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山西中医药大学 第二临床学院,山西 晋中 030619
翟春涛,博士,副教授,硕士生导师,从事艾灸防治疾病作用机制研究,E-mail:709966203@qq.com
田岳凤,博士,二级教授,博士生导师,从事艾灸防治疾病作用机制研究,E-mail:tyfsx@163.com
纸质出版日期:2025-02-20,
网络出版日期:2024-07-17,
收稿日期:2024-06-03,
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翟春涛, 侯亚薇, 史林娟, 等. 隔药饼灸干预TLR4/MyD88/NF-
ZHAI CHUNTAO, HOU YAWEI, SHI LINJUAN, et al. Mechanism of Herbal Cake-separated Moxibustion in Improving Neuroimmune Inflammation in Rats with Chronic Fatigue Syndrome by Interfering TLR4/MyD88/NF-
翟春涛, 侯亚薇, 史林娟, 等. 隔药饼灸干预TLR4/MyD88/NF-
ZHAI CHUNTAO, HOU YAWEI, SHI LINJUAN, et al. Mechanism of Herbal Cake-separated Moxibustion in Improving Neuroimmune Inflammation in Rats with Chronic Fatigue Syndrome by Interfering TLR4/MyD88/NF-
目的
2
基于Toll样受体4/髓样分化因子88/核转录因子-
κ
B(TLR4/MyD88/NF-
κ
B)信号通路探讨经方逍遥散为药饼进行施灸改善慢性疲劳综合征(CFS)大鼠神经免疫炎症反应的作用机制。
方法
2
50只6~8周龄SPF级SD大鼠随机分为正常组、模型组、假药饼灸组、中药灌胃组、隔药饼灸组,每组10只。除正常组外其余各组进行持续21 d的造模,造模后进行行为学检测,隔药饼灸组与假药饼灸组对“神阙”“关元”“足三里”“期门”穴进行干预,中药灌胃组给予逍遥散悬浊液灌胃干预,连续干预10 d后进行行为学检测,酶联免疫吸附测定法(ELISA)检测各组大鼠血清白细胞介素-1
β
(IL-1
β
)、白细胞介素-6(IL-6)、肿瘤坏死因子-
α
(TNF-
α
)含量及海马组织中IL-1
β
、IL-6、TNF-
α
、NF-
κ
B含量,苏木素-伊红(HE)染色观察大鼠海马组织的形态变化,实时荧光定量聚合酶链式反应(Real-time PCR)检测大鼠海马组织中TLR4、MyD88、NF-
κ
B mRNA水平,蛋白免疫印迹法(Wester
n blot)检测大鼠海马组织中TLR4、MyD88、NF-
κ
B p65蛋白表达。
结果
2
与正常组比较,模型组旷场实验直立次数显著减少(
P
<
0.01),运动总距离、静止时间及中心区域持续时间显著缩短(
P
<
0.01);悬尾实验不动时间显著增加(
P
<
0.01),挣扎次数显著减少(
P
<
0.01);血清、海马组织炎性因子IL-1
β
、IL-6、TNF-
α
水平,海马组织NF-
κ
B水平及TLR4、MyD88、NF-
κ
B mRNA表达水平显著升高(
P<
0.01)。经治疗后,与模型组比较,各治疗组旷场实验运动总路程及直立次数显著增加(
P
<
0.01),静止时间及中心持续时间明显延长(
P
<
0.05,
P
<
0.01);悬尾实验不动时间显著缩短(
P
<
0.01),挣扎次数明显增加(
P
<
0.05);血清、海马组织IL-1
β
、IL-6、TNF-
α
水平,海马组织NF-
κ
B水平及TLR4、NF-
κ
B mRNA表达水平明显降低(
P
<
0.05,
P<
0.01)。与假药饼灸组比较,隔药饼灸组旷场实验中心区域持续时间明显延长(
P
<
0.05),直立次数显著增加(
P
<
0.01);悬尾实验不动时间缩短(
P
<
0.01),挣扎次数显著增加(
P
<
0.01);中药灌胃组血清TNF-
α
水平显著降低(
P
<
0.01),中药灌胃组及隔药饼灸组血清、海马组织IL-6水平、海马组织IL-1
β
、TNF-
α
、NF-
κ
B水平及TLR4、MyD88、NF-
κ
B mRNA表达水平明显降低(
P
<
0.05,
P
<
0.01)。与中药灌胃组比较,隔药饼灸组旷场实验直立次数显著增加(
P
<
0.01);悬尾实验不动时间缩短(
P
<
0.01),挣扎次数增加(
P
<
0.01);血清IL-1
β
、海马组织TNF-
α
水平及TLR4、MyD88、NF-
κ
B mRNA表达水平明显降低(
P
<
0.05,
P
<
0.01)。
结论
2
隔药饼灸能够有效改善CFS大鼠的疲劳状态与记忆功能,调控机体神经免疫炎性反应,其机制可能与调节TLR4/MyD88/NF-
κ
B信号通路有关。
Objective
2
To explore the mechanism of herbal cake-separated moxibustion using the classical formula Xiaoyaosan in alleviating neuroimmune inflammatory responses in chronic fatigue syndrome (CFS) rats, based on the regulation of the toll-like receptor 4 (TLR4)/myel
oid differentiation factor 88 (MyD88)/nuclear transcription factor-
κ
B (NF-
κ
B) signaling pathway.
