1983
DOI: 10.1093/carcin/4.9.1169
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On the metabolism of quinoline and isoquinoline: possible molecular basis for differences in biological activities

Abstract: Quinoline is a hepatocarcinogen in mice and rats, a mutagen in Salmonella typhimurium, and induces unscheduled DNA synthesis in primary cultures of rat hepatocytes. In contrast, isoquinoline has not been shown to be genotoxic. The metabolites of quinoline and isoquinoline, as formed in vitro with rat liver homogenate, were identified to investigate possible molecular bases for the differences in their biological activity. The ethyl acetate extractable metabolites of quinoline and isoquinoline were analyzed dir… Show more

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Cited by 47 publications
(22 citation statements)
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“…Further speciation was obtained with a Hewlett Packard 5890 gas chromatograph coupled to a VG 70–250S high‐resolution mass spectrometer (Masslab, U.K.) operated in electron impact ionization mode (75 eV) and by scanning from a mass‐to‐charge ratio ( m/z ) of 50 to 200 in 0.9 s with a resolution of 1,000. Derivatization of extracts with N, O‐bis‐(trimethyl‐silyl)‐trifluoroacetamide in 1% trimethylchlorsilan was done according to LaVole et al [25] for GC‐MS screening.…”
Section: Methodsmentioning
confidence: 99%
“…Further speciation was obtained with a Hewlett Packard 5890 gas chromatograph coupled to a VG 70–250S high‐resolution mass spectrometer (Masslab, U.K.) operated in electron impact ionization mode (75 eV) and by scanning from a mass‐to‐charge ratio ( m/z ) of 50 to 200 in 0.9 s with a resolution of 1,000. Derivatization of extracts with N, O‐bis‐(trimethyl‐silyl)‐trifluoroacetamide in 1% trimethylchlorsilan was done according to LaVole et al [25] for GC‐MS screening.…”
Section: Methodsmentioning
confidence: 99%
“…The N-hydroxy derivative, normally considered more reactive, was less active (28), and thus, the initiating action might stem from ring epoxidation rather than N-oxidation. With quinoline itself, LaVoie et al (29) noted that the 5,6-epoxide is a possible carcinogenic form. In IQ, the imidazole ring occupies the 5,6-region, which may account for the failure of IQ to act as an initiator.…”
Section: Discussionmentioning
confidence: 99%
“…According to previous reports, the main active components of the centipede were polypeptides, histamines, quinolines, and so on . Among numerous biological active ingredients, isoquinoline alkaloid showed the strong pharmacological effects, including anticancer, antimalarial, anti‐inflammatory, antioxidant, antithrombotic, antimicrobial, and other functions …”
Section: Introductionmentioning
confidence: 99%