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https://www.readbyqxmd.com/read/27912878/selecting-optimum-protein-nano-carriers-for-natural-polyphenols-using-chemoinformatics-tools
#1
AbdelKader A Metwally, Sherweit H El-Ahmady, Rania M Hathout
BACKGROUND: The normal fate of any natural product with a therapeutic potential is to be formulated into an effective medicine. However, the conventional methods of selecting the suitable formulations or carriers based on the formulator experiences, trials and errors as well as materials availability do not usually yield the optimal results. HYPOTHESIS: We hypothesize the possibility of the virtual optimum selection of a protein carrier for two polyphenolic compounds widely investigated for their chemopreventive effects; resveratrol and curcumin using a combination of some chemoinformatics tools...
December 15, 2016: Phytomedicine: International Journal of Phytotherapy and Phytopharmacology
https://www.readbyqxmd.com/read/27865863/curcumin-promotes-the-oncoltyic-capacity-of-vesicular-stomatitis-virus-for-the-treatment-of-prostate-cancers
#2
Dylan J Fehl, Maryam Ahmed
Vesicular stomatitis virus (VSV) matrix (M) protein mutants have been studied as oncolytic agents due to their capacity to effectively kill cancer cells while exhibiting low virulence in vivo. Despite encouraging results, many cancer cells maintain resistance to oncolytic VSV mutants in part due to residual antiviral responses. We sought to determine whether combination of VSV with natural agents with anti-tumor properties, such as curcumin, resveratrol, and flavokavain B, would enhance tumor cell killing in a prostate cancer model...
November 16, 2016: Virus Research
https://www.readbyqxmd.com/read/27863907/evidence-of-epigenetic-tags-in-cardiac-fibrosis
#3
REVIEW
Vincenzo Grimaldi, Maria Rosaria De Pascale, Alberto Zullo, Andrea Soricelli, Teresa Infante, Francesco Paolo Mancini, Claudio Napoli
In cardiac fibrosis, following an injury or a stress, non-functional fibrotic tissue substitutes normal myocardium, thus leading to progressive heart failure. Activated fibroblasts are principal determinants of cardiac fibrosis by producing excessive fibrotic extracellular matrix and causing hypertrophy of cardiomyocytes. Epigenetic changes, such as DNA methylation, histone modifications, and miRNAs have been involved in these mechanisms. Therefore, there is a strong interest in reverting such epigenetic transformations in order to arrest myocardial fibrotic degeneration...
November 15, 2016: Journal of Cardiology
https://www.readbyqxmd.com/read/27834913/unraveling-the-anticancer-effect-of-curcumin-and-resveratrol
#4
REVIEW
Aline Renata Pavan, Gabriel Dalio Bernardes da Silva, Daniela Hartmann Jornada, Diego Eidy Chiba, Guilherme Felipe Dos Santos Fernandes, Chung Man Chin, Jean Leandro Dos Santos
Resveratrol and curcumin are natural products with important therapeutic properties useful to treat several human diseases, including cancer. In the last years, the number of studies describing the effect of both polyphenols against cancer has increased; however, the mechanism of action in all of those cases is not completely comprehended. The unspecific effect and the ability to interfere in assays by both polyphenols make this challenge even more difficult. Herein, we analyzed the anticancer activity of resveratrol and curcumin reported in the literature in the last 11 years, in order to unravel the molecular mechanism of action of both compounds...
November 10, 2016: Nutrients
https://www.readbyqxmd.com/read/27807992/radiation-induced-surge-of-macrophage-foam-cell-formation-oxidative-damage-and-cytokine-release-is-attenuated-by-a-nanoformulation-of-curcumin
#5
Behrooz Soltani, Narges Bodaghabadi, Nasser Ghaemi, Majid Sadeghizadeh
PURPOSE: We examined the potential of a dendrosomal nanoformulation of curcumin (DNC) for intervention of ionizing radiation (IR)-induced damage (particularly leading to atherosclerosis), employing an irradiated THP-1 macrophage model. MATERIALS AND METHODS: Differentiated THP-1 macrophages were irradiated and treated with curcumin or DNC nanoformulation (and oxidized low density lipoprotein, ox-LDL, to promote foam cells). Chemical, biochemical, and genetics tools including viability and apoptosis, multiple ELISA, real-time PCR, Western blotting, enzyme activity, and fluorimetry assays were employed to illustrate IR damage as well as the DNC intervention potential...
