AS-186 compounds, new inhibitors of acyl-CoA: cholesterol acyltransferase from Pencillium asperosporum KY1635.

The Journal of Antibiotics
1994.0

Abstract

AS-186a, b, c, d, and g were isolated from the cultured broth of Penicillium asperosporum KY1635 as inhibitors of acyl-CoA: cholesterol acyltransferase (ACAT). IC50 values for the effect of AS-186a, b, c, d, and g against ACAT activity of the microsomes from cholesterol-fed rabbit liver were calculated to be 22.9, 8.2, 11.5, 12.4, and 13.9 microM, respectively. Although AS-186a, and b were identical to penicillide and purpactin A, respectively, AS-186c, d, and g were found to be new compounds.

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