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Bioprinting Cellularized Constructs Using a Tissue-specific Hydrogel Bioink
Published on: April 21, 2016
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Egg White Photocrosslinkable Hydrogels as Versatile Bioinks for Advanced Tissue Engineering Applications.
Mahboobeh Mahmoodi1,2,3,4,5, Mohammad Ali Darabi1,2,3, Neda Mohaghegh1
1Terasaki Institute for Biomedical Innovation, Los Angeles, California 90024, USA.
Advanced Functional Materials
|November 25, 2024
Summary
Researchers developed a novel photocrosslinkable hydrogel from egg white (EW), named EWMA. This bio-ink supports cell growth and vascularization, offering new possibilities for tissue engineering and regenerative medicine.
Area of Science:
- Biomaterials Science
- Tissue Engineering
- Regenerative Medicine
Background:
- Photocrosslinkable hydrogels are versatile for tissue engineering and drug delivery.
- Egg White (EW) is a promising biomaterial with inherent bioactivity and adjustable properties.
Purpose of the Study:
- To develop a photocrosslinkable hydrogel from EW for 3D bioprinting.
- To evaluate the bioactivity, mechanical properties, and cell compatibility of the novel hydrogel.
Main Methods:
- Methacryloyl modification of Egg White to create Egg White Methacryloyl (EWMA).
- Photocrosslinking of EWMA using UV light to form hydrogels.
- Assessment of hydrogel properties, cell growth, proliferation, and vascularization using HUVECs.
Main Results:
- Synthesized EWMA hydrogels exhibit remarkable bioactivity and adjustable mechanical properties.
- EWMA hydrogels mimic the native extracellular matrix (ECM) with cell-binding motifs.
- EWMA promotes cell growth, proliferation, and vascularization in 3D cultures.
Conclusions:
- EWMA hydrogels are suitable for 3D bioprinting and biofabrication of living constructs.
- This material shows potential for creating physiologically relevant 3D in vitro models.
- EWMA offers significant opportunities in regenerative medicine, particularly for vascular grafts and biomedical implants.
