ArticleJournal of Alzheimer's disease reports2024
Diabetic Ketoacidosis Induces Tau Hyperphosphorylation in Rat Brain.
Article in Journal of Alzheimer's disease reports, 2024. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 1 paper.
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Who cites it
1 citing paper in PubMed.
- Hyperglycemia associated brain dysfunction: rodent models for studying diabetic cognitive deficits.Metabolic brain disease · 2026Review
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5 authors.
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Abstract
Background: Diabetes mellitus (DM) increases the risk for cognitive impairment and Alzheimer's disease (AD). Diabetic ketoacidosis (DKA), a serious complication of DM, may also cause brain damage and further AD, but the underlying molecular mechanisms remain unclear. Objective: Our objective was to understand how DKA can promote neurodegeneration in AD. Methods: We induced DKA in rats through intraperitoneal injection of streptozotocin, followed by starvation for 48 hours and investigated AD-related brain alterations focusing on tau phosphorylation. Results: We found that DKA induced hyperphosphorylation of tau protein at multiple sites associated with AD. Studies of tau kinases and phosphatases suggest that the DKA-induced hyperphosphorylation of tau was mainly mediated through activation of c-Jun N-terminal kinase and downregulation of protein phosphatase 2A. Disruption of the mTOR-AKT (the mechanistic target of rapamycin-protein kinase B) signaling pathway and increased levels of synaptic proteins were also observed in the brains of rats with DKA. Conclusions: These results shed some light on the mechanisms by which DKA may increase the risk for AD.
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