Abstract
Mollugin originally isolated from Rubia cordifolia is a pharmacological compound for its anti-inflammation, anti-cancer, and anti-viral activity. In the present study, a cocktail probe assay was performed for determination of the selective inhibitory effect of mollugin on cytochrome P450 (CYP) enzymes in human liver microsomes (HLM). Incubation of isoform-specific substrate probes CYPs with mollugin (0-25μM) in HLM resulted in strong inhibition of CYP1A2-catalyzed phenacetin O-deethylation, showing IC50 values of 1.03 and 3.55μM without and with pre-incubation, respectively. Mollugin-caused inhibition of phenacetin O-deethylation was concentration-dependent in HLMs, but not time-dependent. In addition, the Lineweaver-Burk plot indicated a typical competitive inhibition. Inhibitory effects of mollugin on human recombinant cDNA-expressed CYP1A1 and 1A2 were comparable. Taken together, the results suggested that mollugin might cause herb-drug interaction through selective inhibition of CYP1A2 in humans receiving herbal medications, including R. cordifolia.
| Original language | English |
|---|---|
| Pages (from-to) | 33-37 |
| Number of pages | 5 |
| Journal | Food and Chemical Toxicology |
| Volume | 51 |
| Issue number | 1 |
| DOIs | |
| State | Published - Jan 2013 |
| Externally published | Yes |
UN SDGs
This output contributes to the following UN Sustainable Development Goals (SDGs)
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SDG 3 Good Health and Well-being
Keywords
- Cytochrome P450
- Herb-drug interaction
- Inhibition
- Mollugin
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