TXNRD1 and non-small cell lung carcinoma: Kaplan-Meier survival curves further demonstrate that NSCLC patients with low serum TrxR1 activity have longer PFS (5.3m vs. 3.6m, p=0.044, Figure 1A) and OS (14.5m vs. 11.0m, p<0.001, Figure 1B), compared to those with high serum TrxR1 activity.