SOD1 and non-small cell lung carcinoma: DNA damage caused by X‐rays in NSCLC cells overexpressing SOD1 and cultured in a β‐Thy‐containing medium was significantly greater than that observed in the IR + SOD1 group and significantly less than that in the β‐Thy group (Student’s t‐test, p  < 0.05, Figure 8e, f).