November 3, 2016: International Journal of Radiation Biology
https://www.readbyqxmd.com/read/27775614/curcumin-shows-antiviral-properties-against-norovirus
#6
Minji Yang, GilJae Lee, Jiyeon Si, Sung-Joon Lee, Hyun Ju You, GwangPyo Ko
Phytochemicals provide environmentally friendly and relatively inexpensive natural products, which could potentially benefit public health by controlling human norovirus (HuNoV) infection. In this study, 18 different phytochemicals were evaluated for antiviral effects against norovirus using murine norovirus (MNV) as a model for norovirus biology. Among these phytochemicals, curcumin (CCM) was the most potent anti-noroviral phytochemical, followed by resveratrol (RVT). In a cell culture infection model, exposure to CCM or RVT for 3 days reduced infectivity of norovirus by 91% and 80%, respectively...
October 20, 2016: Molecules: a Journal of Synthetic Chemistry and Natural Product Chemistry
https://www.readbyqxmd.com/read/27774648/phytoconstituents-as-pharmacotherapeutics-in-rheumatoid-arthritis-challenges-and-scope-of-nano-submicromedicine-in-its-effective-delivery
#7
Mahfoozur Rahman, Sarwar Beg, Amita Verma, Fahad A Al Abbasi, Firoz Anwar, Sumant Saini, Sohail Akhter, Vikas Kumar
OBJECTIVES: The present review explores the therapeutic application of herbals in rheumatoid arthritis (RA) therapy, and how nano/submicromedicine can be fit in the scope of its therapeutic delivery in RA has been addressed. KEY FINDINGS: Incorporation of bioactive such as polyphenols, thymoquinone, resveratrol, hesperidin, curcumin, celastrol and gambogic acid in a dose-dependent manner showed quite high efficacy for the treatment of RA. It can be attributed to their targeting ability against various inflammatory mediators including nitric oxide (NO), cytokines, chemokines, adhesion molecules, NF-kβ, lipoxygenase (LOXs) and arachidonic acid (AA)...
October 24, 2016: Journal of Pharmacy and Pharmacology
https://www.readbyqxmd.com/read/27744738/resveratrol-and-curcumin-as-protective-agents-in-an-experimental-rat-model-of-intestinal-ischemia-and-reperfusion
#8
Cristina Cucolas, Alexandra Ioana Daneasa, Diana Olteanu, Nicoleta Decea, Remus Moldovan, Flaviu Tabaran, Gabriela Adriana Filip
The aim of this study was to evaluate the protective effects of resveratrol and curcumin in an experimental rat model of intestinal ischemia-reperfusion (I/R). Forty-eight adult Wistar rats were used: 12 animals undergoing the sham surgery and 36 animals undergoing laparotomy, with 15 min of mesentric artery clamping. The animals from the latter group (n = 12) were pretreated, for 1 week, with vehicle (CTR), resveratrol (RES), and curcumin (CUR). After 1 h and 6 h of reperfusion, respectively, cyclooxigenase (COX)-2, mucin-1, E-cadherin, nuclear factor (NK)-κB expressions, and tumor necrosis factor related apoptosis-inducing ligand (TRAIL) were assessed in the small intestine...
May 30, 2016: Canadian Journal of Physiology and Pharmacology
https://www.readbyqxmd.com/read/27697644/epigenetic-regulation-of-active-chinese-herbal-components-for-cancer-prevention-and-treatment-a-follow-up-review
#9
REVIEW
Zhiying Huang, Qiuju Huang, Liyan Ji, Ying Wang, Xiaoxiao Qi, Liang Liu, Zhongqiu Liu, Linlin Lu
Epigenetic modifications include DNA methylation, histone modification, and other patterns. These processes are associated with carcinogenesis and cancer progression. Thus, epigenetic modification-related enzymes, such as DNA methyltransferases (DNMTs), histone methyltransferases (HMTs), histone demethylases (HDMTs), histone acetyltransferases (HATs), and histone deacetylases (HDACs), as well as some related proteins, including methyl-CpG binding proteins (MBPs) and DNMT1-associated protein (DMAP 1), are considered as potential targets for cancer prevention and therapy...
September 30, 2016: Pharmacological Research: the Official Journal of the Italian Pharmacological Society
https://www.readbyqxmd.com/read/27689730/development-of-resveratrol-curcumin-hybrids-as-potential-therapeutic-agents-for-inflammatory-lung-diseases
#10
Jialing Pan, Tingting Xu, Fengli Xu, Yali Zhang, Zhiguo Liu, Wenbo Chen, Weitao Fu, Yuanrong Dai, Yunjie Zhao, Jianpeng Feng, Guang Liang
Acute lung injury (ALI) is a major cause of acute respiratory failure in critically-ill patients. Resveratrol and curcumin are proven to have potent anti-inflammatory efficacy, but their clinical application is limited by their metabolic instability. Here, a series of resveratrol and the Mono-carbonyl analogs of curcumin (MCAs) hybrids were designed and synthesized by efficient aldol construction strategy, and then screened for anti-inflammatory activities in vitro and in vivo. The results showed that the majority of analogs effectively inhibited the LPS-induced production of IL-6 and TNF-α...
