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. 2012;7(9):e45128.
doi: 10.1371/journal.pone.0045128. Epub 2012 Sep 18.

Role of single nucleotide polymorphisms of KIF1B gene in HBV-associated viral hepatitis

Ahmed Al-Qahtani  1 , Mashael Al-Anazi, Nisha A Viswan, Nisreen Khalaf, Ayman A Abdo, Faisal M Sanai, Hamad Al-Ashgar, Mohammed Al-Ahdal
Affiliations

Role of single nucleotide polymorphisms of KIF1B gene in HBV-associated viral hepatitis

Ahmed Al-Qahtani et al. PLoS One. 2012.

Abstract

Background/aim: Kinesin family member 1B (KIF1B) gene resides in the chromosomal region 1p36.22 and has been reported to have frequent deletions in a variety of human cancers. A recent genome wide association study (GWAS) study conducted on a Chinese population has reported the involvement of a KIF1B genetic variant in Hepatitis B virus (HBV)-related hepatocellular carcinoma (HCC). This study aims to investigate the significance of KIF1B genetic variations in HBV-associated hepatitis in patients of Saudi Arabian ethnicity.

Methods: TaqMan genotyping assay was used to investigate the association of three SNPs (rs17401966, rs12734551, and rs3748578) in 584 normal healthy controls and 660 HBV-infected patients. The patients were categorized into inactive carriers (Case I), active carriers (Case II), Cirrhosis (Case III) and Cirrhosis-HCC (Case IV) sub-groups.

Results: Since SNPs rs12734551 and rs3748578 are in strong linkage disequilibrium (LD) with rs17401966, only results for the latter SNP are reported. Therefore, the allele frequency of rs17401966 among HBV-infected patients and healthy controls were comparable and therefore, no significant association was observed (P=0.2811, Odds Ratio (OR) 0.897). A similar analysis was performed among the different sub-groups in order to determine whether KIF1B SNPs were associated with the advancement of the disease. No significant differences were observed in any of the comparisons performed.

Conclusion: Polymorphisms at KIF1B gene locus investigated in this study showed no significant association with HBV infection or with HBV-associated diseases such as liver cirrhosis or HCC.

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Conflict of interest statement

Competing Interests: The authors have declared that no competing interests exist.

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