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. Author manuscript; available in PMC: 2011 Jul 23.
Published in final edited form as: Circ Res. 2010 Jun 17;107(2):294–304. doi: 10.1161/CIRCRESAHA.110.223172

Figure 8. Proposed mechanism of MRTF-A activity during the stress response to MI.

Figure 8

Increased TGFβ-1 levels result in the nuclear accumulation of MRTF-A in a Rho-ROCK dependent manner. Nuclear MRTF-A targets CArG box containing genes and induces the expression of smooth muscle and ECM molecules indicative of a myofibroblast cell type.