Abstract
Objective
To detect the expression and location of TGF-β1, ADAM12 and HB-EGF in primary hepatic carcinoma and study their effect on the growth and metastasis of hepatoma carcinoma cell.
Methods
TGF-β1, ADAM12 and HB-EGF were detected by RT-PCR and immunohistochemistry in 30 cases of hepatic carcinoma tissues, 30 cases of adjacent carcinoma tissues and 5 cases of normal hepatic tissues.
Results
RT-PCR analyses showed that the mRNA expression of TGF-β1, ADAM12 and HB-EGF were markedly increased in each hepatic carcinoma tissue compared with its adjacent tissue (P < 0.01), but no signal was detected in normal hepatic tissue. Immunohistochemistry showed the same outcome on the expression of above three factors in hepatic tissues as RT-PCR. Proteins location analyses showed the proteins of TGF-β1, ADAM12 and HB-EGF all distributed in the stroma of hepatic carcinoma tissues. The positive correlation was found between TGF-β1 and ADAM12 (r = 0.6137, P < 0.05), as well as ADAM12 and HB-EGF (r = 0.5763, P < 0.05). The protein expression of TGF-β1, ADAM12 and HB-EGF were correlated with the size of tumors, degree of differentiation of hepatoma carcinoma cells, portal vein thrombus and the metastasis of absorbent glands, especially with hepatic cirrhosis caused by hepatitis B virus.
Conclusion
TGF-β1, ADAM12 and HB-EGF possibly play an important role in the process of growth, invasion and metastasis of hepatoma carcinoma cell, meanwhile, the above three factors may collectively participate in the transition from hepatic cirrhosis caused by hepatitis B virus to hepatocellular carcinoma.
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Cheng, H., Tian, D., Hu, X. et al. The expression of TGF-β1, ADAM12 and HB-EGF in primary hepatic carcinoma. Chin. -Ger. J. Clin. Oncol. 7, 686–689 (2008). https://doi.org/10.1007/s10330-008-0144-6
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DOI: https://doi.org/10.1007/s10330-008-0144-6