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논문 기본 정보

자료유형
학술저널
저자정보
Abdelmeguid Yasmine (Faculty of Medicine Alexandria University Alexandria Egypt) Mowafy Ehsan Wafa (Faculty of Medicine Alexandria University Alexandria Egypt) Marzouk Iman (Faculty of Medicine Alexandria University Alexandria Egypt) Franco Elisa De (University of Exeter Medical School Institute of Biomedical and Clinical Science Exeter UK) ElSayed Shaymaa (Faculty of Medicine Alexandria University Alexandria Egypt)
저널정보
대한소아내분비학회 Annals of Pediatirc Endocrinology & Metabolism Annals of Pediatric Endocrinology & Metabolism 제27권 제3호
발행연도
2022.9
수록면
214 - 222 (9page)
DOI
10.6065/apem.2142184.092

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Purpose: In patients diagnosed with diabetes mellitus (DM) before the age of 12 months, there is an increasing recognition of diabetes caused by single-gene mutations, also known as monogenic diabetes of infancy or neonatal DM (NDM). This study aimed to classify patients at Alexandria University Children’s Hospital (AUCH) diagnosed with infantile-onset DM into type 1 DM (T1DM) or NDM and to detect differences in molecular characteristics of NDM patients at our center in comparison to other countries.Methods: This retrospective/prospective observational study was conducted on 39 patients diagnosed with infantile-onset DM (age of onset ≤1 year) at AUCH from January 2003 to November 2020. The patients were divided into 2 groups according to age at the onset of DM: ≤6 months and >6?12 months. Molecular testing was done in patients diagnosed with DM at ≤6 months and those with negative autoantibodies.Results: Twelve patients were diagnosed with DM at age ≤6 months and 27 patients were diagnosed between 6?12 months. Seventeen patients (43.6%) had T1DM, whereas 9 patients (23.1%) had genetically confirmed NDM, including 3 harboring novel mutations. The most common genetic causes of NDM were <i>EIF2AK3</i> mutations (n=3), followed by <i>KCNJ11</i> (n=2) and <i>ABCC8</i> (n=2). Other mutations included <i>SLC19A2</i> (n=1) and <i>INS</i> (n=1). Three patients with potassium ATP channel mutations were transferred from insulin to sulfonylurea treatment.Conclusion: It is essential to identify patients with NDM clinically and confirm the diagnosis by molecular testing to distinguish them from T1DM as it helps in refining their management, predicting prognosis, and guiding genetic counseling.

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