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Turmeric as antioxidant

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https://www.readbyqxmd.com/read/28628644/targeting-multiple-pro-apoptotic-signaling-pathways-with-curcumin-in-prostate-cancer-cells
#1
Mariela Rivera, Yanilda Ramos, Madeline Rodríguez-Valentín, Sheila López-Acevedo, Luis A Cubano, Jin Zou, Qiang Zhang, Guangdi Wang, Nawal M Boukli
Curcumin, an extract from the turmeric rhizome (Curcuma longa), is known to exhibit anti-inflammatory, antioxidant, chemopreventive and antitumoral activities against aggressive and recurrent cancers. Accumulative data indicate that curcumin may induce cancer cell death. However, the detailed mechanism underlying its pro-apoptotic and anti-cancer effects remains to be elucidated. In the present study, we examined the signaling pathways triggered by curcumin, specifically, the exact molecular mechanisms of curcumin-induced apoptosis in highly metastatic human prostate cancer cells...
2017: PloS One
https://www.readbyqxmd.com/read/28620478/a-hot-water-extract-of-turmeric-curcuma-longa-suppresses-acute-ethanol-induced-liver-injury-in-mice-by-inhibiting-hepatic-oxidative-stress-and-inflammatory-cytokine-production
#2
Ryusei Uchio, Yohei Higashi, Yusuke Kohama, Kengo Kawasaki, Takashi Hirao, Koutarou Muroyama, Shinji Murosaki
Turmeric (Curcuma longa) is a widely used spice that has various biological effects, and aqueous extracts of turmeric exhibit potent antioxidant activity and anti-inflammatory activity. Bisacurone, a component of turmeric extract, is known to have similar effects. Oxidative stress and inflammatory cytokines play an important role in ethanol-induced liver injury. This study was performed to evaluate the influence of a hot water extract of C. longa (WEC) or bisacurone on acute ethanol-induced liver injury. C57BL/6 mice were orally administered WEC (20 mg/kg body weight; BW) or bisacurone (60 µg/kg BW) at 30 min before a single dose of ethanol was given by oral administration (3·0 g/kg BW)...
2017: Journal of Nutritional Science
https://www.readbyqxmd.com/read/28579781/investigating-the-use-of-curcumin-loaded-electrospun-filaments-for-soft-tissue-repair-applications
#3
Pierre-Alexis Mouthuy, Maja Somogyi Škoc, Ana Čipak Gašparović, Lidija Milković, Andrew J Carr, Neven Žarković
Electrospun filaments represent a new generation of medical textiles with promising applications in soft tissue repair. A potential strategy to improve their design is to combine them with bioactive molecules. Curcumin, a natural compound found in turmeric, is particularly attractive for its antioxidant, anti-inflammatory, and antimicrobial properties. However, investigating the range of relevant doses of curcumin in materials designed for tissue regeneration has remained limited. In this paper, a wide range of curcumin concentrations was explored and the potential of the resulting materials for soft tissue repair applications was assessed...
2017: International Journal of Nanomedicine
https://www.readbyqxmd.com/read/28571271/evaluation-of-efficacy-of-1-curcuminoids-as-local-application-in-management-of-oral-lichen-planus-interventional-study
#4
Anju Elizabeth Thomas, Beena Varma, Seema Kurup, Renju Jose, Marina Lazar Chandy, Sreeja P Kumar, M S Aravind, Athira Aruna Ramadas
INTRODUCTION: Oral Lichen Planus (OLP) is a chronic inflammatory mucocutaneous disease affecting the oral cavity which has been associated with severe burning sensation which in turn affects the quality of life of the patients. Currently, the effective treatment of choice remains the use of corticosteroids. The chronicity and recalcitrant nature of the disease demand the long term use of these drugs with ensuing adverse effects. Turmeric and its active ingredient, "curcumin", have been found to have anti-inflammatory, antioxidant and anticancer properties...
April 2017: Journal of Clinical and Diagnostic Research: JCDR
https://www.readbyqxmd.com/read/28569571/curcumin-inhibits-oxidative-stress-induced-trpm2-channel-activation-calcium-ion-entry-and-apoptosis-values-in-sh-sy5y-neuroblastoma-cells-involvement-of-transfection-procedure
#5
Ahmi Öz, Ömer Çelik
Transient Receptor Potential (TRP) channels are mostly Ca(2+) permeable cation channels. Transient Receptor Potential Melastatin-like 2 (TRPM2) is expressed in neurological tissues such as brain, dorsal root ganglia (DRG) neurons, hippocampus and also liver, heart and kidney. The SH-SY5Y cells are mostly used as a cellular model of neurodegenerative diseases, Alzheimer's and Parkinson's diseases. Curcumin, shows phenolic structure, synthesized by Curcuma longa L. (turmeric), has powerful non-enzymatically antioxidant effects compared with Vitamin E...
