Novel Chip for Applying Mechanical Forces on Human Skin Models Under Dynamic Culture Conditions.

Area of Science:

• Biomedical Engineering
• Tissue Engineering
• In Vitro Models

Background:

• Increasing demand for alternatives to animal testing in biological research.
• Advancements in microfluidic technology for creating sophisticated in vitro models.
• Need for dynamic and controllable experimental setups for skin research.

Purpose of the Study:

• To develop an accessible, low-cost dynamic microfluidic device for skin-on-a-chip applications.
• To create a platform that allows for the incorporation of physical stimuli during cell culture.
• To demonstrate the feasibility of establishing a functional skin model in vitro.

Main Methods:

• Fabrication of an open-top dynamic microfluidic device using polydimethylsiloxane and a porous polyethylene terephthalate membrane.
• Integration of syringe pumps to apply compressive stimuli during cell cultivation.
• Cultivation and observation of cellular differentiation and skin structure formation within the chip.

Main Results:

• Successful development of an easy-to-use and budget-friendly microfluidic device.
• Demonstration of cellular differentiation and the formation of a skin-like structure within the chip.
• Proof-of-concept showing the viability of the skin-on-a-chip model under dynamic conditions.

Conclusions:

• The developed microfluidic skin-on-a-chip model provides a viable, cost-effective platform for in vitro research.
• This model can be utilized for future drug testing and feasibility studies, reducing reliance on animal models.
• The ability to apply physical stimuli enhances the relevance of the model for mimicking in vivo conditions.