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Resveratrol and cancer

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https://www.readbyqxmd.com/read/28435473/downregulation-of-mitochondrial-cyclooxygenase-2-inhibits-the-stemness-of-nasopharyngeal-carcinoma-by-decreasing-the-activity-of-dynamin-related-protein-1
#1
Teng-Jian Zhou, Shi-Li Zhang, Cheng-Yong He, Qun-Ying Zhuang, Pei-Yu Han, Sheng-Wei Jiang, Huan Yao, Yi-Jun Huang, Wen-Hua Ling, Yu-Chun Lin, Zhong-Ning Lin
Cancer stem cells (CSCs) are a small subset of malignant cells, possessing stemness, with strong tumorigenic capability, conferring resistance to therapy and leading to the relapse of nasopharyngeal carcinoma (NPC). Our previous study suggested that cyclooxygenase-2 (COX-2) would be a novel target for the CSCs-like side population (SP) cells in NPC. In the present study, we further found that COX-2 maintained the stemness of NPC by enhancing the activity of mitochondrial dynamin-related protein 1 (Drp1), a mitochondrial fission mediator, by studying both sorted SP cells from NPC cell lines and gene expression analyses in NPC tissues...
2017: Theranostics
https://www.readbyqxmd.com/read/28435252/polyphenol-nanoformulations-for-cancer-therapy-experimental-evidence-and-clinical-perspective
#2
REVIEW
Yasamin Davatgaran-Taghipour, Salar Masoomzadeh, Mohammad Hosein Farzaei, Roodabeh Bahramsoltani, Zahra Karimi-Soureh, Roja Rahimi, Mohammad Abdollahi
Cancer is defined as the abnormal cell growth that can cause life-threatening malignancies with high financial costs for patients as well as the health care system. Natural polyphenols have long been used for the prevention and treatment of several disorders due to their antioxidant, anti-inflammatory, cytotoxic, antineoplastic, and immunomodulatory effects discussed in the literature; thus, these phytochemicals are potentially able to act as chemopreventive and chemotherapeutic agents in different types of cancer...
2017: International Journal of Nanomedicine
https://www.readbyqxmd.com/read/28431926/multiple-repair-pathways-mediate-cellular-tolerance-to-resveratrol-induced-dna-damage
#3
Ying Liu, Xiaohua Wu, Xiaoqing Hu, Ziyuan Chen, Hao Liu, Shunichi Takeda, Yong Qing
Resveratrol (RSV) has been reported to exert health benefits for the prevention and treatment of many diseases, including cancer. The anticancer mechanisms of RSV seem to be complex and may be associated with genotoxic potential. To better understand the genotoxic mechanisms, we used wild-type (WT) and a panel of isogenic DNA-repair deficient DT40 cell lines to identify the DNA damage effects and molecular mechanisms of cellular tolerance to RSV. Our results showed that RSV induced significant formation of γ-H2AX foci and chromosome aberrations (CAs) in WT cells, suggesting direct DNA damage effects...
April 18, 2017: Toxicology in Vitro: An International Journal Published in Association with BIBRA
https://www.readbyqxmd.com/read/28429008/anticancer-effects-of-novel-resveratrol-analogues-on-human-ovarian-cancer-cells
#4
Daniele Vergara, Stefania De Domenico, Andrea Tinelli, Eleonora Stanca, Loretta L Del Mercato, Anna M Giudetti, Pasquale Simeone, Nicola Guazzelli, Marco Lessi, Chiara Manzini, Angelo Santino, Fabio Bellina, Michele Maffia
Resveratrol, a naturally occurring phytoalexin, has long been known to play an important regulatory role in key functions in cell physiology. This multifunctional role of resveratrol is explained by its ability to interact with several targets of various cell pathways. In the recent past, synthetic chemical modifications have been made in an attempt to enhance the biological effects of resveratrol, including its anti-cancer properties. In this study, we investigated the molecular mechanisms of action of novel trans-restricted analogues of resveratrol in which the C-C double bond of the natural derivative has been replaced by diaryl-substituted imidazole analogues...
