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Programmable scaffolds with aligned porous structures for cell cultured meat
Yichun Chen1, Wenhui Zhang2, Xi Ding1
1College of Food Science and Technology, Nanjing Agricultural University, Nanjing 210095, China.
Food Chemistry
|August 10, 2023
Summary
Researchers developed programmable collagen scaffolds using ice-templated freeze-drying to improve cell cultured meat production. These scaffolds enhance cell growth, differentiation, and texture, while patterned designs boost consumer acceptance.
Area of Science:
- Biomaterials Engineering
- Food Science
- Cell Biology
Background:
- Current cell cultured meat scaffolds lack food-grade materials, optimal cell interaction, and aesthetic appeal.
- Existing scaffolds do not adequately support cell adhesion, proliferation, or differentiation for meat production.
Purpose of the Study:
- To engineer programmable, food-grade collagen scaffolds for enhanced cell cultured meat development.
- To improve cell adhesion, proliferation, and differentiation on scaffolds.
- To explore scaffold's potential in mimicking traditional meat texture and microstructure.
Main Methods:
- Fabrication of aligned porous scaffolds using ice-templated directional freeze-drying of food-grade collagen hydrogel.
- Utilized mold-assisted ice templating for patterned scaffold creation.
- Analyzed cell adhesion, proliferation, and differentiation markers (gene/protein expression, myotube formation).
Main Results:
- Scaffolds exhibited well-aligned porous structures promoting cell adhesion and proliferation.
- Demonstrated enhanced oriented cell growth and differentiation, evidenced by upregulated myogenic genes and proteins.
- Successful fabrication of patterned scaffolds, indicating potential for improved consumer acceptance.
- Scaffold characteristics support simulation of traditional meat texture and microstructure.
Conclusions:
- Programmable collagen scaffolds offer a viable solution for current cell cultured meat limitations.
- The scaffolds effectively promote cell growth and differentiation, crucial for meat texture development.
- Patterned scaffolds enhance aesthetic appeal, potentially increasing consumer acceptance of cell cultured meat.
