Cited by 178Autophagy in Disease and TherapyGlioma Diagnosis and TreatmentCancer, Lipids, and Metabolism

Itraconazole suppresses the growth of glioblastoma through induction of autophagy: Involvement of abnormal cholesterol trafficking

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Liu, Rui, Li, Jingyi, Zhang, Tao, Zou, Linzhi, Chen, Yi, Wang, Kui, Lei, Yunlong, Yuan, Kefei +8 more·2014·Autophagy

Abstract

Glioblastoma is one of the most aggressive human cancers with poor prognosis, and therefore a critical need exists for novel therapeutic strategies for management of glioblastoma patients. Itraconazole, a traditional antifungal drug, has been identified as a novel potential anticancer agent due to its inhibitory effects on cell proliferation and tumor angiogenesis; however, the molecular mechanisms involved are still unclear. Here, we show that itraconazole inhibits the proliferation of glioblastoma cells both in vitro and in vivo. Notably, we demonstrate that treatment with itraconazole induces autophagic progression in glioblastoma cells, while blockage of autophagy markedly reverses the antiproliferative activities of itraconazole, suggesting an antitumor effect of autophagy in response to itraconazole treatment. Functional studies revealed that itraconazole retarded the trafficking of cholesterol from late endosomes and lysosomes to the plasma membrane by reducing the levels of SCP2, resulting in repression of AKT1-MTOR signaling, induction of autophagy, and finally inhibition of cell proliferation. Together, our studies provide new insights into the molecular mechanisms regarding the antitumor activities of itraconazole, and may further assist both the pharmacological investigation and rational use of itraconazole in potential clinical applications.

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Authors
Liu, R., Li, J., Zhang, T., Zou, L., Chen, Y., Wang, K., Lei, Y., Yuan, K., Li, Y., Lan, J., Cheng, L., Xie, N., Xiang, R., Nice, E. C., Huang, C., & Wei, Y.
Affiliations
  • Sichuan University (CN)
  • Chengdu Medical College (CN)
  • Chongqing Medical University (CN)
  • Nankai University (CN)
  • Monash University (AU)
Corresponding author
Huang, Canhua
Venue
Autophagy
Published
2014-05-15
Volume
10
Issue
7
Pages
1241-1255
ISSN
  • 1554-8627 (ISSN-L)
  • 1554-8635
OpenAlex
W2036586511
Cited by
178
References
77
Citations by year
2026: 7 · 2025: 9 · 2024: 9 · 2023: 16 · 2022: 22 · 2021: 21 · 2020: 21 · 2019: 17 · 2018: 20 · 2017: 18 · 2016: 14 · 2015: 3 · 2014: 1
FWCI
9.07
Type
journal article
Language
en
Open access
Locations
  • Autophagy (publishedVersion)
  • PubMed Central (publishedVersion)
  • PubMed (publishedVersion)
Funders
  • National Natural Science Foundation of China (81172173, 2011CB910703, 2012ZX09501001-003, 81302205, J1103518, 2013CB911300)
  • Ministry of Education, India
  • National Science and Technology Major Project (2012ZX09501001-003, 2012ZX09501001)
Topics
  • Health Sciences › Medicine › Epidemiology › Autophagy in Disease and Therapy
  • Health Sciences › Medicine › Genetics › Glioma Diagnosis and Treatment
  • Life Sciences › Biochemistry, Genetics and Molecular Biology › Cancer Research › Cancer, Lipids, and Metabolism
Keywords
itraconazole, glioblastoma, antifungal drug repurposing, cell proliferation inhibition, cholesterol transport, late endosomes, lysosomes, sterol carrier protein 2, anticancer activity
MeSH terms
Animals, Autophagy, Biological Transport, Brain Neoplasms, Carrier Proteins, Cell Membrane, Cholesterol, Female, Glioblastoma, Humans, Mice, Nude, Vacuoles, Signal Transduction, Itraconazole, Cell Line, Tumor, Cell Proliferation, Proto-Oncogene Proteins c-akt, Rats, TOR Serine-Threonine Kinases

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