期刊
JOURNAL OF CELLULAR BIOCHEMISTRY
卷 124, 期 1, 页码 31-45出版社
WILEY
DOI: 10.1002/jcb.30361
关键词
autophagy; cancer stem cells; colorectal cancer; epithelial-mesenchymal transition; polyploid giant cancer cells; radioresistance
Radiotherapy is commonly used for tumor treatment, but cancer cells often develop resistance to it, leading to therapeutic failure. This review discusses recent studies on the relationship between radioresistance and alterations in cellular mechanisms and signaling pathways in colorectal cancer. Understanding these mechanisms can improve radiotherapy sensitivity and patient outcomes.
Radiotherapy is one of the most common modalities for the treatment of a wide range of tumors, including colorectal cancer (CRC); however, radioresistance of cancer cells remains a major limitation for this treatment. Following radiotherapy, the activities of various cellular mechanisms and cell signaling pathways are altered, resulting in the development of radioresistance, which leads to therapeutic failure and poor prognosis in patients with cancer. Furthermore, even though several inhibitors have been developed to target tumor resistance, these molecules can induce side effects in nontumor cells due to low specificity and efficiency. However, the role of these mechanisms in CRC has not been extensively studied. This review discusses recent studies regarding the relationship between radioresistance and the alterations in a series of cellular mechanisms and cell signaling pathways that lead to therapeutic failure and tumor recurrence. Our review also presents recent advances in the in vitro/in vivo study models aimed at investigating the radioresistance mechanism in CRC. Furthermore, it provides a relevant biochemical basis in theory, which can be useful to improve radiotherapy sensitivity and prolong patient survival.
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