Turtle Polypeptide II

Ganoderenic acid B, a natural product derived from Ganoderma lucidum, can work by inhibiting the transport function of ABCB1 and enhancing the cytotoxicity of chemotherapy drugs against AbCB1-mediated multidrug resistant cancer cells.

2-Hydroxyemodin is an active metabolite of emodin in the hepatic microsomes. Emodin is an anthraquinone present in fungal metabolites and constituent of rhubarb. 2-Hydroxyemodin proves to be mutagenic to Salmonella typhimurium TA1537 in the absence of activation system.