Evidence map›Paper›PMID 24355566›Full record

ReviewBiochemical pharmacology2014

TREM2 and the neuroimmunology of Alzheimer's disease.

Suzanne E Hickman, Joseph El Khoury

Abstract readReview
In one paragraph

Review in Biochemical pharmacology, 2014. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 128 papers.

0numbers the graph read from it
0cells of the map it votes in
128citing papers in PubMed
10.2field-weighted citation impact, top 2% of its field
1 · What the graph read from it

What it found

Each row is one number read from the abstract, on the scale the paper reported it, with its interval. Left of the dashed line favours the treatment, right favours the comparator. Under each row is the sentence it came from. New to these charts? A ten-minute tutorial.

The abstract states no effect estimate the extractor could read, or names no intervention and outcome on the map, so this paper lights no cell and moves no belief. It is still indexed, cited and linked below.

2 · The registry

The trial behind it

Trials whose registry record cites this paper, or whose number appears in the abstract. A trial that started after this paper was published is citing it as background, not reporting it.

Neither the registry nor the abstract names a trial number. If this is a trial report, that itself is worth knowing.

3 · Its place in the literature

Who cites it

128 citing papers in PubMed, 219 citations in OpenAlex.

  1. TREM2-Targeting peptide tracer for neuroinflammation PET imaging.European journal of nuclear medicine and molecular imaging · 2026
    Article
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  8. bioRxiv : the preprint server for biology · 2025
    Article
  9. International journal of molecular sciences · 2025
    Review
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  20. Amyloid-Beta, Tau, and Microglial Activation in Aged Felid Brains.The Journal of comparative neurology · 2024
    Article

68 more citing papers are in PubMed but not listed here.

4 · The record

Corrections and comments

PubMed lists nothing against this paper. Absence here is not a guarantee, only a check that was made.

5 · Who and what money

Authors and funding

2 authors at 2 institutions in 1 country.

Suzanne E HickmanCenter for Immunology and Inflammatory Diseases, Harvard Medical School, Boston, MA 02115, USA.
Joseph El KhouryCenter for Immunology and Inflammatory Diseases, Harvard Medical School, Boston, MA 02115, USA; Division of Infectious Diseases, Massachusetts General Hospital, Charlestown, MA 02129, USA. Electronic address: jelkhoury@partners.org.
Harvard University · USMassachusetts General Hospital · US

Funding

Toll-Like Receptor Signaling in Alzheimer's DiseaseR01AG032349 · NIA · MASSACHUSETTS GENERAL HOSPITAL · PI EL-KHOURY, JOSEPH EL, MOORE, KATHRYN J · 2008 to 2013
$2.4M
CD36 in Alzheimer's DiseaseR01NS059005 · NINDS · MASSACHUSETTS GENERAL HOSPITAL · PI EL-KHOURY, JOSEPH EL · 2008 to 2012
$1.8M
NIA NIH HHS AG032349NIA NIH HHS R01 AG032349NINDS NIH HHS NS059005NINDS NIH HHS R01 NS059005
6 · The paper itself

Abstract

Late-onset Alzheimer's disease (AD) is a sporadic disorder with increasing prevalence in aging. The ɛ4 allele of Apolipoprotein E(ApoEɛ4) was the only known major risk factor for late onset AD. Recently, two groups of investigators independently identified variants of the TREM2 gene, encoding triggering receptor expressed on myeloid cells 2 as causing increased susceptibility to late onset AD with an odds ratio similar to that of ApoEɛ4. TREM2 is a receptor expressed on innate immune cells. Using a novel technology called Direct RNA Sequencing wedetermined the quantitative transcriptome of microglia, the principal innate neuroimmune cells and confirmed that TREM2 is a major microglia-specific gene in the central nervous system. Over the past several years we have shown that microglia play a dichotomous role in AD. Microglia can be protective and promote phagocytosis, degradation and ultimately clearance of Aβ, the pathogenic protein deposited in the brains of Alzheimer's patients. However, with disease progression, microglia become dysfunctional, release neurotoxins, lose their ability to clear Aβ and produce pro-inflammatory cytokines that promote Aβ production and accumulation. TREM2 has been shown to regulate the phagocytic ability of myeloid cells and their inflammatory response. Here we propose that the mechanism(s) by which TREM2 variants cause Alzheimer's disease are via down regulation of the Aβ phagocytic ability of microglia and by dysregulation of the pro-inflammatory response of these cells. Based on our discussion we propose that TREM2 is a potential therapeutic target for stopping ordelaying progression of AD.

Indexed as

Alzheimer DiseaseAmyloid beta-PeptidesGenetic Predisposition to DiseaseHumansMembrane GlycoproteinsMicrogliaPhagocytesReceptors, ImmunologicRisk FactorsAmyloid beta-PeptidesMembrane GlycoproteinsReceptors, ImmunologicTREM2 protein, humanAlzheimer's diseaseMicrogliaNeuroImmunologyTREM2

Identifiers

PMID24355566
PMCPMC3972304
OpenAlexW2070847731

What OpenQuestion holds

Textmetadata
LicenceTDM
Read underepoch 390

Registered trials

None linked

Read under generation 80e0d062 · epoch 390. Bibliography from PubMed, PubMed Central and OpenAlex; grants from NIH RePORTER; trial links from ClinicalTrials.gov; estimates, votes and beliefs from the OpenQuestion graph.