Methods
2
Fifty SPF-grade SD rats aged 6-8 weeks were randomly divided into five groups: Normal group, model group, sham herbal cake moxibustion group, Chinese medicine intragastric administration group, and herbal cake-separated moxibustion group, with 10 rats in each group. Except for the normal group, all other groups underwent a 21-day modeling process, followed by behavioral testing. The herbal cake-separated moxibustion and sham herbal cake moxibustion groups received interventions at the Shenque (CV8), Guanyuan (CV4), Zusanli (ST36), and Qimen (LR14) acupoints. The Chinese medicine intragastric administration group was treated with a Xiaoyaosan suspension via gavage. Behavioral tests were conducted after 10 days of continuous intervention. Serum levels of interleukin (IL)-1
β
, IL-6, and tumor necrosis factor-
α
(TNF-
α
), as well as hippocampal levels of IL-1
β
, IL-6, TNF-
α
, and NF-
κ
B, were detected by enzyme-linked immunosorbent assay (ELISA). Morphological changes in the hippocampus were observed using hematoxylin-eosin (HE) staining. Real-time quantitative polymerase chain reaction (Real-time PCR) was used to detect mRNA expression levels of TLR4, MyD88, and NF-
κ
B in the hippocampus. Western blot analysis was performed to detect the relative expression levels of TLR4, MyD88, NF-
κ
B, and p65 proteins in the hippocampus.
Results
2
Compared with the normal group, the model group showed a significant decrease in upright times during the open field test (
P
<
0.01), as well as significant reductions in total movement distance, resting time, and center region duration (
P
<
0.01). In the tail suspension test, immobility time increased (
P
<
0.01)
, and struggle times decreased (
P
<
0.01). Serum and hippocampal levels of IL-1
β
, IL-6, and TNF-
α
, as well as hippocampal NF-
κ
B levels and TLR4, MyD88, and NF-
κ
B mRNA expression, were significantly elevated (
P
<
0.01). After treatment, compared with the model group, the total movement distance and upright times in the open field test were significantly increased in all treatment groups (
P
<
0.01), while resting time and center region duration were notably prolonged (
P
<
0.05,
P
<
0.01). Immobility time in the tail suspension test was significantly shortened (
P
<
0.01), and struggle times significantly increased (
P
<
0.05). Serum and hippocampal levels of IL-1
β
, IL-6, TNF-
α
, hippocampal NF-
κ
B levels, and TLR4 and NF-
κ
B mRNA expression were significantly reduced (
P
<
0.05,
P
<
0.01). Compared with the sham herbal cake moxibustion group, the herbal cake-separated moxibustion group showed a significant extension in center region duration during the open field test (
P
<
0.05) and a significant increase in upright times (
P
<
0.01). In the tail suspension test, immobility time was reduced (
P
<
0.01), and struggle times increased (
P
<
0.01). Serum TNF-
α
levels in the Chinese medicine intragastric administration group were significantly reduced (
P
<
0.01), while serum IL-6 levels, as well as hippocampal levels of IL-1
β
, TNF-
α
, NF-
κ
B, and TLR4, MyD88, and NF-
κ
B mRNA expression, were significantly decreased in both the Chinese medicine intragastric administration group and the herbal cake-separated moxibustion group (
P
<
0.05,
P
<
0.01). Compared with the Chinese medicine intragastric administration group, the herbal cake-separated moxibustion group exhibited significantly increased upright times in the open field test (
P
<
0.01). In the tail suspension test, immobility time was reduced (
P
<
0.01), and struggle times increased (
P
<
0.01). Serum IL-1
β
, hippocampal TNF-
α
levels, and TLR4, MyD88, and NF-
κ
B mRNA expression were significantly decreased (
P
<
0.05,
P
<
0.01).
Conclusion
2
Herbal cake-separated moxibustion effectively improves fatigue and memory function in CFS rats, regulates neuroimmune inflammatory responses, and its mechanism may be related to the modulation of the TLR4/MyD88/NF-
κ
B signaling pathway.
隔药饼灸神经免疫炎症慢性疲劳综合征逍遥散
herbal cake-separated moxibustionneuroimmune inflammationchronic fatigue syndrome (CFS)Xiaoyaosan
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