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Articles
Dietary Antioxidants
Antioxidants protect biological systems from oxidative damage produced by oxygen-containing free radicals and from redoxactive transition metal ions such as iron, copper, and cadmium.1 During the oxi...
BioFiles 2007, 2.2, 2.
Keywords: Adhesion, Anti-inflammatory agents, Cancer, Cardiovascular, Catalysis, Diabetes, Diseases, Gene expression, Metabolism, Neurodegenerative Diseases, Peroxidations, Phosphorylations, Prebiotics, Probiotics, Reductions, Transcription, Transduction, Vitamins
Fatty Acid Synthesis and Metabolism in Cancer Cells
Proliferatively active cells require fatty acids for functions such as membrane generation, protein modification, and bioenergetic requirements. These fatty acids are derived either from dietary sour...
Keywords: Apoptosis, Cancer, Carboxylations, Catalysis, Gene expression, Glycolysis, Metabolism, Oxidations, PAGE, Phosphorylations
Traditional Medicinals and Cancer
Traditional Chinese Medicine (TCM) is a healing art that has been practiced for thousands of years. The practice of TCM is a holistic approach that includes the use of herbal preparations, acupunctur...
Lynn Stephenson, Product Specialist, Sigma® Life Science and Chloe McClanahan, Product Manager, Sigma Life Science
Biofiles Vol. 8, No. 6
Keywords: Analgesics, Antitumor agents, Apoptosis, Cancer, Drug discovery, Fractionation, High performance liquid chromatography, Metabolites, Metabolomics, Nuclear magnetic resonance spectroscopy, Pharmaceutical
Papers
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Radioprotective effect of antioxidative flavonoids in gamma-ray irradiated mice. Shimoi, L., et al. Carcinogenesis 15, 2669, (1994)
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Flavonoid antioxidants: rate constants for reactions with oxygen radicals. Bors, W, et al. Meth. Enzymol. 234, 420, (1994)
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Structural basis of inhibitor specificity of the human protooncogene proviral insertion site in moloney murine leukemia virus (PIM-1) kinase. Alex N Bullock et al J. Med. Chem. 48, 7604-14, (2005)
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Synthesis and biological evaluation of 1,3-diphenylprop-2-yn-1-ones as dual inhibitors of cyclooxygenases and lipoxygenases. P N Praveen Rao et al Bioorg. Med. Chem. Lett. 15, 4842-5, (2005)
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The transgenic Arabidopsis plant system, pER8-GFP, as a powerful tool in searching for natural product estrogen-agonists/antagonists. Fang-Rong Chang et al J. Nat. Prod. 68, 971-3, (2005)
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Expanding the ChemGPS chemical space with natural products. Josefin Larsson et al J. Nat. Prod. 68, 985-91, (2005)
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Synthesis and structure-activity relationship studies of 1,3-diarylprop-2-yn-1-ones: dual inhibitors of cyclooxygenases and lipoxygenases. P N Praveen Rao et al J. Med. Chem. 49, 1668-83, (2006)
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Inhibition of Plasmodium falciparum fatty acid biosynthesis: evaluation of FabG, FabZ, and FabI as drug targets for flavonoids. Deniz Tasdemir et al J. Med. Chem. 49, 3345-53, (2006)
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Fatty acid synthase inhibitory activity of acylphloroglucinols isolated from Dryopteris crassirhizoma. MinKyun Na et al Bioorg. Med. Chem. Lett. 16, 4738-42, (2006)
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A common protein fold topology shared by flavonoid biosynthetic enzymes and therapeutic targets. Bernadette M McArdle et al J. Nat. Prod. 69, 14-7, (2006)
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3-Hydroxychromones as cyclin-dependent kinase inhibitors: synthesis and biological evaluation. Jinho Lee et al Bioorg. Med. Chem. Lett. 17, 1284-7, (2007)
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New antifungal flavonoid glycoside from Vitex negundo. B Sathiamoorthy et al Bioorg. Med. Chem. Lett. 17, 239-42, (2007)
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Rotenoids and flavonoids with anti-invasion of HT1080, anti-proliferation of U937, and differentiation-inducing activity in HL-60 from Erycibe expansa. Hisashi Matsuda et al Bioorg. Med. Chem. 15, 1539-46, (2007)
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Improved quantitative structure-activity relationship models to predict antioxidant activity of flavonoids in chemical, enzymatic, and cellular systems. Andrei I Khlebnikov et al Bioorg. Med. Chem. 15, 1749-70, (2007)
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2-Styrylchromones: novel strong scavengers of reactive oxygen and nitrogen species. Ana Gomes et al Bioorg. Med. Chem. 15, 6027-36, (2007)
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Comparative molecular field analysis of flavonoid inhibitors of the PIM-1 kinase. Sheldon Holder et al Bioorg. Med. Chem. 15, 6463-73, (2007)