April 21, 2017: Molecular BioSystems
https://www.readbyqxmd.com/read/28416754/unique-synergistic-formulation-of-curcumin-epicatechin-gallate-and-resveratrol-tricurin-suppresses-hpv-e6-eliminates-hpv-cancer-cells-and-inhibits-tumor-progression
#5
Sumit Mukherjee, Priya Ranjan Debata, Rahman Hussaini, Kaushiki Chatterjee, Juliet N E Baidoo, Samay Sampat, Anita Szerszen, Joseph P Navarra, Jimmie Fata, Elena Severinova, Probal Banerjee, Mario R Castellanos
Curcumin (from curry) (C) is highly potent against cervical cancer cells (CCC), but poor bioavailability has limited its clinical use. Similar natural polyphenols resveratrol (from grapes) (R), and epicatechin gallate (from green tea) (E) also display activity against CCC. By treating CCC (HeLa) with C, E, or R, or combinations of these compounds, we computed combination indices and observed a strong synergism among C, E, and R at the unique molar ratio 4:1:12.5. This combination, named as TriCurin, rapidly down regulated HPV18 E6 and NF-kB expression while concomitantly inducing the tumor suppressor protein p53 in HeLa cells...
March 29, 2017: Oncotarget
https://www.readbyqxmd.com/read/28410552/a-novel-solubility-enhanced-rubusoside-based-micelles-for-increased-cancer-therapy
#6
Meiying Zhang, Tongcheng Dai, Nianping Feng
Many anti-cancer drugs have a common problem of poor solubility. Increasing the solubility of the drugs is very important for its clinical applications. In the present study, we revealed that the solubility of insoluble drugs was significantly enhanced by adding rubusoside (RUB). Further, it was demonstrated that RUB could form micelles, which was well characterized by Langmuir monolayer investigation, transmission electron microscopy, atomic-force microscopy, and cryogenic transmission electron microscopy...
December 2017: Nanoscale Research Letters
https://www.readbyqxmd.com/read/28403783/synthesis-and-evaluation-of-2-naphthaleno-trans-stilbenes-and-cyanostilbenes-as-anticancer-agents
#7
Nikhil R Madadi, Narsimha R Penthala, Amit Ketkar, Robert L Eoff, Vicenta Trujullo-Alonso, Monica L Guzman, Peter A Crooks
A series of novel 2-naphthaleno stilbenes (3a-3h) and cyanostilbenes (5a-5h) have been synthesized as analogs of resveratrol and DMU-212, and evaluated for their anticancer activity against a panel of 54 human cancer cell lines. The analog 5c ((Z)-3-(naphthalen-2-yl)-2-(3,4,5-trimethoxyphenyl) acrylonitrile) was significantly effective against four particular cancer cell lines: i.e. colon cancer cell line COLO 205, CNS cancer cell line SF 539 and melanoma cancer cell lines SK-MEL 5 and MDA-MB-435 with GI50 values of 22 nM, 25 nM, 23 nM and 21 nM, respectively...
April 12, 2017: Anti-cancer Agents in Medicinal Chemistry
https://www.readbyqxmd.com/read/28397161/alginate-nanoparticles-containing-curcumin-and-resveratrol-preparation-characterization-and-in-vitro-evaluation-against-du145-prostate-cancer-cell-line
#8
Pushkar Saralkar, Alekha K Dash
Curcumin and resveratrol are naturally occurring polyphenolic compounds having anti-cancer potential. However, their poor aqueous solubility and bioavailability limit their clinical use. Entrapment of hydrophobic drugs into hydrophilic nanoparticles such as calcium alginate presents a means to deliver these drugs to their target site. Curcumin and resveratrol-loaded calcium alginate nanoparticles were prepared by emulsification and cross-linking process. The nanoparticles were characterized for particle size, zeta potential, moisture content, physical state of the drugs, physical stability, and entrapment efficiency...
