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Efficient Enzymatic Glycan Engineering of Extracellular Vesicles Using Nanomaterial-Interfaced Microfluidics.

Xin Zhou1, Mohit Jaiswal1, Jingzhu Shi1

  • 1Department of Chemistry, University of Florida, Gainesville, Florida 32611, United States.

ACS Applied Materials & Interfaces
|December 19, 2024
PubMed
Summary

This study introduces a novel microfluidic and enzymatic method for engineering extracellular vesicles (EVs). This streamlined approach enhances EV functionalization efficiency for diverse therapeutic applications.

Keywords:
click chemistryenzymatic glycan engineeringextracellular vesiclefluorescent labelingmicrofluidics

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Area of Science:

  • Biotechnology
  • Nanotechnology
  • Cell Biology

Background:

  • Extracellular vesicles (EVs) are crucial for biological and medical applications, including therapeutics.
  • Efficient engineering methods are needed to meet the growing demand for functionalized EVs.
  • Current EV engineering techniques can be complex and time-consuming.

Purpose of the Study:

  • To develop a facile and efficient technology for engineering extracellular vesicles (EVs).
  • To integrate enzymatic glycoengineering with microfluidics for streamlined EV functionalization.
  • To demonstrate the applicability of the developed technology across different cancer cell-derived EVs.

Main Methods:

  • Utilized a 3D nanostructured microfluidic device for a multi-step EV engineering process.
  • Employed enzymatic glycoengineering to install azido-sialic acid residues onto EV glycans.
  • Applied biocompatible click chemistry to attach functionalities like biotin and fluorescent labels to azido-glycans.

Main Results:

  • The integrated microfluidic and enzymatic approach significantly improved the efficiency of EV glycoengineering.
  • The workflow was simplified and expedited compared to traditional EV engineering methods.
  • Successfully functionalized EVs derived from A549, PC3, and COLO-1 cancer cell lines.

Conclusions:

  • The developed EV engineering technology offers an efficient and streamlined method for EV functionalization.
  • This approach holds potential for broad applications in therapeutics and other biological fields.
  • The technology is adaptable for EVs from various cancer cell types.