Abstract:Columbin (CLB) is a diterpenoid furanolactone compound
occurring
in some herbal medicines. Administration of CLB has been reported
to induce liver injury. The reported CLB hepatotoxicity is suggested
to require metabolism to a cis-enedial intermediate.
We successfully detected hepatic protein adduction resulting from
the metabolic activation of CLB and found that the intermediate reacted
with lysine residues or lysine/cysteine residues to produce the corresponding
pyrroline derivative or pyrrole derivative. Th… Show more
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