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REVIEW ARTICLE Engineering bio-inks for 3D bioprinting cell mechanical microenvironment.

Yanshen Yang1,2, Yuanbo Jia1,2, Qingzhen Yang1,2

  • 1The Key Laboratory of Biomedical Information Engineering of Ministry of Education, School of Life Science and Technology, Xi'an Jiaotong University, Xi'an, Shaanxi, 710049, P.R. China.

International Journal of Bioprinting
|February 27, 2023
PubMed
Summary

This review explores how mechanical properties in bio-inks are crucial for 3D bioprinting functional tissues. It highlights engineered bio-inks for creating cell microenvironments and discusses future challenges in regenerative medicine.

Keywords:
Bio-inksBiofabricationBioprintingMechanical microenvironment

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Area of Science:

  • Biomaterials Science
  • Tissue Engineering
  • Regenerative Medicine

Background:

  • Three-dimensional (3D) bioprinting is vital for creating functional biomimetic tissues.
  • Bio-inks are essential components in 3D bioprinting, influencing cell microenvironment and regenerative outcomes.
  • Mechanical properties, including stiffness, viscoelasticity, and topography, are key aspects of the cell microenvironment.

Purpose of the Study:

  • To review critical mechanical cues in cell microenvironments relevant to 3D bioprinting.
  • To examine engineered bio-inks for their role in constructing cell mechanical microenvironments.
  • To discuss current challenges and potential solutions in the field of bio-ink development for mechanical microenvironment engineering.

Main Methods:

  • Literature review of advancements in functional biomaterials for bio-inks.
  • Analysis of selection principles for bio-inks based on mechanical properties.
  • Synthesis of information on engineering cell mechanical microenvironments in vivo.

Main Results:

  • Engineered bio-inks now allow for the manipulation of cell mechanical microenvironments.
  • Understanding mechanical cues is critical for designing effective bio-inks.
  • Various bio-inks offer possibilities for mimicking native tissue mechanics.

Conclusions:

  • Mechanical properties of bio-inks are fundamental for successful tissue engineering via 3D bioprinting.
  • Further research is needed to overcome challenges in bio-ink development and application.
  • Optimized bio-inks hold significant promise for advancing regenerative medicine.