Causes and consequences of micronuclei.
Causes and consequences of micronuclei.
复制标题
微核的原因和后果。
DOI:
10.1016/j.ceb.2021.01.004
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发表时间:
2021-06
影响因子:
7.5
通讯作者:
Cleveland DW
中科院分区:
文献类型:
--
作者:
Krupina K;Goginashvili A;Cleveland DW
Micronuclei are small membrane bounded compartments with a DNA content encapsulated by a nuclear envelope and spatially separated from the primary nucleus. Micronuclei have long been linked to chromosome instability, genome rearrangements, and mutagenesis. They are frequently found in cancers, during senescence, and following genotoxic stress. Compromised integrity of the micronuclear envelope delays or disrupts DNA replication, inhibits DNA repair, and exposes micronuclear DNA directly to cytoplasm. Micronuclei play a central role in tumorigenesis, with micronuclear DNA being a source of complex genome rearrangements (including chromothripsis) and promoting a cyclic GMP–AMP synthase (cGAS)-mediated cellular immune response that may contribute to cancer metastasis. Here, we discuss recent findings on how micronuclei are generated, what the consequences are, and what cellular mechanisms can be applied to protect against micronucleation.
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Ogielska M
影响因子:
7.8
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Fonseca, Cindy L.;Malaby, Heidi L. H.;Stumpff, Jason
通讯作者:
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21.3
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通讯作者:
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