[Pharmacological mechanisms of ethyl acetate extraction of Tongbiheji for active T cell signaling molecules].

Aim: To confirm extracts of activity from Traditional Chinese Medicine TongBiHeJi, study effect on two signaling pathways of T cells and clarify the pharmacological mechanisms of TongBiHeJi.

Methods: Concanavalin(ConA) were added successively into rats lymphocytic culture with different extracts of activity from Traditional Chinese Medicine. After 24 hours, CD71 expression rate on rat T lymphocytes activated with ConA was analyzed by flow cytometry.