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inflammatory bowel disease and curcumin

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https://www.readbyqxmd.com/read/28587282/curcumin-anti-apoptotic-action-in-a-model-of-intestinal-epithelial-inflammatory-damage
#1
Claudia Loganes, Sara Lega, Matteo Bramuzzo, Liza Vecchi Brumatti, Elisa Piscianz, Erica Valencic, Alberto Tommasini, Annalisa Marcuzzi
The purpose of this study is to determine if a preventive treatment with curcumin can protect intestinal epithelial cells from inflammatory damage induced by IFNγ. To achieve this goal we have used a human intestinal epithelial cell line (HT29) treated with IFNγ to undergo apoptotic changes that can reproduce the damage of intestinal epithelia exposed to inflammatory cytokines. In this model, we measured the effect of curcumin (curcuminoid from Curcuma Longa) added as a pre-treatment at different time intervals before stimulation with IFNγ...
June 6, 2017: Nutrients
https://www.readbyqxmd.com/read/28513174/structure-activity-relationship-of-curcumin-role-of-the-methoxy-group-in-anti-inflammatory-and-anticolitis-effects-of-curcumin
#2
Haixia Yang, Zheyuan Du, Weicang Wang, Mingyue Song, Katherine Sanidad, Elvira Sukamtoh, Jennifer Zheng, Li Tian, Hang Xiao, Zhenhua Liu, Guodong Zhang
Curcumin, a dietary compound from turmeric, has beneficial effects on inflammatory diseases such as inflammatory bowel disease. Most previous studies have focused on the structure-activity relationship of the thiol-reactive α,β-unsaturated carbonyl groups of curcumin, so little is known about the roles of methoxy groups in biological activities of curcumin. Here we synthesized a series of curcumin analogues with different substitution groups (R = H-, Br-, Cl-, F-, NO2-, CH3-, and OH-) to replace the methoxy group and evaluated their biological effects in vitro and in vivo...
June 7, 2017: Journal of Agricultural and Food Chemistry
https://www.readbyqxmd.com/read/28348486/therapeutic-effect-of-curcumin-on-experimental-colitis-mediated-by-inhibiting-cd8-cd11c-cells
#3
Hai-Mei Zhao, Fei Han, Rong Xu, Xiao-Ying Huang, Shao-Min Cheng, Min-Fang Huang, Hai-Yang Yue, Xin Wang, Yong Zou, Han-Lin Xu, Duan-Yong Liu
AIM: To verify whether curcumin (Cur) can treat inflammatory bowel disease by regulating CD8(+)CD11c(+) cells. METHODS: We evaluated the suppressive effect of Cur on CD8(+)CD11c(+) cells in spleen and Peyer's patches (PPs) in colitis induced by trinitrobenzene sulfonic acid. Mice with colitis were treated by 200 mg/kg Cur for 7 d. On day 8, the therapeutic effect of Cur was evaluated by visual assessment and histological examination, while co-stimulatory molecules of CD8(+)CD11c(+) cells in the spleen and PPs were measured by flow cytometry...
March 14, 2017: World Journal of Gastroenterology: WJG
https://www.readbyqxmd.com/read/28278495/antioxidant-supplements-and-gastrointestinal-diseases-a-critical-appraisal
#4
Islam Khan, Sue E Samson, Ashok Kumar Grover
The gastrointestinal tract digests and absorbs dietary nutrients, protects the body against physical and chemical damage from contents in its lumen, provides immunity against external antigens, and keeps an optimum environment for the gut microbiota. These functions cannot be performed normally in several diseases of which the following are discussed here: irritable bowel syndrome and inflammatory bowel disease, which includes Crohn's disease and ulcerative colitis. Because these diseases are associated with oxidative stress, a host of antioxidant supplements are used for maintenance and recovery of the gut functions...
2017: Medical Principles and Practice: International Journal of the Kuwait University, Health Science Centre
https://www.readbyqxmd.com/read/28183265/some-important-dietary-polyphenolic-compounds-an-anti-inflammatory-and-immunoregulatory-perspective
#5
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/28156160/orally-delivered-polycurcumin-responsive-to-bacterial-reduction-for-targeted-therapy-of-inflammatory-bowel-disease
#6
Hongzhi Qiao, Dong Fang, Jing Chen, Yuan Sun, Chen Kang, Liuqing Di, Junsong Li, Zhipeng Chen, Jun Chen, Yahan Gao
Inflammatory bowel disease (IBD) such as Crohn's disease and ulcerative colitis is a chronic autoimmune disease affecting nearly five million people worldwide. Among all drug delivery system, oral administration is the most preferable route for colon-specific targeting and the treatment of IBD. Herein, an amphiphilic curcumin polymer (PCur) composed of hydrophilic poly(ethylene glycol) (PEG) and hydrophobic curcumin (Cur) linked by disulfide bond was synthesized and characterized. The sufficient solubility, nano-scaled size and close to the neutral surface potential of PCur lead to preferential accumulation of the active drug in the inflamed regions of the gut...
