Ketosis-prone diabetes mellitus

Definition

Ketosis-prone diabetes (KPD) is a widespread, emerging, heterogeneous syndrome, mostly observed in subjects of west African origin (west Africans and African-Americans), characterized by patients who present with diabetic ketoacidosis or unprovoked ketosis but do not necessarily have the typical phenotype of autoimmune type 1 diabetes. Multiple, severe forms of beta-cell dysfunction appear to underlie the pathophysiology of KPD. KPD can be classified into four A beta groups, based on the presence of glutamic acid decarboxylase (GAD)65, GAD67, or IA-2 autoantibodies (A+ or A-) and beta-cell functional reserve (beta+ or beta-). Homozygous carriers of the PAX4 R133W variant have an increased risk of KPD.

References:

[1]. Franck Mauvais-Jarvis, et al. PAX4 gene variations predispose to ketosis-prone diabetes. Hum Mol Genet. 2004 Dec 15;13(24):3151-9. [Content Brief]

[2]. Mario Maldonado, et al. Ketosis-prone diabetes: dissection of a heterogeneous syndrome using an immunogenetic and beta-cell functional classification, prospective analysis, and clinical outcomes. J Clin Endocrinol Metab. 2003 Nov;88(11):5090-8. [Content Brief]

[3]. Sandrine Boutboul, et al. A subset of patients with epithelial basement membrane corneal dystrophy have mutations in TGFBI/BIGH3. Hum Mutat. 2006 Jun;27(6):553-7. [Content Brief]

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