Genomic Instability and Cancer Risk Associated with Erroneous DNA Repair.
Genomic Instability and Cancer Risk Associated with Erroneous DNA Repair.
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DOI:
10.3390/ijms222212254
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发表时间:
2021-11-12
影响因子:
5.6
通讯作者:
Ishiai M
中科院分区:
文献类型:
--
作者:
Yoshioka KI;Kusumoto-Matsuo R;Matsuno Y;Ishiai M
Many cancers develop as a consequence of genomic instability, which induces genomic rearrangements and nucleotide mutations. Failure to correct DNA damage in DNA repair defective cells, such as in BRCA1 and BRCA2 mutated backgrounds, is directly associated with increased cancer risk. Genomic rearrangement is generally a consequence of erroneous repair of DNA double-strand breaks (DSBs), though paradoxically, many cancers develop in the absence of DNA repair defects. DNA repair systems are essential for cell survival, and in cancers deficient in one repair pathway, other pathways can become upregulated. In this review, we examine the current literature on genomic alterations in cancer cells and the association between these alterations and DNA repair pathway inactivation and upregulation.
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