Yibin Feng1
, Kwok-Fan Cheung2
, Ning Wang1
, Ping Liu3
, Tadashi Nagamatsu4
and Yao Tong1 
1
School of Chinese Medicine, The University of Hong Kong, 10 Sassoon Road, Pokfulam, Hong Kong, PR China
2
Department of Medicine, The University of Hong Kong, 21 Sassoon Road, Pokfulam, Hong Kong, PR China
3
Department of Cell Biology, Shanghai University of Traditional Chinese Medicine, Shanghai 201203, PR China
4
Department of Pharmacobiology and Therapeutics, Faculty of Pharmacy, Meijo University, 150 Yagotoyama, Tenpakuku, Nagoya 468-8503, Japan