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. 2005 Apr;25(8):3173–3181. doi: 10.1128/MCB.25.8.3173-3181.2005

FIG. 8.

FIG. 8.

A model to explain the stimulation of MRTF activity by STARS. STARS binds to actin and promotes actin polymerization in the presence of basal Rho activity, which releases MRTFs from the inhibitory influence of G-actin, allowing the nuclear import of MRTFs and stimulation of SRF activity. SRF activates actin genes, which allows a negative-feedback loop.