Abstract
Twenty-six trichothecene mycotoxins produced by Fusarium sporotrichioides (MC-72083) and Fusarium sambucinum were screened for relative cytotoxicity in cultured baby hamster kidney (BHK-21) cells. The relative cytotoxicity was measured as LC100. The most cytotoxic trichothecenes were T-2 toxin (5 ng/ml) and the recently isolated 4-propanoyl HT-2 (5 ng/ml) and 3′-hydroxy T-2 toxin (5 ng/ml). T-2 tetraol (1 × 104 ng/ml), 8-β-hydroxytrichothecene (1 × 104 ng/ml), sporotrichiol (2 × 104 ng/ml), 8-oxodiacetoxyscirpenol (6 × 104 ng/ml) and 8-acetyl T-2 tetraol (1 × 105 ng/ml) were the least toxic of the regular trichothecenes. None of the modified trichothecenes or the apotrichothecene were very cytotoxic: 8-β-hydroxysambucoin (2 × 103 ng/ml), FS-1 (5 × 103 ng/ml), 8-α-hydroxysambucoin (8 × 104 ng/ml) and trichotriol (1 × 105 ng/ml). The modified trichothecenes, FS-2 and FS-3, were not toxic even at 1 × 105 ng/ml. The baby hamster kidney cell bioassay proved to be a very sensitive and reproducible means of screening new trichothecene mycotoxins for relative cytotoxicity.
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Senter, L.H., Sanson, D.R., Corley, D.G. et al. Cytotoxicity of trichothecene mycotoxins isolated from Fusarium sporotrichioides (MC-72083) and Fusarium sambucinum in baby hamster kidney (BHK-21) cells. Mycopathologia 113, 127–131 (1991). https://doi.org/10.1007/BF00442425
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DOI: https://doi.org/10.1007/BF00442425