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Plant extract and cancer

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https://www.readbyqxmd.com/read/27919735/quercetin-attenuates-high-fructose-feeding-induced-atherosclerosis-by-suppressing-inflammation-and-apoptosis-via-ros-regulated-pi3k-akt-signaling-pathway
#1
Xue-Li Lu, Cui-Hua Zhao, Xin-Liang Yao, Han Zhang
Quercetin is a dietary flavonoid compound extracted from various plants, such as apple and onions. Previous studies have revealed its anti-inflammatory, anti-cancer, antioxidant and anti-apoptotic activities. This study investigated the ability of quercetin to inhibit high fructose feeding- or LPS-induced atherosclerosis through regulating oxidative stress, apoptosis and inflammation response in vivo and in vitro experiments. 50 and 100mg/kg quercetin were used in our study, showing significant inhibitory role in high fructose-induced atherosclerosis via reducing reactive oxygen species (ROS) levels, Caspase-3 activation, inflammatory cytokines releasing, the number of terminal deoxynucleotidyl transferase-mediated dUTP nick end-labeling (TUNEL)-positive cells and collagen contents as well as modulating apoptosis- and inflammation-related proteins expression...
December 2, 2016: Biomedicine & Pharmacotherapy, Biomédecine & Pharmacothérapie
https://www.readbyqxmd.com/read/27918471/polyphenols-and-dna-damage-a-mixed-blessing
#2
REVIEW
Amaya Azqueta, Andrew Collins
Polyphenols are a very broad group of chemicals, widely distributed in plant foods, and endowed with antioxidant activity by virtue of their numerous phenol groups. They are widely studied as putative cancer-protective agents, potentially contributing to the cancer preventive properties of fruits and vegetables. We review recent publications relating to human trials, animal experiments and cell culture, grouping them according to whether polyphenols are investigated in whole foods and drinks, in plant extracts, or as individual compounds...
December 3, 2016: Nutrients
https://www.readbyqxmd.com/read/27912872/anti-allergic-potential-of-typhonium-blumei-inhibition-of-degranulation-via-suppression-of-pi3k-plc%C3%AE-2-phosphorylation-and-calcium-influx
#3
Michal Korinek, Kuan-Ming Chen, Yu-Han Jiang, Mohamed El-Shazly, Joel Stocker, Chon-Kit Chou, Tsong-Long Hwang, Yang-Chang Wu, Bing-Hung Chen, Fang-Rong Chang
BACKGROUND: Typhonium blumei Nicolson & Sivadasan (Araceae) is a traditional Chinese medicinal herb possessing detumescent, detoxifying, and anti-inflammatory activities. It is used in Taiwan as a folk medicine to treat cancer and inflammatory diseases. Typhonium blumei is usually not distinguished from Typhonium roxburghii Schott and they are commonly used interchangeably. PURPOSE: To evaluate and compare the anti-allergic and anti-inflammatory properties of T...
December 15, 2016: Phytomedicine: International Journal of Phytotherapy and Phytopharmacology
https://www.readbyqxmd.com/read/27906147/biogenic-synthesis-of-silver-nanoparticles-from-cassia-fistula-linn-in-vitro-assessment-of-their-antioxidant-antimicrobial-and-cytotoxic-activities
#4
Yugal Kishore Mohanta, Sujogya Kumar Panda, Kunal Biswas, Abiral Tamang, Jaya Bandyopadhyay, Debashis De, Dambarudhar Mohanta, Akshaya Kumar Bastia
The present study reports on biogenic-synthesised silver nanoparticles (AgNPs) derived by treating Ag ions with an extract of Cassia fistula leaf, a popular Indian medicinal plant found in natural habitation. The progress of biogenic synthesis was monitored time to time using a ultraviolet-visible spectroscopy. The effect of phytochemicals present in C. fistula including flavonoids, tannins, phenolic compounds and alkaloids on the homogeneous growth of AgNPs was investigated by Fourier-transform infrared spectroscopy...
December 2016: IET Nanobiotechnology
https://www.readbyqxmd.com/read/27903278/an-overview-on-the-role-of-dietary-phenolics-for-the-treatment-of-cancers
#5
REVIEW
Preethi G Anantharaju, Prathima C Gowda, Manjunatha G Vimalambike, SubbaRao V Madhunapantula
Plant derived phenolic compounds have been shown to inhibit the initiation and progression of cancers by modulating genes regulating key processes such as: (a) oncogenic transformation of normal cells; (b) growth and development of tumors; and (c) angiogenesis and metastasis. Recent studies focusing on identifying the molecular basis of plant phenolics-induced cancer cell death have demonstrated down-regulation of: (a) oncogenic survival kinases such as PI3K and Akt; (b) cell proliferation regulators that include Erk1/2, D-type Cyclins, and Cyclin Dependent Kinases (CDKs); (c) transcription factors such as NF-kβ, NRF2 and STATs; (d) histone deacetylases HDAC1 and HDAC2; and (e) angiogenic factors VEGF, FGFR1 and MIC-1...
