Cited by 26Dementia and Cognitive Impairment ResearchAlzheimer's disease research and treatmentsAmyotrophic Lateral Sclerosis Research

Cognitive resistance to and resilience against multiple comorbid neurodegenerative pathologies and the impact of APOE status

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Walker, Jamie M, Richardson, Timothy E·2023·Journal of Neuropathology & Experimental Neurology

Abstract

Alzheimer disease (AD) is currently the leading cause of cognitive decline and dementia worldwide. Recently, studies have suggested that other neurodegenerative comorbidities such as limbic-predominant age-related TDP-43 encephalopathy neuropathologic change (LATE-NC), Lewy body disease (LBD), and cerebrovascular disease frequently co-occur with Alzheimer disease neuropathologic change (ADNC) and may have significant cognitive effects both in isolation and synergistically with ADNC. Herein, we study the relative clinical impact of these multiple neurodegenerative pathologies in 704 subjects. Each of these pathologies is relatively common in the cognitively impaired population, while cerebrovascular pathology and ADNC are the most common in cognitively normal individuals. Moreover, while the number of concurrent neuropathologic entities rises with age and has a progressively deleterious effect on cognition, 44.3% of cognitively intact individuals are resistant to having any neurodegenerative proteinopathy (compared to 15.2% of cognitively impaired individuals) and 83.5% are resistant to having multiple concurrent proteinopathies (compared to 64.6% of cognitively impaired individuals). The presence of at least 1 APOE ε4 allele was associated with impaired cognition and the presence of multiple proteinopathies, while APOE ε2 was protective against cumulative proteinopathies. These results indicate that maintenance of normal cognition may depend on resistance to the development of multiple concurrent proteinopathies.

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Crossref · 10.1093/jnen/nlac115

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  • Carriers of the APOEε4 allele have increased odds of a multi-proteinopathy, whereas carrying the APOEε2 allele reduces these odds, relative to APOEε3 homozygosis.

    “Carriers of the APOEε4 allele have increased odds of a multi-proteinopathy, whereas carrying the APOEε2 allele reduces these odds, relative to APOEε3 homozygosis60,61.”

    From Multifaceted roles of APOE in Alzheimer disease (2024) · cites this paper as [61]

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Authors
Walker, J. M., & Richardson, T. E.
Affiliations
Icahn School of Medicine at Mount Sinai (US)
Venue
Journal of Neuropathology & Experimental Neurology
Published
2022-12-02
Volume
82
Issue
2
Pages
110-119
ISSN
  • 0022-3069 (ISSN-L)
  • 1554-6578
OpenAlex
W4310588951
Cited by
26
References
10
Citations by year
2026: 5 · 2025: 5 · 2024: 8 · 2023: 8
FWCI
3.42
Type
journal article
Language
en
Open access
Locations
  • Journal of Neuropathology & Experimental Neurology (publishedVersion)
  • PubMed Central (publishedVersion)
  • PubMed (publishedVersion)
Funders
  • National Institute on Aging (R21 AG078505)
  • NIH (U24 AG072122)
  • NIA (P30 AG062429, P30 AG066468, P30 AG062421, P30 AG066509, P30 AG066514, P30 AG066530, P30 AG066507, P30 AG066444, P30 AG066518, P30 AG066512, P30 AG066462, P30 AG072979, P30 AG072972, P30 AG072976, P30 AG072975, P30 AG072978, P30 AG072977, P30 AG066519, P30 AG062677, P30 AG079280, P30 AG062422, P30 AG066511, P30 AG072946, P30 AG062715, P30 AG072973, P30 AG066506, P30 AG066508, P30 AG066515, P30 AG072947, P30 AG072931, P30 AG066546, P20 AG068024, P20 AG068053, P20 AG068077, P20 AG068082, P30 AG072958, P30 AG072959)
Topics
  • Health Sciences › Medicine › Psychiatry and Mental health › Dementia and Cognitive Impairment Research
  • Health Sciences › Medicine › Physiology › Alzheimer's disease research and treatments
  • Health Sciences › Medicine › Neurology › Amyotrophic Lateral Sclerosis Research
Keywords
Alzheimer's disease, cognitive resilience, cognitive resistance, APOE ε4, APOE ε2, TDP-43, Lewy body disease, cerebrovascular disease, proteinopathies, cognitive decline, dementia, neuropathology
MeSH terms
Alzheimer Disease, Apolipoproteins E, Cognition, Dementia, Humans, Proteostasis Deficiencies, TDP-43 Proteinopathies

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