Trevigen supplies other types of Assays as 1.The gelatin protein mixture of Trevigen is called Cultrex and it is a matrigel like secreted supernatant of the EHS mouse sarcoma cell line. It is a 3D structure similar to Tissues and cells will to adhere to this basement membrane extract BME very well. Cultrexes are the best medium for 3D cell culture studies. They can be used as a metastasis model or an iPSC model (induced pluripotent stem cell). The cultrex medium is useful for cell migration studies using the Pathclear endotoxin free and sterile basement membrane extract. Enghelbreth Holm Swarm sarcoma cells are sold by Corning. A collagen, laminin, fibronectin and vitrobectin Cultrexes are available from Trevigen. Cultrex® Human has been tested for the viruses should be handled in a BSL2 ( biosafety level 2 ) environment.