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Seite 1 von 25 Ergebnisse
Coffee diterpenes kahweol acetate and cafestol synergistically inhibit the proliferation and migration of prostate cancer cells.
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Cafestol overcomes ABT-737 resistance in Mcl-1-overexpressed renal carcinoma Caki cells through downregulation of Mcl-1 expression and upregulation of Bim expression.
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Although ABT-737, a small-molecule Bcl-2/Bcl-xL inhibitor, has recently emerged as a novel cancer therapeutic agent, ABT-737-induced apoptosis is often blocked in several types of cancer cells with elevated expression of Mcl-1. Cafestol, one of the major compounds in coffee beans, has been reported
Cafestol, a coffee diterpene, inhibits urotensin II-induced interleukin-8 expression in human umbilical vein endothelial cells.
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Cafestol, a diterpene molecule found in the berries of Coffea arabica L. (Rubiaceae), has been shown to exercise anti-angiogenic and anti-tumorigenic effects. However, cafestol's cellular mechanism has yet to be fully investigated. We previously demonstrated that urotensin II enhanced interleukin-8
Inhibition of neoplasia by minor dietary constituents.
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Food contains a large number of inhibitors of carcinogenesis, including phenols, indoles, aromatic isothiocyanates, methylated flavones, coumarins, plant sterols, selenium salts, protease inhibitors, ascorbic acid, tocopherols, retinol, and carotenes. The diversity and widespread occurrence of these
Antiangiogenic properties of cafestol, a coffee diterpene, in human umbilical vein endothelial cells.
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As angiogenesis plays important roles in tumor growth and metastasis, searching for antiangiogenic compounds is a promising tactic for treating cancers. Cafestol, a diterpene found mainly in unfiltered coffee, provides benefit through varied biological activity, including antitumorigenic,
Effect of the coffee ingredient cafestol on head and neck squamous cell carcinoma cell lines.
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OBJECTIVE
Cafestol is a diterpene molecule found in coffee beans and has anticarcinogenic properties. The aim of the study was to examine the effects of cafestol in head and neck squamous cell carcinoma (HNSCC) cells.
METHODS
Three HNSCC cell lines (SCC25, CAL27 and FaDu) were treated with
Coffee and its chemopreventive components Kahweol and Cafestol increase the activity of O6-methylguanine-DNA methyltransferase in rat liver--comparison with phase II xenobiotic metabolism.
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A lower rate of colon cancer was observed in consumers of coffee with a high content of the diterpenes Kahweol and Cafestol (K/C). In animal models, K/C have been found to protect against the mutagenic/carcinogenic effects of compounds such as 2-amino-1-methyl-6-phenylimidazo[4,5-b]pyridine (PhIP),
[Coffee in Cancer Chemoprevention].
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Coffee consumption is associated with a reduced risk of several diseases including cancer. Its chemopreventive effect has been studied in vitro, in animal models, and more recently in humans. Several modes of action have been proposed, namely, inhibition of oxidative stress and damage, activation of
The coffee components kahweol and cafestol induce gamma-glutamylcysteine synthetase, the rate limiting enzyme of chemoprotective glutathione synthesis, in several organs of the rat.
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The coffee components kahweol and cafestol (K/C) were reported to be protective against mutagenic damage by heterocylic amines and aflatoxin B1 in the rat, while in humans the consumption of coffee with a high K/C content was associated with a lower rate of colon tumors. An important mechanism of
Modification of N-acetyltransferases and glutathione S-transferases by coffee components: possible relevance for cancer risk.
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Enzymes of xenobiotic metabolism are involved in the activation and detoxification of carcinogens and can play a pivotal role in the susceptibility of individuals toward chemically induced cancer. Differences in such susceptibility are often related to genetically predetermined enzyme polymorphisms
Natural diterpenes from coffee, cafestol and kahweol induce apoptosis through regulation of specificity protein 1 expression in human malignant pleural mesothelioma.
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BACKGROUND
Malignant pleural mesothelioma (MPM) is a highly aggressive cancer with a very poor prognosis. Several clinical studies such as immunotherapy, gene therapy and molecular targeting agents have been tried for treatment of malignant mesothelioma, however, there is no application for
Cafestol and Kahweol: A Review on Their Bioactivities and Pharmacological Properties.
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Cafestol and kahweol are natural diterpenes extracted from coffee beans. In addition to the effect of raising serum lipid, in vitro and in vivo experimental results have revealed that the two diterpenes demonstrate multiple potential pharmacological actions such as anti-inflammation,
Cafestol, a coffee-specific diterpene, induces apoptosis in renal carcinoma Caki cells through down-regulation of anti-apoptotic proteins and Akt phosphorylation.
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Cafestol, one of the major compounds in coffee beans, has been reported for its tumor cell growth inhibitory activity and anti-carcinogenic activity, although the mechanism of action is poorly understood. In the present study, we investigated the effect of cafestol on the apoptotic pathway in human
Cafestol and kahweol, two coffee specific diterpenes with anticarcinogenic activity.
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Epidemiological studies have found an inverse association between coffee consumption and the risk of certain types of cancers such as colorectal cancers. Animal data support such a chemopreventive effect of coffee. Substantial research has been devoted to the identification of coffee components that
Inhibition of carcinogenesis by some minor dietary constituents.
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Previous work has shown that food contains a large number of minor dietary constituents that can inhibit the occurrence of cancer. Additional inhibitors from four different natural sources will be the subject of this presentation. 1. Citrus fruit oils. Orange, tangerine, lemon, and grapefruit oils
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