TGFB1 and hepatocellular carcinoma: The level of TGF-β in the control group was 5.3 ± 3.3 (ng/ml) in comparison to 28.6 ± 3.3 (ng/ml) in HCC as per Study 1 (37), 3.58 ± 0.17log10 (pg/ml) in control to 3.83 ± 0.31 log10 (pg/ml) in HCC as per Study 2 (38), and 250.16 ± 284.61 (pg/ml) in control to 1,687.47 ± 1,462.81 (pg/ml) in HCC in Study 3 (39).