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Cancer AND phytochemicals

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https://www.readbyqxmd.com/read/29332583/eating-green-shining-light-on-the-use-of-dietary-phytochemicals-as-a-modern-approach-in-the-prevention-and-treatment-of-head-and-neck-cancers
#1
Linda L Eastham, Candace M Howard, Premalatha Balachandran, David S Pasco, Pier Paolo Claudio
Enthusiasm for the use of dietary bioactive compounds as chemopreventive agents and adjuvants for current therapies has increased laboratory research conducted on several types of cancers including Head and Neck Squamous Cell Carcinoma (HNSCC). The green chemoprevention movement is a modern approach to highlight healthy lifestyle changes that aim to decrease the incidence of HNSCC. A healthy diet can be an effective way to prevent the development of oral cancers. Discovery of the naturally occurring plant based compounds called phytochemicals has facilitated the development of new treatment strategies for patients that are at risk for, or have developed HNSCC...
January 12, 2018: Current Topics in Medicinal Chemistry
https://www.readbyqxmd.com/read/29329644/anticancer-carbazole-alkaloids-and-coumarins-from-clausena-plants-a-review
#2
REVIEW
Li Huang, Zhe-Ling Feng, Yi-Tao Wang, Li-Gen Lin
Pharmaceutical research has focused on the discovery and development of anticancer drugs. Clinical application of chemotherapy drugs is limited due to their severe side effects. In this regard, new naturally occurring anticancer drugs have gained increasing attention because of their potential effectiveness and safety. Fruits and vegetables are promising sources of anticancer remedy. Clausena (family Rutaceae) is a genus of flowering plants and includes several kinds of edible fruits and vegetables. Phytochemical and pharmacological studies show that carbazole alkaloids and coumarins from Clausena plants exhibit anticancer activity...
December 2017: Chinese Journal of Natural Medicines
https://www.readbyqxmd.com/read/29329564/phytochemical-analysis-antioxidant-and-anti-inflammatory-potential-of-feretia-apodanthera-root-bark-extracts
#3
Oluwayinka Olufunmilayo Owolabi, Dorcas Bolanle James, Ibrahim Sani, Binda T Andongma, Opeoluwa O Fasanya, Barnabas Kure
BACKGROUND: Inflammation has been implicated in many disorders, including cancer and available therapies elicit adverse effects. Plants of the family Rubiaceae have shown potency against inflammation. The anti-inflammatory and anti-oxidant potential of Feretia apodanthera was investigated in this study to evaluate its effectiveness. METHODS: The phytochemical, antioxidant and anti-inflammatory potential of root bark (n-Hexane, diethyl ether, ethanol and aqueous) extracts of Feretia apodanthera was investigated in this study...
January 12, 2018: BMC Complementary and Alternative Medicine
https://www.readbyqxmd.com/read/29329229/chemical-composition-and-evaluation-of-the-biological-properties-of-the-essential-oil-of-the-dietary-phytochemical-lippia-citriodora
#4
Eleni Fitsiou, Gregoria Mitropoulou, Katerina Spyridopoulou, Manolis Vamvakias, Haido Bardouki, Alex Galanis, Katerina Chlichlia, Yiannis Kourkoutas, Mihalis Ι Panayiotidis, Aglaia Pappa
The aim of the study was to characterize the chemical composition and biological properties of the essential oil from the plant Lippia citriodora grown in Greece. The essential oil volatiles were analyzed by gas chromatography-mass spectrometry GC-MS indicating citral as the major component. Τhe antimicrobial properties were assayed using the disk diffusion method and the minimum inhibitory and non-inhibitory concentration values were determined. Listeria monocytogenes, Staphylococcus epidermidis, Staphylococcus aureus, Saccharomyces cerevisiae, and Aspergillus niger were sensitive to Lippia citriodora oil, but not Escherichia coli, Salmonella Enteritidis, Salmonella typhimurium, and Pseudomonas fragi...
