Circulating antibodies to Helicobacter pylori are associated with biomarkers of neurodegeneration in cognitively intact adults
Asian Journal of Psychiatry(2023)
Abstract
Helicobacter pylori (H. pylori) infection confers risk for Alzheimer’s Disease (AD), with the mechanisms unknown. Infections are linked to the etiology of AD partly through modulating the humoral immunity post-infection. This study found increased plasma levels of tTau and pTau181 in H. Pylori infected individuals with intact cognition. Plasma antibodies to H. pylori were positively associated with Aβ40, Aβ42, tTau, and pTau181, adjusting for age, sex, education level, BMI, ApoE ε4 genotype, hypertension, diabetes mellitus, and hypercholesteremia. This study presents novel insights into the relationship between H. pylori infection and AD from an autoimmune perspective.
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Key words
Alzheimer’s Disease,Helicobacter Pylori,Infection,Autoimmune,Antibodies to Helicobacter Pylori
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