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Ellagic acid cancer

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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
#1
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
#2
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...
August 21, 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
#3
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
#4
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
#5
Josiane Hilbig, Priscila de Britto Policarpi, Valdelúcia Maria Alves de Souza Grinevicius, Nádia Sandrine Ramos Santos Mota, Rozangela Curi Pedrosa, Jane Mara Block
ETHNOPHARMACOLOGICAL RELEVANCE: In Brazil, use of teas are common for the treatment of many health disorders. Shell extracts of pecan nut (Carya illinoinensis) are popularly taken as tea to prevent diverse pathologies due to their phytochemical composition presenting significant amounts of phenolic substances. 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 11, 2017: Journal of Ethnopharmacology
https://www.readbyqxmd.com/read/28778045/bleomycin-induced-pulmonary-toxicopathological-changes-in-rats-and-its-prevention-by-walnut-extract
#6
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...
August 1, 2017: Biomedicine & Pharmacotherapy, Biomédecine & Pharmacothérapie
https://www.readbyqxmd.com/read/28746889/molecular-recognition-between-potential-natural-inhibitors-of-the-keap1-nrf2-complex
#7
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...
July 23, 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
#8
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...
July 18, 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
#9
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
#10
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
#11
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
#12
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...
March 12, 2017: Advances in Medical Sciences
https://www.readbyqxmd.com/read/28476711/new-ellagic-acid-derivative-from-the-fruits-of-heat-tolerant-plant-conocarpus-lancifolius-engl-and-their-anti-inflammatory-cytotoxic-ppar-agonistic-activities
#13
Areej Mohammad Al-Taweel, Shagufta Perveen, Ghada Ahmed Fawzy, Rashad Mehmood, Afsar Khan, Shabana Iqrar Khan
Conocarpus lancifolius (Combretaceae), is distributed in Riyadh, Saudi Arabia. It is a heat-tolerant Saudi medicinal plant, demonstrates prominent antidiabetic potential and the fruit extract fruits showed cytotoxicity against MRC-5 cancer cell line, as well as prominent antiprotozoal and antibacterial activities. The objective of this study is to isolate the compounds and evaluate the anti-inflammatory, cytotoxic, PPAR agonistic and antioxidant activities of extracts and pure constituents from C. lancifolius...
September 2016: Pakistan Journal of Pharmaceutical Sciences
https://www.readbyqxmd.com/read/28467979/negative-effect-of-ellagic-acid-on-cytosolic-ph-regulation-and-glycolytic-flux-in-human-endometrial-cancer-cells
#14
Khalid N M Abdelazeem, Yogesh Singh, Florian Lang, Madhuri S Salker
BACKGROUND/AIMS: Key properties of tumor cells include enhanced glycolytic flux with excessive consumption of glucose and formation of lactate. As glycolysis is highly sensitive to cytosolic pH, maintenance of glycolysis requires export of H+ ions, which is in part accomplished by Na+/H+ exchangers, such as NHE1. The carrier is sensitive to oxidative stress. Growth of tumor cells could be suppressed by the polyphenol Ellagic acid, which is found in various fruits and vegetables. An effect of Ellagic acid on transport processes has, however, never been reported...
2017: Cellular Physiology and Biochemistry
https://www.readbyqxmd.com/read/28462130/water-extract-of-galla-rhois-with-steaming-process-enhances-apoptotic-cell-death-in-human-colon-cancer-cells
#15
Nam-Hui Yim, Min Jung Gu, Youn-Hwan Hwang, Won-Kyung Cho, Jin Yeul Ma
BACKGROUND: Galla Rhois has been considered to have medicinal properties against diarrhea, excessive sweating, bleeding, and chronic cough in Asian countries. Gallotannins, which are Galla Rhois-derived tannins, have been reported to possess biological and pharmacological activities, especially anticancer activity. In this study, we evaluated the effect of steaming at a temperature over 120 °C on the chemical constituents and biological activities of the water extract of Galla Rhois (GRE)...
December 2016: Integrative medicine research
https://www.readbyqxmd.com/read/28329437/phenolic-fractions-from-muscadine-grape-noble-pomace-can-inhibit-breast-cancer-cell-mda-mb-231-better-than-those-from-european-grape-cabernet-sauvignon-and-induce-s-phase-arrest-and-apoptosis
#16
Jianming Luo, Zheng Wei, Shengyu Zhang, Xichun Peng, Yu Huang, Yali Zhang, Jiang Lu
Tons of grape pomace which still contained a rich amount of plant polyphenols, is discarded after winemaking. Plant polyphenols have multi-functional activities for human body. In this study, polyphenols of pomaces from Muscadinia rotundifolia "Noble" and Vitis vinifera "Cabernet Sauvignon" were extracted and fractionated, and then they were analyzed with LC-MS and the inhibitory effects on breast cancer cells were compared. The inhibition on MDA-MB-231 cells of fractions from "Noble" was further evaluated...
