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    XXX was mutagenic in the Ames test, increasing the number of
revertants to 4 to 9 times the control values in Salmonella typhimurium TA98, TA100,
TA1535 and TA1538. The maximum effects were obtained with concentrations between
20 and 500 ¦Ìg per plate . It could be shown in strain TA1535 that the mutagenicity
was markedly reduced by the addition of S9 mix .
    XXX  also yielded positive results in the cell transformation test in vitro
(Syrian hamster kidney cells, human lung fibroblasts or human liver cells) and in the
degranulation of the rough endoplasmic reticulum of isolated rat liver cells , in the
sebaceous gland test on mouse skin  and in the tetrazolium reduction test on mouse
skin . (The relevance of these latter three tests is not clear.) In the host-mediated assay
(mouse) XXX (106 mg/kg i.m. or 138 mg/kg p.o.) proved to be clearly
mutagenic in the S. typhimurium strains TA1530, TA1535 and TA1538 .
    ÕâЩÔÚÎÒ¿´À´¶¼ÊÇһЩʵÑéÊý¾Ý£¬²¢²»ÄÜÃ÷È·µÄ˵Ã÷´ËÎïÖʵ;ÐÔÔÚʲôˮƽ£¬ÓÐÄÄλ´óϺÄܰïæ½âÊÍÒ»ÏÂÕâЩÊý¾ÝµÄÈ·Çк¬ÒåÂð£¿
    ÁíÍ⣬µ½Ä¿Ç°ÎªÖ¹ÎÒËùÕÒµ½¹ØÓÚ´ËÎïÖÊÃèÊöÖÐÓÐÈ·ÇзÖÀàµÄÊÇÕâ¾ä»° XXX is classified in Section III B of the MAK List
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