Design, synthesis and biological evaluation of β-boswellic acid based HDAC inhibitors as inducers of cancer cell death

The synthesis and bio-evaluation of naturally occurring boswellic acids (BAs) as an alternate CAP for the design of new HDAC inhibitors is described. All the compounds were screened against a panel of human cancer cell lines to identify leads, which were subsequently examined for their potential to inhibit HDACs. The identified lead compound showed IC50 value of 6 μm for HDACs, found to induce G1 cell cycle arrest at significantly low concentration (1 μM) and caused significant loss in mitochondrial membrane potential at 5 and 10 μM. Furthermore, specific interactions of the lead molecule inside the catalytic domain were also studied through in silico molecular modeling.

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