Herpes simplex virus type 1 and Alzheimer's disease: the autophagy connection.

R.F. Itzgaki, Louise Cosby, M.A. Wozniak

Research output: Contribution to journalArticlepeer-review

40 Citations (Scopus)


The causes of Alzheimer's disease (AD) and of the characteristic pathological features—amyloid plaques and neurofibrillary tangles—of AD brain are unknown, despite the enormous resources provided over the years for their investigation. Indeed, the only generally accepted risk factors are age, Down syndrome, carriage of the type 4 allele of the apolipoprotein E gene (APOE-e 4), and possibly brain injury. Following the authors' previous studies implicating herpes simplex virus type 1 (HSV1) in brain of APOE-e 4 carriers as a major cause of AD, the authors propose here, on the basis of their and others' recent studies, that not only does HSV1 generate the main components of amyloid plaques and neurofibrillary tangles (NFTs)—ß -amyloid (Aß) and abnormally phosphorylated tau but also, by disrupting autophagy, it prevents degradation of these aberrant proteins, leading to their accumulation and deposition, and eventually to AD.
Original languageEnglish
Pages (from-to)1-4
Number of pages4
JournalJournal of Neurovirology
Issue number1
Publication statusPublished - Jan 2008

ASJC Scopus subject areas

  • Virology
  • Clinical Neurology


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