Yao M, Yang JL, Wei DD, Yan XD, Chen J, Yao DF. Clinical significance of circulating sICAM-1 and GPC-3 mRNA expression in the diagnosis and prognostic evaluation of hepatocellular carcinoma.
Shijie Huaren Xiaohua Zazhi 2012;
20:1927-1932. [DOI:
10.11569/wcjd.v20.i21.1927]
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Abstract
AIM: To quantitatively detect the levels of circulating soluble intercellular adhesion molecule-1 (sICAM-1) and glypican-3 (GPC-3) mRNA expression in peripheral blood mononuclear cells (PBMCs) in patients with liver diseases for exploring their significance in the diagnosis and prognostic evaluation for hepatocellular carcinoma (HCC).
METHODS: Total RNA was extracted from circulating PBMCs collected from patients with liver diseases. GPC-3 cDNA was synthetized by reverse transcription and amplified by fluorescent quantitative PCR. The levels of circulating ICAM-1 were quantitatively detected by enzyme-linked immunosorbent assay.
RESULTS: The levels of sICAM-1 were increasing during the development of liver diseases, significantly higher in HCC patients than in those with liver cirrhosis (t = 3.184, P = 0.002) or chronic hepatitis (t = 3.962, P < 0.001). sICAM-1 levels were significantly associated with periportal cancerous embolus (t = 2.941, P = 0.005) and extrahepatic metastasis (t = 3.282, P = 0.002), but not with patients' age, sex, AFP level, HBsAg positivity, or tumor size. The positive expression of GPC-3 mRNA in PBMCs was found only in HCC patients (70.9%, 39 of 55), and not in patients with liver cirrhosis, chronic hepatitis, metastatic liver cancer, non-liver tumors, or normal controls (χ2 = 26.773, P < 0.001). The expression of GPC-3mRNA in PBMCs was associated with HBV infection (χ2 = 14.601, P < 0.001), TNM stage (χ2 = 17.732, P < 0.001), periportal cancerous embolus, and extrahepatic metastasis (χ2 = 22.271, P < 0.001), and not with tumor size, tumor number, AFP level or differentiation degree. Combined detection of GPC-3 mRNA and serum AFP level could improve the detection rate of HCC.
CONCLUSION: Detection of circulating sICAM-1 and GPC-3 mRNA in PBMCs could be used for the diagnosis and metastasis monitoring of HCC, especially in AFP-negative patients with HCC.
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