Lysosomes and lysosome-related organelles in immune responses

Colin Watts (Lead / Corresponding author)

    Research output: Contribution to journalReview articlepeer-review

    3 Citations (Scopus)
    24 Downloads (Pure)

    Abstract

    The catabolic, degradative capacity of the endo-lysosome system is put to good use in mammalian immune responses as is their recently established status as signaling platforms. From the ‘creative destruction’ of antigenic and ‘self’ material for antigen presentation to T cells to the re-purposing of lysosomes as toxic exocytosable lysosome-related organelles (granules) in leukocytes such as CD8 T cells and eosinophils, endo-lysosomes are key players in host defense. Signaled responses to some pathogen products initiate in endo-lysosomes and these organelles are emerging as important in distinct ways in the unique immunobiology of dendritic cells. Potential self-inflicted toxicity from lysosomal and granule proteases is countered by expression of serpin and cystatin family members.

    Original languageEnglish
    Pages (from-to)678-693
    Number of pages16
    JournalFEBS Open Bio
    Volume12
    Issue number4
    Early online date26 Feb 2022
    DOIs
    Publication statusPublished - 30 Apr 2022

    Keywords

    • lysosomes
    • lysosome-related organelles
    • endocytosis
    • antigen processing
    • immune response
    • proteases

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