10.1002/chem.200701057
The research focuses on the design, synthesis, and biological evaluation of potent Tubulysin D analogues, which are known to be exceptionally potent cell-growth inhibitors that induce apoptosis by inhibiting tubulin polymerization. The study aimed to understand the essential features for the cytotoxicity of Tubulysin D and to develop more stable and potentially superior anticancer agents. A series of ten analogues were synthesized and tested against established mammalian cell lines, including cancer cells, using an MTT assay to measure inhibition of cell growth. The experiments involved detailed synthetic procedures, utilization of various reactants such as pentafluorophenol, 1,3-diisopropylcarbodiimide, and acetic anhydride, among others, and analytical techniques like NMR, IR spectroscopy, and high-resolution mass spectrometry to characterize the synthesized analogues. The biological activities of the compounds were assessed, and the structure-activity relationships were established, leading to the identification of analogues that maintained significant activity and had improved stability compared to the natural product.
Xi,
T,
C