January 12, 2018: Molecules: a Journal of Synthetic Chemistry and Natural Product Chemistry
https://www.readbyqxmd.com/read/29322003/preliminary-phytochemical-analysis-and-in%C3%A2-vivo-evaluation-of-antipyretic-effects-of-hydro-methanolic-extract-of-cleome-scaposa-leaves
#5
Waheed Mumtaz Abbasi, Saeed Ahmad, Sajida Perveen, Tayyeba Rehman
Cleome scaposa has been associated with the prevention of many diseases as fever, abdominal complaints and cancer. But its antipyretic effect is not reported so far. The aim of this study was to assess the efficacy of C. scaposa in reducing temperature in Baker's yeast-induced fever model of rabbits. Rabbits were randomized into 4 groups (n = 24). Fever was induced in by Saccharomyces cerevisae (3 mL/kg of 10% suspension subcutaneous) in all study groups. Afterward, group 1, 2, 3 and 4 were orally administered with paracetamol 150 mg/kg b...
January 2018: Journal of Traditional and Complementary Medicine
https://www.readbyqxmd.com/read/29316620/could-aspirin-and-diets-high-in-fiber-act-synergistically-to-reduce-the-risk-of-colon-cancer-in-humans
#6
REVIEW
Pan Pan, Yi-Wen Huang, Kiyoko Oshima, Martha Yearsley, Jianying Zhang, Jianhua Yu, Mark Arnold, Li-Shu Wang
Early inhibition of inflammation suppresses the carcinogenic process. Aspirin is the most commonly used non-steroid anti-inflammatory drugs (NSAIDs), and it irreversibly inhibits cyclooxygenase-1 and -2 (COX1, COX2). Multiple randomized clinical trials have demonstrated that aspirin offers substantial protection from colon cancer mortality. The lower aspirin doses causing only minimal gastrointestinal disturbance, ideal for long-term use, can achieve only partial and transitory inhibition of COX2. Aspirin's principal metabolite, salicylic acid, is also found in fruits and vegetables that inhibit COX2...
January 6, 2018: International Journal of Molecular Sciences
https://www.readbyqxmd.com/read/29315597/american-cranberries-and-health-benefits-an-evolving-story-of-25-years
#7
REVIEW
Shaomin Zhao, Haiyan Liu, Liwei Gu
Cranberries contain various type of bioactive components. Scientists have been studying cranberries' beneficial effects on urinary tract health since the 20th century. Entering the 21st century, the protection of cranberry phytochemicals against cancer and vascular diseases has drawn more attention from researchers. Anthocyanins, procyanidins, and flavonols in cranberries were all documented to have potential effects on cancer prevention. The cardiometabolic effects of cranberries have been investigated in several clinical trials...
January 9, 2018: Journal of the Science of Food and Agriculture
https://www.readbyqxmd.com/read/29310309/chromatographic-column-evaluation-for-the-untargeted-profiling-of-glucosinolates-in-cauliflower-by-means-of-ultra-high-performance-liquid-chromatography-coupled-to-high-resolution-mass-spectrometry
#8
Anna Laura Capriotti, Chiara Cavaliere, Giorgia La Barbera, Carmela Maria Montone, Susy Piovesana, Riccardo Zenezini Chiozzi, Aldo Laganà
The untargeted profiling is a promising approach for the characterization of secondary metabolites in biological matrices. Thanks to the recent rapid development of high-resolution mass spectrometry (HRMS) instrumentations, the number of applications by untargeted approaches for biological samples profiling has widely increased in the recent years. Despite the high potentialities of HRMS, however, a major issue in natural products analysis often arises in the upstream process of compounds separation. A separation technique is necessary to avoid phenomena such as signal suppression, and it is especially needed in the presence of isomeric metabolites, which are otherwise indistinguishable...
