Cell cycle regulation by long non-coding RNAs.

Cell cycle regulation by long non-coding RNAs.
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DOI:
10.1007/s00018-013-1423-0
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发表时间:
2013-12
影响因子:
8
通讯作者:
Ohhata, Tatsuya
Ohhata, Tatsuya
中科院分区:
生物学1区
文献类型:
--
作者:
Kitagawa, Masatoshi;Kitagawa, Kyoko;Kotake, Yojiro;Niida, Hiroyuki;Ohhata, Tatsuya

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哺乳动物细胞周期是由周期蛋白依赖性激酶(CDKs)和相关途径如RB和p53途径精确控制的。最近对长链非编码rna (long non-coding rna, lncRNAs)的研究表明,许多lncRNAs参与细胞周期蛋白、CDKs、CDK抑制剂、pRB和p53等关键细胞周期调节因子的调控。这些lncrna作为表观遗传调节剂、转录因子调节剂、转录后调节剂和蛋白质支架。这些细胞周期调控lncrna主要通过各种机制控制细胞周期调控因子的细胞水平,并可能为一般细胞周期提供多样性和可靠性。有趣的是,一些lncrna被DNA损伤诱导,并作为DNA损伤反应参与细胞周期阻滞或诱导凋亡。因此,这些细胞周期调节lncrna的失调可能与肿瘤发生有关,它们是癌症治疗和诊断的新的候选分子靶点。
The mammalian cell cycle is precisely controlled by cyclin-dependent kinases (CDKs) and related pathways such as the RB and p53 pathways. Recent research on long non-coding RNAs (lncRNAs) indicates that many lncRNAs are involved in the regulation of critical cell cycle regulators such as the cyclins, CDKs, CDK inhibitors, pRB, and p53. These lncRNAs act as epigenetic regulators, transcription factor regulators, post-transcription regulators, and protein scaffolds. These cell cycle-regulated lncRNAs mainly control cellular levels of cell cycle regulators via various mechanisms, and may provide diversity and reliability to the general cell cycle. Interestingly, several lncRNAs are induced by DNA damage and participate in cell cycle arrest or induction of apoptosis as DNA damage responses. Therefore, deregulations of these cell cycle regulatory lncRNAs may be involved in tumorigenesis, and they are novel candidate molecular targets for cancer therapy and diagnosis.
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