Comprehension of ECM-cell dynamics: a prerequisite for tissue regeneration

Area of Science:

• Biomedical Engineering
• Regenerative Medicine
• Tissue Engineering

Background:

• Tissue regeneration and cell therapy hold significant promise for healthcare by enabling the creation of artificial human tissues and organs.
• Functional tissue replicas can serve as versatile solutions for various medical conditions and as advanced models for drug discovery.
• Current research suggests that culturing cells within extracellular matrix (ECM)-mimicking 3D scaffolds, enriched with biochemical cues, promotes cell growth and differentiation.

Purpose of the Study:

• To review the major technical challenges impeding progress in tissue regeneration and engineering (TE).
• To highlight the critical need for a comprehensive understanding of cell-extracellular matrix (ECM) dynamics in developing functional ex vivo tissue models.

Main Methods:

• Review of existing literature on tissue engineering, cell-ECM interactions, and regenerative medicine.
• Discussion of key technical hurdles in achieving successful in vitro tissue neogenesis and in vivo functional tissue repair.

Main Results:

• Convincing evidence supports the potential of ECM-mimicking scaffolds for tissue development.
• A comprehensive understanding of cell-ECM dynamics is vital but remains a significant challenge.
• Numerous technical hurdles currently hinder advancements in tissue engineering.

Conclusions:

• Overcoming challenges in cell-ECM dynamics is essential for advancing tissue engineering.
• Successful tissue engineering requires addressing technical hurdles for both in vitro and in vivo applications.
• Further research is needed to develop affordable, user-friendly, and viable solutions for tissue regeneration.