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furocoumarin/càncer
L'enllaç es desa al porta-retalls
Pàgina 1 des de 44 resultats
Novel Mitochondria-Targeted Furocoumarin Derivatives as Possible Anti-Cancer Agents.
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Targeting small molecules to appropriate subcellular compartments is a way to increase their selectivity and effectiveness while minimizing side effects. This can be accomplished either by stably incorporating specific "homing" properties into the structure of the active principle, or by attaching
Anti-tumor effects of various furocoumarins isolated from the roots, seeds and fruits of Angelica and Cnidium species under ultraviolet A irradiation.
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We examined the effects on cell proliferation of 10 methoxyfurocoumarins and 7 dihydrofurocumarins isolated from Umbelliferae medicinal plants, and their mechanisms of action against B16F10 melanoma cells or in melanin-possessing hairless mice implanted with B16F10 melanoma cells, under UVA
Dietary furocoumarins and skin cancer: A review of current biological evidence.
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Furocoumarins are a class of compounds produced by several plant species, including some popularly consumed by humans. Furocoumarins are known to be well absorbed from food sources, and can be rapidly distributed into several tissues including the skin. In human skin, when exposed to UV radiation,
Intake of Furocoumarins and Risk of Skin Cancer in 2 Prospective US Cohort Studies.
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Application of the equivalency factor concept to the phototoxicity and -genotoxicity of furocoumarin mixtures.
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Furocoumarins (FCs) are natural constituents widely occurring in plants used as food or in phytomedicines, cosmetics, etc. Some FCs exert dermal photo-toxicity and -genotoxicity when combined with UVA irradiation. For a few congeners, skin tumor formation has been described in humans and laboratory
Antiproliferative and cytotoxic activities of furocoumarins of Ducrosia anethifolia.
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In vitro and in vivo antiproliferative effect of a combination of ultraviolet-A and alkoxy furocoumarins isolated from Umbelliferae medicinal plants, in melanoma cells.
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We examined the effects of six furocoumarins with alkoxy groups at the C-5 or C-8 position isolated from Umbelliferae medicinal plants on cell proliferation, and their mechanisms of action against B16F10 melanoma cells or in melanin-possessing hairless mice implanted with B16F10 cells, under UVA
The increase in melanoma: are dietary furocoumarins responsible?
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According to most cancer registries the incidence of cutaneous melanoma (CM) has been increasing for several decades. Unlike other skin cancers, CM does not clearly correlate with exposure to ultraviolet radiation. The strongest etiological evidence for CM in man is genetic predisposition, evidenced
Relationship between Furocoumarin Intake and Melanoma History among US Adults in the National Health and Nutrition Examination Survey 2003-2012.
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Furocoumarins are a group of phototoxic compounds found in numerous edible plants. Data from cohort studies have suggested that consumption of certain furocoumarin-rich foods may increase skin cancer risk. However, no study has specifically tested this hypothesis by estimating furocoumarin intake
Induction of erythroid differentiation and increased globin mRNA production with furocoumarins and their photoproducts.
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Differentiation-therapy is an important approach in the treatment of cancer, as in the case of erythroid induction in chronic myelogenous leukemia. Moreover, an important therapeutic strategy for treating beta-thalassemia and sickle-cell anemia could be the use of drugs able to induce erythroid
4'-Methylangelicin derivatives: a new group of highly photosensitizing monofunctional furocoumarins.
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The photobiological properties of three new angelicin derivatives carrying a methyl-group in 4' position at the furanic ring have been studied. In double-irradiation experiments on E. coli cells, they appeared to behave as monofunctional reactives towards DNA, similarly to the other angelicin
DNA damage induced by 4,6,8,9-tetramethyl-2H-furo[2,3-h]quinolin-2-one, a new furocoumarin analog: biological consequences.
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4,6,8,9-Tetramethyl-2H-furo[2,3-h]quinolin-2-one (HFQ) and its isomer FQ (1,4,6,8-tetramethyl-2H-furo[2,3-h]quinolin-2-one) showed very strong antiproliferative activity in mammalian cells, about two times greater than 8-methoxypsoralen (8-MOP). Both compounds induced DNA-protein cross-links (DPC)
Pyrazolo[3,4-h]quinolines promising photosensitizing agents in the treatment of cancer.
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A new series of pyrazolo[3,4-h]quinolines, heteroanalogues of angelicin was conveniently prepared with a broad substitution pattern. A large number of derivatives was obtained and the cellular photocytotoxicity was evaluated in vitro against 5 different human tumor cell lines with GI50 values
Identification and Quantitation of Furocoumarins in Popularly Consumed Foods in the U.S. Using QuEChERS Extraction Coupled with UPLC-MS/MS Analysis.
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Furocoumarins are a class of photoactive compounds found in several plant species and may be responsible for the observed association between consumption of citrus products and the risk of skin cancer. Furocoumarin contents of several foods have been reported previously, but no comprehensive
[Pseudo-furocoumarin: synthesis, DNA-binding behavior and cytotoxicity].
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Furocoumarin shows some antitumor activity when it is radiated by the UV light. In order to improve the antitumor activity of furocoumarin under standard environment conditions, the "minimal DNA-intercalating" hypothesis was firstly introduced to the structural modification of furocoumarin, which
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