… Betulinic acid (BA) is a naturally occurring pentacyclic triterpene that exhibits a variety of
biological activities including potent antitumor properties. This anticancer activity has been …

… with other anticancer drugs, such … natural products presented in this paper are modified by
introduction of the nitroxide residue, which, in many cases, increases their anticancer activity […

… The activity of paclitaxel (Taxol®) was first reported in the 1960's when a crude extract of …
) was evaluated for cytotoxic activity as part of the large natural products screening program of …

… Natural products of terpenoids and steroids also exhibited strong anticancer activity. As shown
in the study by Chen et al., andrographolide, a labdane diterpene isolated from the leaves …

… as a valid strategy for anticancer drug discovery and development. This review focuses on
natural product MDM2 inhibitors, summarizing their biological activities in vitro and in vivo and …

… compounds, our results indicate that in vitro anticancer activities, such as the IC 50 in cell …
other natural products with demonstrated chemopreventive and chemotherapeutic activities, …

… a variety of triterpenoids to act as potential anticancer agents. In the present review, the
anticancer potential is summarized for naturally occurring triterpenoids and their semi-synthetic …

… of novel anticancer drugs is highly desired [58, 59]. Natural products such as resveratrol
play a significant role in cancer treatment [60, 61]. The anticancer activity of resveratrol involves …

… as anticancer candidates 8., 9.. A number of natural product derived anticancer compounds
in late preclinical development and in early clinical trials are briefly discussed in this review. …

… In this review are presented natural products which have … showed important anticancer
activity by exhibiting significantly … ed natural products according to chemical groups and natural …