Epistatic effects of genes encoding immunoglobulin GM allotypes and interleukin-6 on the production of autoantibodies to 60- and 65-kDa heat-shock protiens

J. P. Pandey, Zoltán Prohászka, A. Veres, G. Füt, M. Hurme

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Immunoglobulin GM and KM genes have been associated with antibody responses to a variety of antigens. A promoter-region polymorphism of interleukin-6 (IL-6) gene (- 174 G/C) has been shown to be associated with antibody responses to heat-shock proteins (hsp) 60 and hsp65. To examine the possible epistatic effects of these unlinked genetic systems on the autoimmune responses to hsp60 and hsp65, 176 healthy Caucasian subjects from Finland were genotyped for several allelic determinants of GM, KM, and IL-6 genes by PCR-RFLP methods. IgG antibodies to hsp60 and hsp65 were measured by an ELISA. Significant interactive effects of GM f,z and IL-6-174 genotypes were noted for both anti-hsp60 (P=0.002) and anti-hsp65 (P=0.038) antibody levels. Since these autoantibodies have been implicated in susceptibility to coronary heart disease and carotid atherosclerosis, the associations reported here might be relevant to the etiology of these diseases.

Original languageEnglish
Pages (from-to)68-71
Number of pages4
JournalGenes and Immunity
Issue number1
Publication statusPublished - Jan 1 2004



  • Autoimmunity
  • Heat-shock proteins
  • IL-6 gene
  • Immunoglobulin GM and KM genes

ASJC Scopus subject areas

  • Immunology
  • Genetics
  • Genetics(clinical)

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