Natural Products CARE(NPCARE), a database for Natural Products-CAncer gene REgulation, provides the level of gene expression and the inhibition of cencer cells in various cancer types by the effect of extract and Natural compounds from more than 2000 native species including plants, marine species and microorganisms. 700 genes and 1100 cancer cell lines annotated by expert enable users to gain insight into finding potential anti-cancer drugs and understanding the mechanism of Natural products for cancer treatment. For further information about the study please contact Choi et al.