June 1, 2017: Molecular Membrane Biology
https://www.readbyqxmd.com/read/28561324/curcumin-ameliorates-kidney-function-and-oxidative-stress-in-experimental-chronic-kidney-disease
#6
Badreldin H Ali, Suhail Al-Salam, Yousuf Al Suleimani, Jamila Al Kalbani, Shadia Al Bahlani, Mohammed Ashique, Priyadarsini Manoj, Buthaina Al Zhili, Nadia Al Abri, Heba T Naser, Javed Yasin, Abderrahim Nemmar, Mohamed Al Za'abi, Christina Hartmann, Nicole Schupp
Chronic kidney disease (CKD) is known to involve inflammation, oxidative stress and apoptosis. Here, we investigated the impact of curcumin (diferuloyl methane, a phenolic turmeric pigment), which has strong anti-oxidant, anti-inflammatory and anti-apoptotic activities on kidney structure and function in rats with adenine-induced CKD. Rats were treated for 5 weeks with adenine to induce CKD-like renal damage and combined with three doses of curcumin. Markers of kidney function and oxidative stress were quantified in plasma, urine, renal homogenates and on kidney tissue...
May 31, 2017: Basic & Clinical Pharmacology & Toxicology
https://www.readbyqxmd.com/read/28540178/scanometry-as-microplate-reader-for-high-throughput-method-based-on-dpph-dry-reagent-for-antioxidant-assay
#7
Mochammad Amrun Hidayat, Aulia Fitri, Bambang Kuswandi
The stable chromogenic radical 1,1'-diphenyl-2-picrylhydrazyl (DPPH) solution was immobilized on the microwell plate as dry reagent to construct a simple antioxidant sensor. Then, a regular flatbed scanner was used as microplate reader to obtain analytical parameters for antioxidant assay using one-shot optical sensors as scanometry technique. Variables affecting the acquisition of the images were optimized and the analytical parameters are obtained from an area of the sensing zone inside microwell using the average luminosity of the sensing zone captured as the mean of red, green, and blue (RGB) value using ImageJ(®) program...
May 2017: Acta Pharmaceutica Sinica. B
https://www.readbyqxmd.com/read/28527218/the-mechanisms-of-action-of-curcumin-in%C3%A2-alzheimer-s-disease
#8
Mengxi Tang, Changiz Taghibiglou
Alzheimer's disease (AD) is a neurodegenerative disorder of the elderly. As the prevalence of AD rises in the 21st century, there is an urgent need for the development of effective pharmacotherapies. Currently, drug treatments target the symptoms of the disease and do not modify or halt the disease progress. Thus, natural compounds have been investigated for their ability to treat AD. This review examines the efficacy of curcumin, a polyphenol derived from turmeric herb, to treat AD. We summarize the in vivo and in vitro research describing the mechanisms of action in which curcumin modifies AD pathology: curcumin inhibits the formation and promotes the disaggregation of amyloid-β plaques, attenuates the hyperphosphorylation of tau and enhances its clearance, binds copper, lowers cholesterol, modifies microglial activity, inhibits acetylcholinesterase, mediates the insulin signaling pathway, and is an antioxidant...
May 17, 2017: Journal of Alzheimer's Disease: JAD
https://www.readbyqxmd.com/read/28449595/pharmaceutical-perspectives-of-spices-and-condiments-as-alternative-antimicrobial-remedy
#9
Savita P D'Souza, Suvarna V Chavannavar, B Kanchanashri, S B Niveditha
Medicinal values of spices and condiments are being revived by biologists through in vitro and in vivo trials providing evidence for its antimicrobial activities. The essential oils and extracts of spices like black pepper, cloves, cinnamon, and nutmeg contain active compounds like piperine, eugenol, cinnamaldehyde, and lignans. Similarly, condiments like coriander, black cumin, turmeric, garlic, and ginger are recognized for constituents like linalool, thymoquinones, curcumin, allicin, and geranial respectively...
