phenylethyl isothiocyanate/vėžys

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Reversibility of proliferative lesions and induction of non-papillary tumors in rat urinary bladder treated with phenylethyl isothiocyanate.

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Phenylethyl isothiocyanate (PEITC), generally thought to be a chemopreventive agent for various kinds of genotoxic carcinogens, has been found to induce rat urinary bladder carcinomas in our laboratory. To cast light on the underlying mechanisms, the reversibility of urothelial proliferative lesions

Effects of phenylethyl isothiocyanate and its metabolite on cell-cycle arrest and apoptosis in LNCaP human prostate cancer cells.

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Cruciferous vegetable consumption is associated with decreased risk of several cancers, including prostate cancer. Gluconasturtiin, one of the predominant glucosinolates in cruciferous vegetables, is hydrolyzed to yield phenylethyl isothiocyanate (PEITC). PEITC absorption and metabolism in humans

Phenylethyl isothiocyanate reverses cisplatin resistance in biliary tract cancer cells via glutathionylation-dependent degradation of Mcl-1.

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Biliary tract cancer (BTC) is a highly malignant cancer. BTC exhibits a low response rate to cisplatin (CDDP) treatment, and therefore, an understanding of the mechanism of CDDP resistance is urgently needed. Here, we show that BTC cells develop CDDP resistance due, in part, to upregulation of

β-phenylethyl isothiocyanate reverses platinum resistance by a GSH-dependent mechanism in cancer cells with epithelial-mesenchymal transition phenotype.

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Platinum (Pt)-based chemotherapy is an important regimen in the clinical treatment of cancer, but development of drug resistance presents a major challenge. One key mechanism involved in resistance to Pt drugs is the decrease of intracellular Pt due to the drug efflux through the glutathione

Inhibition of EGFR signaling in human prostate cancer PC-3 cells by combination treatment with beta-phenylethyl isothiocyanate and curcumin.

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Many naturally occurring compounds, including beta-phenylethyl isothiocyanate (PEITC) and curcumin, exhibit significant anti-cancer chemopreventive effects. In this study, we investigated the combined effects of PEITC and curcumin in PC-3 human prostate cancer cells and in PC-3 cells that were

Sensory acceptable equivalent doses of β-phenylethyl isothiocyanate (PEITC) induce cell cycle arrest and retard the growth of p53 mutated oral cancer in vitro and in vivo.

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High doses of β-phenylethyl isothiocyanate (PEITC), a phytochemical in cruciferous vegetables, are not feasible for consumption due to a strong mouth-tingling effect. This study investigated the anti-cancer effect of PEITC at sensory acceptable doses. In vitro, PEITC was selectively toxic to oral

Barbarea verna as a source of 2-phenylethyl glucosinolate, precursor of cancer chemopreventive phenylethyl isothiocyanate.

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The isolation of gram-amounts of 2-phenylethyl glucosinolate (gluconasturtiin, GST) from Barbarea verna seeds is reported for the first time. This vegetable source was of crucial importance to isolate GST with a high purity grade and in high yield. Indeed, B. verna seeds contain GST as the only

Hydrogen sulfide protects colon cancer cells from chemopreventative agent beta-phenylethyl isothiocyanate induced apoptosis.

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OBJECTIVE Hydrogen sulfide (H(2)S) is a prominent gaseous constituent of the gastrointestinal (GI) tract with known cytotoxic properties. Endogenous concentrations of H(2)S are reported to range between 0.2-3.4 mmol/L in the GI tract of mice and humans. Considering such high levels we speculate

Silencing thioredoxin induces liver cancer cell senescence under hypoxia.

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OBJECTIVE Although thioredoxin 1 (TXN) has pleiotropic cellular functions as a redox-sensitive protein, very little is known about its role in tumor survival and growth under hypoxia. MHCC97H hepatocellular carcinoma cells have a high metastatic potential and high thioredoxin expression levels

Animal models and analytical approaches for understanding the relationships between wine and cancer.

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We used two approaches for studying the relationships between wine consumption, wine composition and cancer In the first approach, a transgenic mouse model of human neurofibromatosis, combined with the use of well-defined, chemically purified diets, showed that red wine contains nonalcoholic

Phenylethyl isothiocyanate induces apoptotic signaling via suppressing phosphatase activity against c-Jun N-terminal kinase.

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Dietary isothiocyanates induce apoptosis in various cancer cell lines through a c-Jun N-terminal kinase (JNK)-dependent mechanism. We found that phenylethyl isothiocyanate (PEITC) was capable of inducing JNK activation and apoptosis in prostate cancer cell lines with distinct p53 statuses. PEITC

Phenylethyl isothiocyanate and its N-acetylcysteine conjugate suppress the metastasis of SK-Hep1 human hepatoma cells.

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Phenylethyl isothiocyanate (PEITC), a hydrolysis compound of gluconasturtiin, is metabolized to N-acetylcysteine (NAC)-PEITC in the body after the consumption of cruciferous vegetables. We observed an inhibitory effect of PEITC and its metabolite NAC-PEITC on cancer cell proliferation, adhesion,

Inhibition of human leukaemia 60 cell growth by mercapturic acid metabolites of phenylethyl isothiocyanate.

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Mercapturic acid pathway metabolites of phenylethyl isothiocyanate inhibited the growth of human leukaemia 60 (HL60) cells in vitro. The adduct with L-cysteine, S-(N-phenylethylthiocarbamoyl)cysteine, was the most potent with strong antileukaemic activity: the median growth inhibitory concentration

Carcinogen-altered genes in rat esophagus positively modulated to normal levels of expression by both black raspberries and phenylethyl isothiocyanate.

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Our recent study identified 2,261 dysregulated genes in the esophagi of rats that received a 1-week exposure to the carcinogen N-nitrosomethylbenzylamine (NMBA). We further reported that 1,323 of these genes were positively modulated to near-normal levels of expression in NMBA-treated animals that

Anti-tumor activity and signaling events triggered by the isothiocyanates, sulforaphane and phenethyl isothiocyanate, in multiple myeloma.

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BACKGROUND Isothiocyanates, a family of phytochemicals found in cruciferous vegetables, have cytotoxic effects against several types of tumor cells. Multiple myeloma is a fatal disease characterized by clonal proliferation of plasma cells in the bone marrow. The growing body of preclinical

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