期刊
INTERNATIONAL JOURNAL OF ORAL SCIENCE
卷 12, 期 1, 页码 -出版社
SPRINGERNATURE
DOI: 10.1038/s41368-020-00087-0
关键词
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资金
- National Natural Science Foundation of China [81772898]
- Scientific Research Foundation of Sichuan Province, China [2019YFH0082]
Radiotherapy is one of the most common treatments for oral cancer. However, in the clinic, recurrence and metastasis of oral cancer occur after radiotherapy, and the underlying mechanism remains unclear. Cancer stem cells (CSCs), considered the seeds of cancer, have been confirmed to be in a quiescent state in most established tumours, with their innate radioresistance helping them survive more easily when exposed to radiation than differentiated cancer cells. There is increasing evidence that CSCs play an important role in recurrence and metastasis post-radiotherapy in many cancers. However, little is known about how oral CSCs cause tumour recurrence and metastasis post-radiotherapy. In this review article, we will first summarise methods for the identification of oral CSCs and then focus on the characteristics of a CSC subpopulation induced by radiation, hereafter referred to as awakened CSCs, to highlight their response to radiotherapy and potential role in tumour recurrence and metastasis post-radiotherapy as well as potential therapeutics targeting CSCs. In addition, we explore potential therapeutic strategies targeting these awakened CSCs to solve the serious clinical challenges of recurrence and metastasis in oral cancer after radiotherapy.
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