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Updated: Aug 9, 2025

Microgel-Extracellular Matrix Composite Support for the Embedded 3D Printing of Human Neural Constructs

Microgel-Extracellular Matrix Composite Support for the Embedded 3D Printing of Human Neural Constructs

Published on: May 5, 2023

Oligo (Poly (Ethylene Glycol) Fumarate)-Based Multicomponent Cryogels for Neural Tissue Replacement.

Mohamed Zoughaib^1,2, Kenana Dayob^1,2, Svetlana Avdokushina^1,2

¹Institute of Fundamental Medicine and Biology, Kazan (Volga Region) Federal University, 18 Kremlyovskaya St., 420008 Kazan, Russia.

Gels (Basel, Switzerland)

|February 24, 2023

Summary

New synthetic macroporous cryogels based on oligo (poly (ethylene glycol) fumarate) (OPF) offer tunable properties for neural tissue repair. These advanced scaffolds show promise for spinal cord repair, outperforming previous hydrogel designs.

Keywords:

cationic monomer cell-supporting properties multicomponent cryogels neuronal cells oligo (poly (ethylene glycol) fumarate)physicochemical properties polyethylene glycol porous structure

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Last Updated: Aug 9, 2025

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Published on: June 18, 2014

Area of Science:

Biomaterials Science
Tissue Engineering
Neuroscience

Background:

Synthetic hydrogels are crucial for creating neural tissue analogs with tunable properties.
Oligo (poly (ethylene glycol) fumarate) (OPF)-based macroporous cryogels were developed as an advancement over non-porous OPF hydrogels for spinal cord repair.

Purpose of the Study:

To synthesize and characterize OPF-based macroporous cryogels for neural tissue repair.
To investigate the influence of PEG diacrylate and MAETAC monomers on cryogel properties.
To evaluate the cell-supporting characteristics of these novel cryogels for neuronal cell adhesion, migration, and proliferation.

Main Methods:

Synthesis of OPF-based cryogel conduits using PEG diacrylate and MAETAC.
Characterization of viscoelastic, hydration, and porous structural properties.
Assessment of neuronal cell behavior (adhesion, migration, proliferation) on the cryogels.

Main Results:

The study identified the contribution of each component to the cryogels' viscoelastic, hydration, and porous behaviors.
Rheological properties of the synthesized materials were found to align with those of neural tissues and scaffolds.
OPF-based cryogels demonstrated optimized cell-supporting characteristics for neuronal cells.

Conclusions:

OPF-based macroporous cryogels represent a tunable synthetic scaffold for neural tissue repair.
These cryogels offer advantages over their hydrogel counterparts for applications in spinal cord repair.