Cited by 93Extracellular vesicles in diseaseGlioma Diagnosis and TreatmentMicroRNA in disease regulation

Transfer of MicroRNA via Macrophage-Derived Extracellular Vesicles Promotes Proneural-to-Mesenchymal Transition in Glioma Stem Cells

Zhang, Zongpu, Xu, Jianye, Chen, Zihang, Wang, Huizhi, Xue, Hao, Yang, Chunlei, Guo, Qindong, Qi, Yanhua +8 more·2020·Cancer Immunology Research

Published version of a preprint

Abstract

Proneural-to-mesenchymal transition (PMT) is a common process in glioblastoma (GBM) progression that leads to increased radiotherapy resistance. However, the mechanism underlying PMT is poorly understood. Here, we found that tumor-associated macrophages triggered PMT in glioma stem cells (GSC) via small extracellular vesicles (sEV). sEVs from monocyte-derived macrophages transferred miR-27a-3p, miR-22-3p, and miR-221-3p to GSCs, and these miRNAs promoted several mesenchymal phenotypes in proneural (PN) GSCs by simultaneously targeting CHD7. We found that CHD7 played a critical role in the maintenance of the PN phenotype, and CHD7 knockdown significantly promoted PMT in GSCs via the RelB/P50 and p-STAT3 pathways. The induction of PMT by sEVs containing miR-27a-3p, miR-22-3p, and miR-221-3p in a xenograft nude mouse model exacerbated radiotherapy resistance and thus decreased the benefits of radiotherapy. Collectively, these findings identified macrophage-derived sEVs as key regulators of PMT in GSCs and demonstrated that CHD7 is a novel inhibitor of PMT.

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Crossref · 10.1158/2326-6066.cir-19-0759

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Authors
Zhang, Z., Xu, J., Chen, Z., Wang, H., Xue, H., Yang, C., Guo, Q., Qi, Y., Guo, X., Qian, M., Wang, S., Qiu, W., Gao, X., Zhao, R., Guo, X., & Li, G.
Affiliations
Shandong University (CN)
Venue
Cancer Immunology Research
Published
2020-07-01
Volume
8
Issue
7
Pages
966-981
ISSN
  • 2326-6066 (ISSN-L)
  • 2326-6074
OpenAlex
W3023468082
Cited by
93
References
42
Citations by year
2026: 7 · 2025: 15 · 2024: 11 · 2023: 17 · 2022: 24 · 2021: 15 · 2020: 4
FWCI
4.22
Type
journal article
Language
en
Open access
closed
Locations
  • Cancer Immunology Research (publishedVersion)
  • PubMed (publishedVersion)
Funders
  • National Natural Science Foundation of China (81571284, 81874083, 81702468, 81802966, 81902540)
  • National Natural Science Foundation of Shandong Province of China (2017CXGC1203, 2017G006012, ZR2019BH057)
  • Taishan Scholars of Shandong Province of China (ts201511093)
Topics
  • Life Sciences › Biochemistry, Genetics and Molecular Biology › Molecular Biology › Extracellular vesicles in disease
  • Health Sciences › Medicine › Genetics › Glioma Diagnosis and Treatment
  • Life Sciences › Biochemistry, Genetics and Molecular Biology › Cancer Research › MicroRNA in disease regulation
Keywords
proneural-to-mesenchymal transition, glioma stem cells, glioblastoma, tumor-associated macrophages, extracellular vesicles, microRNA transfer, miR-27a-3p, miR-22-3p, miR-221-3p, CHD7, radiotherapy resistance, STAT3 signaling, tumor microenvironment
MeSH terms
Extracellular Vesicles, Animals, Brain Neoplasms, Cells, Cultured, DNA Helicases, DNA-Binding Proteins, Glioma, Humans, Macrophages, Mice, Nude, Radiation Protection, Neoplastic Stem Cells, Gene Expression Regulation, Neoplastic, Spheroids, Cellular, Xenograft Model Antitumor Assays, MicroRNAs, Cell Proliferation, Mice, Mesenchymal Stem Cells

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