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Neurology· 2026Q1

Associations of Antibodies Against Several Infections With Alzheimer Disease Neuropathology

Caterina Felici, Rebecca Green, Charlotte Warren‐Gash, Julia Butt et al.

Short summary

Antibodies against common infections like herpes simplex virus 1 (HSV1), cytomegalovirus (CMV), and varicella zoster virus (VZV) are associated with increased Alzheimer's disease (AD) neuropathology, including amyloid plaques and neurofibrillary tangles.

AI-generated from the title and abstract; the full text is not read.

Key points

  • Antibodies to HSV1, CMV, and VZV are associated with increased AD neuropathology.
  • Higher antibody levels correlate with greater amyloid plaque and neurofibrillary tangle burden.
  • Associations persisted after controlling for APOE ε4 carriage and education.
  • The study used serologic measures of infection and post-mortem brain tissue analysis.

AI-generated from the title and abstract; the full text is not read.

Abstract

BACKGROUND AND OBJECTIVES: Associations of common infections with Alzheimer disease (AD) risk have been reported. A hypothesized mechanism for these is cerebral β-amyloid (Aβ) aggregation as a defense to infection. We studied whether serologic measures of several infections in the UK population are associated with measures of AD neuropathology. METHODS: ε4 carriage, education, and sex, and for interactions between herpes simplex virus 1 exposure with cytomegalovirus (CMV) and varicella zoster virus (VZV) exposure. RESULTS: ). DISCUSSION: ε4 carriage and education in relation to AD neuropathology warrants further study.

The authors' abstract, as published at the source. Neurology, 2026 · DOI ↗

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Field: Physiology

PhysiologyMedicine