Identification and differential expression of human carcinoma-associated antigens in hepatocellular carcinoma tissues

Identification and differential expression of human carcinoma-associated antigens in hepatocellular carcinoma tissues
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肝细胞癌组织中人癌相关抗原的鉴定及差异表达

DOI:
10.1177/1535370212474599
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发表时间:
2013-02
影响因子:
3.2
通讯作者:
--
中科院分区:
医学4区
文献类型:
--
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本研究旨在鉴定和验证肝细胞癌 (HCC) 相关人类癌抗原 (HCA),这些抗原可能可用作 HCC 肿瘤标志物。我们发现 BCE075 和 BCD021 抗 HCA 抗体在肝组织样本中进行了免疫染色,并显示出特异性染色。与正常肝组织相比,它们在 HCC 中的表达增加(P = 0.008)。对这两种抗体沉淀的蛋白质进行免疫沉淀和质谱分析,鉴定为细胞骨架相关蛋白 4 (CLIMP63) 和脑型糖原磷酸化酶 (PYGB)。这项研究证明 HCC 组织表达特异性 HCA 糖蛋白,这表明我们的小鼠单克隆抗 HCA 抗体可用于 HCA 表达的免疫组织化学分析,作为 HCC 诊断的潜在生物标志物。
This study was designed to identify and verify hepatocellular carcinoma (HCC)-associated human carcinoma antigens (HCAs) that may be useful as tumor markers for HCC. We found that BCE075 and BCD021 anti-HCA antibodies were immunostained in the liver tissue samples and showed specific staining. Their expression was increased in HCC compared with normal liver tissues (P = 0.008). Immunoprecipitation and mass spectrometry analyses of the proteins precipitated by these two antibodies were identified to be cytoskeleton-associated protein 4 (CLIMP63) and brain-type glycogen phosphorylase (PYGB). This study demonstrated that HCC tissues expressed specific HCA glycoproteins, suggesting that our mouse monoclonal anti-HCA antibodies could be useful for immunohistochemical analysis of HCA expression as potential biomarkers for HCC diagnosis.
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发表时间: 2011-06
期刊: Hepatology
影响因子: 13.5
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