopharmacology and Immunotoxicology
https://www.readbyqxmd.com/read/28069051/traditional-chinese-medicine-combination-therapy-for-patients-with-steroid-dependent-ulcerative-colitis-study-protocol-for-a-randomized-controlled-trial
#19
Kai Zheng, Hong Shen, Jia Jia, Yuelin Lu, Lei Zhu, Lu Zhang, Zhaofeng Shen
BACKGROUND: Approximately 20% of patients with ulcerative colitis become steroid dependent. Azathioprine is recommended in steroid-dependent ulcerative colitis, but its side effects limit its use. Chinese herbal medicine has been widely used to treat ulcerative colitis in China. However, its effectiveness in steroid-dependent patients has not been evaluated. This study aims to investigate the efficacy of traditional Chinese medicine combination therapy with 5-aminosalicylic acid in patients with steroid-dependent ulcerative colitis...
January 10, 2017: Trials
https://www.readbyqxmd.com/read/28036129/synthesis-and-in-vitro-bioactivity-evaluation-of-new-galactose-and-fructose-ester-derivatives-of-5-aminosalicylic-acid
#20
Samira Yousefi, Saadi Bayat, Mohd Basyaruddin Abdul Rahman, Zalikha Ibrahim, Emilia Abdulmalek
Inflammatory bowel disease (IBD) is the main risk factor for developing colorectal cancer which is common in patients of all ages. 5-aminosalicylic acid (5-ASA), structurally related to the salicylates, is highly active in the treatment of IBD with minor side effects. In this study, the synthesis of galactose and fructose esters of 5-ASA was planned to evaluate the role of glycoconjugation on the bioactivity of the parent drug. The antibacterial activity of the new compounds were evaluated against two Gram-negative and two Gram-positive species of bacteria, with a notable effect observed against Staphylococcus aureus and Escherichia coli in comparisons with the 5-ASA...
December 30, 2016: Chemistry & Biodiversity
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