November 2017: Drug Delivery
https://www.readbyqxmd.com/read/28040561/development-and-characterization-of-anti-inflammatory-activity-of-curcumin-loaded-biodegradable-microspheres-with-potential-use-in-intestinal-inflammatory-disorders
#7
E Blanco-García, F J Otero-Espinar, J Blanco-Méndez, J M Leiro-Vidal, A Luzardo-Álvarez
This research addresses the development and in vitro evaluation of a microparticulate system intended for intestine-targeted delivery of curcumin (CRM), a natural polyphenol with anti-inflammatory properties. Microspheres (Ms) based on zein (ZN) and Gantrez(®) AN119 (PVMMA) were prepared by spray-drying and coated with a pH-sensitive polymer (Eudragit(®) FS30D). An experimental design was performed to optimize the microparticulate formulation. A detailed characterization of systems was carried out by SEM, DSC, FTIR, particle size, ζ potential measurements and in vitro CRM release...
February 25, 2017: International Journal of Pharmaceutics
https://www.readbyqxmd.com/read/27932984/curcumin-suppressed-activation-of-dendritic-cells-via-jak-stat-socs-signal-in-mice-with-experimental-colitis
#8
Hai-Mei Zhao, Rong Xu, Xiao-Ying Huang, Shao-Min Cheng, Min-Fang Huang, Hai-Yang Yue, Xin Wang, Yong Zou, Ai-Ping Lu, Duan-Yong Liu
Dendritic cells (DCs) play a pivotal role as initiators in the pathogenesis of inflammatory bowel disease and are regulated by the JAK/STAT/SOCS signaling pathway. As a potent anti-inflammatory compound, curcumin represents a viable treatment alternative or adjunctive therapy in the management of chronic inflammatory bowel disease (IBD). The mechanism of curcumin treated IBD on DCs is not completely understood. In the present study, we explored the mechanism of curcumin treated experimental colitis by observing activation of DCs via JAK/STAT/SOCS signaling pathway in colitis mice...
2016: Frontiers in Pharmacology
https://www.readbyqxmd.com/read/27793606/diet-as-a-trigger-or-therapy-for-inflammatory-bowel-diseases
#9
James D Lewis, Maria T Abreu
The most common question asked by patients with inflammatory bowel disease (IBD) is, "Doctor, what should I eat?" Findings from epidemiology studies have indicated that diets high in animal fat and low in fruits and vegetables are the most common pattern associated with an increased risk of IBD. Low levels of vitamin D also appear to be a risk factor for IBD. In murine models, diets high in fat, especially saturated animal fats, also increase inflammation, whereas supplementation with omega 3 long-chain fatty acids protect against intestinal inflammation...
February 2017: Gastroenterology
https://www.readbyqxmd.com/read/27769076/the-role-of-dietary-supplements-in-inflammatory-bowel-disease-a-systematic-review
#10
Roberta E Rossi, Tara Whyand, Charles D Murray, Mark I Hamilton, Dario Conte, Martyn E Caplin
Inflammatory bowel diseases (IBD) are chronic immune disorders of unclear aetiology. Dietary deficiencies may be a potential pathogenic factor in their development. Patients often take food supplements without knowledge of any evidence base. We have therefore assessed the evidence for food supplementation in the management of IBD. A PubMed search was performed for the terms Inflammatory bowel disease; nutritional deficiencies; dietary supplements; curcumin; green tea; vitamin D/other vitamins; folic acid; iron; zinc; probiotics; andrographis paniculata; and boswellia serrate...
December 2016: European Journal of Gastroenterology & Hepatology
https://www.readbyqxmd.com/read/27743873/complementary-and-alternative-medicines-used-by-patients-with%C3%A2-inflammatory-bowel-diseases
#11
REVIEW
Adam S Cheifetz, Robert Gianotti, Raphael Luber, Peter R Gibson
Patients and physicians often have many questions regarding the role of complementary and alternative medicines (CAMs), or nonallopathic therapies, for inflammatory bowel diseases (IBDs). CAMs of various forms are used by more than half of patients with IBD during some point in their disease course. We summarize the available evidence for the most commonly used and discussed CAMs. We discuss evidence for the effects of herbs (such as cannabis and curcumin), probiotics, acupuncture, exercise, and mind-body therapy...
