Fig 9.

L-Serine inhibits intracellular ROS and mtROS levels and repairs MMP by regulating SIRT1 in Beas 2B cells. (A) Intracellular ROS levels were detected using DCFH-DA probe in different groups, and the fluorescence intensity was quantified using ImageJ. (B) Changes in MMP were assessed using the JC-1 probe, and the ratio of red to green fluorescence was analyzed. (C) mtROS levels in Beas 2B cells were detected and quantified in different groups. Scale bar, 100 µm. ^#,▲P < 0.05. ^{**, ##,▲▲}P < 0.01. ^***P < 0.001. ^*Compared with the control group. ^#Compared with the A. baumannii group. ^▲Compared with the A. baumannii+L-serine group.