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Published on: March 10, 2017
Benzethonium chloride: a novel anticancer agent identified by using a cell-based small-molecule screen
Kenneth W Yip1, Xinliang Mao, P Y Billie Au
1Department of Medical Biophysics, University of Toronto, and Department of Medical Oncology, Princess Margaret Hospital, University Health Network, Toronto, Ontario, Canada.
Summary
Benzethonium chloride, an antimicrobial agent, shows significant anticancer activity against head and neck cancers. This compound effectively reduces tumor growth and induces apoptosis, demonstrating broad-spectrum efficacy in preclinical models.
Area of Science:
- Oncology
- Pharmacology
- Biochemistry
Background:
- Head and neck cancers represent a significant global health challenge.
- Novel therapeutic agents are urgently needed to improve treatment outcomes.
Purpose of the Study:
- To identify a novel therapeutic agent for head and neck cancer.
- To evaluate the antitumor efficacy of identified compounds.
Main Methods:
- High-throughput screening of approximately 2,400 compounds using cell-based assays.
- Secondary screening on cancer and normal cell lines.
- In vitro and in vivo efficacy studies, including combination therapy and mode of action analysis.
Main Results:
- Benzethonium chloride identified as a novel, cancer-specific compound.
- Demonstrated dose-dependent cytotoxicity in head and neck cancer cell lines.
- Induced apoptosis, activated caspases, and caused loss of mitochondrial membrane potential.
- Showed in vivo efficacy in xenograft models and broad-spectrum activity against NCI-60 cancer cell lines.
Conclusions:
- Benzethonium chloride exhibits significant broad-spectrum anticancer activity.
- This compound represents a promising novel therapeutic candidate for various cancers.
