Fig. 4From: Downregulation of the PD-1/PD-Ls pathway in peripheral cells correlates with asbestosis severityAnalysis of PD-L1 or PD-L2 expression on CD14+ cells in PB. Representative flow cytometry analysis of the expression of PD-L1 (a) or PD-L2 (b) on CD14+ cells. The percentages of PD-L1+CD14+ (c) or PD-L2+CD14+ (d) cells in healthy controls and patients with asbestosis or silicosisBack to article page