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Prevalence of genetic polymorphisms in the promoter region of the alpha-1 antitrypsin (SERPINA1) gene in chronic liver disease: a case control study.

AbstractBACKGROUND:
Alpha-1 antitrypsin (A1AT) deficiency, caused by the Z allele (p.E342K) and S allele (p.E264V) in the SERPINA1 gene, can induce liver and pulmonary disease. Different mechanisms appear to be responsible for the pathogenesis of these divergent disease expressions. The c.-1973T >C polymorphism located in the SERPINA1 promoter region is found more frequent in A1AT deficiency patients with liver disease compared to patients with pulmonary disease, but data are lacking regarding contribution to the development of liver diseases caused by other aetiologies.
AIM:
To study the prevalence of c.-1973T >C, Z allele and S allele in a cohort of patients with liver disease of various aetiologies compared with healthy controls and to evaluate its effect on disease progression.
METHODS:
A total of 297 patients with liver disease from various aetiologies and 297 age and gender matched healthy controls were included. The c.-1973T >C polymorphism and Z and S alleles of the SERPINA1 gene were analyzed by real-time PCR.
RESULTS:
c.-1973T >C was similarly distributed between patients with liver disease of various origins and healthy controls. Furthermore, the distribution of c.-1973T >C was independent from aetiology subgroup. In patients with liver disease mean ages at of onset of liver disease were 44.4, 42.3 and 40.7 years for the c.-1973 T/T, T/C and C/C genotype respectively (NS). S allele heterozygosity was increased in patients with drug induced liver injury (DILI), (OR 4.3; 95%CI 1.1-17.2).
CONCLUSION:
In our study, c.-1973T >C polymorphism was not a risk factor for liver disease of various aetiologies. In addition, S allele heterozygosity might contribute to the development of DILI.
AuthorsKarin F Kok, René H te Morsche, Martijn G H van Oijen, Joost P H Drenth
JournalBMC gastroenterology (BMC Gastroenterol) Vol. 10 Pg. 22 (Feb 20 2010) ISSN: 1471-230X [Electronic] England
PMID20170533 (Publication Type: Journal Article, Research Support, Non-U.S. Gov't)
Chemical References
  • SERPINA1 protein, human
  • alpha 1-Antitrypsin
Topics
  • Adolescent
  • Adult
  • Aged
  • Aged, 80 and over
  • Case-Control Studies
  • Child
  • Chronic Disease
  • Female
  • Haplotypes
  • Humans
  • Linkage Disequilibrium
  • Liver Diseases (genetics)
  • Male
  • Middle Aged
  • Polymorphism, Genetic
  • Risk Factors
  • Young Adult
  • alpha 1-Antitrypsin (genetics)

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