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Cells lacking DNA topoisomerase II beta are resistant to genistein. Miguel López-Lazaro et al J. Nat. Prod. 70, 763-7, (2007)
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Chemical genetics reveals a complex functional ground state of neural stem cells Diamandis, P., et. al. Nat. Chem. Biol. 3(5), 268-273, (2007)
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Flavonoids for controlling starch digestion: structural requirements for inhibiting human alpha-amylase. Elena Lo Piparo et al J. Med. Chem. 51, 3555-61, (2008)
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Structure-activity relationship of human GLO I inhibitory natural flavonoids and their growth inhibitory effects. Ryoko Takasawa et al Bioorg. Med. Chem. 16, 3969-75, (2008)
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Structure-activity relationship of flavonoids as influenza virus neuraminidase inhibitors and their in vitro anti-viral activities. Ai-Lin Liu et al Bioorg. Med. Chem. 16, 7141-7, (2008)
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Tyrosine derivatives isolated from Streptomyces sp. IFM 10937 in a screening program for TRAIL-resistance-overcoming activity. Firoj Ahmed et al J. Nat. Prod. 71, 1963-6, (2008)
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Steroids and flavonoids from Physalis alkekengi var. franchetii and their inhibitory effects on nitric oxide production. Li Qiu et al J. Nat. Prod. 71, 642-6, (2008)
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Erigeroflavanone, a flavanone derivative from the flowers of Erigeron annuus with protein glycation and aldose reductase inhibitory activity. Nam Hee Yoo et al J. Nat. Prod. 71, 713-5, (2008)
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Effect of flavonoids on androgen and glucocorticoid receptors based on in vitro reporter gene assay. Yosuke Nishizaki et al Bioorg. Med. Chem. Lett. 19, 4706-10, (2009)
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Structural characteristics of flavanones and flavones from Cudrania tricuspidata for neuraminidase inhibition. Young Bae Ryu et al Bioorg. Med. Chem. Lett. 19, 4912-5, (2009)
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Glucose-containing flavones--their synthesis and antioxidant and neuroprotective activities. Seung Hwan Kim et al Bioorg. Med. Chem. Lett. 19, 6009-13, (2009)
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Neuraminidase inhibitory activities of flavonols isolated from Rhodiola rosea roots and their in vitro anti-influenza viral activities. Hyung Jae Jeong et al Bioorg. Med. Chem. 17, 6816-23, (2009)
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Synthesis and biological evaluation of novel luteolin derivatives as antibacterial agents. Peng-Cheng Lv et al Eur. J. Med. Chem. 44, 908-14, (2009)
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Chemical constituents from the aerial parts of Artemisia minor. Zhi-Zhou He et al J. Nat. Prod. 72, 1198-201, (2009)
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Cardenolide glycosides of Thevetia peruviana and triterpenoid saponins of Sapindus emarginatus as TRAIL resistance-overcoming compounds. Takashi Miyagawa et al J. Nat. Prod. 72, 1507-11, (2009)
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Triterpenoids and flavonoids from celery (Apium graveolens). Kailan Zhou et al J. Nat. Prod. 72, 1563-7, (2009)
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Inhibition studies of bovine xanthine oxidase by luteolin, silibinin, quercetin, and curcumin. James M Pauff et al J. Nat. Prod. 72, 725-31, (2009)
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Small-molecule inhibitors of NADPH oxidase 4. Gábor Borbély et al J. Med. Chem. 53, 6758-62, (2010)
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The synthesis and angiotensin converting enzyme (ACE) inhibitory activity of chalcones and their pyrazole derivatives. Marco Bonesi et al Bioorg. Med. Chem. Lett. 20, 1990-3, (2010)
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New inhibitors for expression of IgE receptor on human mast cell. Satoru Tamura et al Bioorg. Med. Chem. Lett. 20, 2299-302, (2010)
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Cytotoxicity and inhibition of DNA topoisomerase I of polyhydroxylated triterpenoids and triterpenoid glycosides. Ping Wang et al Bioorg. Med. Chem. Lett. 20, 2790-6, (2010)
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Integrated ligand and structure based studies of flavonoids as fatty acid biosynthesis inhibitors of Plasmodium falciparum. Amit K Gupta et al Bioorg. Med. Chem. Lett. 20, 4779-81, (2010)
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Novel enoyl-ACP reductase (FabI) potential inhibitors of Escherichia coli from Chinese medicine monomers. Jingjing Yao et al Bioorg. Med. Chem. Lett. 20, 56-9, (2010)
