Peer-reviewed veterinary case report
New chitosan mesh helps grow lab-made meat efficiently
By Xu J et al.·2026·Department of Diagnostic and Therapeutic Systems Engineering, Japan·View original on Europe PMC →
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Original publication title: Microstructured chitosan mesh scaffold for efficient production of cell-cultured meat.
Plain-English summary
This study looked at ways to improve the production of cell-cultured meat, which is meat grown from cells rather than from animals. Researchers created a special mesh made from chitosan, a safe and edible material, to help muscle cells grow and align properly, making them more like real meat. They found that adding gelatin to this mesh helped the muscle cells stick better and grow in a way that mimics natural muscle structure. The results showed that this new mesh not only supported healthy cell growth but also helped the cells line up correctly, which is important for creating meat with good texture. Overall, this new method could make it easier to produce cell-cultured meat that looks and feels more like traditional meat.
Abstract
The rising global demand for sustainable food solutions has been a key driver of significant advancements in cell-cultured meat technology. However, challenges remain in efficiently inducing muscle cell maturation and constructing layered structures that closely resemble natural meat. In this study, we developed a novel microstructured chitosan mesh scaffold to address these challenges, with a focus on promoting cell alignment and minimizing non-cellular components in the final product. Chitosan, a biocompatible and edible polymer derived from chitin, was processed into customizable micromesh sheets to support three-dimensional cell culture. Incorporating gelatin into the chitosan matrix significantly enhanced the adhesion of C2C12 mouse myoblasts to the mesh sheets. Cell culture experiments demonstrated that the chitosan-gelatin mesh scaffold supports robust cell proliferation, leading to the formation of uniform cell sheets. Notably, the rhombus-shaped mesh openings effectively promoted cell alignment, a critical factor for inducing muscle cell maturation and replicating the anisotropic structure of natural muscle fibers. This approach has the potential to not only reduce the scaffolding material-to-cell ratio but also facilitate the creation of muscle fibers with enhanced structural and textural properties.
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Search related cases →Original publication on Europe PMC: https://europepmc.org/article/MED/41936631