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. 2021 Mar 19;12(4):298. doi: 10.1038/s41419-021-03558-2

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© The Author(s) 2021

Open Access This article is licensed under a Creative Commons Attribution 4.0 International License, which permits use, sharing, adaptation, distribution and reproduction in any medium or format, as long as you give appropriate credit to the original author(s) and the source, provide a link to the Creative Commons license, and indicate if changes were made. The images or other third party material in this article are included in the article’s Creative Commons license, unless indicated otherwise in a credit line to the material. If material is not included in the article’s Creative Commons license and your intended use is not permitted by statutory regulation or exceeds the permitted use, you will need to obtain permission directly from the copyright holder. To view a copy of this license, visit http://creativecommons.org/licenses/by/4.0/.

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Fig. 3 — A The circCUX1 structure. B qRT-PCR products with divergent primers showing circularization of circCUX1. cDNA complementary DNA, gDNA genomic DNA. C qRT-PCR analysis for the expression of circCUX1 and CUX1 mRNA after treatment with RNase R in Fadu cells. D qRT-PCR analysis for the expression of circCUX1 and CUX1 mRNAs after treatment with Actinomycin D at the indicated time points in Fadu cells. E RNA fluorescence in situ hybridization for circCUX1. Nuclei were stained with DAPI.