DISE/6mer seed toxicity-a powerful anti-cancer mechanism with implications for other diseases.

DISE/6mer seed toxicity-a powerful anti-cancer mechanism with implications for other diseases.
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DOI:
10.1186/s13046-021-02177-1
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发表时间:
2021-12-10
期刊:
Journal of experimental & clinical cancer research : CR
影响因子:
--
通讯作者:
Peter ME
Peter ME
中科院分区:
其他
文献类型:
--
作者:
Haluck-Kangas A;Patel M;Paudel B;Vaidyanathan A;Murmann AE;Peter ME

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微(mi)RNA是短的非编码RNA,其通过它们的种子序列(pos.引导链的2-7/8)通过靶向主要位于mRNA的3′非翻译区(3′ UTR)的互补序列(种子匹配)来调节细胞功能。任何进入RNA诱导沉默复合物(RISC)的短RNA都可以通过miRNA样RNA干扰杀死细胞,当其6聚体种子序列(pos. 2-7具有富含G的核苷酸组成。富含G的种子通过靶向对细胞存活至关重要的基因的3′ UTR中的富含C的种子匹配来介导6聚体种子毒性。由此产生的生存基因消除诱导的死亡(DISE)主要影响癌细胞,但可能导致其他疾病背景下的细胞死亡。本文综述了DISE/6 mer Seed Tox在癌症中的作用;其治疗潜力;其对治疗抗性的贡献;其选择性以及为什么正常细胞受到保护的最新研究结果。此外,我们还探讨了6聚体种子毒性与衰老之间的联系,以及与癌症和某些神经退行性疾病的关系。
micro(mi)RNAs are short noncoding RNAs that through their seed sequence (pos. 2–7/8 of the guide strand) regulate cell function by targeting complementary sequences (seed matches) located mostly in the 3′ untranslated region (3′ UTR) of mRNAs. Any short RNA that enters the RNA induced silencing complex (RISC) can kill cells through miRNA-like RNA interference when its 6mer seed sequence (pos. 2–7 of the guide strand) has a G-rich nucleotide composition. G-rich seeds mediate 6mer Seed Toxicity by targeting C-rich seed matches in the 3′ UTR of genes critical for cell survival. The resulting Death Induced by Survival gene Elimination (DISE) predominantly affects cancer cells but may contribute to cell death in other disease contexts. This review summarizes recent findings on the role of DISE/6mer Seed Tox in cancer; its therapeutic potential; its contribution to therapy resistance; its selectivity, and why normal cells are protected. In addition, we explore the connection between 6mer Seed Toxicity and aging in relation to cancer and certain neurodegenerative diseases.
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