December 1, 2016: Nutrition Journal
https://www.readbyqxmd.com/read/27899116/the-correlation-between-antimutagenic-activity-and-total-phenolic-content-of-extracts-of-31-plant-species-with-high-antioxidant-activity
#6
Tshepiso Jan Makhafola, Esameldin Elzein Elgorashi, Lyndy Joy McGaw, Luc Verschaeve, Jacobus Nicolaas Eloff
BACKGROUND: Antimutagenic activity of plant extracts is important in the discovery of new, effective cancer preventing agents. There is increasing evidence that cancer and other mutation-related diseases can be prevented by intake of DNA protective agents. The identification of antimutagenic agents present in plants presents an effective strategy to inhibit pathogenic processes resulting from exposure to mutagenic and/or carcinogenic substances present in the environment. There are no reports on the antimutagenic activities of the plant species investigated in this study...
November 29, 2016: BMC Complementary and Alternative Medicine
https://www.readbyqxmd.com/read/27896557/cytotoxic-and-apoptotic-activities-of-extract-of-amaranthus-spinosus-l-in-allium-cepa-and-human-erythrocytes
#7
V Prajitha, J E Thoppil
The present study examined the apoptosis inducing effects of Amaranthus spinosus L. aqueous extract in Allium cepa root meristematic cells and human erythrocytes. Cytogenetic assay revealed many apoptosis inducing cytogenetic aberrations viz., cytoplasmic breakage, cytoplasmic disintegration, cytoplasmic shrinkage, receding of cytoplasm, cytoplasmic vacuolation, enucleated cell, ghost cell, nuclear vacuolation, nuclear fragmentation and nuclear disintegration. A remarkable modification of red blood cell surface morphology was observed in the result of RBC assay...
November 28, 2016: Cytotechnology
https://www.readbyqxmd.com/read/27892675/purification-of-cucurbitacins-d-e-and-i-from-ecballium-elaterium-l-a-rich-fruits-and-study-of-their-cytotoxic-effects-on-the-ags-cell-line
#8
Naser Jafargholizadeh, Seyed Jalal Zargar, Narguess Yassa, Saeed Tavakoli
Background: The plant Ecballium elaterium (L.) A. Rich, belongs to the Cucurbitaceae family which occupies an important position in traditional medicine prescriptions. It has been reported that a freeze-dried aqueous extract of E. elaterium fruits has cytotoxic effects on the AGS human stomach adenocarcinoma cell line. We here focused on anticancer effects of the main chemicals purified from E. elaterium fruits. Materials and Methods: We isolated cucurbitacins D, E, and I from chloroform, and ethyl acetate fractions of a methanolic extract of E...
January 10, 2016: Asian Pacific Journal of Cancer Prevention: APJCP
https://www.readbyqxmd.com/read/27890637/antiplasmodial-activity-of-heinsia-crinita-rubiaceae-and-identification-of-new-iridoids
#9
P Tshisekedi Tshibangu, P Mutwale Kapepula, M J Kabongo Kapinga, A Tujibikila Mukuta, Dibungi T Kalenda, Alembert T Tchinda, Ange A Mouithys-Mickalad, O Jansen, E Cieckiewicz, M Tits, L Angenot, M Frédérich
ETHNOPHARMACOLOGICAL RELEVANCE: Heinsia crinita is used in traditional medicine for the treatment of febrile illness and erectile dysfunction. Its stem bark powder is found in some peripheral markets in the Democratic Republic of the Congo (DRC) as a remedy against malaria. Investigations were conducted on crude extracts of leaves, fruits and stem barks in view to validate their use and to determine which plant part possesses the best antiplasmodial properties. MATERIALS AND METHODS: Different plant parts were extracted with methanol, ethanol and dichloromethane...
November 24, 2016: Journal of Ethnopharmacology
https://www.readbyqxmd.com/read/27889244/medicinal-uses-chemistry-and-pharmacology-of-dillenia-species-dilleniaceae
#10
REVIEW
Carla W Sabandar, Juriyati Jalil, Norizan Ahmat, Nor-Ashila Aladdin
The genus Dillenia is comprised of about 100 species of evergreen and deciduous trees or shrubs of disjunct distribution in the seasonal tropics of Madagascar through South and South East Asia, Malaysia, North Australia, and Fiji. Species from this genus have been widely used in medicinal folklore to treat cancers, wounds, jaundice, fever, cough, diabetes mellitus, and diarrhea as well as hair tonics. The plants of the genus also produce edible fruits and are cultivated as ornamental plants. Flavonoids, triterpenoids, and miscellaneous compounds have been identified in the genus...
