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. 2006 Oct;169(4):1282–1293. doi: 10.2353/ajpath.2006.050921

FIGURE 3.

FIGURE 3

TGF-β1 mediated activation of signaling pathways. Confluent monolayers of HK2 cells were stimulated by the addition of TGF-β1 (1 ng/ml) for up to 6 hours. At the time points indicated, total cell extracts were generated, and immunoblot analysis of lysate samples for phosphorylated-Smad/total Smad (A), phosphorylated ERK/total-ERK (B), and phosphorylated p38/total p38 (C) was performed.