US Patent 7718626 ErbB3 binding protein compositions and methods of use

A method of repressing a cell-cycle gene, which is regulated by an E2F transcription factor, in a cell, wherein the method comprises contacting the cell with a cell-cycle gene-repressing amount of ErbB3 binding protein (Ebp1); a method of inhibiting prostate cancer in a mammal, wherein the method comprises administering to the mammal a prostate cancer-inhibiting amount of Ebp1; a composition comprising an Ebp1-expressing viral vector that expresses a cell-cycle gene-repressing amount of Ebp1; and a composition comprising polymer-packaged DNA comprising and expressing a cell-cycle gene-repressing amount of Ebp1.