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. 2021 May 27;13(11):2643. doi: 10.3390/cancers13112643

Figure 3.

Figure 3

Reporter systems used to study lncRNA functioning as (A) transcriptional activator, (B) complex transcriptional repressor, (C) direct transcriptional repressor, (D) miRNA sponges. Abbreviations: UAS: upstream activation sequence, min P: minimal promoter, P: promoter, RBP: RNA binding protein, DBP: DNA binding protein, LUC: luciferase, IFN-β: interferon beta, PGK: phosphoglycerate kinase, promoter. This is an original figure.