RT–PCR analysis of 60 HCC samples and 47 paired HCC and adjacent nontumorous tissues revealed that ALDH1A1 mRNA expression was not significantly different in tumour and nontumor tissues (1.36 ± 1.26 vs. 1.00 ± 0.53, p = 0.8858).42 The gene discussed is ALDH1A1; the disease is hepatocellular carcinoma.