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Resveratrol and cancer

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https://www.readbyqxmd.com/read/28934112/biological-mechanisms-by-which-antiproliferative-actions-of-resveratrol-are-minimized
#1
REVIEW
Yih Ho, Yu-Syuan Lin, Hsuan-Liang Liu, Ya-Jung Shih, Shin-Ying Lin, Ai Shih, Yu-Tang Chin, Yi-Ru Chen, Hung-Yun Lin, Paul J Davis
Preclinical and clinical studies have offered evidence for protective effects of various polyphenol-rich foods against cardiovascular diseases, neurodegenerative diseases, and cancers. Resveratrol is among the most widely studied polyphenols. However, the preventive and treatment effectiveness of resveratrol in cancer remain controversial because of certain limitations in existing studies. For example, studies of the activity of resveratrol against cancer cell lines in vitro have often been conducted at concentrations in the low μM to mM range, whereas dietary resveratrol or resveratrol-containing wine rarely achieve nM concentrations in the clinic...
September 21, 2017: Nutrients
https://www.readbyqxmd.com/read/28933588/death-by-over-eating-the-gaucher-disease-associated-gene-gba1-identified-in-a-screen-for-mediators-of-autophagic-cell-death-is-necessary-for-developmental-cell-death-in-drosophila-midgut
#2
Santosh K Dasari, Eyal Schejter, Shani Bialik, Aya Shkedy, Vered Levin-Salomon, Smadar Levin-Zaidman, Adi Kimchi
Autophagy is critical for homeostasis and cell survival during stress, but can also lead to cell death, a little understood process that has been shown to contribute to developmental cell death in lower model organisms, and to human cancer cell death. We recently reported (1) on our thorough molecular and morphologic characterization of an autophagic cell death system involving resveratrol treatment of lung carcinoma cells. To gain mechanistic insight into this death program, we performed a signalome-wide RNAi screen for genes whose functions are necessary for resveratrol-induced death...
September 21, 2017: Cell Cycle
https://www.readbyqxmd.com/read/28933413/the-role-of-the-nrf2-are-antioxidant-system-in-preventing-cardiovascular-diseases
#3
REVIEW
Robert E Smith, Kevin Tran, Cynthia C Smith, Miranda McDonald, Pushkar Shejwalkar, Kenji Hara
It is widely believed that consuming foods and beverages that have high concentrations of antioxidants can prevent cardiovascular diseases and many types of cancer. As a result, many articles have been published that give the total antioxidant capacities of foods in vitro. However, many antioxidants behave quite differently in vivo. Some of them, such as resveratrol (in red wine) and epigallocatechin gallate or EGCG (in green tea) can activate the nuclear erythroid-2 like factor-2 (Nrf2) transcription factor...
November 11, 2016: Diseases (Basel)
https://www.readbyqxmd.com/read/28919750/silver-nanoparticles-enhance-the-apoptotic-potential-of-gemcitabine-in-human-ovarian-cancer-cells-combination-therapy-for-effective-cancer-treatment
#4
Yu-Guo Yuan, Qiu-Ling Peng, Sangiliyandi Gurunathan
BACKGROUND: Gemcitabine (GEM) is widely used as an anticancer agent in several types of solid tumors. Silver nanoparticles (AgNPs) possess unique cytotoxic features and can induce apoptosis in a variety of cancer cells. In this study, we investigated whether the combination of GEM and AgNPs can exert synergistic cytotoxic effects in the human ovarian cancer cell line A2780. METHODS: We synthesized AgNPs using resveratrol as a reducing and stabilizing agent. The synthesized nanomaterials were characterized using various analytical techniques...
2017: International Journal of Nanomedicine
https://www.readbyqxmd.com/read/28917853/preparation-and-biological-activity-studies-of-resveratrol-loaded-ionically-cross-linked-chitosan-tpp-nanoparticles
#5
Jie Wu, Yaping Wang, Hao Yang, Xiangyu Liu, Zhong Lu
Nanoparticles with size range of 10-500nm can be efficiently delivered into cancer cells by the Enhanced Permeability and Retention (EPR) effect. Here, we prepared resveratrol (Res) loaded chitosan (CS) nanoparticles with the size of 172-217nm by an ionic cross-linking method, with sodium tripolyphosphate (TPP) as the cross-linking agent, to improve the stability, solubility and tumors targeting of the natural anti-cancer drug Res. The prepared Res loaded CS-TPP nanoparticles presented long-term storage stability and UV light stability...
