Cudratricusxanthone G inhibits human colorectal carcinoma cell invasion by MMP-2 down-regulation through suppressing activator protein-1 activity - Kuang, L; Wang, L; Wang, Q; Zhao, Q; Du, B; Li, D; Luo, J; Liu, M; Hou, A; Qian, M (Biochem Pharmacol, 2011)