Microglia‐Related Gene Triggering Receptor Expressed in Myeloid Cells 2 (TREM2) Is Upregulated in the Substantia Nigra of Progressive Supranuclear Palsy
Abstract
Background: The role of the microglia‐related gene triggering receptor expressed in myeloid cells 2 (TREM2) in primary tauopathies, such as progressive supranuclear palsy (PSP), still remains unclear. Objectives: The objective of this study was to profile overall and transcript‐specific TREM2 expression levels in the substantia nigra (SN) of PSP patients and controls. Methods: SN samples from neuropathologically confirmed PSP cases (n = 24) and controls (n = 14) were used to measure TREM2 and TREM2‐modulating gene Membrane‐spanning 4‐domains subfamily A member 4A (MS4A4A) mRNA levels by real‐time quantitative polymerase chain reaction. Correlation with hyperphosphorylated tau protein burden was assessed. Results: Overall TREM2 and each of the 3 TREM2 transcripts mRNA levels were significantly increased in the SN of PSP cases versus controls. TREM2 mRNA levels positively correlated with hyperphosphorylated tau burden in SN, specifically in neurons. The MS4A4A gene was also upregulated in PSP patients versus controls. Conclusions: These results add evidence to the involvement of microglia in the disease process of PSP. These findings support the idea that different tauopathies may share common patterns of deregulation in innate immune molecular pathways. © 2020 International Parkinson and Movement Disorder Society
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Expression levels of TREM2 and MS4A4A genes were upregulated in the substantia nigra of PSP patients versus controls.
“Notably, the expression level of TREM2 and MS4A4A gene were also upregulated in the substantia nigra of PSP patients versus controls.”
From Microglia in neurodegenerative diseases: mechanism and potential therapeutic targets (2023) · cites this paper as [371]
Tauopathies may share similar immune regulation mechanisms.
“Moreover, these findings suggest that tauopathies may share similar immune regulation mechanisms.”
From Microglia in neurodegenerative diseases: mechanism and potential therapeutic targets (2023) · cites this paper as [371]
Microglia participate in the disease process of PSP.
“The above evidence suggests that microglia participate in the disease process of PSP.”
From Microglia in neurodegenerative diseases: mechanism and potential therapeutic targets (2023) · cites this paper as [371]
A positive correlation was found between TREM2 mRNA levels and hyperphosphorylated tau burden in the substantia nigra, specifically in neurons.
“A positive correlation was found between TREM2 mRNA levels and hyperphosphorylated tau burden in the substantia nigra, specifically in neurons.371”
From Microglia in neurodegenerative diseases: mechanism and potential therapeutic targets (2023) · cites this paper as [371]
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Microglia in neurodegenerative diseases: mechanism and potential therapeutic targets
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BackgroundInfluential
- Authors
- Sánchez‐Ruiz de Gordoa, J., Erro, M. E., Vicuña‐Urriza, J., Zelaya, M. V., Tellechea, P., Acha, B., Zueco, S., Urdánoz‐Casado, A., Roldán, M., Blanco‐Luquin, I., & Mendioroz, M.
- Affiliations
- Department of Neurology Complejo Hospitalario de Navarra Pamplona Navarra Spain
- Universidad Pública de Navarra (UPNA) (ES)
- Complejo Hospitalario de Navarra (ES)
- Corresponding author
- Erro, María Elena
- ORCID
- Venue
- Movement Disorders
- Publisher
- Wiley
- Published
- 2020-02-07
- Volume
- 35
- Issue
- 5
- Pages
- 885-890
- ISSN
- 0885-3185 (ISSN-L)
- 1531-8257
- OpenAlex
- W3004886949
- Cited by
- 18
- References
- 34
- Citations by year
- 2026: 1 · 2025: 4 · 2024: 1 · 2023: 8 · 2021: 2 · 2020: 2
- FWCI
- 1.16
- Type
- journal article
- Language
- en
- Open access
- closed
- Locations
- Movement Disorders (publishedVersion)
- PubMed (publishedVersion)
- Topics
- Life Sciences › Neuroscience › Neurology › Neuroinflammation and Neurodegeneration Mechanisms
- Health Sciences › Medicine › Neurology › Parkinson's Disease Mechanisms and Treatments
- Health Sciences › Medicine › Physiology › Alzheimer's disease research and treatments
- Keywords
- TREM2, progressive supranuclear palsy, substantia nigra, microglia, MS4A4A, hyperphosphorylated tau, tauopathy, innate immunity, gene expression profiling, neuroinflammation
- MeSH terms
- Humans, Membrane Glycoproteins, Receptors, Immunologic, Substantia Nigra, Supranuclear Palsy, Progressive, Microglia, Myeloid Cells, Tauopathies
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