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Puslapis 1 nuo 968 rezultatus
Flavones and flavonols may have clinical potential as CK2 inhibitors in cancer therapy.
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The serine-threonine kinase CK2, which targets over 300 cellular proteins, is overexpressed in all cancers, presumably reflecting its ability to promote proliferation, spread, and survival through a wide range of complementary mechanisms. Via an activating phosphorylation of Cdc373, a co-chaperone
Polymethoxylated Flavones Target Cancer Stemness and Improve the Antiproliferative Effect of 5-Fluorouracil in a 3D Cell Model of Colorectal Cancer.
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Polymethoxylated flavones (PMFs) from citrus fruits are reported to present anticancer potential. However, there is a lack of information regarding their effect on cancer stem cell (CSC) populations, which has been recognized as responsible for tumor initiation, relapse, and chemoresistance. In this
Long-term effects of flavone acetic acid on the growth of a rat tumour.
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A rat tumour (MC7 sarcoma), growing subcutaneously, has been shown to be sensitive to a single application of flavone acetic acid. Thirteen rats were still alive after 50 days and 8 of these were tumour free, as compared with control rats which survived for 15.7 +/- 2.53 days. The 8 tumour free
Flavone acetic acid (NSC 347512)-induced modulation of murine tumor physiology monitored by in vivo nuclear magnetic resonance spectroscopy.
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Flavone acetic acid (FAA), a new drug with broad activity against transplanted solid tumors of mice, induces nonrepairable DNA single strand breaks that correlate with therapeutic efficacy. To test the hypothesis that the inability of the cells to repair single strand breaks is associated with a
Flavone constituents of Phlomis bruguieri Desf. with cytotoxic activity against MCF-7 breast cancer cells.
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Phlomis bruguieri (P. bruguieri) is a large genus in the Lamiaceae family, with a wide variety distributed in Euro-Asia, Central Asia, Iran, and China. Phlomis flowers have been used as herbal tea for gastrointestinal disturbances, protection of liver and cardiovascular systems. The aim of this
Inhibition of cell proliferation, induction of apoptosis, reactivation of DLC1, and modulation of other gene expression by dietary flavone in breast cancer cell lines.
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BACKGROUND
Dietary flavone was previously shown to increase the expression of deleted in liver cancer-1 gene (DLC-1) in HT-29 colon carcinoma cell line [Herzog A, Kindermann B, Doring F, Daniel H, Wenzel U. Pleiotropic molecular effects of the pro-apoptotic dietary constituent flavone in human colon
[Effects of flavone from leaves of Diospyros kaki on expression of apoptosis signal-regulating kinase 1 and rat vascular smooth muscle cells proliferation by tumor necrosis factor alpha in vitro].
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OBJECTIVE
To observe the effects of flavone from leaves of Diospyros kaki on expression of apoptosis signal-regulating kinase 1 (ASK1) and rat vascular smooth muscle cells (VSMCs) proliferation by tumor necrosis factor alpha in vitro.
METHODS
Rat aortic VSMCs were cultured in vitro and treated with
Anti-neoplastic activity of two flavone isomers derived from Gnaphalium elegans and Achyrocline bogotensis.
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Over 4000 flavonoids have been identified so far and among these, many are known to have antitumor activities. The basis of the relationships between chemical structures, type and position of substituent groups and the effects these compounds exert specifically on cancer cells are not completely
Antimetastatic potentials of flavones on oral cancer cell via an inhibition of matrix-degrading proteases.
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OBJECTIVE
Oral squamous cell carcinoma (OSCC) is one of the most common head and neck cancers with a poor prognosis due to frequent lymph node metastasis and local invasion. A growing number of in vitro studies have been conducted on the potential anticancer activity of flavonoids in various cancer
Flavone acetic acid potentiates the induction of endothelial procoagulant activity by tumour necrosis factor.
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Treatment of human umbilical vein endothelial cells with flavone acetic acid (FAA) at 800 micrograms/ml for 4 h resulted in a 3-11-fold increase in procoagulant activity. This increase was due to enhanced tissue factor expression on the endothelial cell surface, as evidenced by the blocking of the
In vivo effects of tumor necrosis factor-alpha or flavone acetic acid in combination with doxorubicin on multidrug-resistant B16 melanoma.
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Having observed that tumor necrosis factor (TNF)-alpha and doxorubicin (DXR) produce a synergistic inhibition of melanoma B16 and also of its multidrug resistant (MDR) variant in vitro, we tested whether this interaction would occur in vivo as well. C57BL/6 mice with s.c. tumors were treated with
Enhancement of chlorambucil cytotoxicity by combination with flavone acetic acid in a murine tumour.
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Previous studies using murine tumours have shown enhanced action of certain chemotherapeutic compounds when combined with agents that reduce tumour blood flow. In the majority of cases the compounds used were cytotoxic to the induced hypoxic cells but in this study we have investigated the relative
Flavones inhibit the proliferation of human tumor cancer cell lines by inducing apoptosis.
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Dietary flavonoids have been shown to exert specific cytotoxicity toward some cancer cells, but the precise molecular mechanisms are still not completely understood. In this study, cytotoxic effects of flavones (apigenin and luteolin) on two different cancer cell lines, including human chronic
Targeting CDK9 by wogonin and related natural flavones potentiates the anti-cancer efficacy of the Bcl-2 family inhibitor ABT-263.
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Tumor initiation, progression and resistance to therapies are tightly associated with over-expression of anti-apoptotic proteins Bcl-2, Bcl-x(L), Bcl-w and Mcl-1. ABT-263 (Navitoclax), an orally bio-available small-molecule mimetic of the Bcl-2 homology domain 3, inhibits Bcl-2, Bcl-x(L), and Bcl-w
[Flavone compound induces the apoptosis of prostate cancer cells].
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Flavone compound is a polyphenolic compound widely existing in plants and has an extensive biological activity. In recent years, it has been found to have a significant anti-cancer effect, as in combating cell proliferation, inducing cell apoptosis, interfering with cellular signal transduction,
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