ArticleMolecular medicine (Cambridge, Mass.)2025
The SARS-CoV-2 nucleocapsid protein induces microglia senescence-mediated cognitive impairment via Glycolysis.
Article in Molecular medicine (Cambridge, Mass.), 2025. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 1 paper.
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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.
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Who cites it
1 citing paper in PubMed.
- Esketamine Attenuates Postoperative Neurocognitive Disorder in Aged Mice: Associations with Bioenergetic Remodeling in Hippocampal CD11b-Enriched Cell Fractions and Glycolysis-Related Signaling.Drug design, development and therapy · 2026Article
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12 authors.
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Abstract
The COVID-19 pandemic has precipitated a surge in neurocognitive dysfunction, with long-term implications for global health systems and socioeconomic stability. Despite growing clinical recognition of post-COVID cognitive deficits ("brain fog"), the molecular mechanisms driving these impairments remain poorly understood. Our study addresses this critical gap by identifying SARS-CoV-2 nucleocapsid protein (SARS-CoV-2 N protein), a core structural component of the virus, as a novel etiological factor in senescence-mediated cognitive decline. We observed that SARS-CoV-2 N protein caused microglial senescence both in vivo and in vitro. Mechanistically, SARS-CoV-2 N protein-induced metabolic shifting toward glycolysis initiated a cascade of microglial senescence, which propagated cognitive impairment. We found that glycolysis inhibition reduced SARS-CoV-2 N protein-triggered microglial senescence and attenuated cognitive impairment in mice. Disrupted mitochondrial dynamics impaired oxidative phosphorylation capacity, forcing glycolytic reprogramming that ultimately triggered cellular senescence activation. We found that the SARS-CoV-2 N protein promoted excessive mitochondrial dysfunction in microglia, resulting in mitochondrial fragmentation. Inhibition of mitochondrial fission effectively rescued SARS-CoV-2 N protein-induced microglial senescence. In conclusion, our study suggests that the SARS-CoV-2 N protein induces senescence-mediated cognitive impairment by promoting glycolysis in microglia. Therapeutic targeting of glycolysis in SARS-CoV-2 N protein-triggered microglial senescence could be beneficial for treating or preventing cognitive impairment.
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