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. 2018 Dec;214(12):1987-1992.
doi: 10.1016/j.prp.2018.09.007. Epub 2018 Sep 13.

Hypoxia inducible factor 1α in hepatocellular carcinoma with cirrhosis: Association with prognosis

Dan Wang  1 , Xiaojing Zhang  2 , Yapeng Lu  1 , Xueting Wang  1 , Li Zhu  3
Affiliations

Hypoxia inducible factor 1α in hepatocellular carcinoma with cirrhosis: Association with prognosis

Dan Wang et al. Pathol Res Pract. 2018 Dec.

Abstract

Background: Hypoxia inducible factor 1α (HIF-1α) is a protein related with carcinogenesis and metastasis in many tumors. However, little is known about the prognostic value of HIF-1α in hepatocellular carcinoma (HCC) patients with cirrhosis.

Methods: Clinical-pathological information and follow-up data were collected from HCC (n = 419) and chronic hepatitis (n = 49) patients. HIF-1α expression was scored based on the percentage of immunohistochemical staining. Correlations between HIF-1α expression and clinical features were evaluated by Chi-square test. And survival analysis was performed by multivariate Cox regression analysis.

Results: In cirrhosis patients, the frequency of HIF-1α positive expression in HCC was higher than in chronic hepatitis (P = 0.002). HIF-1α positive expression was significantly associated with vascular invasion (P = 0.002), TNM stage (P = 0.005), HBV infection (P = 0.005), tumor size (P = 0.025) and portal vein tumor thrombus (P = 0.001) in HCC with liver cirrhosis. While, in cirrhosis-free patients, HIF-1α positive expression had a significant correlation with vascular invasion (P = 0.039) and AFP value (P = 0.001) in. HIF-1α "positive" had decreased overall survival compared to HIF-1α "negative" patients and this was an independent adverse prognostic factor (multivariable analysis P = 0.001) for HCC patients with cirrhosis, but not for cirrhosis-free patients.

Conclusions: Our results suggested that HIF-1α served as a poor prognostic factor for HCC patients with cirrhosis.

Keywords: Cirrhosis; Hepatocellular carcinoma; Hypoxia inducible factor 1α; Prognosis.

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