Clinical Research Papers:
The immune impact of mimic endoscopic retrograde appendicitis therapy and appendectomy on rabbits of acute appendicitis
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Suqin Liu1,2, Fenghua Pei1, Xinhong Wang1, Deliang Li1, Lixia Zhao1, Yanyan Song1, Zhendong Chen1 and Bingrong Liu1
1 Department of Gastroenterology and Hepatology, The Second Affiliated Hospital of Harbin Medical University, Harbin, China
2 Translational Medicine Research and Cooperation Center of Northern China, Heilongjiang Academy of Medical Sciences, Heilongjiang, China
Bingrong Liu, email:
Keywords: mimic endoscopic retrograde appendicitis therapy; appendectomy; intestinal immune function; TLR4/MYD88/NF-κB signaling pathway
Received: December 10, 2016 Accepted: February 28, 2017 Published: March 15, 2017
This study was conducted to evaluate the immune impact of mimic endoscopic retrograde appendicitis therapy and appendectomy on rabbits of acute suppurative appendicitis and to determine whether TLR4/MYD88/NF-κB signaling pathway was activated in this process. 48 rabbits were assigned into 4 groups: group I, the mimic endoscopic retrograde appendicitis therapy group; group II, the appendectomy group; group III, the model group; and group IV, the blank group. White blood cells decreased, while levels of C-reactive protein, tumor necrosis factor-α, interleukin-6, interleukin-4, and interleukin-10 increased on the 2nd day in group I and II. IgA in feces decreased at 2 weeks, while fecal microbiota changed at 2 and 4 weeks after appendectomy. CD8+ cells in appendix of group I increased within 8 weeks. Upregulated expression of TLR4, MYD88, and nuclear NF-κB were detected on the 2nd day in group I and II. Mimic endoscopic retrograde appendicitis therapy and appendectomy are effective ways for acute suppurative appendicitis. Mimic endoscopic retrograde appendicitis therapy was more preferable due to its advantage in maintaining intestinal immune function. TLR4/MYD88/NF-κB signaling pathway was activated in acute phase of appendicitis.
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