期刊
FRONTIERS IN IMMUNOLOGY
卷 11, 期 -, 页码 -出版社
FRONTIERS MEDIA SA
DOI: 10.3389/fimmu.2020.592080
关键词
glioma; Sox9; transforming growth factor-β migration; invasion
类别
资金
- National Natural Science Foundation of China [81702458, 81772661, 81572983]
Sox9, an upregulated transcription factor in clinical gliomas associated with poor prognosis, promotes migration and invasion of glioma cells and in vivo tumor development. It functions downstream of the TGF-beta pathway, where TGF-beta signaling prevents proteasomal degradation of Sox9 protein in glioma cells. These findings provide new insights into the interaction between TGF-beta signaling and oncogenic transcription factors, with implications for targeted therapy and prognostic assessment of gliomas.
Gliomas are brain and spinal cord malignancies characterized by high malignancy, high recurrence and poor prognosis, the underlying mechanisms of which remain largely elusive. Here, we found that the Sry-related high mobility group box (Sox) family transcription factor, Sox9, was upregulated and correlated with poor prognosis of clinical gliomas. Sox9 promotes migration and invasion of glioma cells and in vivo development of xenograft tumors from inoculated glioma cells. Sox9 functions downstream of the transforming growth factor-beta (TGF-beta) pathway, in which TGF-beta signaling prevent proteasomal degradation of the Sox9 protein in glioma cells. These findings provide novel insight into the wide interplay between TGF-beta signaling and oncogenic transcription factors, and have implications for targeted therapy and prognostic assessment of gliomas.
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