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Related Experiment Video

Updated: Mar 13, 2026

Cellular Encapsulation in 3D Hydrogels for Tissue Engineering
09:37

Cellular Encapsulation in 3D Hydrogels for Tissue Engineering

Published on: October 26, 2009

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Polymeric Materials for Cell Microencapsulation.

A Aijaz1, D Perera1, Ronke M Olabisi2

  • 1Department of Biomedical Engineering, Rutgers University, 599 Taylor Road, Piscataway, NJ, 08854, USA.

Methods in Molecular Biology (Clifton, N.J.)
|October 15, 2016
PubMed
Summary
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This study presents a new protocol for microencapsulating mammalian cells using poly(ethylene glycol) diacrylate (PEGDA), a synthetic polymer. This method offers an alternative to natural polymers for therapeutic cell delivery and immunoisolation.

Area of Science:

  • Biomaterials Science
  • Cell Biology
  • Regenerative Medicine

Background:

  • Mammalian cells have been microencapsulated for over 50 years, with therapeutic applications for 36 years.
  • Microencapsulation provides immunoisolation and prevents cell migration, enabling therapeutic delivery of factors.
  • Common methods use alginate/poly-L-lysine, but alginate can be immunogenic, driving research into synthetic alternatives.

Purpose of the Study:

  • To describe a protocol for forming microspheres and microcapsules using the synthetic polymer poly(ethylene glycol) diacrylate (PEGDA).
  • To offer a synthetic polymer-based alternative for cell microencapsulation in therapeutic applications.

Main Methods:

  • Microencapsulation of mammalian cells.
  • Formation of microspheres and microcapsules using poly(ethylene glycol) diacrylate (PEGDA).
Keywords:
Cell microencapsulationCell therapyHydrogelMicrocapsuleMicrospherePEGDA

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Last Updated: Mar 13, 2026

Cellular Encapsulation in 3D Hydrogels for Tissue Engineering
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Main Results:

  • A protocol for generating PEGDA-based microspheres and microcapsules was successfully developed.
  • PEGDA offers a synthetic polymer option for cell microencapsulation, addressing limitations of natural polymers.

Conclusions:

  • Poly(ethylene glycol) diacrylate (PEGDA) provides a viable synthetic polymer for microencapsulating mammalian cells.
  • This protocol advances cell-based therapy by offering an immunoisolating and non-migratory delivery system.