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Extracellular Vesicle Isolation and Characterization for Applications in Cartilage Tissue Engineering and Osteoarthritis Therapy

  • Alexander Otahal
  • , Andrea De Luna
  • , Ali Mobasheri
  • , Stefan Nehrer*
  • *Corresponding author for this work

    Research output: Chapter in Book/Report/Conference proceedingChapterAcademicpeer-review

    Abstract

    Extracellular vesicles (EVs) have the capacity for use in cartilage tissue engineering by stimulating tissue repair and microenvironmental reprogramming. This makes them ideal candidates for treating focal cartilage defects and cartilage degeneration in osteoarthritis (OA). Observational studies have reported beneficial biological effects of EVs, such as inhibition of inflammation, enhanced extracellular matrix deposition, and reduced cartilage degradation. Isolation of EVs derived from different source materials such as conditioned cell culture media or biofluids is essential to attribute observed biological effects to EVs as genuine effectors. This chapter presents a density- and a size-based method as well as a combination of both for isolation of EVs from conditioned cell culture media or biofluids. In addition, three methods for characterization of isolated EVs are suggested based on physical properties, protein profiling, and ultrastructural morphology.

    Original languageEnglish
    Title of host publicationCartilage Tissue Engineering
    EditorsM.J. Stoddart, E. Della Bella, A.R. Armiento
    PublisherHumana Press Inc.
    Chapter10
    Pages123-140
    Number of pages18
    Volume2598
    ISBN (Electronic)978-1-0716-2839-3
    ISBN (Print)978-1-0716-2838-6
    DOIs
    Publication statusPublished - 2023

    Publication series

    NameMethods in Molecular Biology
    Volume2598
    ISSN (Print)1064-3745
    ISSN (Electronic)1940-6029

    Keywords

    • Cartilage defect
    • Chondrocyte
    • Extracellular vesicle
    • Immunomodulation
    • Osteoarthritis
    • Regeneration

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