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Ann Pediatr Endocrinol Metab > Volume 3(2); 1998 > Article
Study of Genetic Imprinting on 3 Cases of Insulin-Dependent Diabetes Mellitus Developed in Early Infantile Period.
Seung Mi Song, Jung Sim Kim, Myung Ryurl Oh, Sung Won Yang, Hye Kyung Han, Dong Kyu Jin
Abstract
Infantile onset diabetes mellitus(especially, neonatal diabetes) is rare disorder and may be transient or permanent. Most patients are full-term but small-for-date infants and typical symptoms occur within the first 4-6 weeks of life, requiring insulin therapy. Neonatal diabetes differs from type 1 diabetes in many aspects and seems to form a distinct entity of inborn pancreatic malfunction. The transient cases often develop type 2 diabetes mellitus later in life. In recent reports, transient neonatal diabetes is associated with paternal uniparental isodisomy and unbalanced duplication of chromosome 6q22-23. In our study, clinical course of case 1 was compatible with transient neonatal diabetes, but chromosomal abnormalities such as above was not shown in DNA analysis. In case 2 and 3, we could not decide exactly on genetic basis.
Keywords: Genetic imprinting;Transient neonatal diabetes
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