地龙注射液对屋尘螨致敏气道上皮细胞TGF-β1/Smad2表达的影响

李怀臣 徐瑞娥 杨艳娜 王莉

中国药学杂志 ›› 2010, Vol. 45 ›› Issue (15) : 1145-1148.

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中国药学杂志 ›› 2010, Vol. 45 ›› Issue (15) : 1145-1148.
论 著

地龙注射液对屋尘螨致敏气道上皮细胞TGF-β1/Smad2表达的影响

  • 李怀臣1,徐瑞娥2,杨艳娜1,王莉1*
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Effects of Earthworm Injection on Expression of TGF-β1/Smad2 in Bronchial Epithelial Cells Allergized by House Dust Mite Allergen Dermatophagoides Pteronyssinus Antigens

  • LI Huai-chen1,XU Rui-e2,YANG Yan-na1, WANG Li1*
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摘要

目的 观察地龙注射液对细胞哮喘模型中转化生长因子(TGF)-β1、Smad2表达的影响,探讨地龙在支气管哮喘治疗中的作用机制及价值。方法 给予人支气管上皮细胞系BEP2D(HBE)以不同的干预和治疗,分为:单纯培养组即对照组(A组),屋尘螨(dermatophagoides pteronyssinus,Derp1)(10 μg·mL-1)组(B组),Derp1(10 μg·mL-1)+ 地塞米松(dexamethasone,DEX)(1×10-6mol·L-1)组(C组),Derp1(10 μg·mL-1)+地龙注射液(0.9 mg·mL-1)组(D组),Derp1(10 μg·mL-1)+地龙注射液(9 mg·mL-1)组(E组), Derp1(10 μg·mL-1)+地龙注射液(18 mg·mL-1)组(F组),培养72 h,RT-PCR法检测各组细胞TGF-β1 mRNA, Smad2 mRNA 表达;并收集以上各组上清液,作用于人胚肺成纤维细胞(HLF)72 h,免疫细胞化学法检测纤维连接蛋白(Fibronectin,FN)表达。结果 B组TGF-β1mRNA, Smad2 mRNA表达较A组明显升高(P<0.01);各地龙组及C组,TGF-β1 mRNA、Smad2 mRNA表达低于B组,有显著性差异(P<0.01),与A组比较均无显著性差异(P>0.05);各组HLF中FN表达与HBE各对应组TGF-β1 mRNA表达呈正相关性。结论 地龙注射液有抑制哮喘气道重构的作用,其机制可能与抑制TGF-β1/Smad2 信号通路有关。

关键词

地龙注射液 / 屋尘螨 / 转化生长因子-β1 / Smad2 / 纤维连接蛋白 / 哮喘

Key words

earthworm injection / dermatophagoides pteronyssinus / transforming growth factor(TGF)-β1 / smad2 / fibronectin / asthma

引用本文

导出引用
李怀臣 徐瑞娥 杨艳娜 王莉. 地龙注射液对屋尘螨致敏气道上皮细胞TGF-β1/Smad2表达的影响[J]. 中国药学杂志, 2010, 45(15): 1145-1148
LI Hui-chen;XU Rui-e;YNG Yn-n;WNG Li. Effects of Earthworm Injection on Expression of TGF-β1/Smad2 in Bronchial Epithelial Cells Allergized by House Dust Mite Allergen Dermatophagoides Pteronyssinus Antigens[J]. Chinese Pharmaceutical Journal, 2010, 45(15): 1145-1148

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