A polymorphism in FAS gene promoter correlated with circulating soluble FAS levels

W. Mahfoudh, B. Bel Hadj Jrad, A. Romdhane, Lotfi Chouchane

Research output: Contribution to journalArticle

17 Citations (Scopus)

Abstract

The -670FAS (A/G) polymorphism and elevated concentrations of the soluble form of FAS (sFAS) have been associated with neoplasic and autoimmune diseases. This polymorphism in the Fas promoter gene could modulate the transcription of Fas expression and therefore, contribute to these pathologies. The in vivo functional significance of the FAS polymorphism was investigated by assessing the correlation between FAS genotypes and the serum-circulating FAS (sFAS) levels. We determined the FAS polymorphism distributions by restriction fragment-length polymorphism-polymerase chain reaction in 170 normal subjects. We used enzyme-linked immunosorbent assay to evaluate the sFAS levels in 44 of these individuals. Assessment of the concentration of sFAS indicated that the level of sFAS in subjects carrying the FAS-A/A genotype was significantly higher than that of those carrying the G/G genotype (3.90 ng mL-1 vs. 3.12 ng mL-1, P = 0.035). Our results demonstrated that FAS promoter polymorphism was significantly associated with the level of soluble FAS production in normal subjects.

Original languageEnglish
Pages (from-to)209-212
Number of pages4
JournalInternational Journal of Immunogenetics
Volume34
Issue number3
DOIs
Publication statusPublished - Jun 2007
Externally publishedYes

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Genotype
Genes
Restriction Fragment Length Polymorphisms
Autoimmune Diseases
Enzyme-Linked Immunosorbent Assay
Pathology
Polymerase Chain Reaction
Serum

ASJC Scopus subject areas

  • Genetics
  • Immunology
  • Molecular Biology

Cite this

A polymorphism in FAS gene promoter correlated with circulating soluble FAS levels. / Mahfoudh, W.; Bel Hadj Jrad, B.; Romdhane, A.; Chouchane, Lotfi.

In: International Journal of Immunogenetics, Vol. 34, No. 3, 06.2007, p. 209-212.

Research output: Contribution to journalArticle

Mahfoudh, W. ; Bel Hadj Jrad, B. ; Romdhane, A. ; Chouchane, Lotfi. / A polymorphism in FAS gene promoter correlated with circulating soluble FAS levels. In: International Journal of Immunogenetics. 2007 ; Vol. 34, No. 3. pp. 209-212.
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