[Exosome separation and analysis based on microfluidics technology and its clinical applications]

Area of Science:

• Biotechnology and Nanomedicine
• Cell Biology and Extracellular Vesicles

Background:

• Exosomes, nanoscale vesicles involved in intercellular communication, are implicated in disease pathogenesis.
• Investigating exosomes is vital for disease diagnosis and treatment, but their heterogeneity and small size pose significant isolation and analysis challenges.
• Traditional separation methods like ultracentrifugation are insufficient for precise exosome isolation and analysis.

Purpose of the Study:

• To discuss microfluidics techniques for exosome separation and detection.
• To examine strategies for isolating exosomes based on their physicochemical properties.
• To explore the potential of microfluidics in exosome-based disease diagnosis and precision medicine.

Main Methods:

• Microfluidics platforms enabling miniaturization, precise control, high throughput, and integration for exosome analysis.
• Separation strategies exploiting exosome properties such as surface markers, size, charge, and polarity.
• Analysis techniques including traditional group-exosome and novel single-exosome approaches.

Main Results:

• Microfluidics facilitates efficient exosome separation, purification, and concentration enhancement.
• Lab-on-a-chip methods enable highly pure exosome isolation based on diverse physicochemical traits.
• Transition to single-vesicle analysis via microfluidics allows exploration of exosome heterogeneity.

Conclusions:

• Microfluidics technology provides powerful tools for overcoming exosome isolation and analysis challenges.
• This technology enhances exosome purification and characterization, supporting personalized and precision medicine.
• Microfluidics-based exosome analysis holds significant promise for advancing disease diagnosis and therapeutic strategies.