清热解毒化浊片对肠源性内毒素血症大鼠肝肺促炎因子IL-8及抗炎因子IL-10的影响*
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湖南中医药大学中医学院,湖南 长沙 410208

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R285.5

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*基金项目:湖南省教育厅重点项目(12A101);湖南省教育厅研究生创新课题(CX2015B322);湖南中医药大学中医临床 基础重点学科资助;湖南省方剂学重点学科资助
收稿日期:2015-10-12
作者简介:毛娅男(1985-),女,湖南张家界人,在读博士研究生,主要从事中西医结合肝病证治研究。
△通信作者:赵国荣,E-mail:zhaoguorong116@sina.com


Effect of Qingre Jiedu Huazhuo Tablets on IL-8 and IL-10 in Rat Model of Liverand Lung Injuries Induced by Intestinal Endotoxemia
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College of Hunan University of Traditional Chinese Medicine, Changsha 410208, China

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    摘要:

    目的〓探讨清热解毒化浊片对肠源性内毒素血症(IETM)大鼠肝肺促炎因子IL-8及抗炎因子IL-10的影响。方法〓采用高脂、糖、酒精复合因素干预12周建立IETM肝肺损伤大鼠模型。造模成功后,随机分为清热解毒化浊片组、模型组和正常组3组。经治疗4周后观察肝、肺组织病理学改变,采用全自动生化仪检测血清谷氨酰氨基转移酶(ALT)、天门冬氨酸氨基转移酶(AST)、谷氨酰氨基转移酶(GGT)、碱性磷酸酶(ALP)活性,动态浊度法检测血浆内毒素(LPS),免疫组化二步法测定IL-8、IL-10在肝肺组织中的表达。结果〓光镜下观察,清热解毒化浊片组大鼠肝、肺组织炎性浸润情况明显改善。与正常组比较,模型组血清ALT、AST、GGT、ALP明显升高(P<0.01,P<0.05),血浆LPS明显升高(P<0.01);肝、肺组织IL-8表达明显升高(P<0.01)。与模型组比较,清热解毒化浊片组血清ALT、AST、GGT、ALP均明显降低(P<0.01,P<0.05),血浆LPS明显降低(P<0.01);肝、肺组织IL-8明显降低(P<0.01),肝、肺组织IL-10明显升高(P<0.01)。结论〓本实验表明清热解毒化浊片可通过降低血浆LPS,促进抗炎因子IL-10的表达,降低炎性因子IL-8的表达,改善IETM所致的肝、肺损伤。

    Abstract:

    Objective To study effect of Qingre Jiedu Huazhuo tablets on IL-8 and IL-10 in rat model of liver and lung injuries induced by intestinal endotoxemia(IETM). Methods The rat liver model was established by feeding them high sugar, fat and liquor. The rats were randomly divided into 3 groups. Qingre Jiedu Huazhuo tablets were used to treat liver inflammatory model rat for 4 weeks. The content of blood serum alanine transaminase(ALT), aspartate transaminase(AST), gamma glutamyltransferase(GGT), alkaline phosphatase(ALP) were measured by colorimetry, lipopolysaccharides(LPS) was measured by tachypleus amebocyte lysate(TAL), Pathologic change of liver was measured by a microscope, the two-step method of immunohistochemistry(IH) was adopted to test portein expression of liver and lung tissues interleukin-8(IL-8), interleukin-10(IL-10). Results Light microscopic inspection:the Qingre Jiedu Huazhuo tablets can suppress liver and lung inflammation. The expression of serum ALT, AST, GGT, ALP in model group were markedly higher than those in normal control group(P<0.01, P<0.05). The expression of plasma LPS was markedly higher too(P<0.01); The expression of IL-8 in liver and lung were markedly higher than those in normal control group(P<0.01). Compared with model group, the serum expression of ALT, AST, GGT, ALP were significantly lower in Qingre Jiedu Huazhuo tablets group(P<0.01, P<0.05). The expression of plasma LPS was markedly lower too(P<0.01). Qingre Jiedu Huazhuo tablets can significantly reduce the gray sale of IL-8(P<0.01)and increase the gray sale of IL-10(P<0.01). Conclusions Qingre Jiedu Hua zhuo tablets can resist inflammatory injury, which mechanism may be associated with reduced promoting inflammatory cytokines IL-8and LPS, release the anti-inflammatory cytokine IL-10 expression.

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