ArticleMetabolic brain disease2025
Exploring SERPINA3 as a neuroinflammatory modulator in Alzheimer's disease with sex and regional brain variations.
Article in Metabolic brain disease, 2025. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 7 papers.
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Who cites it
7 citing papers in PubMed.
- Synaptic pruning genes networks in Alzheimer's disease: correlations with neuropathology and cognitive decline.GeroScience · 2026Article
- Colostrum extracellular vesicles are neuroprotective in models of Parkinson's disease.Theranostics · 2026Article
- Integrated Multi-Tissue Transcriptomics Reveals Antagonistic Pleiotropy in Aging and Alzheimer's Disease.Computational and structural biotechnology journal · 2026Article
- Sex-Specific Molecular Architecture of Microglia-Mediated Neuronal Pruning Across the Human Lifespan.Molecular neurobiology · 2025Article
- Single-Cell Multi-Modal Differential Analysis of the Human Neo-Cortex in HIV Infection Reveals Similarities with Hallmarks of Alzheimer's Disease.Research square · 2025Article
- Emerging Role of Oligodendrocytes Malfunction in the Progression of Alzheimer's Disease.Journal of neuroimmune pharmacology : the official journal of the Society on NeuroImmune Pharmacology · 2025Review
- Gender Differences in the Effects of Exercise Interventions on Alzheimer's Disease.Brain sciences · 2025Review
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8 authors.
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Abstract
SERPINA3, a serine protease inhibitor, is strongly associated with neuroinflammation, a typical condition of AD. Its expression is linked to microglial and astrocytic markers, suggesting it plays a significant role in modulating neuroinflammatory responses. In this study, we examined the SERPINA3 expression levels, along with CHI3L1, in various brain regions of AD patients and non-demented healthy controls (NDHC). Nineteen microarray datasets were analyzed, with brain samples stratified by sex and age from areas including the prefrontal cortex, occipital lobe, and cerebellum. Results showed that SERPINA3 was significantly highly expressed in AD patients compared to NDHCs only in males. Sex-specific differences were observed only in NDHCs, where females had higher SERPINA3 levels than males. ROC analysis suggested that SERPINA3 could be a strong marker for distinguishing AD in males but not females. In NDHCs, SERPINA3 expression correlated more strongly with age than in AD patients. In brain regions, SERPINA3 expression in NDHC females was higher across multiple areas, while in AD patients, this difference was limited to the prefrontal cortex. The most significant differences between NDHC and AD patients were found in the occipital and prefrontal regions. Furthermore, we identified a potential nuclear localization for SERPINA3, supported by immunohistochemistry analysis from The Human Protein Atlas. Correlation with neuropathological traits, including Clinical Dementia Rating (CDR) and Braak Neurofibrillary Tangle Score, showed positive significant associations between SERPINA3 and CDR in AD patients. Performing a docking analysis, we revealed an interaction region between SERPINA3 and CHI3L1 proteins, suggesting a potential role in AD. Tissue transcriptomic deconvolution analysis indicated a significant overlap between SERPINA3 expression and microglial/astrocytic signatures, suggesting that SERPINA3 plays a key role in modulating neuroinflammation in AD.
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