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Egr-1 induced by TGF-β1 in NRK-52E cells. NRK-52E cells were treated with 10 ng/ml TGF-β1 for the indicated times. (a–c) The mRNA (a) and protein (b, c) expressions of Egr-1 were significantly upregulated at 30 min and 2 h, respectively. Values are shown as mean ± SD. n = 3 for each group. ∗∗p < 0.01, ∗∗p < 0.01, and ∗∗∗p < 0.001 versus 0 h group.
