Cited by 615Tuberculosis Research and EpidemiologySteroid Chemistry and BiochemistryCholesterol and Lipid Metabolism

Essential Role for Cholesterol in Entry of Mycobacteria into Macrophages

Open access
Gatfield, John, Pieters, Jean·2000·Science

Abstract

Mycobacteria are intracellular pathogens that can invade and survive within host macrophages, thereby creating a major health problem worldwide. The molecular mechanisms involved in mycobacterial entry are still poorly characterized. Here we report that cholesterol is essential for uptake of mycobacteria by macrophages. Cholesterol accumulated at the site of mycobacterial entry, and depleting plasma membrane cholesterol specifically inhibited mycobacterial uptake. Cholesterol also mediated the phagosomal association of TACO, a coat protein that prevents degradation of mycobacteria in lysosomes. Thus, by entering host cells at cholesterol-rich domains of the plasma membrane, mycobacteria may ensure their subsequent intracellular survival in TACO-coated phagosomes.

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Crossref · 10.1126/science.288.5471.1647

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Authors
Gatfield, J., & Pieters, J.
Affiliations
Basel Institute for Immunology, Grenzacherstrasse 487, CH-4005 Basel, Switzerland.
Corresponding author
Pieters, Jean
Venue
Science
Published
2000-06-02
Volume
288
Issue
5471
Pages
1647-1651
ISSN
  • 0036-8075 (ISSN-L)
  • 1095-9203
OpenAlex
W2012416622
Cited by
615
References
2
Citations by year
2026: 6 · 2025: 9 · 2024: 26 · 2023: 13 · 2022: 29 · 2021: 10 · 2020: 19 · 2019: 21 · 2018: 25 · 2017: 20 · 2016: 31 · 2015: 22 · 2014: 30 · 2013: 21 · 2012: 28
FWCI
25.39
Type
journal article
Language
en
Open access
Locations
  • Science (publishedVersion)
  • PubMed (publishedVersion)
  • edoc (University of Basel) (acceptedVersion)
  • edoc (University of Basel)
Topics
  • Health Sciences › Medicine › Infectious Diseases › Tuberculosis Research and Epidemiology
  • Life Sciences › Biochemistry, Genetics and Molecular Biology › Molecular Biology › Steroid Chemistry and Biochemistry
  • Health Sciences › Medicine › Surgery › Cholesterol and Lipid Metabolism
Keywords
mycobacteria, macrophages, cholesterol, bacterial internalization, plasma membrane cholesterol, phagosome, tacos, phagosome-lysosome fusion, intracellular survival, host-pathogen interaction
MeSH terms
Animals, Cell Line, Cell Membrane, Cell Movement, Cholesterol, Macrophages, Membrane Fluidity, Mice, Inbred C57BL, Microfilament Proteins, Mycobacterium bovis, Phagocytosis, Phagosomes, Proteins, Protein Biosynthesis, Macrophage-1 Antigen, Mice

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