ArticleMolecular neurodegeneration2025
Molecular hallmarks of excitatory and inhibitory neuronal resilience to Alzheimer's disease.
Article in Molecular neurodegeneration, 2025. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 11 papers.
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Who cites it
11 citing papers in PubMed.
- Hippocampal snRNA-seq in Collaborative Cross reveals molecular signatures of cognitive resilience independent of chronological aging.Alzheimer's & dementia : the journal of the Alzheimer's Association · 2026Article
- Forced treadmill running and ladder climbing physical activity attenuates cognitive decline and protein aggregates in aged 3xTg-AD mice.Molecular brain · 2026Article
- Neuronal overexpression of Nrf2 reduces dystrophic neurites in 5XFAD Alzheimer's disease model mice.Alzheimer's research & therapy · 2026Article
- Stable neuronal representations underlie cognitive resilience to Alzheimer's disease pathology.Alzheimer's & dementia : the journal of the Alzheimer's Association · 2026Article
- A microRNA atlas of the human prefrontal cortex across the adult lifespan.bioRxiv : the preprint server for biology · 2026Article
- Single-cell transcriptomic analysis reveals APOE genotype-dependent sex differences in Alzheimer's disease.Alzheimer's & dementia : the journal of the Alzheimer's Association · 2026Article
- Neuronal overexpression of Nrf2 reduces dystrophic neurites in 5XFAD Alzheimer's disease model mice.bioRxiv : the preprint server for biology · 2026Article
- Genetic Architecture of Cognitive Resilience in Alzheimer's Disease: Mechanisms, Pathways, and Therapeutic Implications.Neurology international · 2026Review
- Neuronal subtype governs amyloid structure, cellular response, and cognitive outcome in genetically targeted APP mouse models.Molecular neurodegeneration · 2026Article
- Mitochondrial dysfunction in Alzheimer's disease and related sex differences.Frontiers in aging neuroscience · 2026Review
- Stable neuronal representations to repeated stimulation underlie cognitive resilience in Alzheimer's disease pathology.bioRxiv : the preprint server for biology · 2025Article
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Abstract
backgroundA significant proportion of individuals maintain cognition despite extensive Alzheimer's disease (AD) pathology, known as cognitive resilience. Understanding the molecular mechanisms that protect these individuals could reveal therapeutic targets for AD.
methodsThis study defines molecular and cellular signatures of cognitive resilience by integrating bulk RNA and single-cell transcriptomic data with genetics across multiple brain regions. We analyzed data from the Religious Order Study and the Rush Memory and Aging Project (ROSMAP), including bulk RNA sequencing (n = 631 individuals) and multiregional single-nucleus RNA sequencing (n = 48 individuals). Subjects were categorized into AD, resilient, and control based on β-amyloid and tau pathology, and cognitive status. We identified and prioritized protected cell populations using whole-genome sequencing-derived genetic variants, transcriptomic profiling, and cellular composition.
resultsTranscriptomics and polygenic risk analysis position resilience as an intermediate AD state. Only GFAP and KLF4 expression distinguished resilience from controls at tissue level, whereas differential expression of genes involved in nucleic acid metabolism and signaling differentiated AD and resilient brains. At the cellular level, resilience was characterized by broad downregulation of LINGO1 expression and reorganization of chaperone pathways, specifically downregulation of Hsp90 and upregulation of Hsp40, Hsp70, and Hsp110 families in excitatory neurons. MEF2C, ATP8B1, and RELN emerged as key markers of resilient neurons. Excitatory neuronal subtypes in the entorhinal cortex (ATP8B+ and MEF2C
conclusionsWe have defined molecular and cellular hallmarks of cognitive resilience, an intermediate state in the AD continuum. Resilience mechanisms include preserved neuronal function, balanced network activity, and activation of neurotrophic survival signaling. Specific excitatory neuronal populations appear to play a central role in mediating cognitive resilience, while a subset of vulnerable interneurons likely provides compensation against AD-associated hyperexcitability. This study offers a framework to leverage natural protective mechanisms to mitigate neurodegeneration and preserve cognition in AD.
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