November 1, 2017: Carbohydrate Polymers
https://www.readbyqxmd.com/read/28915620/prpf-overexpression-induces-drug-resistance-through-actin-cytoskeleton-rearrangement-and-epithelial-mesenchymal-transition
#6
Salman Ul Islam, Adeeb Shehzad, Jong Kyung Sonn, Young Sup Lee
Pre-mRNA processing factor (PRPF) 4B kinase belongs to the CDK-like kinase family, and is involved in pre-mRNA splicing, and in signal transduction. In this study, we observed that PRPF overexpression decreased the intracellular levels of reactive oxygen species, and inhibited resveratrol-induced apoptosis by activating the cell survival signaling proteins NFκB, ERK, and c-MYC in HCT116 human colon cancer cells. PRPF overexpression altered cellular morphology, and rearranged the actin cytoskeleton, by regulating the activity of Rho family proteins...
August 22, 2017: Oncotarget
https://www.readbyqxmd.com/read/28911531/biological-actions-and-molecular-effects-of-resveratrol-pterostilbene-and-3-hydroxypterostilbene
#7
REVIEW
Hui-Yun Tsai, Chi-Tang Ho, Yu-Kuo Chen
Stilbenes are a class of polyphenolic compounds, naturally found in a wide variety of dietary sources such as grapes, berries, peanuts, red wine, and some medicinal plants. There are several well-known stilbenes including trans-resveratrol, pterostilbene, and 3'-hydroxypterostilbene. The core chemical structure of stilbene compounds is 1,2-diphenylethylene. Recently, stilbenes have attracted extensive attention and interest due to their wide range of health-beneficial effects such as anti-inflammation, -carcinogenic, -diabetes, and -dyslipidemia activities...
January 2017: Journal of Food and Drug Analysis
https://www.readbyqxmd.com/read/28911530/autophagy-inducing-effect-of-pterostilbene-a%C3%A2-prospective-therapeutic-preventive-option-for-skin-diseases
#8
Rong-Jane Chen, Yu-Hsuan Lee, Ya-Ling Yeh, Wun-Syuan Wu, Chi-Tang Ho, Chia-Yi Li, Bour-Jr Wang, Ying-Jan Wang
Pterostilbene is a naturally occurring analog of resveratrol with many health benefits. These health benefits are associated with its antioxidant activity, anti-inflammatory effects, and chemopreventive effects attributed to its unique structure. The skin cancer chemopreventive potential of pterostilbene is supported by a variety of mechanistic studies confirming the anti-inflammatory effects in skin cancer models. Molecular biological studies have identified that pterostilbene targets pleotropic signaling pathways, including those involved in mitogenesis, cell cycle regulation, and apoptosis...
January 2017: Journal of Food and Drug Analysis
https://www.readbyqxmd.com/read/28911340/ursolic-acid-attenuates-tgf-%C3%AE-1-induced-epithelial-mesenchymal-transition-in-nsclc-by-targeting-integrin-%C3%AE-v%C3%AE-5-mmps-signaling
#9
Jun Shan Ruan, Huan Zhou, Lin Yang, Ling Wang, Zong Sheng Jiang, Hong Sun, Shao Ming Wang
Transforming growth factor-β1 (TGF-β1)-induced epithelial-mesenchymal transition (EMT) of non-small-cell carcinoma (NSCLC) may contribute to tumor metastasis. TGF-β1-induced EMT in H1975 cells (a human NSCLC cell line) resulted in the adoption of mesenchymal responses that were predominantly mediated via the TGF-β1-integrin signaling pathway. Ursolic acid has been previously reported to inhibit tumor growth and metastasis in several cancers. However, whether ursolic acid can attenuate TGF-β1-induced EMT in H1975 cells and its underlying mechanisms remains unknown...
September 14, 2017: Oncology Research
https://www.readbyqxmd.com/read/28903430/resveratrol-inhibits-age-dependent-spontaneous-tumorigenesis-by-sirt1-mediated-post-translational-modulations-in-the-annual-fish-nothobranchius-guentheri
#10
Tingting Liu, Long Ma, Zhaodi Zheng, Fenglin Li, Shan Liu, Yingbo Xie, Guorong Li
Resveratrol, SIRT1 activator, inhibits carcinogenesis predominantly performed in transgenic animal models, orthotopic cancers of nude mice or different cancer cell lines, but its effects during process of spontaneous tumors using vertebrate models remain untested. Spontaneous liver neoplasm is an age-related disease and is inhibited by resveratrol in the annual fish Nothobranchius guentheri, which indicates that the fish can act as an excellent model to study spontaneous tumorigenesis. Totally, 175 fish were fed with resveratrol and another 175 fish for controls...
