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<p>Cellular agriculture is a novel platform for addressing the issues of protein scarcity, environmental pressures, and food safety. However, expanding seed cells at a large scale remains a prerequisite for achieving industrial cultured meat production. We here propose the production of large-pore-sized edible porous microcarriers (EPMs) by using NaCl to precisely control ice crystal growth during cryogenic crosslinking. Muscle satellite cells (SCs) and adipose-derived stem cells (ASCs) from large yellow croakers exhibit remarkable adhesion, proliferation, and differentiation on gelatin-based EPMs. Following consecutive expansion, SCs and ASCs densities reach 6.25 × 10<sup>5</sup> and 5.77 × 10<sup>5</sup> cells/mL, leading to a 499-fold and 461-fold increase in cell numbers, respectively. Subsequently, the mature microtissues are incorporated into a bioink, thereby enabling successful three-dimensional printing of cultured fish fillets with sensory properties similar to native fish fillets. EPM-based cell expansion and food structuring techniques are promising in facilitating large-scale cultured fish meat production.</p>

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Scalable production of muscle and adipose cell-laden microtissues using edible macroporous microcarriers for 3D printing of cultured fish fillets

  • 期刊论文

  • 出版模式：

    开放获取

  • 发表日期：

    2025年2月18日

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  • Xuan Zhou,
  • Hongwei Zheng,
  • Yanchi Wu,
  • Haowen Yin,
  • Xiangzhao Mao,
  • Ningyang Li,
  • Huarong Guo,
  • Yaoguang Chang,
  • Xiaoming Jiang,
  • Qinghui Ai,
  • Changhu Xue

摘要

Cellular agriculture is a novel platform for addressing the issues of protein scarcity, environmental pressures, and food safety. However, expanding seed cells at a large scale remains a prerequisite for achieving industrial cultured meat production. We here propose the production of large-pore-sized edible porous microcarriers (EPMs) by using NaCl to precisely control ice crystal growth during cryogenic crosslinking. Muscle satellite cells (SCs) and adipose-derived stem cells (ASCs) from large yellow croakers exhibit remarkable adhesion, proliferation, and differentiation on gelatin-based EPMs. Following consecutive expansion, SCs and ASCs densities reach 6.25 × 105 and 5.77 × 105 cells/mL, leading to a 499-fold and 461-fold increase in cell numbers, respectively. Subsequently, the mature microtissues are incorporated into a bioink, thereby enabling successful three-dimensional printing of cultured fish fillets with sensory properties similar to native fish fillets. EPM-based cell expansion and food structuring techniques are promising in facilitating large-scale cultured fish meat production.