phenethyl isothiocyanate/koruza

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Phenethyl isothiocyanate modulates clastogenicity of mitomycin C and cyclophosphamide in vivo.

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Prijava / prijava

Phenethyl isothiocyanate (PEITC), a constituent of many cruciferous vegetables, is an effective chemopreventive agent against N-nitrosamine-induced carcinogenesis. We have investigated the extent to which PEITC modulates the clastogenicity of standard genotoxicants, mitomycin C and cyclophosphamide,

The effects of phenethyl isothiocyanate on benzo[a]pyrene-induced tumors and DNA adducts in A/J mouse lung.

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Prijava / prijava

The effects of phenethyl isothiocyanate (PEITC) on benzo[a]pyrene (B[a]P)-induced DNA adducts and pulmonary adenomas in A/J mice were investigated. Groups of 24 male and 24 female A/J mice were administered PEITC by gavage at doses of 0.075, 0.25, 0.50, and 0.75 mmol/kg (12, 41, 82, 122 mg/kg) for 6

Chemopreventive effects of phenethyl isothiocyanate on lung and pancreatic tumorigenesis in N-nitrosobis(2-oxopropyl)amine-treated hamsters.

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Prijava / prijava

The chemopreventive effects of phenethyl isothiocyanate (PEITC) were investigated in N-nitrosobis(2-oxopropyl)-amine (BOP)-treated hamsters. Female 5-week-old Syrian golden hamsters were divided into six groups. Animals in groups 1-3, each consisting of 30 hamsters, were given BOP by two

Disposition and pharmacokinetics of phenethyl isothiocyanate and 6-phenylhexyl isothiocyanate in F344 rats.

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Prijava / prijava

Naturally occurring phenethyl isothiocyanate (PEITC) and its synthetic homolog 6-phenylhexyl isothiocyanate (PHITC) are both effective inhibitors of 4-(methylnitrosamino)-1-(3-pyridyl)-1-butanone-induced lung tumor development in A/J mice and F344 rats. To help explain why PHITC is considerably more

The effects of phenethyl isothiocyanate, N-acetylcysteine and green tea on tobacco smoke-induced lung tumors in strain A/J mice.

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Prijava / prijava

Male and female strain A/J mice were exposed to a mixture of cigarette sidestream and mainstream smoke at a chamber concentration of total suspended particulates of 82.5 mg/m3. Exposure time was 6 h/day, 5 days/week for 5 months. The animals were allowed to recover for another 4 months in filtered

Structure-activity relationships of isothiocyanates as mechanism-based inhibitors of 4-(methylnitrosamino)-1-(3-pyridyl)-1-butanone-induced lung tumorigenesis in A/J mice.

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Prijava / prijava

A structure-activity relationship study was carried out to identify structural features in arylalkyl and alkyl isothiocyanates that are associated with the inhibitory potency of these compounds against lung tumorigenesis induced in A/J mice by the tobacco-specific nitrosamine

Effect of frequency of isothiocyanate administration on inhibition of 4-(methylnitrosamino)-1-(3-pyridyl)-1-butanone-induced pulmonary adenoma formation in A/J mice.

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Prijava / prijava

The abilities of phenethyl isothiocyanate (PEITC) and 6-phenylhexyl isothiocyanate (PHITC) to inhibit 4-(methylnitrosamino)-1-(3-pyridyl)-1-butanone (NNK)-induced lung tumorigenicity, when administered by a standard four-dose protocol or by a single-dose protocol, were determined. Corn oil or

Effects of alkyl chain length on the inhibition of NNK-induced lung neoplasia in A/J mice by arylalkyl isothiocyanates.

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Prijava / prijava

Six homologous arylakyl isothiocyanates were evaluated for their abilities to inhibit pulmonary adenomas induced by the tobacco-specific nitrosamine 4-(methylnitrosamino)-1-(3-pyridyl)-1-butanone (NNK) in A/J mice. Four consecutive daily doses (5 mumol/mouse) of phenyl isothiocyanate (PITC), benzyl

Modifying effects of 4-phenylbutyl isothiocyanate on N-nitrosobis(2-oxopropyl)amine-induced tumorigenesis in hamsters.

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Prijava / prijava

The modifying effects of dietary 4-phenylbutyl isothiocyanate (PBITC), given during the initiation stage of carcinogenesis, were investigated in hamsters treated with N-nitrosobis(2-oxopropyl)amine (BOP). A total of 120 female 5-week-old hamsters were divided into six groups. Animals in groups 1-3,

Rapid in vivo assay for topical oral cancer chemopreventive agents.

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Prijava / prijava

The cancer chemopreventive effect of topically applied phenethyl isothiocyanate (PEIT) was examined in a hamster buccal pouch model, in which squamous cell carcinomas (SCC) are induced at high frequency, by topical application of N-methyl-N-benzylnitrosamine (MBN). The buccal pouches of eleven

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