Susceptibility to chronic inflammatory demyelinating polyradiculoneuropathy is associated to polymorphic GA repeat in the SH2D2A gene.
The SH2D2A gene encodes a T-cell-specific adapter protein involved in the negative control of T-cell activation. The genotype GA13-16 homozygote of the SH2D2A gene promoter has been associated with the susceptibility to develop multiple sclerosis. Chronic inflammatory demyelinating polyradiculoneuropathy (CIDP) is an immune-mediated neuropathy sharing several pathogenetic mechanisms with multiple sclerosis. We genotyped the SH2D2A promoter region in 105 controls and 48 patients with CIDP. We found a significant association between CIDP and the genotype GA13-16 homozygote (OR 3.167; p 0.013). We hypothesize that this genotype is associated with the susceptibility to develop CIDP and may be implicated in the persistence of the disease.
Department of Human Motor Sciences, Institute of Aging , Foundation University G. d'Annunzio, Chieti-Pescara, Italy.
Francesca
F
Notturno
Marta
M
Pace
Maria V
MV
De Angelis
Christina M
CM
Caporale
Armando
A
Giovannini
Antonino
A
Uncini
D048868:Adaptor Proteins, Signal Transducing / Q000235:genetics*; D000293:Adolescent; D000328:Adult; D000368:Aged; D000369:Aged, 80 and over; D016009:Chi-Square Distribution; D002648:Child; D016001:Confidence Intervals; D018900:Dinucleotide Repeats / Q000235:genetics*; D005260:Female; D005787:Gene Frequency; D020022:Genetic Predisposition to Disease; D005838:Genotype; D006801:Humans; D008297:Male; D008875:Middle Aged; D016017:Odds Ratio; D011110:Polymorphism, Genetic / Q000235:genetics*; D020277:Polyradiculoneuropathy, Chronic Inflammatory Demyelinating / Q000235:genetics*; D011401:Promoter Regions, Genetic / Q000235:genetics
D048868:Adaptor Proteins, Signal Transducing; C405691:SH2D2A protein, human