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中国中医科学院 中药研究所,北京 100700
杨依霏,博士,助理研究员,从事中药药理及毒理病理学研究,E-mail:yangyifei1987@163.com
叶祖光,硕士,首席研究员,从事中药药理毒理学研究,E-mail:zgye@icmm.ac.cn
收稿日期:2018-12-18,
网络出版日期:2019-03-19,
纸质出版日期:2019-07-05
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杨依霏, 张广平, 高云航, 等. 蒲地蓝消炎口服液对脂多糖致大鼠急性肺损伤的影响[J]. 中国实验方剂学杂志, 2019,25(13):55-59.
Yi-fei YANG, Guang-ping ZHANG, Yun-hang GAO, et al. Effect of Pudilan Xiaoyan Oral Liquid on Acute Lung Injury Rat Induced by Lipopolysaccharide[J]. Chinese journal of experimental traditional medical formulae, 2019, 25(13): 55-59.
杨依霏, 张广平, 高云航, 等. 蒲地蓝消炎口服液对脂多糖致大鼠急性肺损伤的影响[J]. 中国实验方剂学杂志, 2019,25(13):55-59. DOI: 10.13422/j.cnki.syfjx.20191338.
Yi-fei YANG, Guang-ping ZHANG, Yun-hang GAO, et al. Effect of Pudilan Xiaoyan Oral Liquid on Acute Lung Injury Rat Induced by Lipopolysaccharide[J]. Chinese journal of experimental traditional medical formulae, 2019, 25(13): 55-59. DOI: 10.13422/j.cnki.syfjx.20191338.
目的:
2
探讨蒲地蓝消炎口服液(PDL)对脂多糖(LPS)导致的大鼠急性肺损伤的影响及作用机制。
方法:
2
72只Wistar大鼠,按体质量随机分为空白组,模型组,地塞米松组,PDL 7,3.5,1.75 g·kg
-1
·d
-1
组。模型组,地塞米松组,PDL 7,3.5,1.75 g·kg
-1
·d
-1
组雾化吸入LPS制备大鼠急性肺损伤模型。检测各组大鼠肺泡灌洗液(BALF)中白细胞总数,酶联免疫吸附测定(ELISA)检测肺组织中核转录因子-
κ
B(NF-
κ
B),白细胞介素-10(IL-10)的含量,苏木素-伊红(HE)染色观察肺组织形态学改变,探讨不同剂量PDL对急性肺损伤大鼠的影响。
结果:
2
与模型组比较,PDL 7,3.5 g·kg
-1
·d
-1
组BALF中白细胞总数明显降低(
P
<
0.05);PDL 7,3.5,1.75 g·kg
-1
·d
-1
组NF-
κ
B表达量明显降低(
P
<
0.05);PDL 3.5 g·kg
-1
·d
-1
组IL-10表达量明显升高(
P
<
0.05);PDL 7 g·kg
-1
·d
-1
组肺组织中炎症反应减轻,水肿、瘀血等病理改变明显缓解(
P
<
0.05)。
结论:
2
PDL对急性肺损伤模型具有保护作用,可减轻大鼠急性肺损伤模型中肺组织的炎症反应,其机制与NF-
κ
B,IL-10的表达相关,对肺组织的病理损伤有修复作用。
Objective:
2
To explore the effect and mechanism of Pudilan Xiaoyan oral liquid(PDL) on the acute lung injury rat induced by lipopolysaccharide (LPS).
Method:
2
The 72 Wistar rats were randomly divided into control group
model group
dexamethasone group
PDL 7
3.5
1.75 g·kg
-1
·d
-1
group according to body weight.The acute lung injury model was made through inhalation with lipopolysaccharide in the model group
hexadecadrol group
PDL 7
3.5
1.75 g·kg
-1
·d
-1
group.To examining each rat alveolar lavage fluid (BALF) of the total number of white blood cells
enzyme-linked immunosorbent assay (ELISA) was used to detect the levels of nuclear transcription factors-kappa B (NF-
κ
B) and interleukin-10 (IL-10). Hematoxylin-eosin(HE) staining was used to observe morphological changes of lung tissue and explore different doses of PDL effect on acute lung injury in rats.
Result:
2
Compared with model group
the account of leukocyte in BALF decreased significantly in PDL 7 g·kg
-1
·d
-1
group and PDL 3.5 g·kg
-1
·d
-1
group (
P
<
0.05). The expression of NF-
κ
B significantly decreased in PDL 7
3.5
1.75 g·kg
-1
·d
-1
group (
P
<
0.05). And the expression of IL-10 significantly increased in PDL 3.5 g·kg
-1
·d
-1
group (
P
<
0.05). In PDL 7 g·kg
-1
·d
-1
group
the inflammation
edema and congestion in lung tissue reduced (
P
<
0.05).
Conclusion:
2
PDL has a significant protective effect on the inflammation of acute lung injury model
and its mechanism is related to the expressions of NF-
κ
B and IL-10. PDL could also repair the injury of lung in acute lung injury model.
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