首页|The effect of electroacupuncture on the expression of Sirtl and STAT3 in hippocampus and amygdala of vascular dementia rats
The effect of electroacupuncture on the expression of Sirtl and STAT3 in hippocampus and amygdala of vascular dementia rats
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NSTL
Objective Inflammation has long been considered a key factor in learning and memory impairment in patients with vascular dementia (VaD). Studies have confirmed that electroacupuncture can improve the learning and memory impairment of patients with VaD by reducing inflammation, but the specific mechanism of this effect is still unclear. The aim of this study was to explore the underlying mechanism of electroacupuncture in the treatment of VaD. Methods The vascular dementia animal model was established by bilateral occlusion of common carotid arteries, and electroacupuncture treatment was given at Baihui (DU20) and Zusanli (ST36). The morris water maze (MWM) was used to test the spatial learning and memory ability of rats in each group. To evaluate the expression of Sirtuinl (Sirtl), Signal transducer and activator of transcription 3 (STAT3) and inflammatory cytokine (IL-17) in the hippocampus and amygdala, immunohistochemistry and western blot were performed. Results: The MWM test and Nissl staining results show that electroacupuncture can significantly improve the learning and memory impairment of VaD rats, and can repair damaged neurons. Immunohistochemistry and western blot results showed that electroacupuncture could enhance the expression of sirtl in VaD rats, on the contrary, the expression of STAT3 and IL-17 was reduced due to electroacupuncture. Conclusions The result suggests that electroacupuncture can suppress inflammation through the Sirt1/STAT3 pathway and improve spatial learning and memory in VaD rats.
NSTL
