4.7 Article

Development of S-aryl dithiocarbamate derived novel antiproliferative compound exhibiting tubulin bundling

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BIOORGANIC & MEDICINAL CHEMISTRY
卷 68, 期 -, 页码 -

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PERGAMON-ELSEVIER SCIENCE LTD
DOI: 10.1016/j.bmc.2022.116874

关键词

Cancer; Cell cycle; Dithiocarbamate; Tubulin; Apoptosis

资金

  1. DBT [BT/12/IYBA/2019/02]
  2. BRNS [55/14/02/2021-BRNS/10206]
  3. CSIR [02(0426)/21/EMR-II]
  4. DST-FIST [SR/FST/CS-II/2019/119(C)]

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The study identifies S-aryl dithiocarbamates as a potential class of anticancer drugs, which inhibit cancer cell proliferation, induce apoptosis, and exhibit microtubule-stabilizing properties.
Cancer is a leading cause of human death, and there is a need to identify efficient and novel chemical scaffolds which could provide flexibility to cancer chemotherapeutics. This work introduces S-aryl dithiocarbamates belonging to a versatile group of organo-sulfur containing compounds as a hitherto unexplored class of effective anticancer drugs with promising pharmacophore properties. We synthesized a series of N-Boc piperazine containing S-aryl dithiocarbamates and identified compound 1 as a potent antiproliferative agent in lung, cervical, and breast cancer cell lines. Compound 1 exhibited best inhibitory activity against cervical cancer cells, HeLa with an IC50 of 0.432 +/- 0.138 mu M for 72 h, and lung cancer cells, A549 with an IC50 of 0.447 +/- 0.051 mu M for 72 h. We further demonstrate that HeLa cells treated with this compound result in G(2)/M phase cell cycle arrest, causing cell apoptosis due to the upregulation of the p53-p21 signaling pathway. Importantly, cells treated with compound 1 showed a novel tubulin bundling phenotype in fluorescence microscopy, which is a characteristic of microtubule-stabilizing anticancer drugs like paclitaxel. Interestingly, molecular docking analysis revealed reasonable binding of compound 1 in the taxol-binding pocket of beta-tubulin, making it a promising candidate for microtubule stabilization based anticancer drug discovery.

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