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Cancer curcumin

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https://www.readbyqxmd.com/read/29028078/a-natural-pharma-standard-supplement-formulation-to-control-treatment-related-toxicity-and-oxidative-stress-in-genitourinary-cancer-a-preliminary-study
#1
A Ledda, G Belcaro, M Dugall, R Luzzi, M Hosoi, B Feragalli, R Cotellese, V Cosentino, M Cosentino, R Eggenhoffner, M Pellizzato, A Fratter, L Giacomelli
OBJECTIVE: Oncological treatments are associated with toxicities that may decrease compliance to treatment in most genitourinary cancer patients. Supplementation with pharmaceutical-standardized supplement may be a supplementary method to control the side effects after chemo- and radiotherapy and the increased oxidative stress associated to treatments. This registry study evaluated a natural combination of supplements containing curcumin, cordyceps, and astaxanthin (Oncotris™) used as supplementary management in genitourinary cancer patients who had undergone oncological therapy...
September 2017: European Review for Medical and Pharmacological Sciences
https://www.readbyqxmd.com/read/29025645/enhancing-the-anti-gastric-cancer-activity-of-curcumin-with-biocompatible-and-ph-sensitive-pmma-aa-zno-nanoparticles
#2
Raman Dhivya, Jothi Ranjani, Jeyaprakash Rajendhran, Jeyanthinath Mayandi, Jamespandi Annaraj
Curcumin loaded ZnO nanoparticles were successfully synthesised and encapsulated with co-polymer PMMA-AA (Cur/PMMA-AA/ZnO NPs). The ZnO nanoparticles have been converted as good cargo materials to carry the well-known hydrophobic drug curcumin by surface functionalization. Physical characteristics of these novel nanomaterials have been studied with transmission electron microscopy (TEM) and powder X-ray diffraction (XRD) in conjunction with spectral techniques. A narrow particle size distribution with an average value of 42nm was found via TEM...
January 1, 2018: Materials Science & Engineering. C, Materials for Biological Applications
https://www.readbyqxmd.com/read/29017954/low-level-led-photodynamic-therapy-using-curcumin-loaded-tetraether-liposomes
#3
Lili Duse, Shashank Reddy Pinnapireddy, Boris Strehlow, Jarmila Jedelská, Udo Bakowsky
Oncological use of photodynamic therapy is an evolving field in cancer therapeutics. Photosensitisers are prone to accumulation inside healthy tissues causing undesirable effects. To avoid this, we have developed tetraether lipid liposomal formulations containing curcumin which is a naturally occurring anti-cancer substance and deemed to be safe towards healthy cells. Upon excitation with light at a specific wavelength, curcumin produces reactive oxygen species (ROS) in presence of oxygen, thereby exhibiting a cytotoxic effect towards the surrounding tissues, giving a total control on the onset of therapy...
October 7, 2017: European Journal of Pharmaceutics and Biopharmaceutics
https://www.readbyqxmd.com/read/29017913/the-use-of-natural-compounds-for-the-targeting-and-chemoprevention-of-ovarian-cancer
#4
Francesca Pistollato, Ruben Calderón Iglesias, Roberto Ruiz, Silvia Aparicio, Jorge Crespo, Luis Dzul Lopez, Francesca Giampieri, Maurizio Battino
Among gynaecological cancers, ovarian cancer represents the leading cause of death in women. Current treatment for ovarian cancer entails surgery followed by combined chemotherapy with platinum and taxane, which are associated, particularly cisplatin, with severe side effects. While this treatment approach appears to be initially effective in a high number of patients, nearly 70% of them suffer a relapse within a few months after initial treatment. Therefore, more effective and better-tolerated treatment options are clearly needed...
October 7, 2017: Cancer Letters
https://www.readbyqxmd.com/read/28994313/trail-and-curcumin-codelivery-nanoparticles-enhance-trail-induced-apoptosis-through-upregulation-of-death-receptors
#5
Xi Yang, Zhaojun Li, Qinjie Wu, Shouchun Chen, Cheng Yi, Changyang Gong
Active targeting nanoparticles were developed to simultaneously codeliver tumor necrosis factor-related apoptosis-inducing ligand (TRAIL) and Curcumin (Cur). In the nanoparticles (TRAIL-Cur-NPs), TRAIL was used as both active targeting ligand and therapeutic agent, and Cur could upregulate death receptors (DR4 and DR5) to increase the apoptosis-inducing effects of TRAIL. Compared with corresponding free drugs, TRAIL-Cur-NPs group showed enhanced cellular uptake, cytotoxicity and apoptosis induction effect on HCT116 colon cancer cells...
