Abstract |
Monascorubrin (an azaphilone derivative) was isolated from Monascus anka, 'Monascus pigment', a natural pigment of food additivies, was extracted from Monasucs spp., and chaetoviridin A, one of the azaphilones, was isolated from Chaetomium globosum var. flavo-viridae. Application of 1 microgram of 12-O-tetradecanoylphorbol-13-acetate (TPA), a tumor promoting agent, to the mouse ear resulted in induction of inflammation. Among monascorubrin and related compounds assayed, monascorubrin, chaetoviridin A and its related compounds inhibited the inflammatory activity of TPA in mice. The 50% inhibitory dose of these compounds for TPA-induced inflammation was 0.4-1.5 mumol. Furthermore, monascorubrin (2 mumol), chaetoviridin A (2 mumol) and Monascus pigment (1 mg) markedly suppressed the promoting effect of TPA (1 microgram) on skin tumor formation in mice initiated with 7,12-dimethylbenz[a] anthracene (50 micrograms). It is assumed that the inhibition of tumor promotion by monascorubrin, chaetoviridin A and Monascus pigment is due to anti-inflammatory activity.
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Authors | K Yasukawa, M Takahashi, S Natori, K Kawai, M Yamazaki, M Takeuchi, M Takido |
Journal | Oncology
(Oncology)
1994 Jan-Feb
Vol. 51
Issue 1
Pg. 108-12
ISSN: 0030-2414 [Print] Switzerland |
PMID | 8265094
(Publication Type: Journal Article)
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Chemical References |
- Anticarcinogenic Agents
- Benzopyrans
- 9,10-Dimethyl-1,2-benzanthracene
- Dinitrofluorobenzene
- Tetradecanoylphorbol Acetate
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Topics |
- 9,10-Dimethyl-1,2-benzanthracene
(toxicity)
- Animals
- Anticarcinogenic Agents
(pharmacology)
- Benzopyrans
(pharmacology)
- Dinitrofluorobenzene
(toxicity)
- Female
- Hypersensitivity, Delayed
- Inflammation
- Mice
- Mice, Inbred ICR
- Skin Neoplasms
(chemically induced, prevention & control)
- Tetradecanoylphorbol Acetate
(toxicity)
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