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Related Concept Videos

Overview of Exosomes01:36

Overview of Exosomes

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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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Updated: Jan 16, 2026

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Exosome-Based Cartilage-Targeted Delivery System: Strategies and Applications.

Yao Wang1, Bo Chen2, Haodong Zhu2

  • 1Department of Orthopedic Surgery Shanghai Ninth People's Hospital Shanghai Jiao Tong University School of Medicine Shanghai 200011 China.

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|January 15, 2026
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Summary
This summary is machine-generated.

Cartilage-targeted exosomes show promise for treating osteoarthritis and disc degeneration. This review details exosome modification strategies for effective cartilage regeneration and therapeutic applications.

Keywords:
cartilage‐targeted deliveryexosomeintervertebral disc degenerationosteoarthritisrheumatoid arthritis

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Area of Science:

  • Biomedical Engineering
  • Regenerative Medicine
  • Nanotechnology

Background:

  • Ageing global population increases prevalence of cartilage diseases like osteoarthritis (OA) and intervertebral disc degeneration (IVDD).
  • Exosomes are promising therapeutic vectors for cartilage regeneration due to biocompatibility and penetration.
  • Current research lacks a specific review on cartilage-targeted exosomes and their therapeutic strategies.

Purpose of the Study:

  • To systematically review cartilage-targeted exosome construction strategies.
  • To highlight translational applications of these exosomes in treating OA and IVDD.
  • To provide a reference for future research and clinical translation in cartilage therapy.

Main Methods:

  • Review of existing literature on exosome modification for cartilage targeting.
  • Systematic integration of direct surface modification and parental cell engineering techniques.
  • Analysis of exosome applications in osteoarthritis and intervertebral disc degeneration models.

Main Results:

  • Detailed elaboration on construction strategies for cartilage-targeted exosomes.
  • Exploration of application progress in OA and IVDD contexts.
  • Identification of two primary modification methods: direct surface modification and parental cell engineering.

Conclusions:

  • Cartilage-targeted exosomes offer a promising therapeutic avenue for cartilage repair.
  • Specific exosome modification strategies enhance targeting efficiency for cartilage diseases.
  • Further research and clinical translation are needed to fully realize the potential of these exosomes.