Relationship between MIF-173 G/C polymorphism and susceptibility to chronic hepatitis B and HBV-induced liver

Ka Zhang1, Xingfei Pan, Xin Shu

  • 1Department of Infectious Diseases, The 3rd Affiliated Hospital, Sun Yat-Sen University, Guangzhou 510630, People's Republic of China.

Cellular Immunology
|June 18, 2013
PubMed

Insights

Macrophage migration inhibitory factor (MIF) gene polymorphism, specifically MIF-173 C/C, is linked to a higher risk of chronic hepatitis B (CHB) and liver cirrhosis (HC) in Southern China. This finding suggests a potential genetic predisposition to these inflammatory liver diseases.

Area of Science:

  • Immunogenetics
  • Hepatology
  • Molecular Biology

Background:

  • Macrophage migration inhibitory factor (MIF) is a key pro-inflammatory cytokine involved in immune responses.
  • Functional polymorphisms in the MIF promoter region regulate its expression and are associated with various inflammatory diseases.
  • The specific association between MIF gene polymorphisms and chronic hepatitis B (CHB) or HBV-induced liver cirrhosis (HC) remained uninvestigated.

Purpose of the Study:

  • To investigate the association between MIF gene polymorphism at position -173 and the risk of developing CHB or HC.
  • To determine if MIF-173 genotypes correlate with clinical characteristics in patients with CHB or HC.

Main Methods:

  • Genotyping of the MIF-173 polymorphism was performed using samples from 95 CHB patients, 73 HC patients, and 90 healthy controls from Southern China.
  • Statistical analysis was employed to compare genotype and allele frequencies between patient groups and controls.

Main Results:

  • The frequency of the MIF-173 C/C genotype was significantly higher in both CHB and HC patient groups compared to healthy controls.
  • A statistically significant difference in the distribution of the MIF-173 C allele was observed between CHB patients and healthy controls.
  • No significant correlation was found between MIF-173 genotype and the clinical features of CHB or HC patients.

Conclusions:

  • The MIF-173 C/C polymorphism may be associated with an increased susceptibility to CHB and HC in the Southern Chinese population.
  • MIF gene polymorphism could serve as a potential genetic marker for inflammatory liver diseases like CHB and HC.
  • Further research is warranted to elucidate the precise mechanisms linking MIF polymorphism to liver disease pathogenesis.

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