The research on the anti-tumor effect of water decoction of He Tao Shu Zhi on S180-bearing mice.

Water decoction of He Tao Shu Zhi could elevate IL-2 and lower IL-4 level in peripheral blood, increase the expression of CD4+ T cell, and lower the expression of CD8+ T cell, which indicated that He Tao Shu Zhi could exert its anti-tumor effect through regulating abnormal immune state.

--Yu xiaohong, et al. Tian Jin Zhong Yi Yao. 2006; 23(5): 420-422..