September 10, 2016: European Journal of Medicinal Chemistry
https://www.readbyqxmd.com/read/27685918/resveratrol-in-lung-cancer-a-systematic-review
#11
Yuan Feng, Jihing Zhou, Ying Jiang
PURPOSE: Resveratrol, a phytochemical known for its anti- oxidative properties has been explored worldwide for anticancer potential. We performed this systematic review and meta-analysis in order to register the efficacy of resveratrol against lung carcinogenesis. METHODS: We searched PubMed for preclinical studies reporting efficacy of resveratrol alone or in combination with drugs like curcumin, cisplatin etc. against lung carcinogenesis. RESULTS: The primary outcome of eligible studies included change in overall tumor incidence as well as tumor size...
July 2016: Journal of B.U.ON.: Official Journal of the Balkan Union of Oncology
https://www.readbyqxmd.com/read/27681738/the-role-of-bioactive-dietary-components-in-modulating-mirna-expression-in-colorectal-cancer
#12
Laura I Gavrilas, Corina Ionescu, Oana Tudoran, Cosmin Lisencu, Ovidiu Balacescu, Doina Miere
Colorectal cancer is the third most common cancer in the world and considered to be one of the most diet-related types of cancer. Extensive research has been conducted but still the link between diet and colorectal cancer is complex. Recent studies have highlight microRNAs (miRNAs) as key players in cancer-related pathways in the context of dietary modulation. MicroRNAs are involved in most biological processes related to tumor development and progression; therefore, it is of great interest to understand the underlying mechanisms by which dietary patterns and components influence the expression of these powerful molecules in colorectal cancer...
2016: Nutrients
https://www.readbyqxmd.com/read/27659301/anti-ageing-active-ingredients-from-herbs-and-nutraceuticals-used-in-traditional-chinese-medicine-pharmacological-mechanisms-and-implications-for-drug-discovery
#13
REVIEW
Chun-Yan Shen, Jian-Guo Jiang, Li Yang, Da-Wei Wang, Wei Zhu
Ageing, an unanswered question in the medical field, is a multifactorial process that results in a progressive functional decline in cells, tissues and organisms. Although it is impossible to prevent ageing, slowing down the rate of ageing is entirely possible to achieve. Traditional Chinese medicine (TCM) is characterized by the nourishing of life and its role in anti-ageing is getting more and more attention. This article summarizes the work done on the natural products from TCM that are reported to have anti-ageing effects, in the past two decades...
September 23, 2016: British Journal of Pharmacology
https://www.readbyqxmd.com/read/27649135/curcumin-and-resveratrol-in-the-management-of-cognitive-disorders-what-is-the-clinical-evidence
#14
REVIEW
Gabriela Mazzanti, Silvia Di Giacomo
A growing body of in vitro and in vivo evidences shows a possible role of polyphenols in counteracting neurodegeneration: curcumin and resveratrol are attractive substances in this regard. In fact, epidemiological studies highlight a neuroprotective effect of turmeric (rhizome of Curcuma longa L.), the main source of curcumin. Moreover, the consumption of red wine, the main source of resveratrol, has been related to a lower risk of developing dementia. In this review, we analyzed the published clinical trials investigating curcumin and resveratrol in the prevention or treatment of cognitive disorders...
September 17, 2016: Molecules: a Journal of Synthetic Chemistry and Natural Product Chemistry
https://www.readbyqxmd.com/read/27638428/curcumin-the-golden-nutraceutical-multitargeting-for-multiple-chronic-diseases
#15
Ajaikumar B Kunnumakkara, Devivasha Bordoloi, Ganesan Padmavathi, Javadi Monisha, Nand Kishor Roy, Sahdeo Prasad, Bharat B Aggarwal
Curcumin, a yellow pigment in the Indian spice Turmeric (Curcuma longa), which is chemically called as diferuloylmethane was first isolated exactly two centuries ago in 1815 by two German Scientists, Vogel and Pelletier. According to pubmed database, however, the first paper was published on its biological activity in 1949 in Nature as an antibacterial agent, and the first clinical trial reported in Lancet in 1937. Although the current database indicates almost 9000 publications on curcumin but until 1990 there were less than 100 papers published on this nutraceutical...
