Mechanisms of programmed DNA lesions and genomic instability in the immune system.
Mechanisms of programmed DNA lesions and genomic instability in the immune system.
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DOI:
10.1016/j.cell.2013.01.007
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发表时间:
2013-01-31
期刊:
影响因子:
64.5
通讯作者:
Schwer B
中科院分区:
文献类型:
--
作者:
Alt FW;Zhang Y;Meng FL;Guo C;Schwer B
Chromosomal translocations involving antigen receptor loci are common in lymphoid malignancies. Translocations require DNA double-strand breaks (DSBs) at two chromosomal sites, their physical juxtaposition, and their fusion by end joining. Ability of lymphocytes to generate diverse repertoires of antigen receptors and effector antibodies derives from programmed genomic alterations that produce DSBs. We discuss these lymphocyte-specific processes, with a focus on mechanisms that provide requisite DSB target specificity and mechanisms that suppress DSB translocation. We also discuss recent work that provides new insights into DSB repair pathways and influences of three-dimensional genome organization on physiological processes and cancer genomes.
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DOI:
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发表时间:
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