August 15, 2017: Oncotarget
https://www.readbyqxmd.com/read/28903374/resveratrol-enhances-polyubiquitination-mediated-arv7-degradation-in-prostate-cancer-cells
#11
Sarah Wilson, Lucia Cavero, Dali Tong, Qiuli Liu, Kyla Geary, Nicholas Talamonti, Jing Xu, Junjiang Fu, Jun Jiang, Dianzheng Zhang
Although androgen deprivation therapy (ADT) serves as the primary treatment option for localized or metastatic prostate cancer, most cases eventually develop into castration-resistant prostate cancer (CRPC). However, androgen receptor (AR) continues to be functional in CRPC through various mechanisms, including the development of AR splicing variants, especially ARV7. Since it lacks the ligand binding domain but retains the intact DNA binding domain, ARV7 is constitutively active, which makes ARV7-positive prostate cancer responsive to neither abiraterone nor enzalutamide...
August 15, 2017: Oncotarget
https://www.readbyqxmd.com/read/28889799/in-vitro-protective-effects-of-resveratrol-and-stilbene-alkanoic-derivatives-on-induced-oxidative-stress-on-c2c12-and-mcf7-cells
#12
L Leporini, L Giampietro, R Amororso, A Ammazzalorso, M Fantacuzzi, L Menghini, C Maccallini, C Ferrante, G Orlando, B De Filippis
Resveratrol (3,4’,5-trihydroxy-trans-stilbene) is a natural phytoalexin found in grapes and wine, which has been extensively studied for a wide range of biological effects. A large number of stilbene-containing derivatives have displayed antioxidant and antiproliferative activities on various cancer cell lines. In this study, a series of stilbene hybrids 1-9, previously reported as peroxisome proliferator-activated receptor (PPAR) agonists, were assessed at micromolar concentrations using MTT cell viability assay in C2C12 and MCF7 cell lines...
September 11, 2017: Journal of Biological Regulators and Homeostatic Agents
https://www.readbyqxmd.com/read/28888979/resveratrol-piceatannol-and-analogs-inhibit-activation-of-both-wild-type-and-t877a-mutant-androgen-receptor
#13
Johan Lundqvist, Corrado Tringali, Agneta Oskarsson
Prostate cancer growth and progression is mainly dependent on androgens and many current prostate cancer treatment options target the synthesis or function of androgens. We have previously reported that resveratrol and synthetic analogs of resveratrol with a higher bioavailability inhibit the synthesis of androgens in human adrenocortical H295R cells. Now we have studied the antiandrogenic properties of resveratrol, piceatannol and analogs in two different prostate cell lines; LNCaP and RWPE. LNCaP carry a T877A mutation in the androgen receptor while RWPE has a wild-type androgen receptor...
September 6, 2017: Journal of Steroid Biochemistry and Molecular Biology
https://www.readbyqxmd.com/read/28883751/resveratrol-raises-in-vitro-anticancer-effects-of-paclitaxel-in-nsclc-cell-line-a549-through-cox-2-expression
#14
Fanhua Kong, Runqi Zhang, Xudong Zhao, Guanlin Zheng, Zhou Wang, Peng Wang
The aim of this study was to determine the raising anticancer effects of resveratrol (Res) on paclitaxel (PA) in non-small cell lung cancer (NSCLC) cell line A549. The 10 µg/ml of Res had no effect on human fetal lung fibroblast MRC-5 cells or on A549 cancer cells and the 5 or 10 µg/ml of PA also had no effect on MRC-5 normal cells. PA-L (5 µg/ml) and PA-H (10 µg/ml) had the growth inhibitory effects in NSCLC cell line A549, and Res increased these growth inhibitory effects. By flow cytometry experiment, after Res (5 µg/ml)+PA-H (10 µg/ml) treatment, the A549 cells showed the most apoptosic cells compared to other group treatments, and after additional treatment with Res, the apoptosic cells of both two PA concentrations were raised...
September 2017: Korean Journal of Physiology & Pharmacology
https://www.readbyqxmd.com/read/28873415/proliferative-endocrine-effects-of-adipose-tissue-from-obese-animals-on-mcf7-cells-are-ameliorated-by-resveratrol-supplementation
#15
Christopher F Theriau, O'Llenecia S Sauvé, Marie-Soleil Beaudoin, David C Wright, Michael K Connor
Obesity is clearly associated with an increased risk of breast cancer in postmenopausal women. The purpose was to determine if obesity alters the adipocyte adipokine secretion profile, thereby altering the adipose-dependent paracrine/endocrine growth microenvironment surrounding breast cancer cells (MCF7). Additionally, we determined whether resveratrol (RSV) supplementation can counteract any obesity-dependent effects on breast cancer tumor growth microenvironment. Obese ZDF rats received standard chow diet or diet supplemented with 200 mg/kg body weight RSV...
