fr 901235

FR-901235 is an immunoactive substance produced by an imperfect fungus, Paecilomyces carneus F-4882. FR-901235 restores the mitogen-induced lymphocyte proliferation to a normal level, which has been suppressed by addition of immunosuppressive factor.

9-Demethyl FR-901235 FR-901235 的去甲基形式，FR-901235 是一种免疫活性物质。