February 2017: Gastroenterology
https://www.readbyqxmd.com/read/27516979/novel-delivery-system-for-natural-products-nano-curcumin-formulations
#12
REVIEW
Hamid Reza Rahimi, Reza Nedaeinia, Alireza Sepehri Shamloo, Shima Nikdoust, Reza Kazemi Oskuee
OBJECTIVE: Curcumin is extracted from Curcuma longa and regulates the intracellular signal pathways which control the growth of cancerous cell, inflammation, invasion and apoptosis. Curcumin molecules have special intrinsic features that can target the intracellular enzymes, genome (DNA) and messengers (RNA). A wide range of studies have been conducted on the physicochemical traits and pharmacological effects of curcumin on different diseases like cardiovascular diseases, diabetes, cancer, rheumatoid arthritis, Alzheimer's, inflammatory bowel disease (IBD), and even it has wound healing...
July 2016: Avicenna Journal of Phytomedicine
https://www.readbyqxmd.com/read/27366027/favorable-results-from-the-use-of-herbal-and-plant-products-in-inflammatory-bowel-disease-evidence-from-experimental-animal-studies
#13
REVIEW
John K Triantafillidis, Aikaterini Triantafyllidi, Constantinos Vagianos, Apostolos Papalois
The use of herbal therapy for inflammatory bowel disease is increasing worldwide. The aim of this study was to review the available literature on the efficacy of herbal therapy in experimental colitis. All relevant studies published in Medline and Embase up to June 2015 have been reviewed. The results of bowel histology and serum parameters have been recorded. A satisfactory number of published experimental studies, and a quite large one of both herbal and plant products tested in different studies have been reported...
July 2016: Annals of Gastroenterology: Quarterly Publication of the Hellenic Society of Gastroenterology
https://www.readbyqxmd.com/read/27340353/curcumin-improves-regulatory-t-cells-in-gut-associated-lymphoid-tissue-of-colitis-mice
#14
Hai-Mei Zhao, Rong Xu, Xiao-Ying Huang, Shao-Min Cheng, Min-Fang Huang, Hai-Yang Yue, Xin Wang, Yong Zou, Ai-Ping Lu, Duan-Yong Liu
AIM: To explore the probable pathway by which curcumin (Cur) regulates the function of Treg cells by observing the expression of costimulatory molecules of dendritic cells (DCs). METHODS: Experimental colitis was induced by administering 2, 4, 6-trinitrobenzene sulfonic acid (TNBS)/ethanol solution. Forty male C57BL/6 mice were randomly divided into four groups: normal, TNBS + Cur, TNBS + mesalazine (Mes) and TNBS groups. The mice in the TNBS + Cur and TNBS +Mes groups were treated with Cur and Mes, respectively, while those in the TNBS group were treated with physiological saline for 7 d...
June 21, 2016: World Journal of Gastroenterology: WJG
https://www.readbyqxmd.com/read/27258308/nutrition-in-pediatric-inflammatory-bowel-disease-from-etiology-to-treatment-a-systematic-review
#15
REVIEW
Francesca Penagini, Dario Dilillo, Barbara Borsani, Lucia Cococcioni, Erica Galli, Giorgio Bedogni, Giovanna Zuin, Gian Vincenzo Zuccotti
Nutrition is involved in several aspects of pediatric inflammatory bowel disease (IBD), ranging from disease etiology to induction and maintenance of disease. With regards to etiology, there are pediatric data, mainly from case-control studies, which suggest that some dietary habits (for example consumption of animal protein, fatty foods, high sugar intake) may predispose patients to IBD onset. As for disease treatment, exclusive enteral nutrition (EEN) is an extensively studied, well established, and valid approach to the remission of pediatric Crohn's disease (CD)...
June 1, 2016: Nutrients
https://www.readbyqxmd.com/read/27239905/mucoadhesive-microparticulates-based-on-polysaccharide-for-target-dual-drug-delivery-of-5-aminosalicylic-acid-and-curcumin-to-inflamed-colon
#16
Haogang Duan, Shaoyu Lü, Chunmei Gao, Xiao Bai, Hongyan Qin, Yuhui Wei, Xin'an Wu, Mingzhu Liu
In this work, thiolated chitosan/alginate composite microparticulates (CMPs) coated by Eudragit S-100 were developed for colon-specific delivery of 5-aminosalicylic acid (5-ASA) and curcumin (CUR), and the use of it as a multi drug delivery system for the treatment of colitis. The physicochemical properties of the CMPs were evaluated. In vitro release was performed in gradually pH-changing medium simulating the conditions of different parts of GIT, and the results showed that the Eudragit S-100 coating has a pH-sensitive release property, which can avoid drug being released at a pH lower than 7...
