Objective To construct the Cre rebombinase expression vector and identify its function of recognizing loxP sites and provide the basis for establishment of the animal models of human diseases.Methods The recombinant vectors Cre-pCEP4 and pStop-eGFP were constructed.The MCF-7 cells and porcine embryonic fibroblasts(PEF) were transfected by Fugene HD.The expression of eGFP was analyzed by fluorescence microscope.Results The recombinant vectors Cre-pCEP4 and pStop-eGFP were constructed successfully and they we...