Figure 10. CTSL2 expression in human LUAD tissues and cell lines. (A) Expression of CTSL2 in 35 LUAD tissues and adjacent normal tissues by qRT-PCR; (B) CTSL2 expression levels in HaCaT, BEAS-2B, A549, SPCA-1, 95-D, PG-49, and NCI-H292 by qRT-PCR; (C) CTSL2 expression in A549 cells transfected with control, si-NC, si-CTSL2, and O-CTSL2 by qRT-PCR. **P < 0.01.