期刊
JOURNAL OF PINEAL RESEARCH
卷 61, 期 2, 页码 208-217出版社
WILEY
DOI: 10.1111/jpi.12341
关键词
EZH2 phosphorylation; EZH2-STAT3 interaction; glioblastoma stem-like cells; melatonin
资金
- National Natural Science Foundation of China [31501171, 31571433]
- Anhui Provincial Natural Science Foundation [1608085MH180, 1508085SMC214]
Glioblastoma stem-like cells (GSCs) displaying self-renewing and tumor-propagating capacity play a particularly important role in maintaining tumor growth, therapeutic resistance, and tumor recurrence. Therefore, new therapeutic strategies focusing on impairing GSC maintenance are urgently needed. Here, we used GSCs isolated from surgical specimens from patients with glioblastoma multiforme (GBM) to study the roles and underlying mechanisms associated with melatonin in GSC biology. The results showed that melatonin directly targeted glioma tumor cells by altering GSC biology and inhibiting GSC proliferation. Additionally, melatonin altered profile of transcription factors to inhibit tumor initiation and propagation. Furthermore, EZH2 S21 phosphorylation and EZH2-STAT3 interaction in GSCs were impaired following melatonin treatment. These results suggested that melatonin attenuated multiple key signals involved in GSC self-renewal and survival, and further supported melatonin as a promising GBM therapeutic.
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