收集支气管肺泡灌洗液，评价总细胞和不同细胞计数、细胞因子和趋化因子水平。
Bronchoalveolar lavage fluid was assessed for total and differential cell counts, and cytokine and chemokine levels.
在细菌感染的早期，这些细胞的数量增多，控制细菌的繁殖，并分泌产生细胞因子和趋化因子。
These cells can have several roles during the early stage of an infection including controlling bacterial replication and producing cytokines and chemokines that activate and recruit additional cells.
粘附分子和粘附受体在这一过程中起重要作用，多种细胞因子和趋化因子参与了单核细胞募集的调节。
This is called "monocyte recruitment". Adhesive molecules and adhesive receptors take part and play an important role in the process.
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