Humoral autoimmune response to nucleophosmin in the immunodiagnosis of hepatocellular carcinoma

Oncology Reports
Mei LiuJian-Ying Zhang

Abstract

Hepatocellular carcinoma (HCC) is a worldwide prevalent cancer with an exremely poor prognosis. Detection of serum α-fetoprotein (AFP) and liver imaging techniques are the conventional methods used clinically for the identification of this malignancy. However, these techniques are not reliable for early diagnosis, and particularly the sensitivity and specificity of AFP in HCC diagnosis are not optimal. Therefore, there is an urgent need for the development of more sensitive and specific methods that can improve AFP quantification in the early detection of HCC. In the present study, autoantibody responses to nucleophosmin (NPM1) in HCC patients were evaluated by enzyme-linked immunosorbent assay (ELISA), western blotting and indirect immunofluorescence. Immunohistochemistry (IHC) with tissue array slides was also performed to analyze protein expression of NPM1 in HCC and control tissues. The prevalence of autoantibodies against NPM1 was 22.4% (17/76) in HCC, which was significantly higher than that in sera from patients with liver cirrhosis (LC), chronic hepatitis (CH) and systemic lupus erythematosus (SLE) (P<0.01). The average titer of autoantibodies against NPM1 in HCC sera was higher compared to that in LC, CH, SLE and norma...Continue Reading

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Citations

Jul 3, 2021·International Journal of Molecular Sciences·Mengtao XingJian-Ying Zhang

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Methods Mentioned

BETA
ELISA
nickel
Enzyme-linked immunosorbent assay
fluorescence microscopy
light microscopy
electrophoresis

Software Mentioned

Zen

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