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. 2015 Dec 1;10(12):e0143802. doi: 10.1371/journal.pone.0143802

Fig 6. Fn14, a downstream target of the TGF-β signaling pathway, regulates dermal fibroblast activation.

Fig 6

The TGF-β signaling pathway increases Fn14 expression through SMAD4 binding to the Fn14 promoter in human dermal fibroblasts. Then, upregulated Fn14 expression promotes ECM synthesis and fibroblast activation.