Cited by 162Neuroinflammation and Neurodegeneration MechanismsInflammasome and immune disordersPhagocytosis and Immune Regulation

Human Induced Pluripotent Stem Cell-Derived Microglia-Like Cells Harboring TREM2 Missense Mutations Show Specific Deficits in Phagocytosis

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Garcia-Reitboeck, Pablo, Phillips, Alexandra, Piers, Thomas M., Villegas-Llerena, Claudio, Butler, Matt, Mallach, Anna, Rodrigues, Celia, Arber, Charles E. +7 more·2018·Cell Reports

Abstract

Dysfunction of microglia, the brain's immune cells, is linked to neurodegeneration. Homozygous missense mutations in TREM2 cause Nasu-Hakola disease (NHD), an early-onset dementia. To study the consequences of these TREM2 variants, we generated induced pluripotent stem cell-derived microglia-like cells (iPSC-MGLCs) from patients with NHD caused by homozygous T66M or W50C missense mutations. iPSC-MGLCs expressed microglial markers and secreted higher levels of TREM2 than primary macrophages. TREM2 expression and secretion were reduced in variant lines. LPS-mediated cytokine secretion was comparable between control and TREM2 variant iPSC-MGLCs, whereas survival was markedly reduced in cells harboring missense mutations when compared with controls. Furthermore, TREM2 missense mutations caused a marked impairment in the phagocytosis of apoptotic bodies, but not in Escherichia coli or zymosan substrates. Coupled with changes in apoptotic cell-induced cytokine release and migration, these data identify specific deficits in the ability of iPSC-MGLCs harboring TREM2 missense mutations to respond to specific pathogenic signals.

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Authors
Garcia-Reitboeck, P., Phillips, A., Piers, T. M., Villegas-Llerena, C., Butler, M., Mallach, A., Rodrigues, C., Arber, C. E., Heslegrave, A., Zetterberg, H., Neumann, H., Neame, S., Houlden, H., Hardy, J., & Pocock, J. M.
Affiliations
  • UCL Queen Square Institute of Neurology (GB)
  • University of Bonn (DE)
  • Eisai (United Kingdom) (GB)
Corresponding author
Pocock, Jennifer M.
Venue
Cell Reports
Publisher
Elsevier BV
Published
2018-08
Volume
24
Issue
9
Pages
2300-2311
ISSN
2211-1247 (ISSN-L)
OpenAlex
W2889172944
Cited by
162
References
45
Citations by year
2026: 11 · 2025: 15 · 2024: 20 · 2023: 11 · 2022: 28 · 2021: 26 · 2020: 29 · 2019: 20 · 2018: 1
FWCI
8.48
Type
journal article
Language
en
Open access
Locations
  • Cell Reports (publishedVersion, cc-by)
  • Europe PMC (PubMed Central) (publishedVersion, cc-by)
  • PubMed Central (publishedVersion, cc-by)
  • PubMed (publishedVersion)
  • UCL Discovery (University College London) (submittedVersion)
  • Spiral (Imperial College London) (submittedVersion, other-oa)
  • Zenodo (CERN European Organization for Nuclear Research) (submittedVersion, cc-by)
Funders
  • University College London
  • Medical Research Council (MR/M02492X/1)
  • Horizon 2020 Framework Programme
  • European Federation of Pharmaceutical Industries and Associations
  • Alzheimer's Society
  • Innovative Medicines Initiative (115976)
  • Alzheimer’s Research UK
Topics
  • Life Sciences › Neuroscience › Neurology › Neuroinflammation and Neurodegeneration Mechanisms
  • Life Sciences › Biochemistry, Genetics and Molecular Biology › Molecular Biology › Inflammasome and immune disorders
  • Life Sciences › Immunology and Microbiology › Immunology › Phagocytosis and Immune Regulation
Keywords
TREM2, missense mutations, Nasu-Hakola disease, microglia, phagocytosis, apoptotic bodies, neurodegeneration, cell survival, cytokine production, microglial migration
MeSH terms
Humans, Membrane Glycoproteins, Phagocytosis, Receptors, Immunologic, Microglia, Mutation, Missense, Induced Pluripotent Stem Cells

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