Corning Matrigel® Matrix Phenol Red-Free is recommended for assays which require color detection (i.e. fluorescence). Corning Matrigel® Basement Membrane Matrix is effective for the attachment and differentiation of both normal and transformed anchorage dependent epithelioid and other cell types. These include neurons, Sertoli cells, chick lens, and vascular endothelial cells, and hepatocytes. Corning Matrigel will influence gene expression in adult rat hepatocytes as well as three dimensional culture in mouse and human mammary epithelial cells. It will support in vivo peripheral nerve regeneration, can be used for metabolism and toxicology studies,and is the basis for several types of tumor cell invasion assays. Corning Matrigel provides the substrate necessary for the study of angiogenesis both in vitro and in vivo. Corning Matrigel also supports in vivo propagation of human tumors in immunosupressed mice.