ArticleBrain, behavior, and immunity2024
Evidence for reduced anti-inflammatory microglial phagocytic response in late-life major depression.
Article in Brain, behavior, and immunity, 2024. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 4 papers.
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Who cites it
4 citing papers in PubMed.
- Interplay between Peripheral and Central Nervous System Myeloid Cells during Aging: Impact for Lade-Life Depression and Alzheimer's Disease.Neuroimmunomodulation · 2026Review
- The central role of microglia in major depressive disorder and its potential as a therapeutic target.Frontiers in behavioral neuroscience · 2025Review
- The interrelationships of CSF sTREM2, AD pathology, minimal depressive symptoms, and cognition in non-demented adults.Alzheimer's research & therapy · 2024Article
- Pharmacological inhibition of MKP-1 exacerbates central post-stroke pain and neuroinflammation in mice.Molecular painArticle
Corrections and comments
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Authors and funding
10 authors.
Funding
Abstract
Major depressive disorder (MDD) is associated with Alzheimer's disease (AD) but the precise mechanisms underlying this relationship are not understood. While it is well established that cerebrospinal fluid (CSF) soluble levels of triggering receptor expressed on myeloid cells 2 (sTREM2) increase during early stages of AD, how sTREM2 levels behave in subjects with MDD is not known. In a longitudinal study, we measured CSF sTREM2 levels in 27 elderly cognitively intact individuals with late-life major depression (LLMD) and in 19 healthy controls. We tested the hypothesis that, similarly to what happens in early stages of AD, CSF sTREM2 would be elevated in MDD. In addition, we compared the associations of CSF sTREM2, pro- and anti- inflammatory, and AD biomarkers in LLMD and control subjects. Surprisingly, we found that mean CSF sTREM2 levels were significantly reduced in LLMD compared to controls. This reduction was no longer significant at the 3-year follow-up visit when depression severity improved. In addition, we found that CSF sTREM2 was associated with AD biomarkers and proinflammatory cytokines in controls but not in LLMD. These findings suggest that impaired microglia phagocytic response to AD pathology may be a novel link between MDD and AD.
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Registered trials
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