Dl-3-n-Butylphthalide Protects against Memory Deficits in Vascular Dementia Rats by Attenuating Pyroptosis via TLR-4/NF-κB Signaling Pathway

Li Q.a· Shen L.b· Liang P.a· Dong Y.a· Fang T.c· Wang L.a· Song Y.d

Author affiliations

aDepartment of Neurology, The Fourth Central Clinical College, Tianjin Medical University, Tianjin, China
bDepartment of Gastroenterology, The Fourth Central Clinical College, Tianjin Medical University, Tianjin, China
cMetabolic Center, The Fourth Central Clinical College, Tianjin Medical University, Tianjin, China
dDepartment of Neurology, Tianjin Medical University General Hospital, Tianjin, China

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Article / Publication Details

First-Page Preview

Abstract of Research Article

Received: May 21, 2021
Accepted: January 15, 2022
Published online: March 29, 2023

Number of Print Pages: 8
Number of Figures: 4
Number of Tables: 0

ISSN: 0302-282X (Print)
eISSN: 1423-0224 (Online)

For additional information: https://www.karger.com/NPS

Abstract

Introduction: Inflammation is closely associated with the pathogenesis of vascular dementia (VD). Dl-3-n-butylphthalide (NBP) is a small molecule compound extracted from the seeds of Chinese celery, which have anti-inflammatory properties in animal models of acute ischemia and patients with stroke. In this experiment, we studied the protective effects of NBP in a rat model of VD induced by permanent bilateral occlusion of the common carotid arteries and investigated the role of the TLR-4/NF-κB inflammatory signaling pathway in the pathology of VD. Methods: The Morris water maze test was used to evaluate cognitive deficits in the VD rats. Western blot, immunohistochemistry, and PCR analyses were used to analyze the molecular basis of the inflammatory response. Results: NBP significantly improved the learning and memory ability of VD rats. With regard to the protective mechanism, the results showed that NBP significantly downregulated the relative expression of Cleaved Cas-1/Cas-1 and Cleaved GSDMD/GSDMD. Moreover, NBP decreased the levels of the TLR-4 and NF-κB (P65) protein and phosphorylation of P65 in the hippocampus of VD rats via the TLR-4/NF-κB signaling pathway. Conclusion: These findings demonstrate that NBP protects against memory deficits in permanent bilateral common carotid artery occlusion-induced VD rats by attenuating pyroptosis via the TLR-4/NF-κB signaling pathway.

© 2023 S. Karger AG, Basel

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First-Page Preview

Abstract of Research Article

Received: May 21, 2021
Accepted: January 15, 2022
Published online: March 29, 2023

Number of Print Pages: 8
Number of Figures: 4
Number of Tables: 0

ISSN: 0302-282X (Print)
eISSN: 1423-0224 (Online)

For additional information: https://www.karger.com/NPS

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