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J Antibiot (Tokyo). 1999 Jun;52(6):525-30.

Scyphostatin, a neutral sphingomyelinase inhibitor from a discomycete, Trichopeziza mollissima: taxonomy of the producing organism, fermentation, isolation, and physico-chemical properties.

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  • 1Biological Research Laboratories, Sankyo Co., Ltd., Tokyo, Japan.


We performed experiments to screen for neutral sphingomyelinase inhibitors using rat brain microsomes as an enzyme source. Among more than 10,000 microbial extracts tested, a mycelial extract of Trichopeziza mollissima SANK 13892 exhibited potent inhibitory activity. The active compound, scyphostatin, was purified by a series of chromatographies. Scyphostatin inhibited the enzyme with an IC50 value of 1.0 microM.

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