TRPA1 and hepatocellular carcinoma: Western blot results in Fig. 1c show that TRPA1 is expressed in LUAD cell lines (HCC-515 and HCC-44), whereas FGFR2 is only detectable in HCC-515 compared to CCL-204 and normal bronchial epithelium cell line (LIMM-NBE1; used as an additional control).