A high throughput screening system for studying the effects of applied mechanical forces on reprogramming factor...

Area of Science:

• Mechanobiology
• Cellular Mechanotransduction
• Biomedical Engineering

Background:

• Mechanical forces are crucial for maintaining physiological homeostasis and disease progression.
• Current methods for applying mechanical forces to cells lack flexibility and high throughput.
• There is a need for advanced platforms to study mechanobiology and facilitate drug screening.

Purpose of the Study:

• To develop a novel high-throughput platform for applying complex dynamic mechanical forces to cultured cells.
• To validate the system's accuracy and efficiency in applying mechanical stretch.
• To screen for optimized conditions and identify compounds that modulate gene expression under mechanical load.

Main Methods:

• Development of a high-throughput platform capable of applying parallel mechanical stretch in 96- and 576-well plate formats.
• Validation of the system for accurate and simultaneous force application.
• High-throughput mechanobiological screening assays to identify small molecules and optimized conditions.

Main Results:

• The developed platform accurately applies parallel mechanical stretch in a high-throughput format.
• Screening identified optimized conditions to increase Oct-4 and other transcription factor expression in mouse fibroblasts.
• Small molecules were identified that synergistically enhance reprogramming-related gene expression with mechanical loading.

Conclusions:

• The study presents a powerful new tool for mechanobiological research and drug screening.
• The platform enables investigation of mechanobiological mechanisms underlying disease.
• This technology facilitates the discovery of compounds that modulate cellular responses to mechanical stimuli.