January 1, 2017: Journal of Evidence-based Complementary & Alternative Medicine
https://www.readbyqxmd.com/read/28417091/biological-activities-of-curcuminoids-other-biomolecules-from-turmeric-and-their-derivatives-a-review
#10
REVIEW
Augustine Amalraj, Anitha Pius, Sreerag Gopi, Sreeraj Gopi
In recent years, several drugs have been developed deriving from traditional products and current drug research is actively investigating the possible therapeutic roles of many Ayruvedic and Traditional Indian medicinal therapies. Among those being investigated is Turmeric. Its most important active ingredient is curcuminoids. Curcuminoids are phenolic compounds commonly used as a spice, pigment and additive also utilized as a therapeutic agent used in several foods. Comprehensive research over the last century has revealed several important functions of curcuminoids...
April 2017: Journal of Traditional and Complementary Medicine
https://www.readbyqxmd.com/read/28278495/antioxidant-supplements-and-gastrointestinal-diseases-a-critical-appraisal
#11
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/28250905/possible-role-of-common-spices-as-a-preventive-and-therapeutic-agent-for-alzheimer-s-disease
#12
REVIEW
Omid Mirmosayyeb, Amirpouya Tanhaei, Hamid R Sohrabi, Ralph N Martins, Mana Tanhaei, Mohammad Amin Najafi, Ali Safaei, Rokhsareh Meamar
For centuries, spices have been consumed as food additives or medicinal agents. However, there is increasing evidence indicating the plant-based foods in regular diet may lower the risk of neurodegenerative diseases including Alzheimer disease. Spices, as one of the most commonly used plant-based food additives may provide more than just flavors, but as agents that may prevent or even halt neurodegenerative processes associated with aging. In this article, we review the role and application of five commonly used dietary spices including saffron turmeric, pepper family, zingiber, and cinnamon...
2017: International Journal of Preventive Medicine
https://www.readbyqxmd.com/read/28192240/effects-of-curcumin-on-hdl-functionality
#13
REVIEW
Shiva Ganjali, Christopher N Blesso, Maciej Banach, Matteo Pirro, Muhammed Majeed, Amirhossein Sahebkar
Curcumin, a bioactive polyphenol, is a yellow pigment of the Curcuma longa (turmeric) plant. Curcumin has many pharmacologic effects including antioxidant, anti-carcinogenic, anti-obesity, anti-angiogenic and anti-inflammatory properties. Recently, it has been found that curcumin affects lipid metabolism, and subsequently, may alleviate hyperlipidemia and atherosclerosis. Plasma HDL cholesterol (HDL-C) is an independent negative risk predictor of cardiovascular disease (CVD). However, numerous clinical and genetic studies have yielded disappointing results about the therapeutic benefit of raising plasma HDL-C levels...
May 2017: Pharmacological Research: the Official Journal of the Italian Pharmacological Society
https://www.readbyqxmd.com/read/28167107/investigation-on-curcumin-nanocomposite-for-wound-dressing
#14
G Devanand Venkatasubbu, T Anusuya
Curcuma longa (turmeric) has a long history of use in medicine as a treatment for inflammatory conditions. The primary active constituent of turmeric and the one responsible for its vibrant yellow color is curcumin. Curcumin is used for treatment of wound and inflammation. It had antimicrobial and antioxidant property. It has low intrinsic toxicity and magnificent properties like with comparatively lesser side-effects. Cotton cloth is one of the most successful wound dressings which utilize the intrinsic properties of cotton fibers...
May 2017: International Journal of Biological Macromolecules
https://www.readbyqxmd.com/read/28135888/curcumin-for-neuropsychiatric-disorders-a-review-of-in-vitro-animal-and-human-studies
#15
Adrian L Lopresti
Turmeric has been used in traditional medicine for centuries to treat a range of ailments. Its primary active constituent curcumin, can influence an array of biological activities. Many of these, such as its anti-inflammatory, antioxidant, neuroprotective, and monoaminergic effects are dysregulated in several neuropsychiatric disorders. In this systematic review, in vitro, animal, and human studies investigating the potential of curcumin as a treatment for neuropsychiatric disorders such as major depressive disorder, post-traumatic stress disorder (PTSD), obsessive-compulsive disorder (OCD), bipolar disorder, psychotic disorders, and autism are reviewed, and directions for future research are proposed...
