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. 2021 Aug 30;12:654951. doi: 10.3389/fphys.2021.654951

FIGURE 4.

FIGURE 4

The Wnt/β-catenin pathway was stimulated in lncRNA GAS5/miR-21/PTEN-mediated EMT. (A) HG stimulated the Wnt/β-catenin pathway. (B) lncRNA GAS5 overexpression significantly downregulated the Wnt/β-catenin pathway. (C) lncRNA GAS5 siRNA significantly upregulated the Wnt/β-catenin pathway. (D) Immunofluorescence staining demonstrated that an increase of nuclear β-catenin accumulation was evident in HG-induced HPMCs EMT, lncRNA GAS5 overexpression attenuated β-catenin nuclear localization and lncRNA GAS5 siRNA aggravated nuclear localization. The arrows indicate nuclear localization of β-catenin. (E) miR-21 inhibitor attenuated lncRNA GAS5 siRNA stimulated Wnt/β-catenin pathway. (F) PTEN reversed lncRNA GAS5 siRNA stimulated Wnt/β-catenin pathway. Each value represents the mean ± SEM (n = 3) (**P < 0.01 vs. control, ##P < 0.01 vs. HG, &⁣&P < 0.01 vs. siGAS5).