Mutagenicity of comfrey (Symphytum Officinale) in rat liver.

Abstract:

:Comfrey is a rat liver toxin and carcinogen that has been used as a vegetable and herbal remedy by humans. In order to evaluate the mechanisms underlying its carcinogenicity, we examined the mutagenicity of comfrey in the transgenic Big Blue rat model. Our results indicate that comfrey is mutagenic in rat liver and the types of mutations induced by comfrey suggest that its tumorigenicity results from the genotoxicity of pyrrolizidine alkaloids in the plant.

journal_name

Br J Cancer

authors

Mei N,Guo L,Fu PP,Heflich RH,Chen T

doi

10.1038/sj.bjc.6602420

subject

Has Abstract

pub_date

2005-03-14 00:00:00

pages

873-5

issue

5

eissn

0007-0920

issn

1532-1827

pii

6602420

journal_volume

92

pub_type

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