Effects of electroacupuncture on the intestinal motility and local inflammation are modulated by acupoint selection and stimulation frequency in postoperative ileus mice

电针 刺激 运动性 医学 足三里 炎症 治疗效果 针灸科 胃肠病学 内分泌学 内科学 生物 病理 遗传学 替代医学
作者
Nana Yang,Ye Yang,Zhong‐Xue Tian,Si‐Ming Ma,Zheng Yang,Jin Huang,Jing‐Wen Yang,Jia‐Kai Shao,Cun‐Zhi Liu
出处
期刊:Neurogastroenterology and Motility [Wiley]
卷期号:32 (5) 被引量:41
标识
DOI:10.1111/nmo.13808
摘要

Abstract Background Electroacupuncture (EA) is widely used in various gastrointestinal diseases around the world, including POI. Here, we investigated different therapeutic effects of EA using lower limb and abdomen acupoints. Methods Intestinal manipulation was performed in 88 mice, and eight mice underwent a sham operation. Forty mice were randomly divided into model group and four EA groups receiving stimulation at ST36 (2, 10, 30, 100 Hz). The most effective frequency was then used in the following experiments. Forty‐eight mice were randomly divided into six groups receiving EA treatment at ST37, ST39, ST25, CV4, CV12, and a non‐acupuncture point. Gastrointestinal motility and plasma TNF‐α, IL‐6 were evaluated in all mice. The local immune response and α‐smooth muscle actin (α‐SMA) expression were assessed by immunofluorescence, ELISA, and HE staining. Results ST36 stimulated with 10 or 30 Hz EA significantly increased the gastrointestinal motility and attenuated peripheral inflammation; however, ST36 stimulated with 2 or 100 Hz did not induce any effect. The therapeutic effects on motility and inflammation of 10 Hz EA in the ST36 group were similar in the ST36, ST37, ST39, or CV4 groups, but when applied to ST25, CV12 or non‐acupoint had no significant differences. EA at ST36, ST37, ST39, or CV4 significantly inhibited local MPO activity, immune cells infiltration, and increased α‐SMA. Conclusions EA at lower limb and abdomen acupoints with the same stimulation parameters had different therapeutic effects on postoperative dysmotility and inflammation. Furthermore, EA protected SMC to improve gastrointestinal transit by reducing local inflammation in the intestinal musculature in POI.
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