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Scalable Biomanufacturing Workflow to Produce and Isolate Natural Killer Cell-Derived Extracellular Vesicle-Based Cancer Biotherapeutics
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Scalable Biomanufacturing Workflow to Produce and Isolate Natural Killer Cell-Derived Extracellular Vesicle-Based Cancer Biotherapeutics

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Opportunities and challenges of natural killer cell-derived extracellular vesicles

Yuchen Qi1,2, Xiang Zhao2, Yan Dong2

  • 1School of Medical and Life Sciences, Chengdu University of Traditional Chinese Medicine, Chengdu, China.

Frontiers in Bioengineering and Biotechnology
|April 17, 2023
PubMed

Insights

Natural killer cell-derived extracellular vesicles (NEVs) show promise for tumor immunotherapy. These cell-free vesicles can be engineered to enhance their direct tumor-killing capabilities and immune cell interactions.

Area of Science:

  • Immunology
  • Biotechnology
  • Cell Biology

Background:

  • Extracellular vesicles (EVs) mediate intercellular communication in health and disease.
  • Natural killer cell-derived EVs (NEVs) possess cytotoxic properties similar to NK cells.
  • NEVs are explored as biomarkers, therapeutic agents, and drug delivery systems.

Purpose of the Study:

  • To provide an overview of NEV characteristics and functions.
  • To focus on NEV production, isolation, and characterization.
  • To discuss engineering strategies for NEV-based tumor immunotherapy.

Main Methods:

  • Review of existing literature on NEVs.
  • Analysis of NEV production and isolation techniques.
  • Examination of functional characterization and engineering approaches.

Main Results:

  • NEVs contain cytotoxic proteins, receptors, and cytokines, enabling direct tumor cell killing.
  • The nanoscale size and natural targeting of NEVs facilitate precise tumor cell elimination.
  • Engineering NEVs offers potential for enhanced antitumor therapeutic capabilities.

Conclusions:

  • NEVs represent a promising cell-free modality for tumor immunotherapy.
  • Understanding NEV characteristics and engineering is crucial for therapeutic development.
  • NEVs can be modified to improve their efficacy in cancer treatment.
Keywords:
cancer immunotherapyengineering strategyextracellular vesiclesnatural killer celltumor microenvironment

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