April 10, 2017: AAPS PharmSciTech
https://www.readbyqxmd.com/read/28396216/assessment-of-the-potential-activity-of-major-dietary-compounds-as-selective-estrogen-receptor-modulators-in-two-distinct-cell-models-for-proliferation-and-differentiation
#9
Sylvain Lecomte, Marie Lelong, Gaëlle Bourgine, Theo Efstathiou, Christian Saligaut, Farzad Pakdel
Estrogen receptors (ERs) α and β are distributed in most tissues of women and men. ERs are bound by estradiol (E2), a natural hormone, and mediate the pleiotropic and tissue-specific effects of E2, such as proliferation of breast epithelial cells or protection and differentiation of neuronal cells. Numerous environmental molecules, called endocrine disrupting compounds, also interact with ERs. Phytoestrogens belong to this large family and are considered potent therapeutic molecules that act through their selective estrogen receptor modulator (SERM) activity...
April 7, 2017: Toxicology and Applied Pharmacology
https://www.readbyqxmd.com/read/28393691/biotechnological-approaches-for-production-of-anti-cancerous-compounds-resveratrol-podophyllotoxin-and-zerumbone
#10
Krishnadas Nandagopal, Mihir Halder, Biswabhusan Dash, Sanghamitra Nayak, Sumita Jha
Secondary metabolites from numerous plant sources have been developed as anti-cancer reagents and compounds such as resveratrol, podophyllotoxin and zerumbone are of particular importance in this regard. Since their de novo chemical synthesis is both arduous and commercially expensive, there has been an impetus to develop viable, biotechnological methods of production. Accordingly, this review focuses on recent developments in the field, highlighting the use of micropropagation, cell suspension cultures, callus cultures, hairy root cultures, recombinant microbes and genetically modified higher plants...
April 4, 2017: Current Medicinal Chemistry
https://www.readbyqxmd.com/read/28391184/thioredoxin-1-modulates-apoptosis-induced-by-bioactive-compounds-in-prostate-cancer-cells
#11
Aida Rodriguez-Garcia, David Hevia, Juan C Mayo, Pedro Gonzalez-Menendez, Lucia Coppo, Jun Lu, Arne Holmgren, Rosa M Sainz
Accumulating evidence suggests that natural bioactive compounds, alone or in combination with traditional chemotherapeutic agents, could be used as potential therapies to fight cancer. In this study, we employed four natural bioactive compounds (curcumin, resveratrol, melatonin, and silibinin) and studied their role in redox control and ability to promote apoptosis in androgen sensitive and insensitive prostate cancer cells. Here is shown that curcumin and resveratrol promote ROS production and induce apoptosis in LNCaP and PC-3...
March 31, 2017: Redox Biology
https://www.readbyqxmd.com/read/28388839/critical-depurinating-dna-adducts-estrogen-adducts-in-the-etiology-and-prevention-of-cancer-and-dopamine-adducts-in-the-etiology-and-prevention-of-parkinson-s-disease
#12
REVIEW
Ercole L Cavalieri, Eleanor G Rogan, Muhammad Zahid
Endogenous estrogens become carcinogens when dangerous metabolites, the catechol estrogen quinones, are formed. In particular, the catechol estrogen-3,4-quinones can react with DNA to produce an excess of specific depurinating estrogen-DNA adducts. Loss of these adducts leaves apurinic sites in the DNA, generating subsequent cancer-initiating mutations. Unbalanced estrogen metabolism yields excessive catechol estrogen-3,4-quinones, increasing formation of depurinating estrogen-DNA adducts and the risk of initiating cancer...