September 17, 2016: British Journal of Pharmacology
https://www.readbyqxmd.com/read/27623718/new-phytochemicals-as-potential-human-anti-aging-compounds-reality-promise-and-challenges
#16
Rubia C G Corrêa, Rosane M Peralta, Charles W I Haminiuk, Giselle Maria Maciel, Adelar Bracht, Isabel C F R Ferreira
Aging is an inevitable process influenced by genetic, lifestyle and environmental factors. Indirect evidence shows that several phytochemicals can have anti-aging capabilities, although direct evidence in this field is still limited. This report aims to provide a critical review on aspects related to the use of novel phytochemicals as anti-aging agents, to discuss the obstacles found when performing most anti-aging study protocols in humans, and to analyze future perspectives. In addition to the extensively studied resveratrol, epicatechin, quercetin and curcumin, new phytochemicals have been reported to act as anti-aging agents, such as the amino acid L-theanine isolated from green tea, and the lignans arctigenin and matairesinol isolated from Arctium lappa seeds...
September 13, 2016: Critical Reviews in Food Science and Nutrition
https://www.readbyqxmd.com/read/27618095/anticancer-efficacy-of-polyphenols-and-their-combinations
#17
REVIEW
Aleksandra Niedzwiecki, Mohd Waheed Roomi, Tatiana Kalinovsky, Matthias Rath
Polyphenols, found abundantly in plants, display many anticarcinogenic properties including their inhibitory effects on cancer cell proliferation, tumor growth, angiogenesis, metastasis, and inflammation as well as inducing apoptosis. In addition, they can modulate immune system response and protect normal cells against free radicals damage. Most investigations on anticancer mechanisms of polyphenols were conducted with individual compounds. However, several studies, including ours, have indicated that anti-cancer efficacy and scope of action can be further enhanced by combining them synergistically with chemically similar or different compounds...
2016: Nutrients
https://www.readbyqxmd.com/read/27610016/research-progress-on-chemopreventive-effects-of-phytochemicals-on-colorectal-cancer-and-their-mechanisms
#18
REVIEW
Teng-Fei Yin, Min Wang, Ying Qing, Ying-Min Lin, Dong Wu
Colorectal cancer (CRC) is a type of cancer with high morbidity and mortality rates worldwide and has become a global health problem. The conventional radiotherapy and chemotherapy regimen for CRC not only has a low cure rate but also causes side effects. Many studies have shown that adequate intake of fruits and vegetables in the diet may have a protective effect on CRC occurrence, possibly due to the special biological protective effect of the phytochemicals in these foods. Numerous in vitro and in vivo studies have demonstrated that phytochemicals play strong antioxidant, anti-inflammatory and anti-cancer roles by regulating specific signaling pathways and molecular markers to inhibit the occurrence and development of CRC...
August 21, 2016: World Journal of Gastroenterology: WJG
https://www.readbyqxmd.com/read/27609747/targeting-cancer-stem-cells-and-signaling-pathways-by-phytochemicals-novel-approach-for-breast-cancer-therapy
#19
Prasad R Dandawate, Dharmalingam Subramaniam, Roy A Jensen, Shrikant Anant
Breast cancer is the most common form of cancer diagnosed in women worldwide and the second leading cause of cancer-related deaths in the USA. Despite the development of newer diagnostic methods, selective as well as targeted chemotherapies and their combinations, surgery, hormonal therapy, radiotherapy, breast cancer recurrence, metastasis and drug resistance are still the major problems for breast cancer. Emerging evidence suggest the existence of cancer stem cells (CSCs), a population of cells with the capacity to self-renew, differentiate and be capable of initiating and sustaining tumor growth...
October 2016: Seminars in Cancer Biology
https://www.readbyqxmd.com/read/27566085/enhancement-of-cytotoxicity-of-three-apoptosis-inducing-agents-against-human-oral-squamous-cell-carcinoma-cell-line-by-benzoxazinotropone
#20
Yukiko Tomikoshi, Maki Nomura, Noriyuki Okudaira, Hiroshi Sakagami, Hidetsugu Wakabayashi
Tumor-specificity (TS) and anti-inflammatory activity of benzo[b]cyclohept[e][1,4]oxazin-6(11H)-one, generally known as benzoxazinotropone (BOT), have been reported. In order to find a new biological activity, the combination effect of BOT and three apoptosis-inducing agents was investigated. Cytotoxicity against four human oral squamous cell carcinoma (OSCC) cell lines and five human oral normal cells (gingival fibroblasts, periodontal ligament fibroblasts, pulp cells, oral keratinocytes and primary gingival epithelial cells) was determined by 3-(4,5-dimethylthiazol-2-yl)-2,5-diphenyltetrazolium bromide (MTT) method...
September 2016: In Vivo
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