The search for novel drug leads for predominately antitumor therapies by utilizing mother nature's pharmacophoric libraries

Recent advances in the use of natural products and compounds derived from natural products as agents for the treatment of cancer and other diseases are reviewed. The antitumor agents discussed include tubulin interactive agents, inhibitors of topoisomerases I and II, caspase activators, proteasome inhibitors, histone deacetylase inhibitors, heat shock protein 90 inhibitors, protein kinase inhibitors, and inhibitors of hypoxia inducible factor 1. It can be concluded that, despite a perceived lack of popularity in recent years, the use of natural product scaffolds in searching for drug leads is still being practiced

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