Sera obtained at diagnosis from 273 children (0-14 years) with insulin-dependent diabetes mellitus (IDDM) were studied to compare different autoantibody levels. The subjects comprise 75 % of all incident cases in New South Wales, Australia, for a 2-year period (ascertainment > 99% complete). Antibod
Glutamic acid decarboxylase and other autoantigens in IDDM
โ Scribed by Gerald T Nepom
- Publisher
- Elsevier Science
- Year
- 1995
- Tongue
- English
- Weight
- 553 KB
- Volume
- 7
- Category
- Article
- ISSN
- 0952-7915
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โฆ Synopsis
Autoantigens in insulin-dependent diabetes serve as diagnostic markers and as potential therapeutic immunomodulators. Recent studies have focused particularly on two well studied molecules, glutamic acid decarboxylase and insulin, as well as several new antigens that have been recently identified, recognized by antibody and/or cell-mediated immune responses in diabetic patients. Temporal aspects of antigen exposure, antigen processing of specific peptide antigens, and the interplay between specific antigens, MHC genetics, and host T-cell responses remain to be explored.
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We report the presence of serum autoantibodies directed against glutamic acid decarboxylase in a patient with epilepsy and palatal myoclonus not associated with brain lesions. Glutamic acid decarboxylase antibody reactivity was dependent on the presence of carboxy-terminal amino acids, similar to th