Suppressed Expression of CXCLI4 in Hepatocellular Carcinoma Tissues and Its Reduction in the Advanced Stage of Chronic HBV Infection

Introduction: CXCL14 was a significantly under-expressed mRNA in hepatocellular carcinoma tissues according to our microarray analysis, as well as head and neck squamous cell carcinoma and cervical squamous cell carcinoma. CXCL14 was considered a tumor suppressor in some studies; however, its role i...

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Published in:Cancer management and research 2019-12, p.10435
Main Authors: Lin, Yong, Chen, Bo-Mei, Yu, Xiao-Lu, Yi, Huo-Chun, Niu, Jian-Jun, Li, Shu-Lian
Format: Article
Language:English
Subjects:
Analysis
Cancer
Carcinoma
Codons
Development and progression
DNA microarrays
Enzyme-linked immunosorbent assay
Enzymes
Genetic aspects
Genotypes
Health aspects
Hepatitis
Hepatitis B
Hepatocellular carcinoma
Infection
Liver
Liver cancer
Messenger RNA
RNA
Squamous cell carcinoma
Tumors
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Summary:Introduction: CXCL14 was a significantly under-expressed mRNA in hepatocellular carcinoma tissues according to our microarray analysis, as well as head and neck squamous cell carcinoma and cervical squamous cell carcinoma. CXCL14 was considered a tumor suppressor in some studies; however, its role in HBV infection has not been identified. Methods: CXCL14 mRNA expression was quantified from 20 male HCC patients, and the fold change in cancer tissues was calculated by comparisons with normal adjacent tissues. Overall, 212 patients with chronic HBV infection and 180 HBV-free controls were recruited to investigate the association between CXCL14 polymorphisms and HBV progression as well as liver function parameters. Serum CXCL14 levels were determined by enzyme-linked immunosorbent assay (ELISA), and comparisons were made between different HBV status and different CXCL14 genotypes. Results: The mRNA expression of CXCL14 was 0.33-fold in HCC tissues when compared with adjacent tissues. The frequencies of rs2237062 and rs2547, but not rs2237061, were significantly different between patients with mild hepatitis and moderate-to-severe hepatitis. Moreover, rs2237062 and rs2547 polymorphisms correlated with impaired liver function parameters. ELISA results suggested that HBV-free controls had the highest level of CXCL14, while mild hepatitis patients had low levels, and patients with moderate-to-severe hepatitis had the lowest level. GA+AA genotypes of rs2547 were associated with reduced levels of serum CXCL14 because it introduced a stop codon at residue 109. Conclusion: CXCL14 was significantly suppressed in HBV-related HCC tissues, and its polymorphisms were linked with advanced stage chronic HBV infection and impaired liver function. Keywords: CXCL14, HBV infection, disease progression, polymorphism
ISSN:1179-1322
1179-1322
DOI:10.2147/CMAR.S220528