November 2017: Drug Delivery
https://www.readbyqxmd.com/read/28992682/nanocurcumin-mediated-down-regulation-of-telomerase-via-stimulating-tgf%C3%AE-1-signaling-pathway-in-hepatocellular-carcinoma-cells
#6
Molood Shariati, Samira Hajigholami, Ziba Veisi Malekshahi, Maliheh Entezari, Narges Bodaghabadi, Majid Sadeghizadeh
Background: Curcumin, extracted from turmeric, represents enormous potential to serve as an anticancer agent. Telomerase is viewed as a prominent molecular target of curcumin, and Transforming growth factor-β1 (TGFβ1) has proven to be a major inhibitory signaling pathway for telomerase activity. In the current study, we aimed to explore suppressive effects of nanocurcumin on telomerase expression through TGFβ1 pathway in a hepatocellular carcinoma cell line (Huh7). Methods: MTT assay was used to determine the effect of nonocurcumin on viability of Huh7 cells...
October 10, 2017: Iranian Biomedical Journal
https://www.readbyqxmd.com/read/28991167/achiral-mannich-base-curcumin-analogs-induce-unfolded-protein-response-and-mitochondrial-membrane-depolarization-in-panc-1-cells
#7
Gábor J Szebeni, Árpád Balázs, Ildikó Madarász, Gábor Pócz, Ferhan Ayaydin, Iván Kanizsai, Roberta Fajka-Boja, Róbert Alföldi, László Hackler, László G Puskás
Achiral Mannich-type curcumin analogs have been synthetized and assayed for their cytotoxic activity. The anti-proliferative and cytotoxic activity of curcuminoids has been tested on human non-small-cell lung carcinoma (A549), hepatocellular carcinoma (HepG2) and pancreatic cancer cell line (PANC-1). Based on the highest anti-proliferative activity nine drug candidates were further tested and proved to cause phosphatidylserine exposure as an early sign of apoptosis. Curcumin analogs with the highest apoptotic activity were selected for mechanistic studies in the most sensitive PANC-1 cells...
October 7, 2017: International Journal of Molecular Sciences
https://www.readbyqxmd.com/read/28989041/deciphering-molecular-mechanisms-of-arginine-deiminase-based-therapy-comparative-response-analysis-in-paired-human-primary-and-recurrent-glioblastomas
#8
Claudia Maletzki, Yvonne Rosche, Christin Matzack, Aline Scholz, Doreen William, Carl Friedrich Classen, Bernd Kreikemeyer, Michael Linnebacher, Tomas Fiedler
Arginine auxotrophy constitutes the Achilles' heel for several tumors, among them glioblastoma multiforme (GBM). Hence, arginine-depleting enzymes such as arginine deiminase (ADI) from Streptococcus pyogenes are promising for treatment of primary and maybe even refractory GBM. Based on our previous study in which ADI-susceptibility was shown on a panel of patient-derived GBM cell lines, we here aimed at deciphering underlying molecular mechanisms of ADI-mediated growth inhibition. We found that ADI (35 mU/mL) initially induces a cellular stress-response that is characterized by upregulation of genes primarily belonging to the heat-shock protein family...
October 5, 2017: Chemico-biological Interactions
https://www.readbyqxmd.com/read/28988970/effects-of-berberine-curcumin-resveratrol-alone-and-in-combination-with-chemotherapeutic-drugs-and-signal-transduction-inhibitors-on-cancer-cells-power-of-nutraceuticals
#9
James A McCubrey, Stephen L Abrams, Kvin Lertpiriyapong, Lucio Cocco, Stefano Ratti, Alberto M Martelli, Saverio Candido, Massimo Libra, Ramiro M Murata, Pedro L Rosalen, Paolo Lombardi, Giuseppe Montalto, Melchiorre Cervello, Agnieszka Gizak, Dariusz Rakus, Linda S Steelman
Over the past fifty years, society has become aware of the importance of a healthy diet in terms of human fitness and longevity. More recently, the concept of the beneficial effects of certain components of our diet and other compounds, that are consumed often by different cultures in various parts of the world, has become apparent. These "healthy" components of our diet are often referred to as nutraceuticals and they can prevent/suppress: aging, bacterial, fungal and viral infections, diabetes, inflammation, metabolic disorders and cardiovascular diseases and have other health-enhancing effects...
