Trisha Shetty

3D cell culture in wood based nanocellulose hydrogel

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3D cell culture in wood-based nanocellulose hydrogel

Hydrogel from wood-based nanofibrillated cellulose (NFC) is used as a matrix for 3D cell culture. As plant based material, it does not contain any human- or animal-derived components.

Contents

Overview

As the natural extracellular matrix (ECM) is important in the survival, proliferation, differentiation and migration of the cells, hydrogels mimicking natural ECM structure are considered as potential approaches towards in vivo –like cell culturing. GrowDex is NFC hydrogel for 3D cell culture commercialized by UPM, Finland.

Material properties

NFC fiber network structure and dimensions in hydrogel resemble human ECM. Stiffness can be tuned to optimize the conditions for each cell type. Shear-thinning property of the material makes the gel ready to use without cross-linking or gelification step. The nanocellulose hydrogel can be completely degraded by cellulase enzyme treatment while retaining the 3D cell structures.

Applications

NFC hydrogel in 3D cell culture offers a platform for various biomedical applications. Different cell lines and cell types have been cultured in NFC, including e.g. differentiation of human hepatic cells to functional organotypic cultures, and proliferation of human pluripotent stem cells. Organotypic liver cell cultures can be used e.g. in drug discovery for testing liver toxicity and metabolism of the novel drug candidates. The possibility to use the hydrogel with robotic dispensers enables its use in high throughput screening (HTS) formats.

References

3D cell culture in wood-based nanocellulose hydrogel Wikipedia


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