Authors
Ting Xu, Chao Zhang, Yang Yang, Ziyi Shen, Zhangzhen Zhong
Published in
Canadian journal of physiology and pharmacology. Aug 05, 2026. Epub Aug 05, 2026.
Abstract
Beyond its antidepressant effects, esketamine (ESK) has the potential to enhance neuroplasticity, facilitating the reconnection with emotional and cognitive processes, improving social cognition, and promoting resilience. However, not much is known about its role in Alzheimer's disease (AD). This study aims to explore the potential mechanism of ESK in AD treatment. The potential targets of ESK were predicted by bioinformatics analysis, and 3xTg-AD male mice were subjected to adeno-associated virus and ESK treatment. Cognitive ability, neuronal damage, and proinflammatory factors in 3xTg-AD mice were evaluated. An inflammatory model was established by inducing mouse cortical neurons with mouse IL-17A protein. Neuronal viability was assessed after treatment with different concentrations of ESK. TAOK1 knockdown or IL-17RA knockdown was performed on 3xTg-AD mice and neurons. TAOK1 was highly expressed in the cerebral cortex of ESK-treated 3xTg-AD mice. ESK improved IL-17-induced neuronal inflammation and DNA damage in a TAOK1-dependent manner. TAOK1 interacted with IL-17RA. IL-17RA knockdown improved DNA damage and inflammatory responses in cells and alleviated cognitive impairment and neuroinflammation in AD mice. Overall, ESK protects against DNA damage-mediated neuroinflammation by promoting TAOK1 and inhibiting IL-17 signaling, thereby improving cognitive dysfunction in 3xTg-AD mice.
PMID:
42555976
Bibliographic data and abstract were imported from PubMed on 06 Aug 2026.
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