April 7, 2017: International Journal of Cancer. Journal International du Cancer
https://www.readbyqxmd.com/read/28385009/inhibitory-effects-of-resveratrol-on-hepatitis-b-virus-x-protein-hbx-induced-hepatocellular-carcinoma-hcc
#13
Seungmo Park, Jihae Lim, Jong Rhan Kim, Seongbeom Cho
Liver cancer occurs very frequently worldwide and hepatocellular carcinoma (HCC) accounts for more than 80% of total primary liver cancer cases. Here, the anticarcinogenic effects of resveratrol against hepatitis B virus (HBV)-induced HCC were investigated using HBV X-protein-overexpressing Huh7 (Huh7-HBx) human hepatoma cells. MTT assay showed that resveratrol decreased cell viability. Fluorescence-activated cell sorter analysis showed that it induced G1 cell cycle arrest without increasing the sub-G1 phase cell population...
April 6, 2017: Journal of Veterinary Science
https://www.readbyqxmd.com/read/28377996/data-on-the-effects-of-anti-cancer-drug-of-resveratrol-in-breast-cancer-cells-mda-mb-231-cells
#14
Eunmi Park
The data here is related to the article, "Curcumin enhances poly (ADP-ribose) polymerase inhibitor sensitivity to chemotherapy in breast cancer cells" (Y.E Choi, and E. Park, 2015) [1]. The article shows that curcumin, as a natural bioactive compound, enhanced DNA damage response and induced cell death in MDA-MB-231 cells [1]. This data includes that breast cancer cells, MDA-MB-231 respond to DNA damage after UV irradiation, post to resveratrol treatment. The data shows that resveratrol treatment results in reduction of S-phase cell cycle and induction of γ-H2AX, which is a hallmark of DNA damage after UV irradiation in breast cancer cells, MDA-MB-231...
June 2017: Data in Brief
https://www.readbyqxmd.com/read/28366708/combination-of-abt-737-and-resveratrol-enhances-dna-damage-and-apoptosis-in-human-t-cell-acute-lymphoblastic-leukemia-molt-4-cells
#15
Małgorzata Opydo-Chanek, Agnieszka Rak, Agnieszka Cierniak, Lidia Mazur
ABT-737 belongs to a new class of anticancer agents named BH3 mimetics. ABT-737 competitively binds to surface hydrophobic grooves of anti-apoptotic proteins of Bcl-2 family, counteracting their protective effect. Resveratrol is a natural polyphenol that has been shown to inhibit the proliferation and/or induce apoptosis in a number of different types of cancer cells. The present study was designed to analyze the combined effects of ABT-737 and resveratrol on human acute lymphoblastic leukemia cells. The in vitro cytotoxic activity of these agents against MOLT-4 leukemia cells was determined using the Coulter electrical impedance method, comet assay, and flow cytometry, light microscopy and western blot techniques...
March 30, 2017: Toxicology in Vitro: An International Journal Published in Association with BIBRA
https://www.readbyqxmd.com/read/28338176/the-inhibitory-effect-of-resveratrol-on-cox-2-expression-in-human-colorectal-cancer-a-promising-therapeutic-strategy
#16
W-H Gong, N Zhao, Z-M Zhang, Y-X Zhang, L Yan, J-B Li
OBJECTIVE: The objective of this study is to investigate the mechanism of resveratrol (RSVL) on the inhibitory effect on the expression of COX-2 in human colorectal cancer. MATERIALS AND METHODS: In this study, we used the HCT-116 cells as the observation group, and the normal cells as the control group. The inhibitory effect induced by RSVL on the COX-2 expression in human colorectal cancer was investigated. For the observation group, cells were cultured in the nutrition solution with RSVL, while the cells in both control group (normal colon epithelial cells) and blank control group (none-treated HCT-116 cells) were cultured in the regular nutrition solution...
