Cell Membrane-Coated Electrospun Fibers Enhance Keratinocyte Growth through Cell-Type Specific Interactions

Area of Science:

• Biomaterials Science
• Regenerative Medicine
• Cell Biology

Background:

• Cell membrane-coated fiber scaffolds offer potential in regenerative medicine by presenting cell surface antigens and topographical cues.
• The specific mechanisms driving cellular behavior changes on these scaffolds, particularly the role of cell-cell interactions, require further investigation.

Purpose of the Study:

• To explore the impact of scaffold fiber diameter and surface charge on cell membrane coating efficiency.
• To investigate the specific cell-cell interactions involved in modulating cellular responses on cell membrane-coated scaffolds.

Main Methods:

• Fabrication of fiber scaffolds with varying fiber diameters and surface charges.
• Coating scaffolds with fibroblast and red blood cell membranes.
• Culturing human keratinocytes on coated and plain scaffolds.
• Evaluating keratinocyte growth and cellular responses.

Main Results:

• Scaffold fiber diameter and surface charge influence cell membrane coating efficiency.
• Fibroblast membrane-coated scaffolds significantly enhanced human keratinocyte growth compared to red blood cell membrane-coated and plain scaffolds.
• These findings suggest that specific cell-cell interactions are preserved and functional on the coated scaffolds.

Conclusions:

• Cell membrane-coated scaffolds possess inherent biofunctionality for regenerative applications.
• Specific cell-cell interactions mediated by the cell membrane coating play a crucial role in modulating cellular responses.
• Future research should focus on leveraging these specific interactions for targeted tissue regeneration.