TITLE: A Small Molecule Activator for MRTF-A Dependent Gene Expression Promotes Myofibroblast Differentiation and Wound Healing. INVENTORS: Eric Olson and Eric Small TECHNOLOGY: Biologicals UTSD: 2716 SUMMARY: The inventors previously reported that myocardin-related transcription factor (MRTF)-A promotes differentiation of cardiac fibroblast to a myfibroblast phenotype and production of stress fibers. MRTF-A also stimulates fibroflast contractility, while MRTF-R null fibroblasts fail to induce the smooth muscle cell contractile program in response to stress signals. Deletion of MRTF-A in mice attenuates myofibroblast responses following cardiac injury and reduces cardiac fibrosis and scarring. Using dermal fibroblast differentiation as an experimental model, isoxazole ring-containing small molecules are shown here as stimulators of MRTF-A activity and myofibroblast differentiation. They promote granulation tissue formation and wound closure, suggesting that targeting MRTFs pharmacologically may prove useful in treating diseases associated with inappropriate myofibroblast activity. Please contact the Office for Technology Development for more details: Phone: 214-648-1888 Email: TechnologyDevelopment@utsouthwestern.edu Please reference UT Southwestern Case Number: 2716