Makinen A et al. - The data show that children with newly diagnosed T1D, who test positive only for IA-2A out of the three molecular antibodies predictive of T1D, have a broader IA-2-specific isotype response and stronger association with the high-risk HLA haplotype than those testing positive for all three molecular antibodies. This may be indicative of a different pathogenetic mechanism in those with their humoral immune response restricted to IA-2 at the time of diagnosis.
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