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Ellagic acid cancer

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https://www.readbyqxmd.com/read/29141541/ellagic-acid-a-logical-lead-for-drug-development
#1
Abolfazl Shakeri, Mohammad Reza Zirak, Amirhossein Sahebkar
BACKGROUND: Naturally occurring polyphenols are the subject of increasing attention due to their potent antioxidant activity and their marked effects on the prevention of various oxidative stress-associated diseases such as cancer. Ellagic acid (EA) is an herbal polyphenol that is structurally a condensed dimer of gallic acid. METHODS: This review aims to provide a comprehensive and updated overview on the biological activities of EA and potential therapeutic applications...
November 14, 2017: Current Pharmaceutical Design
https://www.readbyqxmd.com/read/29109723/inhibition-of-pro-inflammatory-and-anti-apoptotic-biomarkers-during-experimental-oral-cancer-chemoprevention-by-dietary-black-raspberries
#2
Steve Oghumu, Bruce C Casto, Jennifer Ahn-Jarvis, Logan C Weghorst, Jim Maloney, Paul Geuy, Kyle Z Horvath, Claire E Bollinger, Blake M Warner, Kurt F Summersgill, Christopher M Weghorst, Thomas J Knobloch
Oral cancer continues to be a significant public health problem worldwide. Recently conducted clinical trials demonstrate the ability of black raspberries (BRBs) to modulate biomarkers of molecular efficacy that supports a chemopreventive strategy against oral cancer. However, it is essential that a preclinical animal model of black raspberry (BRB) chemoprevention which recapitulates human oral carcinogenesis be developed, so that we can validate biomarkers and evaluate potential mechanisms of action. We therefore established the ability of BRBs to inhibit oral lesion formation in a carcinogen-induced rat oral cancer model and examined potential mechanisms...
2017: Frontiers in Immunology
https://www.readbyqxmd.com/read/29103827/hybrid-drug-combination-anti-diabetic-treatment-of-type-2-diabetic-wistar-rats-with-combination-of-ellagic-acid-and-pioglitazone
#3
Rakesh P Nankar, Mukesh Doble
BACKGROUND: Pioglitazone is an effective drug for the treatment of type 2 diabetes. The drug was suspended from Indian market in June 2013 due to the risk of bladder cancer but was reintroduced in July 2013 because its benefits outweighed the risks. The risks associated with pioglitazone can be minimized if its dose is reduced. HYPOTHESIS: Ellagic acid, a polyphenolic antioxidant, is reported to reduce blood sugar in diabetic rats. The mechanism of anti-diabetic action of ellagic acid is not known...
October 24, 2017: Phytomedicine: International Journal of Phytotherapy and Phytopharmacology
https://www.readbyqxmd.com/read/29070894/radiosensitizing-effect-of-ellagic-acid-on-growth-of-hepatocellular-carcinoma-cells-an-in-vitro-study
#4
Ujjal Das, Sushobhan Biswas, Sreya Chattopadhyay, Anindita Chakraborty, Rakhi Dey Sharma, Asoke Banerji, Sanjit Dey
Failure of treatment for cancer in clinic by radio/chemotherapy is generally attributed to tumour resistance. Therefore, it is important to develop strategies to increase the cytotoxicity of tumour cells by radiation in combination with unique tumour selective cytotoxic agents. We evaluated the potential of ellagic acid (EA) as an enhancer of oxidative stress in cancer cells. HepG2 cells were treated with EA (10 µM) for 12 h prior to exposure of single 7.5 Gy dose of irradiation. Treatment of HepG2 cells with EA and gamma radiation showed increased reactive oxygen species generation, up regulation of p53 protein expression, decreased survival markers level like p-Akt, p-NF-kB and p-STAT3 which were significantly higher after radiation treatment alone...
October 25, 2017: Scientific Reports
https://www.readbyqxmd.com/read/29066891/enhanced-anticancer-activity-and-oral-bioavailability-of-ellagic-acid-through-encapsulation-in-biodegradable-polymeric-nanoparticles
#5
Fatma M Mady, Mohamed A Shaker
Despite the fact that various studies have investigated the clinical relevance of ellagic acid (EA) as a naturally existing bioactive substance in cancer therapy, little has been reported regarding the efficient strategy for improving its oral bioavailability. In this study, we report the formulation of EA-loaded nanoparticles (EA-NPs) to find a way to enhance its bioactivity as well as bioavailability after oral administration. Poly(ε-caprolactone) (PCL) was selected as the biodegradable polymer for the formulation of EA-NPs through the emulsion-diffusion-evaporation technique...
