Synthesis, properties, and biomedical applications of gelatin methacryloyl (GelMA) hydrogels

Kan Yue, Grissel Trujillo-de Santiago, Mario Moisés Alvarez, Ali Tamayol, Nasim Annabi, Ali Khademhosseini

Research output: Contribution to journalReview article

381 Citations (Scopus)

Abstract

Gelatin methacryloyl (GelMA) hydrogels have been widely used for various biomedical applications due to their suitable biological properties and tunable physical characteristics. GelMA hydrogels closely resemble some essential properties of native extracellular matrix (ECM) due to the presence of cell-attaching and matrix metalloproteinase responsive peptide motifs, which allow cells to proliferate and spread in GelMA-based scaffolds. GelMA is also versatile from a processing perspective. It crosslinks when exposed to light irradiation to form hydrogels with tunable mechanical properties. It can also be microfabricated using different methodologies including micromolding, photomasking, bioprinting, self-assembly, and microfluidic techniques to generate constructs with controlled architectures. Hybrid hydrogel systems can also be formed by mixing GelMA with nanoparticles such as carbon nanotubes and graphene oxide, and other polymers to form networks with desired combined properties and characteristics for specific biological applications. Recent research has demonstrated the proficiency of GelMA-based hydrogels in a wide range of tissue engineering applications including engineering of bone, cartilage, cardiac, and vascular tissues, among others. Other applications of GelMA hydrogels, besides tissue engineering, include fundamental cell research, cell signaling, drug and gene delivery, and bio-sensing.

Original languageEnglish (US)
Pages (from-to)254-271
Number of pages18
JournalBiomaterials
Volume73
DOIs
StatePublished - Dec 1 2015

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Hydrogels
Gelatin
Tissue engineering
Tissue Engineering
Bioprinting
Cell signaling
Cartilage
Carbon Nanotubes
Microfluidics
Graphite
Hydrogel
Scaffolds
Self assembly
Graphene
Peptides
Matrix Metalloproteinases
Carbon nanotubes
Research
Bone
Nanoparticles

Keywords

  • Biomedical
  • GelMA
  • Gelatin
  • Hydrogel
  • Methacryloyl
  • Tissue engineering

ASJC Scopus subject areas

  • Bioengineering
  • Ceramics and Composites
  • Biophysics
  • Biomaterials
  • Mechanics of Materials

Cite this

Synthesis, properties, and biomedical applications of gelatin methacryloyl (GelMA) hydrogels. / Yue, Kan; Trujillo-de Santiago, Grissel; Alvarez, Mario Moisés; Tamayol, Ali; Annabi, Nasim; Khademhosseini, Ali.

In: Biomaterials, Vol. 73, 01.12.2015, p. 254-271.

Research output: Contribution to journalReview article

Yue, Kan ; Trujillo-de Santiago, Grissel ; Alvarez, Mario Moisés ; Tamayol, Ali ; Annabi, Nasim ; Khademhosseini, Ali. / Synthesis, properties, and biomedical applications of gelatin methacryloyl (GelMA) hydrogels. In: Biomaterials. 2015 ; Vol. 73. pp. 254-271.
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