Effects of Shuanghuanglian Granules on TNF-α, IL-6 and NF-κB in Mycoplasma Pneumoniae Pneumonia Model in Rats

Yang Fang; Liu Lanbin; Su Dan

doi:10.13407/j.cnki.jpp.1672-108X.2020.09.002

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Effects of Shuanghuanglian Granules on TNF-α, IL-6 and NF-κB in Mycoplasma Pneumoniae Pneumonia Model in Rats

更新时间：2022-11-03

- Effects of Shuanghuanglian Granules on TNF-α, IL-6 and NF-κB in Mycoplasma Pneumoniae Pneumonia Model in Rats
- Vol. 26, Issue 9, Pages: 4-7(2020)
- 作者机构：
  
  1. ．山东省日照市妇幼保健院,山东,日照,276825
  2. 山东省日照市结核病防治所,山东,日照,276825
- 作者简介：
- 基金信息：
- DOI：10.13407/j.cnki.jpp.1672-108X.2020.09.002
  CLC：
- Published：2020，
  
  Published Online：10 September 2020，
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Yang Fang, Liu Lanbin, Su Dan. Effects of Shuanghuanglian Granules on TNF-α, IL-6 and NF-κB in Mycoplasma Pneumoniae Pneumonia Model in Rats. [J]. 26(9):4-7(2020)
DOI：

Yang Fang, Liu Lanbin, Su Dan. Effects of Shuanghuanglian Granules on TNF-α, IL-6 and NF-κB in Mycoplasma Pneumoniae Pneumonia Model in Rats. [J]. 26(9):4-7(2020) DOI： 10.13407/j.cnki.jpp.1672-108X.2020.09.002.

摘要

目的：研究双黄连颗粒对肺炎支原体感染大鼠血清或肺组织中肿瘤坏死因子（TNF）-α、白细胞介素（IL）-6和核因子（NF）-κB等炎性相关因子的影响，进一步研究双黄连颗粒的药理作用机制。方法：制备大鼠肺炎支原体肺炎模型，60只SD大鼠随机分为空白对照组、模型组和双黄连低、中、高剂量组及阳性药对照组，在连续感染3 d后开始给药。连续给药7 d后采集大鼠血清及肺组织样本，肺组织经HE染色后于光学显微镜下观察病变情况；酶联免疫吸附试验（ELISA）法检测血清中TNF-α、IL-6的水平；Westernblot检测肺组织中磷酸化NF-κB p65的表达。结果：空白对照组大鼠血清中TNF-α、IL-6水平分别为（0.96±0.23）ng/mL、（451.43±33.42）ng/mL，磷酸化NF-κB p65相对含量为0.16±0.05；模型组大鼠肺组织病理评分为（4.50±1.32）分，血清中TNF-α、IL-6水平分别为（1.84±0.42）ng/mL、（603.29±63.57）ng/mL，磷酸化NF-κB p65相对含量为1.07±0.06，与空白对照组相比均升高。血清TNF-α水平分别为（1.62±0.32）ng/mL、（1.47±0.31）ng/mL、（1.24±0.25）ng/mL

血清IL-6水平分别为（551.56±50.93）ng/mL、（509.57±49.92）ng/mL、（487.14±44.15）ng/mL，磷酸化NF-κB p65相对含量分别为0.43±0.15、0.12±0.07、0.10±0.05，与模型组相比均呈剂量依赖性的下降。结论：双黄连颗粒能够通过降低TNF-α、IL-6的水平，抑制NF-κB信号通路的异常活化，从而减轻肺组织中的炎性症状，从而使肺组织恢复正常的形态和生理功能。

Abstract

Objective: To study the effects of Shuanghuanglian granules on inflammatory factors such as tumor necrosis factor (TNF)-α

interleukin (IL)-6 and nuclear factor (NF)-κB in serum or lung tissues of rats infected with Mycoplasma pneumoniae

so as to further study the pharmacological mechanism of Shuanghuanglian granules. Methods: Mycoplasma pneumoniae pneumonia model in rats was established. Sixty SD rats were randomly divided into the blank control group

the model group

the Shuanghuanglian low

medium

and high dose group and the positive control group. The administration was started after 3 d of continuous infection. After 7 d of continuous administration

serum and lung tissues were collected

and the lung tissues were stained with HE to observe the lesions under an optical microscope. The serum levels of TNF-α and IL-6 were detected by enzyme-linked immunosorbent assay (ELISA). Westernblot was adopted to detect the expression of phosphorylated NF-κB P65 in lung tissues. Results: The serum levels of TNF-α and IL-6 in the blank control group were (0.96±0.23) ng/mL

(451.43±33.42) ng/mL

and the relative content of phosphorylated NF-κB p65 was 0.16±0.05. The lung tissue pathological score of rats in the model group was (4.50±1.32) points

the serum levels of TNF-α and IL-6 were respectively (1.84±0.42) ng/mL and (603.29±63.57) ng/mL

and the relative content of phosphorylated NF-κB p65 was 1.07±0.06

which were higher than those of the blank control group. Serum levels of TNF-α in the Shuanghuanglian low

medium

and high dose group were respectively (1.62±0.32) ng/mL

(1.47±0.31) ng/mL and (1.24±0.25) ng/mL

and serum levels of IL-6 were respectively (551.56±50.93) ng/mL

(509.57±49.92) ng/mL and (487.14±44.15) ng/mL

the relative content of phosphorylated NF-κB p65 were respectively 0.43±0.15

0.12±0.07 and 0.10±0.05

compared with the model group

the dose-dependent decrease was observed. Conclusion: Shuanghuanglian granules can reduce the inflammatory symptoms in the lung tissues by reducing the levels of TNF-α and IL-6

inhibit the abnormal activation of the NF-κB signaling pathway

thereby restoring the normal morphology and physiological functions in lung tissues.

关键词

双黄连颗粒肺炎支原体肺炎肿瘤坏死因子-α白介素-6核因子-κB

Keywords

Shuanghuanglian granulesMycoplasma pneumoniae pneumoniatumor necrosis factor-αnterleukin-6nuclear factor-κB

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