Assessment of the antimutagenic effects of aqueous extracts from herbal medicines against N-Alkyl-N-nitrosoureas-induced mutagenicity using the umu test

Keiko Inami, Masashi Takada, Kei Itoh, Satoko Ishikawa, Masataka Mochizuki

研究成果: Article

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Carcinogenic N-methyl-N-nitrosourea (MNU) has been reported to be formed in vivo and suspected to be a causative agent for human cancer. Therefore, for cancer chemoprevention it is important to find compounds which inhibit N-alkyl-N-nitrosoureas-induced mutagenicity. The inhibitory effect of plant extracts against MNU mutagenicity was evaluated using the umu test. Among thirty aqueous extracts, derived from medicinal plants, seventeen extracts inhibited N-alkyl-N-nitrosoureas-induced mutagenicity using Salmonella typhimurium TA1535/pSK1002. Nine aqueous extracts; Astragalus Root, Bupleurum Root, Cimicifuga Rhizome, Cnidium Rhizome, Glycyrrhiza, Paony Root, Polygonatum Rhizome, Poria Sclerotium, and Processed Ginger, moderately inhibited N-alkyl-N-nitrosoureas-induced mutagenicity (IC50 > 7.0 mg/mL), and eight aqueous extracts; Cinnamon Bark, Cinnamon Twig, Dodder Seed, Malaytea Scurfpea Fruit, Phellodendron Bark, Prunella Spike, Scisandra Fruit, and Suberect spatholobus Stem strongly inhibited N-alkyl-N-nitrosoureas-induced mutagenicity (IC50 < 7.0 mg/mL) in Salmonella typhimurium TA1535/pSK1002. An aqueous extract from Suberect spatholobus Stem showed the most potent antimutagenic effects against N-alkyl-N-nitrosoureas.

元の言語English
ページ(範囲)33-38
ページ数6
ジャーナルGenes and Environment
36
発行部数2
DOI
出版物ステータスPublished - 2014

Fingerprint

Antimutagenic Agents
Rhizome
Herbal Medicine
mutagenicity
Cinnamomum zeylanicum
Methylnitrosourea
Plant Extracts
Salmonella typhimurium
rhizome
Inhibitory Concentration 50
Phellodendron
Polygonatum
Cnidium
Fruit
Prunella
Cuscuta
Poria
Cimicifuga
plant extract
Bupleurum

ASJC Scopus subject areas

  • Genetics
  • Environmental Science (miscellaneous)
  • Social Psychology

これを引用

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abstract = "Carcinogenic N-methyl-N-nitrosourea (MNU) has been reported to be formed in vivo and suspected to be a causative agent for human cancer. Therefore, for cancer chemoprevention it is important to find compounds which inhibit N-alkyl-N-nitrosoureas-induced mutagenicity. The inhibitory effect of plant extracts against MNU mutagenicity was evaluated using the umu test. Among thirty aqueous extracts, derived from medicinal plants, seventeen extracts inhibited N-alkyl-N-nitrosoureas-induced mutagenicity using Salmonella typhimurium TA1535/pSK1002. Nine aqueous extracts; Astragalus Root, Bupleurum Root, Cimicifuga Rhizome, Cnidium Rhizome, Glycyrrhiza, Paony Root, Polygonatum Rhizome, Poria Sclerotium, and Processed Ginger, moderately inhibited N-alkyl-N-nitrosoureas-induced mutagenicity (IC50 > 7.0 mg/mL), and eight aqueous extracts; Cinnamon Bark, Cinnamon Twig, Dodder Seed, Malaytea Scurfpea Fruit, Phellodendron Bark, Prunella Spike, Scisandra Fruit, and Suberect spatholobus Stem strongly inhibited N-alkyl-N-nitrosoureas-induced mutagenicity (IC50 < 7.0 mg/mL) in Salmonella typhimurium TA1535/pSK1002. An aqueous extract from Suberect spatholobus Stem showed the most potent antimutagenic effects against N-alkyl-N-nitrosoureas.",
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AU - Ishikawa, Satoko

AU - Mochizuki, Masataka

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AB - Carcinogenic N-methyl-N-nitrosourea (MNU) has been reported to be formed in vivo and suspected to be a causative agent for human cancer. Therefore, for cancer chemoprevention it is important to find compounds which inhibit N-alkyl-N-nitrosoureas-induced mutagenicity. The inhibitory effect of plant extracts against MNU mutagenicity was evaluated using the umu test. Among thirty aqueous extracts, derived from medicinal plants, seventeen extracts inhibited N-alkyl-N-nitrosoureas-induced mutagenicity using Salmonella typhimurium TA1535/pSK1002. Nine aqueous extracts; Astragalus Root, Bupleurum Root, Cimicifuga Rhizome, Cnidium Rhizome, Glycyrrhiza, Paony Root, Polygonatum Rhizome, Poria Sclerotium, and Processed Ginger, moderately inhibited N-alkyl-N-nitrosoureas-induced mutagenicity (IC50 > 7.0 mg/mL), and eight aqueous extracts; Cinnamon Bark, Cinnamon Twig, Dodder Seed, Malaytea Scurfpea Fruit, Phellodendron Bark, Prunella Spike, Scisandra Fruit, and Suberect spatholobus Stem strongly inhibited N-alkyl-N-nitrosoureas-induced mutagenicity (IC50 < 7.0 mg/mL) in Salmonella typhimurium TA1535/pSK1002. An aqueous extract from Suberect spatholobus Stem showed the most potent antimutagenic effects against N-alkyl-N-nitrosoureas.

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