Cited by 960Tuberculosis Research and EpidemiologyLeprosy Research and TreatmentImmune responses and vaccinations

M. tuberculosis and M. leprae Translocate from the Phagolysosome to the Cytosol in Myeloid Cells

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van der Wel, Nicole, Hava, David, Houben, Diane, Fluitsma, Donna, van Zon, Maaike, Pierson, Jason, Brenner, Michael, Peters, Peter J.·2007·Cell

Abstract

M. tuberculosis and M. leprae are considered to be prototypical intracellular pathogens that have evolved strategies to enable growth in the intracellular phagosomes. In contrast, we show that lysosomes rapidly fuse with the virulent M. tuberculosis- and M. leprae-containing phagosomes of human monocyte-derived dendritic cells and macrophages. After 2 days, M. tuberculosis progressively translocates from phagolysosomes into the cytosol in nonapoptotic cells. Cytosolic entry is also observed for M. leprae but not for vaccine strains such as M. bovis BCG or in heat-killed mycobacteria and is dependent upon secretion of the mycobacterial gene products CFP-10 and ESAT-6. The cytosolic bacterial localization and replication are pathogenic features of virulent mycobacteria, causing significant cell death within a week. This may also reveal a mechanism for MHC-based antigen presentation that is lacking in current vaccine strains.

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Crossref · 10.1016/j.cell.2007.05.059

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  • The ESX-1 system is involved in bacterial phagosome-to-cytosol transition of M. tuberculosis and host cell death.

    “The ESX-1 system was shown to be involved in bacterial phagosome-tocytosol transition of M. tuberculosis and host cell death (66)(67)(68), an important cell biological process that has numerous consequences for the host cell, such as induc-tion of the cGAS/STING/TBK1/IRF-3/type I interferon signalling axis and NLRP3 inflammasome activation (69)(70)(71)(72)(73)(74)(75).”

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Authors
van der Wel, N., Hava, D., Houben, D., Fluitsma, D., van Zon, M., Pierson, J., Brenner, M., & Peters, P. J.
Affiliations
  • Brigham and Women's Hospital (US)
  • The Netherlands Cancer Institute (NL)
  • Amsterdam UMC Location Vrije Universiteit Amsterdam (NL)
Corresponding author
Peters, Peter J.
Venue
Cell
Publisher
Elsevier BV
Published
2007-06
Volume
129
Issue
7
Pages
1287-1298
ISSN
0092-8674 (ISSN-L)
OpenAlex
W2121449107
Cited by
960
References
54
Citations by year
2026: 15 · 2025: 33 · 2024: 44 · 2023: 34 · 2022: 49 · 2021: 48 · 2020: 54 · 2019: 65 · 2018: 41 · 2017: 67 · 2016: 52 · 2015: 70 · 2014: 70 · 2013: 65 · 2012: 65
FWCI
29.15
Type
journal article
Language
en
Open access
Locations
  • Cell (publishedVersion)
  • PubMed (publishedVersion)
  • Data Archiving and Networked Services (DANS) (submittedVersion)
  • Pure Amsterdam UMC (submittedVersion)
Funders
Damon Runyon Cancer Research Foundation (DRG-1814-04)
Topics
  • Health Sciences › Medicine › Infectious Diseases › Tuberculosis Research and Epidemiology
  • Health Sciences › Medicine › Infectious Diseases › Leprosy Research and Treatment
  • Life Sciences › Immunology and Microbiology › Immunology › Immune responses and vaccinations
Keywords
Mycobacterium tuberculosis, Mycobacterium leprae, monocyte-derived dendritic cells, macrophages, CFP-10, ESAT-6, virulence factors, MHC antigen presentation, BCG vaccine strains, intracellular pathogens
MeSH terms
Cell Compartmentation, Cell Division, Cell Movement, Cells, Cultured, Cytosol, Host-Parasite Interactions, Humans, Immunohistochemistry, Intracellular Membranes, Lysosomes, Membrane Proteins, Mycobacterium, Mycobacterium leprae, Mycobacterium tuberculosis, Phagosomes, Biomarkers, Gene Expression Regulation, Bacterial, Cell Death, Antigen Presentation, Myeloid Cells, Microscopy, Electron, Transmission, Cell Proliferation

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