Mesenchymal stem cell mechanobiology and emerging experimental platforms

Area of Science:

• Biotechnology
• Stem Cell Biology
• Biomedical Engineering

Background:

• Cell microenvironment properties, including physical substrate characteristics (rigidity, topography, deformation), influence progenitor cell lineage specification.
• Multipotent mesenchymal stem cells (MSCs) actively sense and remodel their microenvironment through contractile forces, which directs their function and lineage commitment.
• Understanding the mechanobiology of MSCs is crucial for controlling cell fate, but requires advanced experimental tools.

Purpose of the Study:

• To review the field of MSC mechanobiology.
• To introduce emerging cell culture platforms for precise mechanical control.
• To bridge the gap between engineering and biology for studying mechanics-driven MSC function.

Main Methods:

• Review of current literature on MSC mechanobiology.
• Discussion of novel experimental platforms developed by engineers for precise mechanical factor control.
• Analysis of how these platforms enable new insights into MSC behavior.

Main Results:

• Emerging cell culture platforms offer enhanced precision and throughput for manipulating mechanical factors.
• These platforms facilitate detailed investigation into how physical forces direct MSC lineage specification.
• The review provides a comprehensive overview relevant for both engineers and biologists.

Conclusions:

• Precise control over the physical microenvironment is key to directing stem cell lineage specification.
• Advanced engineering platforms are essential for elucidating MSC mechanobiology.
• This interdisciplinary approach promises significant advancements in stem cell research and therapeutic applications.