Study Reveals Association Between Herpes Simplex Virus and Alzheimer's Disease
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Researchers have uncovered a surprising link between Alzheimer's disease and herpes simplex virus-1 (HSV-1), suggesting that viral infections may play a role in the disease. The study results are published today in Cell Reports.
The study also revealed how tau protein, often viewed as harmful in Alzheimer’s, might initially protect the brain from the virus but contribute to brain damage later.
The scientists identified forms of HSV-1-related proteins in Alzheimer’s brain samples, with greater amounts of viral proteins co-localized with tangles of phosphorylated tau – one of the hallmarks of Alzheimer’s disease pathology – in brain regions especially vulnerable to Alzheimer’s across disease stages.
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