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10 resultados
Auriculasin-induced ROS causes prostate cancer cell death via induction of apoptosis.
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Recent studies have demonstrated that natural agents targeting the accumulation of reactive oxygen species (ROS) that selectively kill, leaving normal cells undamaged, can suppress prostate cancer. Here, we show that auriculasin, derived from Flemingia philippinensis, induces significant cell death
The Role of Polyphenol (Flavonoids) Compounds in the Treatment of Cancer Cells.
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Cancer remains a second leading cause of deaths and major public health problem. It occurs due to extensive DNA damage caused by ultraviolet radiations, ionizing radiations, environmental agents, therapeutic agents, etc. Among all cancers, the most frequently diagnosed cancers are lung (12.7%),
Flemingins G-O, cytotoxic and antioxidant constituents of the leaves of Flemingia grahamiana.
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The known flemingins A-C (1-3) and nine new chalcones, named flemingins G-O (4-12), along with deoxyhomoflemingin (13) and emodin (14) were isolated from a leaf extract of Flemingia grahamiana. The isolated chalcones were found to have a geranyl substituent modified into a chromene ring possessing a
New flavonoids with cytotoxicity from the roots of Flemingia latifolia.
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Flemingia latifolia is a folk medicine in China, which is used for treating rheumatism, arthropathy, chronic nephritis and menopausal syndrome. The phytochemicals of the plant have seldom been studied so far. In present study, three new compounds, a flavanone quinone (flemingiquinone A) (1), a
Estrogenic effects of phytoestrogens derived from Flemingia strobilifera in MCF-7 cells and immature rats.
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Phytoestrogen (PE) has received considerable attention due to the physiological significance of its estrogenicity. Flemingia strobilifera (FS) has been used as a folk medicine in Asia for the treatment of inflammation, cancer, and infection; however, the estrogenic effects and chemical components of
Polysubstituted Isoflavonoids from Spatholobus suberectus, Flemingia macrophylla, and Cudrania cochinchinensis.
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Four hitherto unknown polysubstituted isoflavonoids, including three isoflavans: 7,4'-dihydroxy-8,2',3'-trimethoxyisoflavan (1), 7,2',4'-trihydroxy-8,3'-dimethoxyisoflavan (2), and 7,2',4'-trihydroxy-5-methoxyisoflavan (3), and one prenylated isoflavone cudraisoflavone M (4) were isolated from the
Cytotoxic activity of selected West Indian medicinal plants against a human leukaemia cell line.
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OBJECTIVE
To assess the cytotoxic activities of crude extracts and solvent fractions of Spermacoce verticillata, Ficus pumila and Flemingia strobilifera against a MT-4 human leukaemia cancer cell line.
METHODS
Crude extracts of dried leaves of S verticillata, F pumila and F strobilifera were made by
A new flavanocoumarin from the root of Flemingia philippinensis.
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One new flavanocoumarin, flemicoumarin A (1) was isolated from the EtOAc-soluble partition of the root of Flemingia philippinensis, along with three known compounds, namely 4,2'-epoxy-4',5-dihydroxy-7,5'-dimethoxy-3-phenylcoumarin (2), kaempferol 6-C-glucoside (3) and dracocephaloside (4). The
Chemical Composition of Roots Flemingia philippinensis and Their Inhibitory Kinetics on Aromatase.
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Aromatase is the key enzyme responsible for catalyzing the conversion of C19 steroids to estrogens. Its inhibitors are widely used in breast cancer therapy. The CH2 Cl2 partition of a crude ethanolic extract from the roots of Flemingia philippinensis showed potent inhibitory activity of aromatase.
Effects of auriculasin on vascular endothelial growth factor (VEGF)-induced angiogenesis via regulation of VEGF receptor 2 signaling pathways in vitro and in vivo.
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Angiogenesis plays an important role in various pathological conditions such as cancer via excessive delivery of oxygen and nutrients. Recent studies have demonstrated that understanding the molecular basis of natural agents in angiogenesis is critical for the development of promising cancer
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