2017: International Journal of Nanomedicine
https://www.readbyqxmd.com/read/28992990/one-step-targeted-accumulation-and-detection-of-camptothecin-analogues-from-fruits-of-camptotheca-acuminata-decne-using-bilayer-solid-phase-extraction-coupled-with-ultra-high-performance-liquid-chromatography-tandem-mass-spectrometry
#6
Menghan Chen, Yi Li, Deran Xu, Jun Luo, Lingyi Kong
Camptothecins, a kind of monoterpene-quinoline alkaloids from Camptotheca acuminata Decne, have long attracted much attention worldwide as an anti-cancer drug. However, there is still a lack of effective methods for the accumulation and discovery of camptothecin analogues from botanic resources for camptothecin-based drug research. This work develops a one-step method for the targeted accumulation, quick detection, and identification of camptothecin analogues from C. acuminata fruit using bilayer solid-phase extraction coupled with ultra-high-performance liquid chromatography-tandem mass spectrometry (bilayer-SPE-UHPLC-Q-TOF-MS/MS)...
October 3, 2017: Journal of Chromatography. A
https://www.readbyqxmd.com/read/28979765/micrornas-in-the-development-and-neoplasia-of-the-mammary-gland
#7
REVIEW
Manoj Kumar Jena
Study on the role of microRNAs (miRs) as regulators of gene expression through posttranscriptional gene silencing is currently gaining much interest,due to their wide involvement in different physiological processes. Understanding mammary gland development, lactation, and neoplasia in relation to miRs is essential. miR expression profiling of the mammary gland from different species in various developmental stages shows their role as critical regulators of development. miRs such as miR-126, miR-150, and miR-145 have been shown to be involved in lipid metabolism during lactation...
2017: F1000Research
https://www.readbyqxmd.com/read/28932378/benefits-of-ellagic-acid-from-grapes-and-pomegranates-against-colorectal-cancer
#8
Sayedalireza Mirsane, Sayedmojtaba Mirsane
No abstract text is available yet for this article.
2017: Caspian Journal of Internal Medicine
https://www.readbyqxmd.com/read/28855870/leaf-and-root-extracts-from-campomanesia-adamantium-myrtaceae-promote-apoptotic-death-of-leukemic-cells-via-activation-of-intracellular-calcium-and-caspase-3
#9
Jaqueline F Campos, Priscilla P de Toledo Espindola, Heron F V Torquato, Wagner D Vital, Giselle Z Justo, Denise B Silva, Carlos A Carollo, Kely de Picoli Souza, Edgar J Paredes-Gamero, Edson L Dos Santos
Phytochemical studies are seeking new alternatives to prevent or treat cancer, including different types of leukemias. Campomanesia adamantium, commonly known as guavira or guabiroba, exhibits pharmacological properties including antioxidant, antimicrobial, and antiproliferative activities. Considering the anticancer potential of this plant species, the aim of this study was to evaluate the antileukemic activity and the chemical composition of aqueous extracts from the leaves (AECL) and roots (AECR) of C. adamantium and their possible mechanisms of action...
2017: Frontiers in Pharmacology
https://www.readbyqxmd.com/read/28841784/regulation-of-microrna-using-promising-dietary-phytochemicals-possible-preventive-and-treatment-option-of-malignant-mesothelioma
#10
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/28838842/ellagic-acid-antagonizes-bnip3-mediated-mitochondrial-injury-and-necrotic-cell-death-of-cardiac-myocytes
#11
Abhinav Dhingra, Rahul Jayas, Pegah Afshar, Matthew Guberman, Graham Maddaford, Johnathan Gerstein, Brooke Lieberman, Hilary Nepon, Victoria Margulets, Rimpy Dhingra, Lorrie A Kirshenbaum
The Bcl-2 protein Bnip3 is crucial for provoking oxidative injury to mitochondria following anthracycline treatment or ischemia-reperfusion injury. Herein, we investigate the effects of the polyphenolic compound ellagic acid (EA) on Bnip3 mediated mitochondrial injury and necrotic cell death in cardiac myocytes. In contrast to vehicle treated cardiomyocytes, Bnip3 was highly enriched in mitochondrial fractions of cardiac myocytes treated with the anthracycline doxorubicin or in cells subjected to hypoxia (HPX)...
