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Hoffmann, R. A wiki for the life sciences where authorship matters. Nature Genetics (2008)
 

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Association of the AChRalpha-subunit gene (CHRNA), DQA1*0101, and the DR3 haplotype in myasthenia gravis. Evidence for a three-gene disease model in a subgroup of patients.

Myasthenia gravis (MG) is an autoimmune disease of the neuromuscular junction having multigene control. HLA-linked loci and the HB*14 micro-satellite marker located within the CHRNA gene which encodes the muscular acetylcholine receptor (AChR) alpha-subunit, the target self-antigen, were previously associated with MG. Combined analysis of these loci revealed a significant increase of DQA1*0101 alleles in HB*14+ vs. HB*14- patients and of DQA1*0501 alleles in HB*14/DQA1*0101 patients. Importantly, the effect of DQA1*0101 was independent of allelically associated DQB1 and DRB1 genes. In contrast, the effect of DQA1*0501 could not be dissociated from that of DRB1*03 and DQB1*0201 on the extended DR3 haplotype. These results indicate that a combination of three genes, of which two are linked to HLA, contributes to disease susceptibility in a subgroup of MG patients.[1]

References

  1. Association of the AChRalpha-subunit gene (CHRNA), DQA1*0101, and the DR3 haplotype in myasthenia gravis. Evidence for a three-gene disease model in a subgroup of patients. Djabiri, F., Caillat-Zucman, S., Gajdos, P., Jaïs, J.P., Gomez, L., Khalil, I., Charron, D., Bach, J.F., Garchon, H.J. J. Autoimmun. (1997) [Pubmed]
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