HSPB1 and non-small cell lung carcinoma: As shown in Table 2 and Fig. 3B–F, patients with poorly differentiated NSCLC showed an elevated serum level of HSP27 mRNA (45.61 ±11.30, 2−ΔΔCt) compared with the patients with well differentiated NSCLC (36.94 ± 15.55, 2−ΔΔCt) (P = 0.035).