March 1, 2018: Talanta
https://www.readbyqxmd.com/read/29303071/prenylated-coumarins-of-the-genus-citrus-an-overview-of-the-2006-2016-literature-data
#9
Salvatore Genovese, Vito Alessandro Taddeo, Francesco Epifano, Serena Fiorito
O-Prenyl coumarins (3,3-dimethylallyl, geranyl-, farnesyl- and related biosynthetic derivatives) represent a class of rarely occurring natural products. In the last two decades such secondary metabolites have been found to possess promising and effective pharmacological properties, mainly in terms of anti-cancer and anti-inflammatory properties. To date about 160 oxyprenylated coumarins have been extracted from plants, fungi, and bacteria. The genus Citrus have been demonstrated to be among the richest source of the title products...
January 4, 2018: Current Medicinal Chemistry
https://www.readbyqxmd.com/read/29291263/overexpression-of-anthocyanidin-synthase-ans-gene-in-strawberry-enhances-antioxidant-capacity-and-cytotoxic-effects-on-human-hepatic-cancer-cells
#10
Francesca Giampieri, Massimiliano Gasparrini, Tamara Yuliett Forbes-Hernandez, Luca Mazzoni, Franco Capocasa, Silvia Sabbadini, José M Alvarez-Suarez, Sadia Afrin, Carlo Rosati, Tiziana Pandolfini, Barbara Molesini, José F Sanchez-Villa, Iraida Amaya, Bruno Mezzetti, Maurizio Battino
Food fortification through the increase and/or modulation of bioactive compounds has become a major goal for preventing several diseases, including cancer. Here, strawberry lines of cv. Calypso transformed with a construct containing an anthocyanidin synthase (ANS) gene were produced to study the effects on anthocyanin biosynthesis, metabolism and transcriptome. Three strawberry ANS transgenic lines (ANS L5, ANS L15 and ANS L18) were analysed for phytochemical composition and total antioxidant capacity (TAC), and their fruit extracts assessed for cytotoxic effects on hepatocellular carcinoma...
January 1, 2018: Journal of Agricultural and Food Chemistry
https://www.readbyqxmd.com/read/29278988/cytotoxic-activity-of-the-bioactive-principles-from-ficus-burtt-davyi
#11
Olumuyiwa O Ogunlaja, Roshila Moodley, Moganavelli Singh, Himansu Baijnath, Sreekanth B Jonnalagadda
Ficus burtt-davyi (Moraceae) is a medicinal plant species indigenous to Southern Africa. In this study, a phytochemical and cytotoxic investigation on F. burtt-davyi was conducted to evaluate its ethno-medicinal use. The phytochemical study of the fruits yielded triterpenoids (lupeol and α-amyrin). The cytotoxic evaluation was done on the methanolic extracts and selected compounds, lupeol, α-amyrin, lupeol acetate and (+)-catechin isolated from F. burtt-davyi stem bark and fruits. The 3-(4,5-dimethylthiazol-2-yl)-2,5-diphenyltetrazolium bromide (MTT) cell viability assay was carried out against two human cancer cell lines, breast adenocarcinoma (MCF-7) and colorectal adenocarcinoma (Caco-2), and normal human embryonic kidney cells (HEK293)...
December 26, 2017: Journal of Environmental Science and Health. Part. B, Pesticides, Food Contaminants, and Agricultural Wastes
https://www.readbyqxmd.com/read/29278371/flavonoids-and-phenolic-acids-from-oregano-occurrence-biological-activity-and-health-benefits
#12
REVIEW
Erick P Gutiérrez-Grijalva, Manuel A Picos-Salas, Nayely Leyva-López, Marilyn S Criollo-Mendoza, Gabriela Vazquez-Olivo, J Basilio Heredia
Several herb species classified as oregano have been widely used in folk medicine to alleviate inflammation-related diseases, respiratory and digestive disorders, headaches, rheumatism, diabetes and others. These potential health benefits are partially attributed to the phytochemical compounds in oregano such as flavonoids (FL) and phenolic acids (PA). Flavonoids and phenolic acids are among the most abundant and most studied phytochemicals in oregano species. Epidemiological, in vitro and in vivo experiments have related long-term consumption of dietary FL and PA with a decreased risk of incidence of chronic diseases...
