3H TdR was added 18 h before the end of culture. Immune response and the antigen presenting action of Kupffer cells were analysis by lymphocyte transformation test (LTT).

• 终止培养前 18h加入氚标记胸腺嘧啶核苷 (3H- Td R) ,通过淋巴细胞转化试验 (L TT)分析机体吸入氟烷后诱导免疫应答过程中 Kupffer细胞的抗原递呈作用。