PKM and colorectal carcinoma: As indicated by qRT-PCR (quantitative reverse transcription - polymerase chain reaction) technique, PKM2 mRNA expression was 3.7 ± 0.53 (mean ± standard deviation, similarly hereinafter) and 2.56 ± 0.11 in CRC cell line (THC8307) and in oxaliplatin-resistant CRC cell line (THC8307/Oxa), respectively, as compared with that in the HCMEC cell line.