Antitumor agent, method for producing antitumor agent, pharmaceutical composition containing antitumor agent, and antitumor agent-producing bacterium

摘要

Achieves selective enhancement that acts only on cancer cells, reduction of side effects, overcoming drug resistance, etc., and overexpresses human small cell lung cancer Ms-1 cells and apoptosis inhibitory protein Bcl-2 or Bcl-XL An object of the present invention is to provide an antitumor agent having an activity of inducing cell death in human small cell lung cancer Ms-1 / Bcl-2 cells and Ms-1 / Bcl-XL cells. The present invention is an antitumor agent characterized by being either a compound represented by the following general formula or a derivative thereof. In the above general formula, R represents a hydrogen atom or an alkyl group.