December 26, 2017: Plants (Basel, Switzerland)
https://www.readbyqxmd.com/read/29278208/identification-of-the-multifaceted-chemopreventive-activity-of-curcumin-against-the-carcinogenic-potential-of-the-food-additive-kbro3
#13
Ismael Obaidi, Michael Higgins, Bojlul Bahar, Jessica L Davis, Tara McMorrow
BACKGROUND: Potassium bromate (KBrO3), a food additive, has been used in many bakery products as an oxidizing agent. It has been shown to induce renal cancer in many in-vitro and in-vivo experimental models Objectives: This study evaluated the carcinogenic potential of potassium bromate (KBrO3) and the chemopreventive mechanisms of the anti-oxidant and anti-inflammatory phytochemical, curcumin against KBrO3-induced carcinogenicity Method: Lactate dehydrogenase (LDH) cytotoxicity assay and morphological characteristics were used to assess curcumin's cytoprotective potential against KBrO3 toxicity...
December 26, 2017: Current Pharmaceutical Design
https://www.readbyqxmd.com/read/29277184/-study-on-effects-and-mechanisms-of-phytochemicals-in-vegetables-and-fruits-%C3%A2-in-preventing-and-treating-lung-cancer
#14
Tiantian Guo, Congmin Liu, Zhaoyu Gao, Yutong He
Whether in the world or China, lung cancer is a malignant tumor which is harmful to human health. There were studies showed that lung cancer is tightly related to the environment factors and life style. The epidemiology study found that eating more fruits and vegetables can prevent lung cancer. Vegetables and fruits are rich in phytochemicals such as isothiocyanates, indoles, flavonoids and so on. These phytochemicals reduce the risk of lung cancer by modulating antitumor-related pathways such as inhibition of cell proliferation, induction of apoptosis, and the like...
December 20, 2017: Zhongguo Fei Ai za Zhi, Chinese Journal of Lung Cancer
https://www.readbyqxmd.com/read/29258490/cytotoxic-antioxidative-genotoxic-and-antigenotoxic-effects-of-horchata-beverage-of-south-ecuador
#15
Natalia Bailon-Moscoso, Fani Tinitana, Ruth Martínez-Espinosa, Andrea Jaramillo-Velez, Alejandra Palacio-Arpi, Jessica Aguilar-Hernandez, Juan Carlos Romero-Benavides
BACKGROUND: "Horchata" is an herbal mixture infusion consumed in Southern Ecuador; 66% of its plants are anti-inflammatory medicinal plant, and 51% are analgesics. Anti-inflammatory substances can prevent carcinogenesis mediated by cytotoxic effects and can prevent DNA damage. The aim of this study was to evaluate the cytotoxicity and apoptotic/antigenotoxic effects of horchata as well as its mechanism. METHODS: Nine different varieties of horchata were prepared in the traditional way and then freeze-dried...
December 19, 2017: BMC Complementary and Alternative Medicine
https://www.readbyqxmd.com/read/29245990/caspase-4-is-essential-for-saikosaponin-a-induced-apoptosis-acting-upstream-of-caspase-2-and-%C3%AE-h2ax-in-colon-cancer-cells
#16
Su Jin Kang, Young Joon Lee, Sung Gu Kang, Soyoung Cho, Wonsuck Yoon, Ji Hong Lim, Sang-Hyun Min, Tae Ho Lee, Byeong Mo Kim
Saikosaponin a (SSa), a bioactive phytochemical from Bupleurum, triggers sequential caspase-2 and caspase-8 activation, and thereby induces caspase-mediated apoptosis in human colon carcinoma (HCC) cells. However, the upstream mechanism of caspase-2 activation remains unknown. Therefore, we investigated the signaling mechanisms underlying SSa-induced caspase activation and apoptosis in HCC cells. SSa treatment triggered marked antitumor effects, especially in HCC cells, in a cell culture model and a mouse xenograft model...
