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Directly lighting up RNA G-quadruplexes from test tubes to living human cells

RNA G-quadruplexes (G4s) are one of the key components of the transcriptome that act as efficient post-transcriptional regulatory elements in living cells. To conduct further studies of the unique biological functions of RNA G4s, techniques need to be developed that can efficiently recognize RNA G4 structures under various conditions, in fixed cells and living cells, as well as in vitro. This paper presents the development of such a method, a new technique using a cyanine dye called CyT, which can detect both canonical and non-canonical RNA G4 structures from test tubes to living human cells. The ability of CyT to distinguish between G4 and nonG4 RNA offers a promising tool for future RNA G4-based biomarker discovery and potential diagnostic applications.

Authors:   Shujuan Xu; Qian Li; Junfeng Xiang; Qianfan Yang; Hongxia Sun; Aijiao Guan; Lixia Wang; Yan Liu; Lijia Yu; Yunhua Shi; Hongbo Chen; Yalin Tang
Journal:   Nucleic Acids Research
Volume:   43
edition:   20
Year:   2015
Pages:   9575
DOI:   10.1093/nar/gkv1040
Publication date:   16-Nov-2015
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