Archives of neurology · 2007
Polygenic disease associations in thymomatous myasthenia gravis.
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Amdahl Christian, Alseth Espen H, Gilhus Nils E, Nakkestad Hanne L, Skeie Geir O
Аннотация
BACKGROUND: Relevant genetic markers for myasthenia gravis (MG) include tumor necrosis factors alpha and beta, Fcgamma receptor IIa, and interleukin 10. The corresponding gene products are thought to be involved in MG pathogenesis.
OBJECTIVES: To investigate whether MG susceptibility correlates with specific combinations of genetic markers and to compare the contribution of each marker.
PARTICIPANTS: Forty-seven patients with MG and 92 healthy blood donors.
MAIN OUTCOME MEASURES: Presence of tumor necrosis factors alpha and beta, Fcgamma receptor IIa, and interleukin 10 genotypes and autoantibodies against nicotinic acetylcholine receptor, titin, and ryanodine receptor.
RESULTS: Susceptibility to MG increases with an increasing number of genetic markers in both thymomatous MG and MG with titin antibodies but not in early-onset MG. In thymomatous MG, Fcgamma receptor IIa allelic variants seem to be the most important determinant of disease.
CONCLUSION: Specific combinations of allelic variants individually associated with MG synergize in predisposing to thymomatous MG and MG with titin antibodies.
OBJECTIVES: To investigate whether MG susceptibility correlates with specific combinations of genetic markers and to compare the contribution of each marker.
PARTICIPANTS: Forty-seven patients with MG and 92 healthy blood donors.
MAIN OUTCOME MEASURES: Presence of tumor necrosis factors alpha and beta, Fcgamma receptor IIa, and interleukin 10 genotypes and autoantibodies against nicotinic acetylcholine receptor, titin, and ryanodine receptor.
RESULTS: Susceptibility to MG increases with an increasing number of genetic markers in both thymomatous MG and MG with titin antibodies but not in early-onset MG. In thymomatous MG, Fcgamma receptor IIa allelic variants seem to be the most important determinant of disease.
CONCLUSION: Specific combinations of allelic variants individually associated with MG synergize in predisposing to thymomatous MG and MG with titin antibodies.
Предметные рубрики MeSH
AllelesAntigens, CDAutoantibodiesConnectinDNAGenetic MarkersGenetic VariationGenotypeHumansInterleukin-10Lymphotoxin-alphaMuscle ProteinsMyasthenia GravisProtein KinasesReceptors, IgGReceptors, NicotinicReverse Transcriptase Polymerase Chain ReactionRyanodine Receptor Calcium Release ChannelThymomaThymus NeoplasmsTumor Necrosis Factor-alpha