PhoenixBio | 1,386 followers on LinkedIn. Realize the Future of High-Quality Translational Animal Models | PhoenixBio established its proprietary chimeric mouse model, the PXB-mouse®, with a highly humanized liver through years of research and development. With the addition of fresh, isolated human hepatocytes, PXB-cells®, the applications of our products and study services are as wide-ranging as our clients’ research goals. The PXB-mouse animal background (cDNA-uPA/SCID) makes for a robust, consistent model that maintains up to 95% stable human hepatocyte engraftment.