CCL27 and toxic epidermal necrolysis: Higher levels of CCL27 were observed during the acute stage of SJS/TEN (629.2 ± 233.0 pg/ml) as compared with the resolution stage (421.9 ± 141.8 pg/ml; P = 0.001) or normal controls (377.2 ± 86.1 pg/ml; P < 0.001; Fig. 1).