Methods Alveolar macrophages recovered by lung lavage and interstitial macrophages by treatment of the lung tissue with DNAse and collagenase,the AM were treated in the same way as IM.

• 方法支气管肺泡灌洗获取肺泡巨噬细胞,肺组织机械处理结合酶消化法(DNA酶、胶原酶)分离间质巨噬细胞;