Targeting G-quadruplexes in gene promoters: a novel anticancer strategy?

Targeting G-quadruplexes in gene promoters: a novel anticancer strategy?
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DOI:
10.1038/nrd3428
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发表时间:
2011-04
影响因子:
120.1
通讯作者:
Neidle, Stephen
Neidle, Stephen
中科院分区:
医学1区
文献类型:
--
作者:
Balasubramanian, Shankar;Hurley, Laurence H.;Neidle, Stephen

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G-四链体是四链 DNA 结构,在基因启动子区域中出现过多,被视为肿瘤学中的新兴治疗靶点,因为通过稳定这些结构来抑制癌基因的转录可能是一种新型抗癌策略。许多基因启动子 G-四链体具有可能使它们成为药物的理化性质和结构特征,并且它们的结构多样性表明高度的选择性是可能的。在这里,我们描述了基因启动子中 G 四链体的证据,并讨论了它们作为治疗靶点的潜力,以及通过小分子配体干预来利用这种潜力的策略开发进展。
G-quadruplexes are four-stranded DNA structures that are over-represented in gene promoter regions and are viewed as emerging therapeutic targets in oncology, as transcriptional repression of oncogenes through stabilization of these structures could be a novel anticancer strategy. Many gene promoter G-quadruplexes have physicochemical properties and structural characteristics that might make them druggable, and their structural diversity suggests that a high degree of selectivity might be possible. Here, we describe the evidence for G-quadruplexes in gene promoters and discuss their potential as therapeutic targets, as well as progress in the development of strategies to harness this potential through intervention with small-molecule ligands.
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