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The Effect of Interferon Gamma Gene Transferring on Inflammatory Cells in Bronchoalveolar Lavage Fluid of Asthma Mice
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- Author:
- No author available
- Journal Title:
- JOURNAL OF MODERN CLINICAL MEDICAL BIOENGINEERING
- Issue:
- 5
- DOI:
- 10.3760/cma.j.issn.1008-634X.2004.05.002
- Key Word:
- 干扰素Ⅱ型;炎症细胞;基因治疗;哮喘
Abstract： 目的观察气道内干扰素-γ(IFN-γ)基因转染对哮喘小鼠支气管肺泡灌洗液(BALF)嗜酸性粒细胞、中性粒细胞和淋巴细胞的影响.方法 C57BL/6小鼠40只,随机分为4组,每组10只,分别为正常对照组、哮喘组、模型空质粒干预组(空质粒组)和模型干扰素质粒干预组(干扰素组).卵白蛋白(OVA)抗原溶液腹腔注射致敏,滴鼻激发造模.对照组用生理盐水代替OVA;空质粒组和干扰素组分别经鼻滴入空质粒或重组干扰素质粒.观察各组实验小鼠的哮喘症状以及BALF中IFN-γ水平和各类炎症细胞的变化.结果哮喘组BALF中IFN-γ水平比正常对照组显著降低;哮喘小鼠干扰素质粒气道内转导后哮喘症状明显减轻,BALF中IFN-γ水平显著升高,同时嗜酸性粒细胞、中性粒细胞和淋巴细胞显著减少.结论气道内转染干扰素质粒能有效改善哮喘小鼠的症状和气道炎症.
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