Department of Geriatrics, Changsha Third Hospital, Changsha, Hunan, China.
Department of General Practice, Changsha Third Hospital, Changsha, Hunan, China.
Chin J Physiol. 2023 Nov-Dec;66(6):526-533. doi: 10.4103/cjop.CJOP-D-23-00059.
Electroacupuncture (EA) or acupoint catgut embedding (ACE) plays a therapeutic role in functional dyspepsia (FD). Herein, we aimed to elucidate the influences of EA combined with ACE on gastrointestinal motility and gastrointestinal hormones in rats with FD. Sprague-Dawley rats were randomized into the control group, model group, EA group, ACE group, and EA + ACE group (n = 10). Except for the control group, the rats in all groups were modeled by combining neonatal iodoacetamide gastrogavage and modified tail-clamping stimulation. The rats were treated with different treatments according to their groups. The rats were observed for changes in general behavior, body weight, food intake, and paw mechanical pain threshold. Gastric emptying rate (GER) and intestinal propulsive ratio (IPR) were measured in each group, and serum gastrointestinal hormone (motilin [MTL], leptin, gastrin [GAS], vasoactive intestinal peptide [VIP], calcitonin gene-related peptide [CGRP], and somatostatin [SS]) levels, oxidative stress factors (superoxide dismutase [SOD] and malondialdehyde [MDA]) and 5-hydroxytryptamine (5-HT) levels were also measured. Decreased mean body weight, paw mechanical pain thresholds, food intake, and GER and IPR were found in rats of the model group in comparison to the control group. Serum MTL, GAS, SS, and SOD levels were reduced, and serum leptin, VIP, CGRP, MDA, and 5-HT levels were increased in rats of the model group in comparison to the control group. Elevated mean body weight, paw mechanical pain threshold, food intake, GER and IPR, and serum MTL, GAS, SS, and SOD levels, and reduced serum leptin, VIP, CGRP, MDA, and 5-HT levels were observed in rats of the EA, ACE, and EA + ACE groups relative to the model group. EA combined with ACE treatment was more effective than the EA or ACE treatment alone. EA combined with ACE treatment improves gastrointestinal motility and gastrointestinal hormone levels, promotes food intake, and reduces visceral hypersensitivity in FD rats.
电针(EA)或穴位埋线(ACE)在功能性消化不良(FD)中具有治疗作用。在此,我们旨在阐明 EA 联合 ACE 对 FD 大鼠胃肠动力和胃肠激素的影响。SD 大鼠随机分为对照组、模型组、EA 组、ACE 组和 EA+ACE 组(n=10)。除对照组外,所有组的大鼠均通过结合新生碘乙酰胺胃灌胃和改良夹尾刺激进行建模。根据各组的不同治疗方法对大鼠进行治疗。观察各组大鼠的一般行为、体重、摄食量和爪机械痛阈值变化。测量各组大鼠胃排空率(GER)和肠推进率(IPR),检测血清胃肠激素(胃动素[MTL]、瘦素、胃泌素[GAS]、血管活性肠肽[VIP]、降钙素基因相关肽[CGRP]和生长抑素[SS])水平、氧化应激因子(超氧化物歧化酶[SOD]和丙二醛[MDA])和 5-羟色胺(5-HT)水平。与对照组相比,模型组大鼠的平均体重、爪机械痛阈值、摄食量、GER 和 IPR 均降低。与对照组相比,模型组大鼠血清 MTL、GAS、SS 和 SOD 水平降低,血清瘦素、VIP、CGRP、MDA 和 5-HT 水平升高。与模型组相比,EA、ACE 和 EA+ACE 组大鼠的平均体重、爪机械痛阈值、摄食量、GER 和 IPR 以及血清 MTL、GAS、SS 和 SOD 水平升高,血清瘦素、VIP、CGRP、MDA 和 5-HT 水平降低。EA 联合 ACE 治疗比 EA 或 ACE 单独治疗更有效。EA 联合 ACE 治疗可改善 FD 大鼠的胃肠动力和胃肠激素水平,促进食欲,降低内脏敏感性。
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