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Mebendazole preferentially inhibits cilia formation and exerts anticancer activity by synergistically augmenting DNA damage

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Title
Mebendazole preferentially inhibits cilia formation and exerts anticancer activity by synergistically augmenting DNA damage
Author(s)
Hong, Juyeon; Kwon, Keun Yeong; Jang, Dong Gil; Taejoon Kwon; Yoon, Haejin; Tae Joo Park
Publication Date
2024-05
Journal
Biomedicine & Pharmacotherapy, v.174
Publisher
Elsevier Masson
Abstract
The cilium is a microtubule-based organelle that plays a pivotal role in embryonic development and maintenance of physiological functions in the human body. In addition to their function as sensors that transduce diverse extracellular signals, including growth factors, fluid flow, and physical forces, cilia are intricately involved in cell cycle regulation and preservation of DNA integrity, as their formation and resorption dynamics are tightly linked to cell cycle progression. Recently, several studies have linked defects in specific ciliary proteins to the DNA damage response. However, it remains unclear whether and how primary cilia contribute to cancer development. Mebendazole (MBZ) is an anthelmintic drug with anticancer properties in some cancer cells. MBZ is continuously being tested for clinical studies, but the precise mechanism of its anticancer activities remains unknown. Here, using Xenopus laevis embryos as a model system, we discovered that MBZ significantly hinders cilia formation and induces DNA damage. Remarkably, primary cilium-bearing cancer cells exhibited heightened vulnerability to combined treatment with MBZ and conventional anticancer drugs. Our findings shed light on the specific influence of MBZ on cilia, rather than cytosolic microtubules, in triggering DNA damage, elucidating a previously unidentified mechanism underlying potential MBZ-mediated cancer therapy. © 2024
URI
https://pr.ibs.re.kr/handle/8788114/15208
DOI
10.1016/j.biopha.2024.116434
ISSN
0753-3322
Appears in Collections:
Center for Genomic Integrity(유전체 항상성 연구단) > 1. Journal Papers (저널논문)
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