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A 3D Bioprinting Approach to Studying Retinal Müller Cells
Davide Vecchiotti1, Mauro Di Vito Nolfi1, Francesca Veglianti1
1Department of Biotechnological and Applied Clinical Sciences (DISCAB), University of L'Aquila, 67100 L'Aquila, Italy.
Genes
|November 27, 2024
Summary
Three-dimensional bioprinting of retinal Müller cells (MCs) in a collagen hydrogel improves cell viability and function. This 3D model offers a better platform for studying retinal diseases and developing therapies.
Area of Science:
- Tissue Engineering
- Regenerative Medicine
- Biotechnology
Background:
- Bioprinting is an innovative tissue engineering technology for creating complex biological structures.
- Müller cells (MCs) play crucial roles in retinal physiology and pathology.
- Understanding MCs in a 3D environment is vital for retinal research.
Purpose of the Study:
- To develop a 3D bioprinted model of Müller cells (MCs).
- To investigate the suitability of different hydrogels for MCs.
- To enhance understanding of MCs' roles in retinal health and disease.
Main Methods:
- Utilized 3D bioprinting technology with two hydrogels.
- Assessed rMC-1 cell viability, differentiation, and function.
- Employed live/dead assays and western blot analysis.
Main Results:
- Collagen-based hydrogel enhanced rMC-1 cell viability and spheroid formation.
- 3D bioprinted MCs showed reduced gliosis and oxidative stress markers compared to 2D cultures.
- Decreased GFAP and p-ERK expression in 3D indicated a less stressed phenotype.
Conclusions:
- 3D bioprinting provides a more predictive model for retinal Müller cell biology.
- This platform aids in studying retinal diseases.
- Facilitates the development of targeted therapeutic strategies for retinal conditions.
