Abstract
In order to develop new anti-inflammatory agents having different action mechanisms compared with nonsteroidal and steroidal anti-inflammatory drugs, the culture broths of various actinomycetes isolated from soil were screened using anin vivo mouse ear edma assay and one strain (Streptomyces sp. MT 2705-4: KCTC 8651P) was selected. Activity-guided purification led to the isolation of a polyether compound, dianemycin. Topically, dianemycin showed a potent anti-inflammatory activity in mouse ear edema induced by croton-oil or arachidonic acid. ED50 value of dianemycin was found to be 0.8 mg/ear compared to 0.4 mg/ear of prednisolone in croton-oil ear edema. However, dianemycin did not show the inhibitory activity in UV-erythema and delayed hypersensitivity reaction. These results indicate that dianemycin is a potential topical anti-inflammatory agent.
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Lee, S.J., Kim, H.P., Park, B.K. et al. Topical anti-inflammatory activity of dianemycin isolated fromStreptomyces sp. MT 2705-4. Arch. Pharm. Res. 20, 372–374 (1997). https://doi.org/10.1007/BF02976203
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DOI: https://doi.org/10.1007/BF02976203