Related Experiment Video
Updated: Mar 7, 2026
Wet-spinning-based Molding Process of Gelatin for Tissue Regeneration
Published on: March 7, 2019
Bioamine-crosslinked gellan gum hydrogel for neural tissue engineering
Janne T Koivisto1, Tiina Joki, Jenny E Parraga
1BioMediTech Institute and Faculty of Biomedical Sciences and Engineering, Tampere University of Technology, Korkeakoulunkatu 3, FI-33720 Tampere, Finland. BioMediTech Institute and Faculty of Medicine and Life Sciences, University of Tampere, Lääkärinkatu 1, FI-33520 Tampere, Finland.
Researchers developed novel gellan gum (GG) hydrogels using bioamines for neural tissue engineering. These biomimetic hydrogels support human neuron growth and maturation, offering a promising alternative for in vitro tissue models.
Area of Science:
- Biomaterials Science
- Neuroscience
- Tissue Engineering
Background:
- Developing advanced biomaterials is crucial for neural tissue engineering and 3D in vitro models.
- Existing methods for creating neural biomaterials often have limitations in mimicking native neural tissue environments.
Purpose of the Study:
- To develop a novel biomimetic hydrogel using gellan gum (GG) crosslinked with bioamines.
- To assess the suitability of these GG-based hydrogels for encapsulating and supporting human neural cells.
Main Methods:
- Gellan gum (GG) hydrogels were produced using spermidine and spermine as bioamine crosslinkers at 37 °C.
- Mechanical, rheological, and cytocompatibility properties of the hydrogels were evaluated.
- Human pluripotent stem cell-derived neuronal cells were encapsulated and cultured within the hydrogels, with some functionalized with laminin.
Main Results:
- The developed GG hydrogels exhibited biomimicking mechanical and rheological properties comparable to native brain tissue.
- Human neurons encapsulated in the hydrogels showed good cytocompatibility.
- Functionalization with laminin promoted neuronal cell maturation and neurite outgrowth.
Conclusions:
- Bioamine-crosslinked gellan gum hydrogels represent a viable and biomimetic material for neural tissue engineering.
- These hydrogels support human neural cell viability, maturation, and neurite extension, showing potential for advanced in vitro neural modeling.
