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

HLA heterogeneity of insulin-dependent diabetes mellitus at diagnosis. The Pittsburgh IDDM study.

Although some previous studies have suggested that insulin-dependent diabetes mellitus (IDDM) is a heterogeneous condition with variant forms being associated with HLA-DR types, the evidence, thus far, is conflicting. To address this issue, we have examined the presenting characteristics of a consecutive admission series of 200 newly diagnosed cases of IDDM from the Children's Hospital of Pittsburgh. Because HLA-DR frequencies vary by race, data are presented only for the 172 white cases with complete HLA-DR typing. HLA-DR3 was found more frequently among male cases and DR4 among female cases (P less than 0.005). Generally, patients with DR4 presented with a severer clinical picture, being more likely to have impaired consciousness and significant dehydration. In addition, patients with DR4 were more likely to be acidotic, ketotic, and to more frequently report a recent viral infection. This latter finding was supported by a greater frequency of antibodies to Coxsackie-B viruses in the DR4 cases at presentation. These results therefore suggest that there is considerable heterogeneity in IDDM, at least in presenting characteristics, according to HLA-DR type.[1]

References

  1. HLA heterogeneity of insulin-dependent diabetes mellitus at diagnosis. The Pittsburgh IDDM study. Eberhardt, M.S., Wagener, D.K., Orchard, T.J., LaPorte, R.E., Cavender, D.E., Rabin, B.S., Atchison, R.W., Kuller, L.H., Drash, A.L., Becker, D.J. Diabetes (1985) [Pubmed]
 
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