Microtubules, as dynamic regulators in many cellular processes, remain pivotal targets in cancer chemotherapy. Among the structural motifs explored, the benzimidazole scaffold has emerged as a privileged heterocyclic ring system in the development of potent therapeutic agents, owing to its versatility and pharmacological relevance. This review critically examines the synthesis, anticancer activity, structure-activity relationships (SAR), and tubulin polymerization inhibitory properties of diverse benzimidazole derivatives. In addition, various synthetic strategies and innovative approaches for generating benzimidazole based analogs with enhanced cytotoxic profiles are highlighted. Recent findings underscore the potential of benzimidazole derivatives as promising tubulin polymerization inhibitors, contributing significantly to the discovery of next-generation anticancer agents.
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http://dx.doi.org/10.1016/j.bmcl.2025.130167 | DOI Listing |
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January 2025
Center for Complex Biological Systems, University of California, Irvine, Irvine, California, USA.
The delivery of intracellular cargoes by kinesins is modulated at scales ranging from the geometry of the microtubule networks down to interactions with individual tubulins and their code. The complexity of the tubulin code and the difficulty in directly observing motor-tubulin interactions have hindered progress in pinpointing the precise mechanisms by which kinesin's function is modulated. As one such example, past experiments show that cleaving tubulin C-terminal tails (CTTs) lowers kinesin-1's processivity and velocity on microtubules, but how these CTTs intertwine with kinesin's processive cycle remains unclear.
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March 2025
Department of Medicinal Chemistry, National Institute of Pharmaceutical Education and Research (NIPER), Hyderabad ad-500037, India. Electronic address:
Microtubules, as dynamic regulators in many cellular processes, remain pivotal targets in cancer chemotherapy. Among the structural motifs explored, the benzimidazole scaffold has emerged as a privileged heterocyclic ring system in the development of potent therapeutic agents, owing to its versatility and pharmacological relevance. This review critically examines the synthesis, anticancer activity, structure-activity relationships (SAR), and tubulin polymerization inhibitory properties of diverse benzimidazole derivatives.
View Article and Find Full Text PDFEndokrynol Pol
March 2025
Medical Genetics Department and Prenatal Diagnosis Centre, The Affiliated Hospital of Qingdao University, Qingdao, China.
Background: Congenital hypothyroidism (CH) is the most common neonatal disorder, primarily caused by thyroid dysgenesis (TD). While the genetic cause has been identified in less than 5% of TD cases, there is an urgent need to investigate additional gene mutations that may be responsible. In 2018, TUBB1 was identified as a novel candidate gene associated with TD.
View Article and Find Full Text PDFAdv Biol (Weinh)
March 2025
Department of Mechanical Engineering, University of Michigan, Ann Arbor, Michigan, 48109, USA.
Creating artificial cells with a dynamic cytoskeleton, akin to those in living cells, is a major goal in bottom-up synthetic biology. In this study, we demonstrate the in situ polymerization of microtubules encapsulated in giant polymer-lipid hybrid vesicles (GHVs) composed of 1,2-dioleoyl-sn-glycero-3-phosphocholine and an amphiphilic block copolymer. The block copolymer is comprised of poly(cholesteryl methacrylate-co-butyl methacrylate) as the hydrophobic block and either poly(6-O-methacryloyl-D-galactopyranose) or poly(carboxyethyl acrylate) as the hydrophilic extension.
View Article and Find Full Text PDFSci Rep
March 2025
Faculty of Biology, Shenzhen MSU-BIT University, Shenzhen, 518172, China.
Cancer treatment remains a pressing challenge, with paclitaxel playing a pivotal role in chemotherapy by disrupting mitotic spindle dynamics through microtubule stabilization. However, the molecular details of paclitaxel interaction with β-tubulin, its target, remain elusive, impeding efforts to overcome drug resistance and optimize efficacy. Here, we employ extensive molecular dynamics simulations to probe the binding modes of paclitaxel within tubulin protofilaments.
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