University of California

Jason H Haga

Shu Chien

Marshall J Levesque

Phillip D Pham

Matt Mui

In alternative embodiments, the invention provides compositions that inhibit the polypeptide SSH-2, or SlingSHot-2, a phosphatase enzyme that regulates actin filaments, and methods for making and using them, including methods comprising administering compositions of the invention to regulate or modify actin filament polymerization by inhibiting SSH-2, where in one embodiment compositions of the invention slow or inhibit F-actin depolymerization and severing. In alternative embodiments, compositions and methods of the invention are used to slow or inhibit cell motility and/or internal remodeling. In alternative embodiments, compositions and methods of the invention are used to slow or inhibit, or reverse, or ameliorate the progression of a cancer or a metastasis or other uncontrolled or unregulated cell growth, and/or Alzheimer's disease.

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San Diego, CA, United States of America

Jason H Haga