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Related Concept Videos

Overview of Exosomes01:36

Overview of Exosomes

Exosomes are stable, lipid bilayer-enclosed vesicles capable of crossing biological barriers. They can carry a wide range of molecules required for intercellular communication. Once exosomes are released from the cell where they originated, they enter a recipient cell through various pathways such as fusion, receptor-mediated endocytosis, macropinocytosis, and phagocytosis.
Stahl et al. discovered exosomes in 1983, but the exosomes were initially considered waste products released from the...
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Upstream processing represents a critical phase in biomanufacturing, wherein biological systems such as microorganisms, mammalian cells, or insect cells are cultivated to produce therapeutic proteins, vaccines, enzymes, or other biologically derived products. This phase encompasses all steps from the selection and genetic manipulation of the production organism to the cultivation of cells in bioreactors under tightly controlled environmental conditions.Host Selection and Genetic OptimizationThe...

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A Nanoparticle-Integrated Complete Manufacturing Pipeline of Chemically Engineered Exosomes.

Xiaowei Wen1,2,3, Zixing Xu1,2,3, Zerun Hao1,2,3

  • 1Wisdom Lake Academy of Pharmacy, Xi'an Jiaotong-Liverpool University, Suzhou, China.

Advanced Science (Weinheim, Baden-Wurttemberg, Germany)
|March 24, 2026
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Summary

We developed Tat-PNCAS-MIMS-MSC-Exo, a novel technology for manufacturing engineered exosomes. This scalable process significantly improves exosome biogenesis, loading, isolation, and storage for cell therapies.

Keywords:
cell therapyextracellular vesiclenanomedicineproductionseparation

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Area of Science:

  • Biotechnology
  • Nanomedicine
  • Cell Therapy Manufacturing

Background:

  • Clinical translation of engineered exosomes is limited by manufacturing challenges.
  • Current methods face hurdles in exosome biogenesis, cargo loading, isolation, and storage.
  • Mesenchymal stem cells (MSCs) are a common source for therapeutic exosomes.

Purpose of the Study:

  • To present an integrated technology (Tat-PNCAS-MIMS-MSC-Exo) for chemically engineered exosome manufacturing.
  • To address and improve the four key manufacturing steps: biogenesis, cargo loading, isolation, and storage.
  • To demonstrate the scalability and robustness of the developed manufacturing process.

Main Methods:

  • Utilized nanoparticle PNCAS-Tat for integrated exosome manufacturing.
  • Employed Tat peptide for exosome biogenesis stimulation, amplified by nanoparticle conjugation.
  • Implemented mobile internal magnetic separation (MIMS) for scalable magnetic isolation.
  • Conducted mechanistic studies of nano-bio interactions and in vivo applications.

Main Results:

  • Achieved drastic improvements in all four manufacturing steps.
  • Demonstrated a novel nano-effect amplifying exosome biogenesis via nanoparticle conjugation.
  • Showcased scalable magnetic isolation with near-identical isolation times across different scales.
  • Validated the robust, scalable, and economical nature of the Tat-PNCAS-MIMS-MSC-Exo process.
  • Confirmed product applications in multiple disease models.

Conclusions:

  • Tat-PNCAS-MIMS-MSC-Exo offers a robust and scalable solution for engineered exosome manufacturing.
  • The technology overcomes critical bottlenecks in exosome production for clinical translation.
  • This advancement holds significant potential for the future of cell-based therapies.