November 21, 2017: Oncotarget
https://www.readbyqxmd.com/read/29234365/ethnopharmacological-uses-phytochemistry-and-pharmacological-properties-of-croton-macrostachyus-hochst-ex-delile-a-comprehensive-review
#17
REVIEW
Alfred Maroyi
Croton macrostachyus is widely used as herbal medicine by the indigenous people of tropical Africa. The potential of C. macrostachyus as herbal medicine, the phytochemistry, and pharmacological properties of its parts used as herbal medicines are reviewed. The extensive literature survey revealed that C. macrostachyus is traditionally used to treat or manage at least 81 human and animal diseases and ailments. The species is used as herbal medicine for diseases and ailments such as abdominal pains, cancer, gastrointestinal disorders, malaria, pneumonia, sexually transmitted infections, skin infections, typhoid, and wounds and as ethnoveterinary medicine...
2017: Evidence-based Complementary and Alternative Medicine: ECAM
https://www.readbyqxmd.com/read/29225112/fisetin-a-bioactive-phytochemical-with-potential-for-cancer-prevention-and-pharmacotherapy
#18
REVIEW
Dharambir Kashyap, Ajay Sharma, Katrin Sak, Hardeep Singh Tuli, Harpal Singh Buttar, Anupam Bishayee
A wide variety of chronic diseases, such as neurodegenerative and cardiovascular disorders, diabetes mellitus, osteoarthtitis, obesity and various cancers, are now being treated with cost effective phytomedicines. Since synthetic medicines are very expensive, concerted efforts are being made in developing and poor countries to discover cost effective medicines for the treatment of non-communicable diseases (NCDs). Understanding the underlying mechanisms of bioactive medicines from natural sources would not only open incipient avenues for the scientific community and pharmaceutical industry to discover new drug molecules for the therapy of NCDs, but also help to garner knowledge for alternative therapeutic approaches for the management of chronic diseases...
December 7, 2017: Life Sciences
https://www.readbyqxmd.com/read/29220106/chemoprevention-by-resveratrol-and-pterostilbene-targeting-on-epigenetic-regulation
#19
REVIEW
Pei-Sheng Lee, Yi-Shiou Chiou, Chi-Tang Ho, Min-Hsiung Pan
Epigenetic mechanisms are essential in regulating normal cellular functions and play an important role during the disease developmental stages. However, aberrant epigenetic mechanisms may lead to pathological consequences such as cancer, neurological disorders, bone and skeletal diseases, cardiovascular dysfunction, and metabolic syndrome. The molecular mechanisms of epigenetic modification include DNA methylation, histone modification (acetylation, methylation and phosphorylation), and microRNAs (miRNAs). Unlike genetic modifications, epigenetic states of genes are reversible and can be altered by certain intrinsic and extrinsic factors...
December 8, 2017: BioFactors
https://www.readbyqxmd.com/read/29217268/novel-in-vitro-and-in-silico-insights-of-the-multi-biological-activities-and-chemical-composition-of-bidens-tripartita-l
#20
Sengul Uysal, Asli Ugurlu, Gokhan Zengin, Mehmet Cengiz Baloglu, Yasemin Celik Altunoglu, Adriano Mollica, Luisa Custodio, Nuno R Neng, José M F Nogueira, M Fawzi Mahomoodally
Bidens tripartita L. is a traditional phyto-remedy used in several countries, yet there is still a paucity of data on its biological potential. We aimed to provide new insights on the pharmacological potential of extracts prepared from B. tripartita via highlighting its antioxidant, key enzymes inhibitory potency, and DNA protecting effects. Phytochemical profile was established using High-Performance Liquid Chromatography with Diode-Array Detection (HPLC-DAD) and bioactive compound(s) docked against target enzymes using in silico methods...
December 4, 2017: Food and Chemical Toxicology
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