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8 resultados
Geranylgeraniol potently induces caspase-3-like activity during apoptosis in human leukemia U937 cells.
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In a previous study, we showed that geranylgeraniol (GGO) is a potent inducer of apoptosis in human leukemia cells. The present study describes the effects of GGO on the activity of cysteine-dependent aspartate-directed proteases (caspases) in human leukemia U937 cells. The caspase-3 (CPP32)
A comparative study of leukaemia inhibitory factor and interleukin-1alpha intracellular content in a human keratinocyte cell line after exposure to cosmetic fragrances and sodium dodecyl sulphate.
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According to European laws animal testing in cosmetic industry will be prohibited in a few years and it will be replaced by alternative methods based on cell and tissue culture. Many ingredients of cosmetic formulations are potentially causes of skin inflammation and sensibilization. Since
Concentration-dependent increase of murine P388 and B16 population doubling time by the acyclic monoterpene geraniol.
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Geraniol, an acyclic end product of a plant isoprene pathway and a pyrophosphorylated intermediate in plant and animal pathways, caused a concentration-dependent increase in the population doubling time of murine P388 leukemia cells in suspension culture and of B16 melanoma cells in monolayer
Farnesyl-O-acetylhydroquinone and geranyl-O-acetylhydroquinone suppress the proliferation of murine B16 melanoma cells, human prostate and colon adenocarcinoma cells, human lung carcinoma cells, and human leukemia cells.
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Farnesyl-O-acetylhydroquinone (IC(50)=2.5 microM/l) suppressed the proliferation of murine B16F10 melanoma cells with a potency much greater than those of farnesol (IC(50)=45 microM/l) and farnesyl anthranilate (IC(50)=46 microM/l), its alcohol, and ester counterparts with proven anti-tumor
Structure of a Coumaric Acid Analogue with a Monoterpene Moiety from the Flowers of Osmanthusfragrans var. aurantiacus and Evaluation of Cinnamic Acid Analogues as Nitric Oxide Production and Degranulation Inhibitors.
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A coumaric acid analogue with a monoterpene moiety named floraosmanol A (1) was isolated from the flowers of Osmanthisfragrans var. aurantiacus. The chemical structure was elucidated on the basis of chemical and physicochemical evidence. Floraosmanol A (1) significantly inhibited nitric oxide .(NO)
Protein-linked isoprenoid lipids in dexamethasone-treated human lymphoid lines in culture.
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Accumulation of isoprenoids was studied in two cell lines derived from acute T-cell leukemia: CEM-C7 cells, whose growth is inhibited by the glucocorticoid dexamethasone, and CEM-C1 cells, which are resistant to this steroid. Isoprenoids were measured by growing the cells in serum-free medium in the
Induction of apoptosis in two mammalian cell lines results in increased levels of fructose-1,6-bisphosphate and CDP-choline as determined by 31P MRS.
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Programmed cell death or apoptosis was induced in human promyelocytic leukemia (HL-60) and Chinese hamster ovary (CHO-K1) cells using several cytotoxic drugs that have different modes of action, including camptothecin, ceramide, chelerythrine, etoposide, farnesol, geranyl geraniol, and
Prevention and therapy of cancer by dietary monoterpenes.
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Monoterpenes are nonnutritive dietary components found in the essential oils of citrus fruits and other plants. A number of these dietary monoterpenes have antitumor activity. For example, d-limonene, which comprises >90% of orange peel oil, has chemopreventive activity against rodent mammary, skin,
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