Single nucleotide polymorphisms as a prerequisite for autoantigens |
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Authors: | Stadler Michael B Arnold Diana Frieden Sara Luginbühl Sarah Stadler Beda M |
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Institution: | Institute of Immunology, University of Bern, Bern, Switzerland. stadler@mit.edu |
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Abstract: | It is still elusive why certain self proteins induce an autoimmune response. One immunological hypothesis is that only modified or altered self-proteins may become a target. Thus, we asked whether such alterations may actually be genetic polymorphisms that can be revealed by analyzing sequence variability in the known human autoantigens. Indeed, we found autoantigens to contain significantly more single nucleotide polymorphisms (SNP) than other human genes do. Our finding may offer an explanation for autoimmune responses through allogeneic exposure. Besides other contributing factors in autoimmunity, SNP may represent an essential prerequisite for the primary induction of an autoimmune response. |
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Keywords: | Autoantigens Alloantigens Autoimmunity Genetic polymorphisms Bioinformatics |
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