October 3, 2017: Advances in Biological Regulation
https://www.readbyqxmd.com/read/28981096/curcumin-reversed-chronic-tobacco-smoke-exposure-induced-urocystic-emt-and-acquisition-of-cancer-stem-cells-properties-via-wnt-%C3%AE-catenin
#10
Zhaofeng Liang, Ling Lu, Jiahui Mao, Xia Li, Hui Qian, Wenrong Xu
Tobacco smoke (TS) is the most important single risk factor for bladder cancer. Epithelial-mesenchymal transition (EMT) is a transdifferentiation process, involved in the initiation of TS-related cancer. Cancer stem cells (CSCs) have an essential role in the progression of many tumors including TS-related cancer. However, the molecular mechanisms of TS exposure induced urocystic EMT and acquisition of CSCs properties remains undefined. Wnt/β-catenin pathway is critical for EMT and the maintenance of CSCs. The aim of our present study was to investigate the role of Wnt/β-catenin pathway in chronic TS exposure induced urocystic EMT, stemness acquisition and the preventive effect of curcumin...
October 5, 2017: Cell Death & Disease
https://www.readbyqxmd.com/read/28980920/transcriptomic-analysis-of-human-non-small-lung-cancer-cells-a549-treated-by-one-synthetic-curcumin-derivative-mhmd
#11
G Zhou, G Sun, Y Zhou, Q Wang
In our previous studies, we have identified one curcumin analog MHMD could induce apoptosis of lung cancer cells A549 via extrinsic and intrinsic pathways in our previous studies. But the specific regulatory genes and molecular mechanisms remain poorly understood. Here, the transcriptomic profile of A549 cells was detected with RNA-seq technique after MHMD treatment at 48 h. A total of 16584651 clean data from 21831774 sequence reads were obtained and 80.75% of them could be mapped on the human test genome...
September 30, 2017: Cellular and Molecular Biology
https://www.readbyqxmd.com/read/28977833/unique-synergistic-formulation-of-curcumin-epicatechin-gallate-and-resveratrol-tricurin-suppresses-hpv-e6-eliminates-hpv-cancer-cells-and-inhibits-tumor-progression
#12
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...
September 22, 2017: Oncotarget
https://www.readbyqxmd.com/read/28974697/curcumin-encapsulated-zeolitic-imidazolate-frameworks-as-stimuli-responsive-drug-delivery-system-and-their-interaction-with-biomimetic-environment
#13
Ashish Tiwari, Ashutosh Singh, Neha Garg, Jaspreet K Randhawa
Metal organic frameworks (MOFs) exhibit unique features of finely tunable pore structures, excellent chemical stability and flexible surface structural functionality, making them advantageous for a wide range of applications including energy storage, compound separation, catalysis, and drug delivery. The present work enlightens a novel approach of single step fabrication of CCM-ZIF-8 as a drug carrier and its application as stimuli responsive drug delivery systems via external stimuli involving change in pH and in presence of biomimetic cell membrane like environment using liposomes and SDS micelles...
October 3, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28972748/curcumin-drug-stabilized-in-oxidovanadium-iv-bodipy-conjugates-for-mitochondria-targeted-photocytotoxicity
#14
Utso Bhattacharyya, Brijesh Kumar, Aditya Garai, Arnab Bhattacharyya, Arun Kumar, Samya Banerjee, Paturu Kondaiah, Akhil R Chakravarty
Ternary oxidovanadium(IV) complexes of curcumin (Hcur), dipicolylamine (dpa) base, and its derivatives having pendant noniodinated and di-iodinated boron-dipyrromethene (BODIPY) moiety (L1 and L2, respectively), namely, [VO(dpa)(cur)]ClO4 (1), [VO(L1)(cur)]ClO4 (2), and [VO(L2)(cur)]ClO4 (3) and their chloride salts (1a-3a) were prepared, characterized, and studied for anticancer activity. The chloride salts were used for biological studies due to their aqueous solubility. Complex 1 was structurally characterized by single-crystal X-ray crystallography...
October 3, 2017: Inorganic Chemistry
https://www.readbyqxmd.com/read/28967875/combination-curcumin-and-epigallocatechin-3-gallate-inhibits-colorectal-carcinoma-microenvironment-induced-angiogenesis-by-jak-stat3-il-8-pathway
#15
G Jin, Y Yang, K Liu, J Zhao, X Chen, H Liu, R Bai, X Li, Y Jiang, X Zhang, J Lu, Z Dong
Tumor microenvironment has a crucial role in cancer development and progression, whereas the mechanism of how it regulates angiogenesis is unclear. In this study, we simulated the colorectal carcinoma microenvironment by conditioned medium (CM) of colorectal carcinoma cell lines (SW620, HT-29, HCT116) supernatant or colorectal carcinoma tissue homogenate supernatant to induce normal endothelial cells (NECs). We found that colorectal carcinoma CM promoted tumor angiogenesis by coercing NECs toward tumor endothelial cells (TECs) with the activation of the JAK/STAT3 signaling pathway...
