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  • Title: [Expression and clinicopathologic significance of GPC3 and other antibodies in well-differentiated hepatocellular carcinoma].
    Author: DU JL, Wei LX, Wang YL.
    Journal: Zhonghua Bing Li Xue Za Zhi; 2011 Jan; 40(1):11-6. PubMed ID: 21429352.
    Abstract:
    OBJECTIVE: To study the expression and significance of GPC3, CD10 and CD34 in hepatocellular carcinoma (HCC), dysplastic nodules (DN), cirrhotic regenerative nodules (CRN), focal nodular hyperplasia (FNH) and hepatocellular adenoma (HA). METHODS: Immunohistochemical study for GPC3, CD10, CD34 and AFP was performed on 80 cases of HCC (30 cases of well-differentiated HCC and 50 cases of advanced HCC), 30 cases of DN (18 cases of high-grade DN and 12 cases of low-grade DN), 36 cases of CRN, 20 cases of FNH and 20 cases of HA. RESULTS: (1) The positive expression rate of GPC3 was 92% (46/50) in advanced HCC, 66.7% (20/30) in well-differentiated HCC, 2/18 in high-grade DN, and 0 in low-grade DN, CRN, FNH and HA. The expression rate of GPC3 in well-differentiated HCC was lower than that in advanced HCC and higher than that in high-grade DN (P < 0.05). (2) The negative expression rate of CD10 was 78% (39/50) in advanced HCC, 43.3% (13/30) in well-differentiated HCC, 20% (4/20 and 4/20) in both FNH and HA, 2.8% (1/36) in CRN and 0 in both high-grade DN and low-grade DN. The occurrence of CD10-strongly positive cells was 2% (1/50) in advanced HCC, 16.7% (5/30) in well-differentiated HCC, 15/18 in high-grade DN, 11/12 in low-grade DN, 80.6% (29/36) in CRN and 60% (12/20 and 12/20) in both FNH and HA. The positive expression rate of CD10 in well-differentiated HCC was higher than that in advanced HCC and lower than that in high-grade DN, low-grade DN, CRN, FNH and HA (P < 0.05). (3) The positive expression rates of CD34 in advanced HCC and well-differentiated HCC ranged from 25% to 100% [and strongly positive in 76% (38/50) and 70% (21/30), respectively]. The rates in high-grade DN and low-grade DN ranged from 5% to 25% (and weakly positive in 16/18 and 10/12, respectively). In CRN, the rate ranged from 0 to 5% [and weakly positive in 27.8% (10/36)]. In FNH and HA, the positive rates ranged from 25% to 50%. The positive expression rate of CD34 in well-differentiated HCC was significantly higher than that in high-grade DN, low-grade DN, CRN, FNH and HA (P < 0.05). (4) The positive expression rate of AFP was 44% (22/50) in advanced HCC, 20% (6/30) in well-differentiated HCC, no expression in DN, LCN, LCN, FNH and HA. The positive expression rate of AFP in well-differentiated HCC was lower than that in advanced HCC and higher than that in LCN, FNH and HA. The different expression had statistical significance (P < 0.05). CONCLUSIONS: GPC3 is a relatively sensitive and specific marker in pathologic diagnosis of HCC. When coupled with immunohistochemical results of CD34, CD10 and AFP, GPC3 is useful in differentiating HCC from DN, LCN, FNH and HA.
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