This study was performed in 171 healthy controls, 133 chronic hepatitis B (CHB) patients, 97 patients with HBV-related liver cirrhosis (LC) and 334 HBV-related hepatocellular carcinoma (HCC) patients. The genotypes of these two polymorphisms in these subjects were detected using polymerase chain reaction–ligation detection reaction (PCR–LDR) method. Stratification analyses by clinical characteristics and survival analysis of HCC patients were also performed according to their genotypes.
The genotype and allele frequencies at codon 54 manifested a significant difference between healthy controls and patients with progressive HBV-related liver diseases, especially liver cirrhosis. Allele A appeared to have protective effect from developing LC and HCC compared with G allele. The percentages of the patients with G allele at –221C/G increased in HBV-related disease groups. When combined together as a haplotype, lower haplotype AC frequency was associated with a decreased risk for the progression of HBV-related liver diseases and HCC developing. Furthermore, HCC patients with G allele at codon 54 showed to have better survival than those with A allele.
These results indicated that polymorphisms in MBL2 gene may influence susceptibility, progression and prognosis of HBV-related liver diseases.
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