Cited by 23Cancer, Lipids, and MetabolismNonmelanoma Skin Cancer StudiesHistone Deacetylase Inhibitors Research

Itraconazole Inhibits the Growth of Cutaneous Squamous Cell Carcinoma by Targeting HMGCS1/ACSL4 Axis

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Xu, Congcong, Zhuo, Yating, Liu, Yunyao, Chen, Hao·2022·Frontiers in Pharmacology

Abstract

Background: Cutaneous squamous cell carcinoma (cSCC) is a common cutaneous cancer with increasing incidence. Itraconazole has been identified as a potential anticancer drug candidate. However, the role of itraconazole in cSCC was still unclear. Our objective is exploring the therapeutic potential of itraconazole in cSCC and investigate its molecular mechanism. Methods: The anti-proliferation effect of itraconazole was tested with CCK-8 assay and clone formation assay. Cell cycle distribution and apoptosis rate were detected using flow cytometry and TUNEL assay, respectively. Transcriptomic and proteomic analyses were used to explore the underlying anti-cancer mechanism. Luciferase reporter assay was used for promoter activity. Reactive oxygen species (ROS), lipid peroxidation and iron accumulation were examined. The in vivo efficacy of itraconazole was assessed in a xenograft model. Results: Itraconazole inhibited the cell proliferation, induced apoptosis and blocked cell cycle of cSCC cells. An integrated analysis of transcriptomic and proteomic analyses identified that 3-hydroxy-3-methylglutaryl-CoA synthase 1 (HMGCS1) and acyl-CoA synthetase long-chain family member 4 (ACSL4) were significantly upregulated in A431 cells treated with itraconazole. HMGCS1 silencing reversed the antiproliferative activity of itraconazole in A431 cells. Dual-luciferase assay showed that itraconazole could promote HMGCS1 transcription. HMGCS1 silencing abated the expression of ACSL4 in A431 cells. The level of ROS, lipid peroxidation, as well as iron accumulation were increased by itraconazole. Moreover, treatment with itraconazole impeded tumor growth in A431-bearing mice. Conclusion: We proved itraconazole inhibits the growth of cSCC by regulating HMGCS1/ACSL4 axis.

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Authors
Xu, C., Zhuo, Y., Liu, Y., & Chen, H.
Affiliations
  • Chinese Academy of Medical Sciences & Peking Union Medical College (CN)
  • China Pharmaceutical University (CN)
Corresponding author
  • Liu, Yunyao
  • Chen, Hao
Venue
Frontiers in Pharmacology
Published
2022-02-15
Volume
13
Pages
828983-828983
ISSN
1663-9812 (ISSN-L)
OpenAlex
W4212836114
Cited by
23
References
47
Citations by year
2026: 5 · 2025: 5 · 2024: 4 · 2023: 5 · 2022: 4
FWCI
1.90
Type
journal article
Language
en
Open access
Locations
  • Frontiers in Pharmacology (publishedVersion, cc-by)
  • PubMed Central (publishedVersion, cc-by)
  • PubMed (publishedVersion)
  • DOAJ (DOAJ: Directory of Open Access Journals) (submittedVersion, cc-by-sa)
Funders
  • Government of Jiangsu Province
  • Natural Science Foundation of Jiangsu Province (BK20211026, BK20210419)
Topics
  • Life Sciences › Biochemistry, Genetics and Molecular Biology › Cancer Research › Cancer, Lipids, and Metabolism
  • Health Sciences › Medicine › Epidemiology › Nonmelanoma Skin Cancer Studies
  • Life Sciences › Biochemistry, Genetics and Molecular Biology › Molecular Biology › Histone Deacetylase Inhibitors Research
Keywords
itraconazole, cutaneous squamous cell carcinoma, HMGCS1, ACSL4, anticancer drug repurposing, apoptosis, cell cycle arrest, reactive oxygen species, lipid peroxidation, iron accumulation, tumor growth inhibition

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