Journal
NATURE FOOD
Volume 1, Issue 4, Pages -Publisher
NATURE PORTFOLIO
DOI: 10.1038/s43016-020-0046-5
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- Aleph Farms
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Cell-based meat (CBM) production is a promising technology that could generate meat without the need of animal agriculture. The generation of tissue requires a three-dimensional (3D) scaffold to provide support to the cells and mimic the extracellular matrix (ECM). For CBM, the scaffold needs to be edible and have suitable nutritional value and texture. Here, we demonstrate the use of textured soy protein-an edible porous protein-based biomaterial-as a novel CBM scaffold that can support cell attachment and proliferation to create a 3D engineered bovine muscle tissue. The media composition was optimized for 3D bovine satellite cell (BSC) proliferation and differentiation by adding myogenic-related growth factors. Myogenesis of several cell combinations was compared, and elevated myogenesis and ECM deposition were shown in co-culture of BSCs with bovine smooth muscle cells and tri-cultures of BSCs, bovine smooth muscle cells and bovine endothelial cells. The expression of proteins associated with ECM gene sets was increased in the co-culture compared with BSC monoculture. Volunteers tasted the product after cooking and noted its meaty flavour and sensorial attributes, achieving the goal of replicating the sensation and texture of a meat bite. This approach represents a step forward for the applied production of CBM as a food product. Animal skeletal muscle cell culture has the potential to provide new protein sources without the need for conventional animal agriculture. Ben-Ayre et. al. address one of the challenges of growing cell-based meat in vitro by using textured soy protein as an extracellular matrix scaffold. This approach allowed three-dimensional skeletal muscle cell development to produce a meat-like product for human consumption.
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