Results showed that 335A remarkably suppressed the transformation of mouse splenocytes stimulated with ConA and alloantigen (MLR). In a dose-dependent profile, the IC 50 was 2.2 and 10ng/ml respectively.

• 结果表明 ；335 A体外对小鼠脾细胞的增殖反应及混合淋巴细胞反应均呈强烈的抑制作用 ；半数抑制浓度 (IC50 )分别为 2 .；2和10 ng/ ml；且是一种特异的 T细胞抑制剂。