November 23, 2016: Phytochemistry
https://www.readbyqxmd.com/read/27884427/sample-injection-strategy-to-increase-throughput-in-counter-current-chromatography-case-study-of-honokiol-purification
#11
Aihua Peng, Peter Hewitson, Haoyu Ye, Liansuo Zu, Ian Garrard, Ian Sutherland, Lijuan Chen, Svetlana Ignatova
Counter-current chromatography (CCC) has been widely used as a preparative separation method to purify natural products from plant extracts and fermentation broths. Traditionally, throughput optimization in CCC has focused on sample concentration and sample volume. In this paper sample injection was considered as consisting of three variables: injection flow rate, post-injection flow rate and sample solvent. The effects of these parameters were studied using a honokiol purification from a Magnolia officinalis bark extract as a case study aiming to achieve the highest throughput/yield ratio for greater than 99% purity of this potential anti-cancer drug obtained for submission to the Chinese FDA...
December 9, 2016: Journal of Chromatography. A
https://www.readbyqxmd.com/read/27882153/petroleum-ether-extract-of-chenopodium-album-l-prevents-cell-growth-and-induces-apoptosis-of-human-lung-cancer-cells
#12
Ting Zhao, Hui Pan, Yang Feng, Haizhou Li, Yang Zhao
Chenopodium album L. is a common edible herb distributed in China that has been used as a traditional Chinese medicine for antiviral, antifungal, anti-inflammatory and cancer treatment. However, to the best of our knowledge no previous reports have investigated its the function of its phytochemical extracts in lung cancer cells. The purpose of the present study was to assess the anticancer activities of the phytochemical extracts of C. album L. on human non-small cell lung cancer A549 cells. The present findings demonstrated that the petroleum ether (PE) extract of C...
November 2016: Experimental and Therapeutic Medicine
https://www.readbyqxmd.com/read/27880063/interactions-between-phytochemicals-from-fruits-and-vegetables-effects-on-bioactivities-and-bioavailability
#13
Minh Anh Thu Phan, Janet Paterson, Martin Bucknall, Jayashree Arcot
The combinations of two or more phytochemicals bring about changes in the ultimate biological effects and/or the bioavailability of each component. A number of mixtures of pure bioactive compounds or phytochemical-containing plant extracts provide synergy with regard to antioxidant status, anti-inflammation, anti-cancer and chemoprevention of several oxidative stress and metabolic disorders in vitro. The biological activities of food phytochemicals depend upon their bioaccessibility and bioavailability which can be affected by the presence of other food components including other bioactive constituents...
November 23, 2016: Critical Reviews in Food Science and Nutrition
https://www.readbyqxmd.com/read/27880045/koelreuteria-formosana-extract-induces-growth-inhibition-and-cell-death-in-human-colon-carcinoma-cells-via-g2-m-arrest-and-lc3-ii-activation-dependent-autophagy
#14
Chi-Ting Horng, Yueh-Jung Wu, Pei-Ni Chen, Shu-Chen Chu, Chun-Miao Tsai, Yih-Shou Hsieh
Autophagy is a self-destructive process that degrades cytoplasmic constituents. In our previous study, Koelreuteria formosana ethanolic extract (KFEE), which is obtained from natural plants endemic to Taiwan, has inhibited cell metastasis in renal carcinoma cells. However, the anticancer effects of KFEE on colon cancer remain unclear. In this study, KFEE exerted a strong cytotoxic effect on DLD-1 and COLO 205 human colorectal cancer cell lines. KFEE effectively inhibited cancer cell proliferation, induced G2/M-phase arrest associated with downregulaton of cyclin E, cyclin B and cdc25C and upregulation of p21, and induced cell death by activating autophagy but did not cause apoptotic cell death...
November 23, 2016: Nutrition and Cancer
https://www.readbyqxmd.com/read/27879376/the-fractionated-toona-sinensis-leaf-extract-induces-apoptosis-of-human-osteosarcoma-cells-and-inhibits-tumor-growth-in-a-murine-xenograft-model
#15
Chung-Hwan Chen, Ching-Ju Li, I-Chun Tai, Xiao-Hui Lin, Hseng-Kuang Hsu, Mei-Ling Ho
BACKGROUND: Osteosarcoma is a malignant bone tumor prevalent in adolescents with poor prognosis. Toona sinensis showed potent antiproliferation effect on lung, melatonin, ovary, colon, and liver cancers. However, the effects of the species on osteosarcoma cells are rarely investigated. RESULTS: In this study, we found fraction 1 of Toona sinensis leaf (TSL-1) resulted in inhibition of cell viability in MG-63, Saos-2, and U2OS osteosarcoma cell lines, while it only caused a moderate suppressive effect on normal osteoblasts...
