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染矽尘大鼠肺组织匀浆一氧化氮含量、一氧化氮合酶活力的研究

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摘要 研究表明,当暴露于矽尘等炎性刺激物作用时,肺泡巨噬细胞和肺中性粒细胞一氧化氮(nitricoxide,NO)生成增加,并上调诱导型一氧化氮合酶(inducible nitric oxide,iNOS)基因表达。但是,有研究认为矽尘并不能够直接增加培养的肺泡巨噬细胞产生NO;还有研究认为NO可能是肺纤维性结节形成的调节因子。这些研究提示NO及NOS的变化与矽尘对肺的作用有关。本研究测定了染尘后不同处理时点肺匀浆NO含量和NOS活力,并进行相关分析,以期能有助于解释矽尘对肺的作用。
出处 《中国预防医学杂志》 CAS 2002年第3期241-242,共2页 Chinese Preventive Medicine
基金 国家自然科学基金(批准号:30070654)
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