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  • Title: Microheterogeneity of serum transferrin in the diagnosis of hepatocellular carcinoma.
    Author: Suzuki Y, Aoyagi Y, Mori S, Suda T, Naitoh A, Isokawa O, Yanagi M, Igarashi H, Asakura H.
    Journal: J Gastroenterol Hepatol; 1996 Apr; 11(4):358-65. PubMed ID: 8713703.
    Abstract:
    Heterogeneous reactivity of human serum transferrin (Tf) with lectins was analysed using patient sera to determine whether it can be used to distinguish patients with hepatocellular carcinoma (HCC) from those with liver cirrhosis (LC). Microheterogeneity of Tf was analysed by crossed immunoaffinity electrophoresis (CIAE) with concanavalin A (Con A) and Lens culinaris agglutinin (LCA). Sample sera from 58 patients with HCC, 43 patients with LC and 10 normal controls were used in this study and the results were evaluated statistically. The increments of Con A-non-reactive (C1) and -weakly reactive (C2) species of Tf were observed in HCC compared with those of LC and Norm. Significant increase in the combined percentage of Con A- C1 + C2 species was also revealed in HCC (35.5 +/- 8.5%, mean+/-s.d.) compared with those of LC (29.1 +/- 6.8%; P < 0.001) and normal controls (17.1 +/- 2.3%; P < 0.001). The elevation of LCA-reactive (L2) species of Tf was recognized in HCC (8.2 +/- 3.8%) in comparison with those of LC (4.8 +/- 3.1%; P < 0.001) and normal controls (1.3 +/- 1.7%; P < 0.001). The increment of C1 + C2 species and/or L2 species of Tf was observed in 78% (sensitivity) of patients with HCC. The specificity, the positive predictive value and the overall accuracy were 81, 88 and 72%, respectively. Positive ratio of C1 + C2 and/or L2 species was 77 and 70% in alpha-fetoprotein low and -high producing HCC patients, respectively. These results indicate that the microheterogeneity analysis of human serum Tf is useful for distinguishing patients with HCC from those with LC and normal controls.
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