白芍总甙调节小鼠免疫功能的机理

MECHANISM OF IMMUNOMODULATORY ACTIONS OF TOTAL GLUCOSIDES OF PAEONY IN MICE

用单克隆抗体间接免疫荧光法观察白芍总甙(TGP)调节小鼠免疫功能的部分机理。TGP(5 mg/kg·d^(-1)×8d,ip)拮抗环磷酰胺(Cy)所致小鼠DTH反应增高,与其使L3T4^+/Lyt-2^+细胞比值降低有关;TGP(5mg/kg·d^(-1)×5d,ip)拮抗Cy所致小鼠DTH反应低下及脾细胞抗SRBC溶血素的减少,与其使该比值增高有关。提示TGP对小鼠免疫功能的调节作用与其调节Th/Ts细胞比值有关。

Mechanism of Immunomodulatory actions of total glucosides of paeony ( TGP ) was studied by McAb indirect immunofluorescence. TGP 5 mg/( kg·d ) ip for 8d suppressed DTH, that was enhanced by cyclophosphamide( Cy), and decreased L3T4+/Lyt-2+ 〔 (Th/i)/(Ts /c) 〕 cell ratio in ICR mice .TGP 5 mg/ ( kg·d ) ip for 5d enhanced DTH that was suppressed by Cy, and increased the L3T4+/Lyt-2 + cell ratio in ICR mice. The same dose of TGP ip for 5d promoted the hemolysin production of spleen cells, that was suppressed by Cy, increased the L3T4+/Lyt-2 + cell ratio in BLAB/c mice. The results suggest that immunomodulatory actions of TGP might be brought about by altering Th/Ts cell ratio.