August 25, 2017: Free Radical Biology & Medicine
https://www.readbyqxmd.com/read/28808404/in-vitro-antioxidant-and-antiproliferative-activities-of-various-solvent-fractions-from-clerodendrum-viscosum-leaves
#12
Anil Khushalrao Shendge, Tapasree Basu, Dipankar Chaudhuri, Sourav Panja, Nripendranath Mandal
BACKGROUND: Free radicals such as reactive oxygen and nitrogen species, generated in the body, play an important role in the fulfillment of various physiological functions but their imbalance in the body lead to cellular injury and various clinical disorders such as cancer, neurodegenaration, and inflammation. OBJECTIVE: The objective of this study is to fight this problem, natural antioxidant from plants can be considered as possible protective agents against various diseases such as cancer which might also modify the redox microenvironment to reduce the genetic instability...
July 2017: Pharmacognosy Magazine
https://www.readbyqxmd.com/read/28807853/aqueous-extract-from-pecan-nut-carya-illinoinensis-wangenh-c-koch-shell-show-activity-against-breast-cancer-cell-line-mcf-7-and-ehrlich-ascites-tumor-in-balb-c-mice
#13
Josiane Hilbig, Priscila de Britto Policarpi, Valdelúcia Maria Alves de Souza Grinevicius, Nádia Sandrine Ramos Santos Mota, Isabela Maia Toaldo, Marilde Terezinha Bordignon Luiz, Rozangela Curi Pedrosa, Jane Mara Block
ETHNOPHARMACOLOGICAL RELEVANCE: In Brazil many health disorders are treated with the consumption of different varieties of tea. Shell extracts of pecan nut (Carya illinoinensis), which have significant amounts of phenolic compounds in their composition, are popularly taken as tea to prevent diverse pathologies. AIM OF THE STUDY: Phenolic compounds from pecan nut shell extract have been associated with diverse biological effects but the effect on tumor cells has not been reported yet...
August 12, 2017: Journal of Ethnopharmacology
https://www.readbyqxmd.com/read/28778045/bleomycin-induced-pulmonary-toxicopathological-changes-in-rats-and-its-prevention-by-walnut-extract
#14
Saba Beigh, Hina Rashid, Shikha Sharma, Suhel Parvez, Sheikh Raisuddin
Oxidative stress-related inflammation and apoptosis are important pathogenic consequences, which result in acute pulmonary toxicity. Bleomycin (BLM) is used to treat various forms of cancers. However, its prolonged administration is associated with major toxicity to respiratory system. We studied the effect of walnut (Juglans regia) extract in a rat model of BLM-induced pulmonary toxicopathy. We also studied parameters of inflammation, apoptosis and oxidative stress in various groups of animals. Prophylactic treatment of total methanolic extract of walnut at the dose of 150mg/kg b...
October 2017: Biomedicine & Pharmacotherapy, Biomédecine & Pharmacothérapie
https://www.readbyqxmd.com/read/28746889/molecular-recognition-between-potential-natural-inhibitors-of-the-keap1-nrf2-complex
#15
Martiniano Bello, José Antonio Morales-González
Disrupting the Keap1-Nrf2 pathway enhances Nrf2 activity, which has been identified as an important approach for the prevention of different chronic diseases in which oxidative stress and inflammation are present, such as cancer, diabetes, Alzheimer's and Parkinson's. Based on the high potential to modulate antioxidant, anti-inflammatory and anticancer properties that the discovery of Keap1-Nrf2 protein-protein interaction inhibitors would represent, the utilization of some natural compounds has emerged as a promising strategy to identify new drugs...