2017: PloS One
https://www.readbyqxmd.com/read/28861171/caragaphenol-a-induces-reactive-oxygen-species-related-apoptosis-in-human-gastric-cancer-cells
#16
Qi-Qi Peng, Kun Wang, Ke-Jun Cheng, Hai-Gan Yang, Jian-Ge Qiu, Wen-Ji Zhang, Qi-Wei Jiang, Yang Yang, Di-Wei Zheng, Jia-Rong Huang, Meng-Ning Wei, Zhi Shi, Wei Wang
Caragaphenol A (CAA) is a novel resveratrol trimer isolated from the roots of Caraganastenophylla. However, the biological activity of CAA is still unknown. In the present study, we investigated the anticancer effects of CAA on gastric cancer cells. CAA selectively inhibited cell growth of human gastric cancer cells. Moreover, CAA potently induced cell cycle arrest at G2/M phase and apoptosis with the increased intracellular reactive oxidative species (ROS) level. Inhibition of ROS could partially rescue CAA-induced cell apoptosis...
2017: American Journal of Translational Research
https://www.readbyqxmd.com/read/28856729/the-protein-restriction-mimetic-resveratrol-is-an-autophagy-inducer-stronger-than-amino-acid-starvation-in-ovarian-cancer-cells
#17
Alessandra Ferraresi, Rossella Titone, Carlo Follo, Andrea Castiglioni, Giovanna Chiorino, Danny N Dhanasekaran, Ciro Isidoro
The potential benefit of nutrient starvation in the prevention and treatment of cancer is presently under consideration. Resveratrol (RV), a dietary polyphenol acting as a protein (caloric) restriction mimetic, could substitute for amino acid starvation. The effects of starvation and of caloric restriction are mediated, among others, by autophagy, a process that contributes to cell homeostasis by promoting the lysosomal degradation of damaged and redundant self-constituents. Up-regulation of autophagy favors cell survival under nutrient shortage situation, and may drive cancer cells into a non-replicative, dormant state...
August 30, 2017: Molecular Carcinogenesis
https://www.readbyqxmd.com/read/28856688/gnetin-c-and-other-resveratrol-oligomers-with-cancer-chemopreventive-potential
#18
REVIEW
J Luis Espinoza, Pleiades T Inaoka
Resveratrol has been extensively studied to investigate its biological effects, including its chemopreventive potential against cancer. Over the past decade, various resveratrol oligomers, both naturally occurring and synthetic, have been described. These resveratrol oligomers result from the polymerization of two or more resveratrol units to form dimers, trimers, tetramers, or even more complex derivatives. Some oligomers appear to have antitumor activities that are similar or superior to monomeric resveratrol...
August 30, 2017: Annals of the New York Academy of Sciences
https://www.readbyqxmd.com/read/28841784/regulation-of-microrna-using-promising-dietary-phytochemicals-possible-preventive-and-treatment-option-of-malignant-mesothelioma
#19
REVIEW
Md Abu Sayeed, Massimo Bracci, Guendalina Lucarini, Raffaella Lazzarini, Roberto Di Primio, Lory Santarelli
Malignant mesothelioma (MM) is a very aggressive, lethal cancer, and its incidence is increasing worldwide. Development of multi-drug resistance, therapy related side-effects, and disease recurrence after therapy are the major problems for the successful treatment of MM. Emerging evidence indicates that dietary phytochemicals can exert anti-cancer activities by regulating microRNA expression. Until now, only one dietary phytochemical (ursolic acid) has been reported to have MM microRNA regulatory ability. A large number of dietary phytochemicals still remain to be tested...
October 2017: Biomedicine & Pharmacotherapy, Biomédecine & Pharmacothérapie
https://www.readbyqxmd.com/read/28827661/sirt7-antagonizes-tgf-%C3%AE-signaling-and-inhibits-breast-cancer-metastasis
#20
Xiaolong Tang, Lei Shi, Ni Xie, Zuojun Liu, Minxian Qian, Fanbiao Meng, Qingyang Xu, Mingyan Zhou, Xinyue Cao, Wei-Guo Zhu, Baohua Liu
Distant metastasis is the main cause of breast cancer-related death; however, effective therapeutic strategies targeting metastasis are still scarce. This is largely attributable to the spatiotemporal intratumor heterogeneity during metastasis. Here we show that protein deacetylase SIRT7 is significantly downregulated in breast cancer lung metastases in human and mice, and predicts metastasis-free survival. SIRT7 deficiency promotes breast cancer cell metastasis, while temporal expression of Sirt7 inhibits metastasis in polyomavirus middle T antigen breast cancer model...
August 22, 2017: Nature Communications
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