November 21, 2016: Integrative Cancer Therapies
https://www.readbyqxmd.com/read/27876336/inhibition-of-protein-glycation-antioxidant-and-antiproliferative-activities-of-carpobrotus-edulis-extracts
#16
Jawhar Hafsa, Khaoula Mkadmini Hammi, Med Raâfet Ben Khedher, Med Ali Smach, Bassem Charfeddine, Khalifa Limem, Hatem Majdoub
Carpobrotus edulis is an important South African medicinal plants used as a food and therapeutic agent in traditional medicine. The aim of this study was to determine the phytochemical content, antioxidant, antiglycation and cytotoxic effect against Human Colon Cancer Cell Line (HCT-116) of aqueous and ethanol-water (1:1v/v) extracts of Carpobrotus edulis.The content of total phenolics and flavonoids in aqueous and ethanol-water extract were 151.99μg and 66.35μg gallic acid equivalents/mg of dry extract, and 38...
November 19, 2016: Biomedicine & Pharmacotherapy, Biomédecine & Pharmacothérapie
https://www.readbyqxmd.com/read/27876214/beneficial-effects-of-plantago-albicans-on-high-fat-diet-induced-obesity-in-rats
#17
Noura Samout, Amani Ettaya, Hafsia Bouzenna, Sana Ncib, Abdelfattah Elfeki, Najla Hfaiedh
Obesity is a one of the main global public health problems associated with chronic diseases such as coronary heart disease, diabetes and cancer. As a solution to obesity, we suggest Plantago albicans, which is a medicinal plant with several biological effects. This study assesses the possible anti-obesity protective properties of Plantago albicans in high fat diet-fed rats. 28 male Wistar rats were divided into 4 groups; a group which received normal diet (C), the second group was fed HDF diet (HDF), the third group was given normal diet supplemented with Plantago albicans (P...
November 18, 2016: Biomedicine & Pharmacotherapy, Biomédecine & Pharmacothérapie
https://www.readbyqxmd.com/read/27876207/aglycone-rich-extracts-of-phytoestrogens-cause-ros-mediated-dna-damage-in-breast-carcinoma-cells
#18
Shreelekha Dutta, Aparna Khanna
Phytoestrogens are known for their physiological role in lowering risk of osteoporosis, heart disease, breast cancer and menopausal symptoms. They are plant derived potent anti-oxidants, but tend to show pro-oxidant effect at higher concentrations. This study has been undertaken to exploit their pro-oxidant effect in the management of cancer. Cancer cells inherently possess high intracellular ROS levels, however, these levels do not cause harm to the cancer cells because of the anti-oxidant enzyme system. So, there is a need for a treatment strategy which could modulate the ROS levels...
November 18, 2016: Biomedicine & Pharmacotherapy, Biomédecine & Pharmacothérapie
https://www.readbyqxmd.com/read/27869665/anticancer-effects-of-rosemary-rosmarinus-officinalis-l-extract-and-rosemary-extract-polyphenols
#19
REVIEW
Jessy Moore, Michael Yousef, Evangelia Tsiani
Cancer cells display enhanced growth rates and a resistance to apoptosis. The ability of cancer cells to evade homeostasis and proliferate uncontrollably while avoiding programmed cell death/apoptosis is acquired through mutations to key signaling molecules, which regulate pathways involved in cell proliferation and survival. Compounds of plant origin, including food components, have attracted scientific attention for use as agents for cancer prevention and treatment. The exploration into natural products offers great opportunity to evaluate new anticancer agents as well as understand novel and potentially relevant mechanisms of action...
November 17, 2016: Nutrients
https://www.readbyqxmd.com/read/27863496/evaluation-of-anti-tumorigenic-activity-of-bp3b-against-colon-cancer-with-patient-derived-tumor-xenograft-model
#20
Hye-Youn Kim, Jinhee Kim, Huyen Trang Ha Thi, Ok-Sun Bang, Won-Suk Lee, Suntaek Hong
BACKGROUND: KIOM-CRC#BP3B (BP3B) is a novel herbal prescription that is composed of three plant extracts. Our preliminary study identified that BP3B exhibited potent anti-proliferative activity against various types of cancer cell lines in vitro. Because the in vivo anti-tumor effect of BP3B is not evaluated before clinical trial, we want to test it using patient's samples. METHODS: To confirm the in vivo anti-cancer effect of BP3B, we used genetically characterized patient-derived colon tumor xenograft (PDTX) mouse model...
November 18, 2016: BMC Complementary and Alternative Medicine
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