March 2017: Journal of Psychopharmacology
https://www.readbyqxmd.com/read/28129008/curcumin-and-turmeric-modulate-the-tumor-promoting-effects-of-iron-in-vitro
#16
Donald J Messner, Todd Robinson, Kris V Kowdley
Free or loosely chelated iron has tumor-promoting properties in vitro. Curcumin, a polyphenol derived from the food spice turmeric (Curcuma longa), is a potent antioxidant that binds iron. The primary aim of this study was to investigate whether curcuminoids prevent tumor-promoting effects of iron in T51B cells, a non-neoplastic rat liver epithelial cell line. Purified curcuminoids (curcumin) or a standardized turmeric extract similarly reduced oxidative stress and cytotoxicity associated with iron overload (IC50 values near 10 μM, P < 0...
April 2017: Nutrition and Cancer
https://www.readbyqxmd.com/read/28102474/anti-amnestic-effect-of-curcumin-in-combination-with-donepezil-an-anticholinesterase-drug-involvement-of-cholinergic-system
#17
Ayodele Jacob Akinyemi, Ganiyu Oboh, Sunday Idowu Oyeleye, Opeyemi Ogunsuyi
Recently, combination therapy involving cholinesterase (ChE) inhibitor with other neuroprotective agents has shown better desirable effect in the management/prevention of dementia but limited information is available on their effect with dietary polyphenols. Hence, this study sought to assess the combined pretreatment effect of curcumin, the major polyphenolic compound of turmeric (Curcuma longa) rhizomes, with donepezil, a cholinesterase inhibitor, on cognitive function in scopolamine-induced memory impairment in rats...
January 19, 2017: Neurotoxicity Research
https://www.readbyqxmd.com/read/27928704/antioxidant-effects-of-curcuminoids-in-patients-with-type-2-diabetes-mellitus-a-randomized-controlled-trial
#18
Yunes Panahi, Nahid Khalili, Ebrahim Sahebi, Soha Namazi, Maryam Saberi Karimian, Muhammed Majeed, Amirhossein Sahebkar
BACKGROUND: Oxidative stress has a key role in the pathogenesis of type II diabetes mellitus (T2DM) and its vascular complications. Antioxidant therapy has been suggested as a potential approach to blunt T2DM development and progression. The aim of this study was to assess the effects of supplementation with curcuminoids, which are natural polyphenolics from turmeric, on oxidative indices in diabetic individuals. METHODS: In this randomized double-blind placebo-controlled trial, 118 subjects with T2DM were randomized to curcuminoids (1000 mg/day co-administered with piperine 10 mg/day) or matching placebo for a period of 8 weeks...
February 2017: Inflammopharmacology
https://www.readbyqxmd.com/read/27895783/curcumin-suppresses-colon-cancer-cell-invasion-via-ampk-induced-inhibition-of-nf-%C3%AE%C2%BAb-upa-activator-and-mmp9
#19
Weihua Tong, Quan Wang, Donghui Sun, Jian Suo
Curcumin, an active nontoxic ingredient of turmeric, possesses potent anti-inflammatory, antioxidant and anti-cancer properties; however, the molecular mechanisms of curcumin are not fully understood. The transcription factor nuclear factor-κB (NF-κB) is key in cellular processes, and the expression/activation of urokinase-type plasminogen activator (uPA) and matrix metalloproteinase-9 (MMP9) are crucial for cell invasion. The present study investigated the hypothesis that curcumin inhibits colon cancer cell invasion by modulating NF-κB-mediated expression and activation of uPA and MMP9...
November 2016: Oncology Letters
https://www.readbyqxmd.com/read/27863601/clinical-efficacy-of-turmeric-use-in-gingivitis-a-comprehensive-review
#20
REVIEW
Karissa A Stoyell, Jennifer L Mappus, Mona A Gandhi
INTRODUCTION: Gingivitis affects an estimated 80% of the population, and is characterized as the world's most predominant inflammatory periodontal disease. Without intervention, gingivitis can advance to alveolar bone loss. Therefore, the primary goal in patients suffering with gingivitis is to control plaque buildup and soft tissue inflammation. Current guidelines consider chlorhexidine as the gold standard in the prevention and treatment of gingivitis. However, negative side effects of chlorhexidine, including oral mucosal erosion, discoloration of teeth, and bitter taste, provide an opportunity for alternative medications...
November 2016: Complementary Therapies in Clinical Practice
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