May 2017: Journal of Food Science
https://www.readbyqxmd.com/read/28207992/inhibitory-activities-of-butanol-fraction-from-butea-monosperma-lam-taub-bark-against-free-radicals-genotoxins-and-cancer-cells
#17
Varinder Kaur, Manish Kumar, Paramjeet Kaur, Sandeep Kaur, Satwinderjeet Kaur
The present study was undertaken to investigate antioxidant, antigenotoxic, and antiproliferative activity of butanol fraction (Bmbu) from bark of medicinal plant Butea monosperma. Antioxidant potency of Bmbu was examined by various in vitro assays. It was also investigated for antigenotoxic activity using Escherichia coli. PQ37 employing SOS chromotest. Further, cytotoxic and apoptosis inducing activity of Bmbu was evaluated in MCF-7 breast cancer cells. Bmbu showed potent free radical scavenging ability in ABTS assay (IC50 56...
June 2017: Chemistry & Biodiversity
https://www.readbyqxmd.com/read/28183047/gene-expression-changes-in-colon-tissues-from-colorectal-cancer-patients-following-the-intake-of-an-ellagitannin-containing-pomegranate-extract-a-randomized-clinical-trial
#18
María A Nuñez-Sánchez, Antonio González-Sarrías, Rocío García-Villalba, Tamara Monedero-Saiz, Noelia V García-Talavera, María B Gómez-Sánchez, Carmen Sánchez-Álvarez, Ana M García-Albert, Francisco J Rodríguez-Gil, Miguel Ruiz-Marín, Francisco A Pastor-Quirante, Francisco Martínez-Díaz, Francisco A Tomás-Barberán, Juan Carlos Espín, María-Teresa García-Conesa
The clinical evidence of dietary polyphenols as colorectal cancer (CRC) chemopreventive compounds is very weak. Verification in humans of tissue-specific molecular regulation by the intake of polyphenols requires complex clinical trials that allow for the procurement of sufficient pre- and postsupplementation tissue samples. Ellagitannins (ETs), ellagic acid (EA) and their gut microbiota-derived metabolites, the urolithins, modify gene expression in colon normal and cancer cultured cells. We conducted here the first clinical trial with 35 CRC patients daily supplemented with 900 mg of an ET-containing pomegranate extract (PE) and evaluated the expression of various CRC-related genes in normal and cancerous colon tissues before (biopsies) and after (surgical specimens) 5-35 days of supplementation...
January 27, 2017: Journal of Nutritional Biochemistry
https://www.readbyqxmd.com/read/28169238/evaluating-the-effects-of-ellagic-acid-on-pstat3-pakt-and-perk1-2-signaling-pathways-in-prostate-cancer-pc3-cells
#19
Elaheh Eskandari, Esfandiar Heidarian, Sayed Asadollah Amini, Javad Saffari-Chaleshtori
OBJECTIVE: One of the most common malignancies among men is prostate cancer. Ellagic acid (EA), a polyphenol antioxidant, has many pharmacological actions, especially anticancer effects. The purpose of this study was to evaluate the effect of EA treatment on interleukin-6 (IL-6) gene expression, cell viability, IL-6 secretion, phosphorylated STAT3, ERK, and AKT cellular signaling proteins in human prostate cancer cells (PC3). MATERIALS AND METHODS: The cytotoxic effects of the EA (0-100 µM) on PC3 cells were determined by 3-(4, 5-dimethylthiazol-2-yl)-2, 5-diphenyltetrazolium bromide assay...
October 2016: Journal of Cancer Research and Therapeutics
https://www.readbyqxmd.com/read/28135203/ellagic-acid-inhibits-the-proliferation-of-human-pancreatic-carcinoma-panc-1-cells-in-vitro-and-in-vivo
#20
Hao Cheng, Chenglin Lu, Ribo Tang, Yiming Pan, Shanhua Bao, Yudong Qiu, Min Xie
Ellagic aicd (EA), a dietary polyphenolic compound found in plants and fruits, possesses various pharmacological activities. This study investigated the effect of EA on human pancreatic carcinoma PANC-1 cells both in vitro and in vivo; and defined the associated molecular mechanisms. In vitro, the cell growth and repairing ability were assessed by CCK-8 assay and wound healing assay. The cell migration and invasion activity was evaluated by Tanswell assay. In vivo, PANC-1 cell tumor-bearing mice were treated with different concentrations of EA...
February 14, 2017: Oncotarget
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