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Figure 8: The activation of Smad2/3 was upregulated in the HK2 cells stimulated with high glucose for treatment with Tangshen formula for 48 h. Representative immunofluorescence stained with Smad2/3 and pSmad2/3 (green) (original magnification (×400), scale bars, 50 μm) (a). Tangshen formula treatment downregulated the expression of LncRNA MEG3 (b). The data are expressed as the mean ± standard error of the mean of three independent experiments. ^{#}P < 0.05, versus the NC group; *P < 0.05, versus the HG group 
