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. 2021 May 12;21:259. doi: 10.1186/s12935-021-01933-9

Fig. 8.

Fig. 8

External validation of the expression patterns of survival-related hub genes based on GSE19188 and Clinical Proteomic Tumor Analysis Consortium (CPTAC) database. The mRNA (a) and protein (b) expression patterns of CHRDL1 are compared between LUAD and normal lung tissues. The mRNA (c) and protein (d) expression patterns of SPARCL1 are compared between LUAD and normal lung tissues. The mRNA (e) and protein (f) expression patterns of SPP1 are compared between LUAD and normal lung tissues. The mRNA (e) expression pattern of PENK is compared between LUAD and normal lung tissues