貝母素甲對(duì)內(nèi)毒素性急性肺損傷小鼠炎癥因子表達(dá)的影響
[Abstract]:Objective to investigate the effect of (PM) on the expression of inflammatory factors during acute lung injury induced by lipopolysaccharide (LPS) in mice. Methods 80 Kunming mice with body weight (20 鹵5) g were randomly divided into normal group, model group, dexamethasone (Dex) group and PM group. The mice were anesthetized by intraperitoneal injection of pentobarbital (40 mg/kg). Models of acute lung injury were induced by intratracheal injection of 4 mg/kg LPS in model group and PM group. The rats in the model group were given 10 mg/kg dexamethasone hydrochloride 1 mg/kg PM solution for 10 mg/kg in the model group and the same volume of normal saline in the normal group after injection of LPS for 24 h and 36 h and 12 h and 36 h after the injection, and the rats in the model group were given 10 mg/kg dexamethasone hydrochloride (Dexamethasone) 1 mg/kg PM solution, respectively. At the end of the experiment, the lung was dissected and the changes of lung morphology were observed. Tumor necrosis factor (TNF)-偽, interleukin (IL)-2-6 and IL-8 were measured by Real-Time PCR and enzyme linked immunosorbent assay (ELISA) respectively. Results LPS could obviously induce the inflammatory response in lung of mice treated with PM. It antagonized the destruction of lung tissue by LPS and inhibited the expression of IL-6 and IL-8 of TNF- 偽 and IL-2- 偽. Conclusion PM has protective effect on lung tissue protection in mice with acute lung injury, and its mechanism may be related to down-regulation of inflammatory factor expression.
【作者單位】: 南陽(yáng)醫(yī)學(xué)高等專(zhuān)科學(xué)校基礎(chǔ)醫(yī)學(xué)部;
【基金】:河南省重點(diǎn)科技攻關(guān)項(xiàng)目(122102310103)
【分類(lèi)號(hào)】:R563
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