December 2017: International Journal of Biological Macromolecules
https://www.readbyqxmd.com/read/28718725/ellagic-acid-enhances-apoptotic-sensitivity-of-breast-cancer-cells-to-%C3%AE-radiation
#16
Vidhula Ahire, Amit Kumar, Kaushala Prasad Mishra, Gauri Kulkarni
Herbal polyphenols have gained increased significance because of the promises they hold in the prevention and treatment of cancer. There exists an enormous opportunity for the screening and valuation of natural dietary compounds in the development of an effective chemopreventive drug and radiosensitizer that may be of practical use for patients undergoing cancer therapy. This study describes the effect of the flavonoid ellagic acid (EA) on gamma-irradiated human breast cancer MCF-7 cells in vitro when administered alone or in combination with radiation...
August 2017: Nutrition and Cancer
https://www.readbyqxmd.com/read/28696100/thermosensitive-liposomal-codelivery-of-hsa-paclitaxel-and-hsa-ellagic-acid-complexes-for-enhanced-drug-perfusion-and-efficacy-against-pancreatic-cancer
#17
Yan Wei, Yuxi Wang, Dengning Xia, Shiyan Guo, Feng Wang, Xinxin Zhang, Yong Gan
Fibrotic stroma and tumor-promoting pancreatic stellate cells (PSCs), critical characters in the pancreatic ductal adenocarcinoma (PDA) microenvironment, promote a tumor-facilitating environment that simultaneously prevents drug penetration into tumor foci and stimulates tumor growth. Nab-PTX, a human serum albumin (HSA) nanoparticle of paclitaxel (PTX), indicates enhanced matrix penetration in PDA probably due to its small size in vivo and high affinity of HSA with secreted protein acidic and rich in cysteine (SPARC), overexpressed in the PDA stroma...
July 24, 2017: ACS Applied Materials & Interfaces
https://www.readbyqxmd.com/read/28631098/urolithins-impair-cell-proliferation-arrest-the-cell-cycle-and-induce-apoptosis-in-umuc3-bladder-cancer-cells
#18
Joana Liberal, Anália Carmo, Célia Gomes, Maria Teresa Cruz, Maria Teresa Batista
Ellagitannins have been gaining attention as potential anticancer molecules. However, the low bioavailability of ellagitannins and their extensive metabolization in the gastrointestinal tract into ellagic acid and urolithins suggest that the health benefits of consuming ellagitannins rely on the direct effects of their metabolites. Recently, chemopreventive and chemotherapeutic activities were ascribed to urolithins. Nonetheless, there is still a need to screen and evaluate the selectivity of these molecules and to elucidate their cellular mechanisms of action...
June 20, 2017: Investigational New Drugs
https://www.readbyqxmd.com/read/28557449/antimalarial-activities-of-alkyl-cyclohexenone-derivatives-isolated-from-the-leaves-of-poupartia-borbonica
#19
Allison Ledoux, Alexis St-Gelais, Ewa Cieckiewicz, Olivia Jansen, Annélise Bordignon, Bertrand Illien, Nicolas Di Giovanni, Arnaud Marvilliers, Floriane Hoareau, Hélène Pendeville, Joëlle Quetin-Leclercq, Michel Frédérich
Bioactivity-guided fractionation of the ethyl acetate extract of the leaves of Poupartia borbonica led to the isolation of three new alkyl cyclohexenone derivatives 1-3, and named Poupartone A-C. The structures of the new compounds were elucidated by 1D and 2D NMR spectroscopic data analysis and MS, whereas calculated and experimental ECD spectra were used to define the absolute configurations. These compounds were active against 3D7 and W2 Plasmodium falciparum strains with IC50 values between 0.55 and 1.81 μM...
June 23, 2017: Journal of Natural Products
https://www.readbyqxmd.com/read/28521254/cs-peg-decorated-plga-nano-prototype-for-delivery-of-bioactive-compounds-a-novel-approach-for-induction-of-apoptosis-in-hepg2-cell-line
#20
Ahmed A Abd-Rabou, Hanaa H Ahmed
PURPOSE: Polymer-based nanoparticles are used as vectors for cancer drug delivery. The bioactive compounds (quercetin, ellagic acid and gallic acid) are well known to be not only antioxidants but also chemopreventive candidates against various types of cancers. To circumvent the low bioavailability and the short half-life time obstacles, we hypothesized a novel PLGA nano-platform functionalized with CS and PEG to encapsulate these phytochemicals. This encapsulation will protect the compounds from the phagocytic uptake and deliver PLGA-CS-PEG nano-prototype with high biodegradability and biosafety...
September 2017: Advances in Medical Sciences
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