To further determine the synergistic effects of LPS, BLP and bacterial DNA on the expression of pattern recognition receptors(PRR) on the cell surface of mouse alveolar macrophages and cellular activation;

• 第三,进一步观察了细菌LPS、细菌脂蛋白和细菌DNA对肺泡巨噬细胞表面上述模式识别受体表达的影响及其对细胞激活的协同作用;