InSiteTM Her-2/neu Mouse Monoclonal Antibody (Clone CBI 1) kit is intended for In Vitro Diagnostic use in Immunohistochemistry (IHC) assays to semi-quantitatively localize by light microscopy the over-expression of Her-2/neu (i.e., c-erbB-2) in formalin-fixed, paraffin-embedded normal and neoplastic tissue sections. It is indicated as an aid in the assessment of breast cancer patients for whom Herceptin® (Trastuzumab) therapy is being considered. InSite m Her-2/neu may be used in manual hnmunohistochemical applications or in automated applications, such as on the BioGenex i6000TM Automated Staining System or the OptiMax* Plus Consolidated Staining System.