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Biocompatibility of hydrogel-based scaffolds for tissue engineering applications.

Sheva Naahidi1, Mousa Jafari2, Megan Logan3

  • 1Department of Chemical Engineering, University of Waterloo, 200 University Avenue West, Waterloo, Ontario N2L 3G1, Canada; Waterloo Institute for Nanotechnology, University of Waterloo, Ontario, Canada; Center for Biomedical Engineering, Department of Medicine, Brigham and Women's Hospital, Harvard Medical School, 65 Landsdowne Street, PRB 252, Cambridge, MA 02139, USA; Harvard-MIT Division of Health Sciences and Technology, Massachusetts Institute of Technology, Cambridge, MA 02139, USA.

Biotechnology Advances
|June 1, 2017
PubMed
Summary

This review examines hydrogels for tissue engineering, focusing on biocompatibility and design criteria for effective, safe scaffolds. It explores natural and synthetic hydrogels, their applications, and future directions in regenerative medicine.

Keywords:
BiocompatibilityBiomaterialsCellular scaffoldHydrogelsTissue engineering

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Area of Science:

  • Biomaterials Science
  • Tissue Engineering
  • Regenerative Medicine

Background:

  • Extracellular matrix (ECM) knowledge fuels hydrogel scaffold design for bioengineered tissues.
  • Hydrogels, natural or synthetic, are crucial for recreating ECM in tissue engineering.
  • Increasing hydrogel use necessitates rigorous biocompatibility evaluation for safety and efficacy.

Purpose of the Study:

  • To review hydrogel biocompatibility and design criteria for tissue engineering scaffolds.
  • To discuss natural and synthetic hydrogels, their applications, and clinical considerations.
  • To provide insights for designing advanced, non-invasive hydrogels for biomedical uses.

Main Methods:

  • Literature review of hydrogel properties and applications in tissue engineering.
  • Analysis of biocompatibility data for natural and synthetic hydrogel materials.
  • Examination of design principles for effective hydrogel scaffold fabrication.

Main Results:

  • Hydrogels offer versatile platforms for tissue engineering, mimicking ECM structure.
  • Biocompatibility is a critical factor, influencing the success of hydrogel scaffolds.
  • Both natural and synthetic hydrogels present unique advantages and potential clinical complications.

Conclusions:

  • Optimized hydrogel design is key for successful tissue regeneration and biomedical applications.
  • Understanding hydrogel biocompatibility is essential for advancing regenerative medicine.
  • Future research should focus on smart, non-invasive hydrogels for enhanced therapeutic outcomes.