March 2017: European Review for Medical and Pharmacological Sciences
https://www.readbyqxmd.com/read/28332605/janus-faced-acrolein-prevents-allergy-but-accelerates-tumor-growth-by-promoting-immunoregulatory-foxp3-cells-mouse-model-for-passive-respiratory-exposure
#17
Franziska Roth-Walter, Cornelia Bergmayr, Sarah Meitz, Stefan Buchleitner, Caroline Stremnitzer, Judit Fazekas, Anna Moskovskich, Mario A Müller, Georg A Roth, Krisztina Manzano-Szalai, Zdenek Dvorak, Alina Neunkirchner, Erika Jensen-Jarolim
Acrolein, a highly reactive unsaturated aldehyde, is generated in large amounts during smoking and is best known for its genotoxic capacity. Here, we aimed to assess whether acrolein at concentrations relevant for smokers may also exert immunomodulatory effects that could be relevant in allergy or cancer. In a BALB/c allergy model repeated nasal exposure to acrolein abrogated allergen-specific antibody and cytokine formation, and led to a relative accumulation of regulatory T cells in the lungs. Only the acrolein-treated mice were protected from bronchial hyperreactivity as well as from anaphylactic reactions upon challenge with the specific allergen...
March 23, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28329136/chronic-resveratrol-treatment-inhibits-mrc5-fibroblast-sasp-related-protumoral-effects-on-melanoma-cells
#18
Beatrice Menicacci, Anna Laurenzana, Anastasia Chillà, Francesca Margheri, Silvia Peppicelli, Elisabetta Tanganelli, Gabriella Fibbi, Lisa Giovannelli, Mario Del Rosso, Alessandra Mocali
Cellular senescence is related to organismal aging and is observed after DNA damaging cancer therapies, that induce tumor-suppressive modifications, but it is characterized by a strong increase in secreted factors, termed the "senescence-associated secretory phenotype" (SASP). Particularly, SASP from stroma senescent fibroblasts creates a cancer-favoring microenvironment, providing targets for anti-cancer interventions. In the present article, chronic treatment (5 weeks) with 5 µM resveratrol has been used to modulate senescence-related protumoral features of MRC5 fibroblasts, reducing SASP-related interleukins IL1α, IL1β, IL6, and IL8; transforming-growth-factor-β (TGFβ); matrix metallo-proteinases MMP3 and MMP2; urokinase plasminogen activator (uPA); receptor proteins uPAR, IL6R, insulin growth factor receptor-1 (IGF-1R), TGFβ-R2, and CXCR4...
January 20, 2017: Journals of Gerontology. Series A, Biological Sciences and Medical Sciences
https://www.readbyqxmd.com/read/28315369/resveratrol-as-mdr-reversion-molecule-in-breast-cancer-an-overview
#19
REVIEW
Nafiseh Sadat Alamolhodaei, Aristidis M Tsatsakis, Mohammad Ramezani, A Wallace Hayes, Gholamreza Karimi
Breast cancer is the most common cause of cancer mortality among women worldwide; therefore, a strategy to defeat breast cancer is an extremely important medical issue. One of the major challenges in this regard is multidrug resistance (MDR). Resveratrol, a well-known phytoestrogen, may be helpful as part of an overall strategy to defeat breast cancer. The mixed agonist and antagonist role of resveratrol for the estrogen receptor makes it a controversial but interesting molecule in cancer therapy, especially in hormone dependent cancers...
May 2017: Food and Chemical Toxicology
https://www.readbyqxmd.com/read/28303009/resveratrol-sequentially-induces-replication-and-oxidative-stresses-to-drive-p53-cxcr2-mediated-cellular-senescence-in-cancer-cells
#20
Boxuan Li, Dong Hou, Haiyang Guo, Haibin Zhou, Shouji Zhang, Xiuhua Xu, Qiao Liu, Xiyu Zhang, Yongxin Zou, Yaoqin Gong, Changshun Shao
Resveratrol (RSV) acts either as an antioxidant or a pro-oxidant depending on contexts. RSV-treated cancer cells may experience replication stress that can lead to cellular senescence or apoptosis. While both oxidative and replication stresses may mediate the anti-proliferation effect of RSV, to what extent each contributes to the impaired proliferation in response to RSV remains uncharacterized. We here report the study of the roles of replication and oxidative stresses in mediating cellular senescence in cancer cells treated with RSV...
March 16, 2017: Scientific Reports
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