October 2, 2017: Oncogenesis
https://www.readbyqxmd.com/read/28965419/discovery-of-curcumin-inspired-sulfonamide-derivatives-as-a-new-class-of-carbonic-anhydrase-isoforms-i-ii-ix-and-xii-inhibitors
#16
P V Sri Ramya, Srinivas Angapelly, Andrea Angeli, Chander Singh Digwal, Mohammed Arifuddin, Bathini Nagendra Babu, Claudiu T Supuran, Ahmed Kamal
A series of curcumin inspired sulfonamide derivatives was prepared from various chalcones and 4-sulfamoyl benzaldehyde via Claisen-Schmidt condensation. All new compounds were assayed as inhibitors of four human isoforms of the metalloenzyme carbonic anhydrase (hCA, EC 4.2.1.1) isoforms hCA I, II, IX and XII. Interesting inhibitory activities were observed against all these isoforms. hCA I, an isoform involved in several eye diseases was inhibited moderately with KIs in the range of 191.8-904.2 nM, hCA II, an antiglaucoma drug target was highly inhibited by the new sulfonamides, with KIs in the range of 0...
December 2017: Journal of Enzyme Inhibition and Medicinal Chemistry
https://www.readbyqxmd.com/read/28963442/acrylamide-induces-hepg2-cell-proliferation-through-upregulation-of-mir-21-expression
#17
Yu-Yu Xu, Peng-Qi Wang, Chao-Qi Xu, Xiao-Yun Shan, Qing Feng
Acrylamide, a potential carcinogen, exists in carbohydrate-rich foods cooked at a high temperature. It has been reported that acrylamide can cause DNA damage and cytotoxicity. The present study aimed to investigate the potential mechanism of human hepatocarcinoma HepG2 cell proliferation induced by acrylamide and to explore the antagonistic effects of a natural polyphenol curcumin against acrylamide via miR-21. The results indicated that acrylamide (≤100 μmol/L) significantly increased HepG2 cell proliferation and miR-21 expression...
September 30, 2017: Journal of Biomedical Research
https://www.readbyqxmd.com/read/28959140/curcumin-reduces-mitomycin-c-resistance-in-breast-cancer-stem-cells-by-regulating-bcl-2-family-mediated-apoptosis
#18
Qian-Mei Zhou, Yang Sun, Yi-Yu Lu, Hui Zhang, Qi-Long Chen, Shi-Bing Su
BACKGROUND: Curcumin, a natural compound derived from the turmeric rhizome Curcuma longa Linn, has anticancer and chemoresistance reduction biological activities. We evaluated the efficacy of curcumin in sensitizing chemotherapy drugs through regulation of Bcl-2-mediated apoptosis in breast cancer stem-like cells (BCSCs). METHODS: Cell survival was measured using MTT assay. Apoptosis-related proteins were observed using western blot analysis. Apoptosis was detected with flow cytometric analysis and by Hoechst 33258 staining...
2017: Cancer Cell International
https://www.readbyqxmd.com/read/28956452/curcumin-a-calixarene-derivative-micelle-potentiates-anti-breast-cancer-stem-cells-effects-in-xenografted-triple-negative-breast-cancer-mouse-models
#19
Wei Chen, Lin Li, Xiaofen Zhang, Yuan Liang, Zhijun Pu, Lingfeng Wang, Jingxin Mo
Triple-negative breast cancer (TNBC) is a heterogeneous and clinically aggressive disease with no approved targeted therapy. Curcumin has shown therapeutic potential against TNBC, but it shows low bioavailability and low efficacy when administered as a free drug. Here we describe a novel vehicle for in vivo delivery of curcumin based on the phosphorylated calixarene POCA4C6. Curcumin-loaded POCA4C6 micelles (CPM) were prepared using the thin-film method and they showed a unilamellar structure with an average particle size of 3...
November 2017: Drug Delivery
https://www.readbyqxmd.com/read/28950690/inhibition-of-curcumin-on-zak%C3%AE-activity-resultant-in-apoptosis-and-anchorage-independent-growth-in-cancer-cells
#20
Jin-Sun Lee, Tsu-Shing Wang, Ming Cheng Lin, Wei-Wen Lin, Jaw-Ji Yang
Curcumin, a popular yellow pigment of the dietary spice turmeric, has been reported to inhibit cell growth and to induce apoptosis in a wide variety of cancer cells. Although numerous studies have investigated anticancer effects of curcumin, the precise molecular mechanism of action remains unidentified. Whereas curcumin mediates cell survival and apoptosis through mitogen-activated protein kinase (MAPK) and nuclear factor κB (NF-κB) signaling cascades, its impact on the upstream regulation of MAPK is unclear...
October 31, 2017: Chinese Journal of Physiology
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