September 1, 2016: Colloids and Surfaces. B, Biointerfaces
https://www.readbyqxmd.com/read/27022873/a-comparative-study-of-curcumin-loaded-lipid-based-nanocarriers-in-the-treatment-of-inflammatory-bowel-disease
#17
COMPARATIVE STUDY
Ana Beloqui, Patrick B Memvanga, Régis Coco, Sonia Reimondez-Troitiño, Mireille Alhouayek, Giulio G Muccioli, María José Alonso, Noemi Csaba, María de la Fuente, Véronique Préat
Selective drug delivery to inflamed tissues is of widespread interest for the treatment of inflammatory bowel disease (IBD). Because a lack of physiological lipids has been described in patients suffering IBD, and some lipids present immunomodulatory properties, we hypothesize that the combination of lipids and anti-inflammatory drugs together within a nanocarrier may be a valuable strategy for overcoming IBD. In the present study, we investigated and compared the in vitro and in vivo efficacy of three lipid-based nanocarriers containing curcumin (CC) as an anti-inflammatory drug for treating IBD in a murine DSS-induced colitis model...
July 1, 2016: Colloids and Surfaces. B, Biointerfaces
https://www.readbyqxmd.com/read/27000932/in-vivo-effects-of-curcumin-on-the-paraoxonase-carbonic-anhydrase-glucose-6-phosphate-dehydrogenase-and-%C3%AE-glucosidase-enzyme-activities-in-dextran-sulphate-sodium-induced-ulcerative-colitis-mice
#18
Hatice Yildirim, Fatma Bahar Sunay, Selma Sinan, Feray Köçkar
Increases in the risk of infections and malignancy due to immune suppressive therapies of inflammatory bowel diseases (IBDs) have led the researchers to focus on more nontoxic and acceptable natural products like curcumin. Here we investigate whether prophylactic and therapeutic application of the curcumin alters the enzyme activities of paraoxonase (PON), carbonic anhydrase (CA), glucose-6-phosphate dehydrogenase (G6PD) and cytosolic β-glucosidase in dextran sulphate sodium (DSS)-induced ulcerative colitis mice...
December 2016: Journal of Enzyme Inhibition and Medicinal Chemistry
https://www.readbyqxmd.com/read/26995272/curcumin-as-a-therapeutic-agent-in-the-chemoprevention-of-inflammatory-bowel-disease
#19
REVIEW
Remya Sreedhar, Somasundaram Arumugam, Rajarajan A Thandavarayan, Vengadeshprabhu Karuppagounder, Kenichi Watanabe
Inflammatory bowel diseases (IBD), mainly Crohn's disease (CD) and ulcerative colitis (UC) are chronic ailments of the gastrointestinal tract, characterized by recurrent inflammation. Current therapeutic strategies are based on the mitigation of symptoms, including inflammatory remission and healing of mucosal manifestations. Extensive studies have suggested that continuous oxidative damage can lead to the inflammatory signaling cascade in IBD. Curcumin, a potent modulator of cell signaling, is popular for its antioxidant and anti-inflammatory activities, and has already been shown remarkable therapeutic results in IBD...
May 2016: Drug Discovery Today
https://www.readbyqxmd.com/read/26851203/development-and-performance-evaluation-of-novel-nanoparticles-of-a-grafted-copolymer-loaded-with-curcumin
#20
Srinivas Mutalik, Neelam A Suthar, Renuka S Managuli, Pallavi K Shetty, Kiran Avadhani, Guruprasad Kalthur, Raghavendra V Kulkarni, Ranjeny Thomas
Inflammatory bowel disease (IBD) is an inflammatory condition with mucosal ulceration, edema and hemorrhage of gastrointestinal tract. Curcumin has been shown to mitigate colitis in animal models. However, its usefulness is reduced due to poor pharmacokinetic behavior and low oral bioavailability. To address this, novel pH-sensitive hydrolyzed polyacrylamide-grafted-xanthan gum (PAAm-g-XG) nanoparticles (NPs) loaded with curcumin were prepared for colonic delivery. Optimized nanoparticles (CN20) were spherical, with an average size of 425 nm...
May 2016: International Journal of Biological Macromolecules
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