Mosa Meat has published a peer-reviewed paper revealing how it achieves muscle differentiation in cultured meat without using fetal bovine serum (FBS) and without genetically modifying the cells in any way. https://www.nature.com/articles/s43016-021-00419-1
Scaffolding Biomaterials for 3D Cultivated Meat: Prospects and Challenges
Claire Bomkamp,Stacey C. Skaalure,Gonçalo F. Fernando,Tom Ben-Arye,Elliot W. Swartz,Elizabeth A. Specht Abstract Cultivating meat from stem cells rather than by raising animals is a promising solution to concerns about the negative externalities...