Fig. 5From: TRIM21–SERPINB5 aids GMPS repression to protect nasopharyngeal carcinoma cells from radiation-induced apoptosisSERPINB5 expression increases in radioresistant NPC patients. a, b Immunohistochemistry staining of SERPINB5 and GMPS in radiosensitive a and radioresistant b patients. Based on the staining intensity, the images are divided into three grades from weakest to strongest (from 1 to 3, respectively)Back to article page