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Flavonoids from Dracocephalum tanguticum and their cardioprotective effects against doxorubicin-induced toxicity in H9c2 cells. Shu-Qi Wang et al Bioorg. Med. Chem. Lett. 20, 6411-5, (2010)
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Ixorapeptide I and ixorapeptide II, bioactive peptides isolated from Ixora coccinea. Chia-Lin Lee et al Bioorg. Med. Chem. Lett. 20, 7354-7, (2010)
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A new series of flavones, thioflavones, and flavanones as selective monoamine oxidase-B inhibitors. Franco Chimenti et al Bioorg. Med. Chem. 18, 1273-9, (2010)
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Potent inhibitor scaffold against Trypanosoma cruzi trans-sialidase. Shingo Arioka et al Bioorg. Med. Chem. 18, 1633-40, (2010)
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Melanogenesis inhibitors from the desert plant Anastatica hierochuntica in B16 melanoma cells. Souichi Nakashima et al Bioorg. Med. Chem. 18, 2337-45, (2010)
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Reliability of bond dissociation enthalpy calculated by the PM6 method and experimental TEAC values in antiradical QSAR of flavonoids. Dragan Ami? et al Bioorg. Med. Chem. 18, 28-35, (2010)
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Synthesis of a novel series of diphenolic chromone derivatives as inhibitors of NO production in LPS-activated RAW264.7 macrophages. Guo-Biao Liu et al Bioorg. Med. Chem. 18, 2864-71, (2010)
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Selective inhibition of methoxyflavonoids on human CYP1B1 activity. Hitomi Takemura et al Bioorg. Med. Chem. 18, 6310-5, (2010)
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Discovery and synthesis of novel luteolin derivatives as DAT agonists. Jiange Zhang et al Bioorg. Med. Chem. 18, 7842-8, (2010)
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Identification by high-throughput screening of inhibitors of Schistosoma mansoni NAD(+) catabolizing enzyme. Isabelle Kuhn et al Bioorg. Med. Chem. 18, 7900-10, (2010)
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Biflavonoids from Torreya nucifera displaying SARS-CoV 3CL(pro) inhibition. Young Bae Ryu et al Bioorg. Med. Chem. 18, 7940-7, (2010)
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QSAR study of flavonoids and biflavonoids as influenza H1N1 virus neuraminidase inhibitors. Andrew G Mercader et al Eur. J. Med. Chem. 45, 1724-30, (2010)
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Structural aspects of flavonoids as inhibitors of human butyrylcholinesterase. Maja Katalini? et al Eur. J. Med. Chem. 45, 186-92, (2010)
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Multivariate QSAR study on the antimutagenic activity of flavonoids against 3-NFA on Salmonella typhimurium TA98. Eduardo Borges de Melo et al Eur. J. Med. Chem. 45, 4562-9, (2010)
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An efficient and economical MTT assay for determining the antioxidant activity of plant natural product extracts and pure compounds. Yunbao Liu et al J. Nat. Prod. 73, 1193-5, (2010)
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Phloroglucinol glycosides from the fresh fruits of Eucalyptus maideni. Li-Wen Tian et al J. Nat. Prod. 73, 160-3, (2010)
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Flavonoids as inhibitors of human CD38 E. Kellenberger, et al., Bioorg. Med. Chem. Lett. 21, 3939-3942, (2011)
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Structural requirements of flavonoids for the adipogenesis of 3T3-L1 cells. Hisashi Matsuda et al Bioorg. Med. Chem. 19, 2835-41, (2011)
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Comparative CYP1A1 and CYP1B1 substrate and inhibitor profile of dietary flavonoids. Vasilis P Androutsopoulos et al Bioorg. Med. Chem. 19, 2842-9, (2011)
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Synthesis and evaluation of novel 2-butyl-4-chloro-1-methylimidazole embedded chalcones and pyrazoles as angiotensin converting enzyme (ACE) inhibitors. Srinivas Kantevari et al Bioorg. Med. Chem. 19, 4772-81, (2011)
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Protective effects of luteolin against apoptotic liver damage induced by D-galactosamine/lipopolysaccharide in mice. Woo-Cheol Lee et al J. Nat. Prod. 74, 1916-21, (2011)
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Cycloartane triterpenes isolated from Combretum quadrangulare in a screening program for death-receptor expression enhancing activity. Kazufumi Toume et al J. Nat. Prod. 74, 249-55, (2011)
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Flavonoids from eight tropical plant species that inhibit the multidrug resistance transporter ABCG2. Muhammad Ali Versiani et al J. Nat. Prod. 74, 262-6, (2011)
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Merck 14,5614