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2017 ; 23
(ä): 4343-4350
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Overexpression of Acyl-CoA Ligase 4 (ACSL4) in Patients with Hepatocellular
Carcinoma and its Prognosis
#MMPMID28887439
Sun XJ
; Xu GL
Med Sci Monit
2017[Sep]; 23
(ä): 4343-4350
PMID28887439
show ga
BACKGROUND Recently, accumulating studies have found that ACSL4 dysregulation is
related to a great number of malignant tumors. The purpose of the present study
was to explore the relationship between ACSL4 expression level and clinical
prognosis of hepatocellular carcinoma (HCC) patients. MATERIAL AND METHODS The
Oncomine and TCGA databases were used to predict the expression of ACSL4 mRNA in
HCC and its association with HCC prognosis. Further, immunohistochemistry was
performed to verify the ACSL4 protein expression in 116 paired HCC and adjacent
normal tissues. Kaplan-Meier and cox analysis were performed to validate the
correlation between ACSL4 expression and HCC prognosis. RESULTS We first used the
Oncomine database to find that ACSL4 mRNA expression level was significantly
higher in HCC tissues than that in normal tissues (p all <0.001). The results
were consistent with those in the TCGA database. Then, immunohistochemical
results demonstrated that the ACSL4 positive expression rate was 70.7% in HCC
tissues. ACSL4 differential expression level was significantly related to
Edmondson grade (p=0.010), AFP (p=0.001) and TNM stage (p=0.012). Survival
analysis revealed that both overall survival (OS) and disease-free survival (DFS)
time were remarkably reduced in HCC patients with ACSL4 high expression (p=0.001
and 0.000, respectively). Moreover, Cox multivariate analysis demonstrated that
ACSL4 expression was the only independent prognostic factor for both OS and DFS
(both p values=0.001). CONCLUSIONS Taken together, our study demonstrated that
ACSL4 was overexpressed in HCC, and it will be a new potential therapeutic target
for HCC as an independent adverse prognostic parameter.