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DEMİRBAŞ, ÖZGECAN

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DEMİRBAŞ

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ÖZGECAN

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2018 - 201922020 - 20211
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    Publication
    Genotype and phenotype heterogeneity in neonatal diabetes: A single centre experience in Turkey
    (Galenos Yayıncılık, 2021-03-01) Öngen, Yasemin Denkboy; Eren, Erdal; Demirbaş, Özgecan; Sobu, Elif; Ellard, Sian; De Franco, Elisa; Tarım, Ömer; DENKBOY ÖNGEN, YASEMİN; EREN, ERDAL; DEMİRBAŞ, ÖZGECAN; Sobu, Elif; TARIM, ÖMER FARUK; Bursa Uludağ Üniversitesi/Tıp Fakültesi/Çocuk Endokrinolojisi Anabilim Dalı.; 0000-0002-5657-4260; 0000-0002-1684-1053; 0000-0002-6922-5203; 0000-0002-2037-7046; 0000-0002-5322-5508; KHZ-1491-2024 ; JPK-3909-2023; GQX-9760-2022 ; GSN-9730-2022; CCU-8073-2022
    Objective: Neonatal diabetes mellitus (NDM) may be transient or permanent, and the majority is caused by genetic mutations. Early diagnosis is essential to select the patients who will respond to oral treatment. In this investigation, we aimed to present the phenotype and genotype of our patients with NDM and share our experience in a single tertiary center.Methods: A total of 16 NDM patients from 12 unrelated families are included in the study. The clinical presentation, age at diagnosis, perinatal and family history, consanguinity, gender, hemoglobin A1c, C-peptide, insulin, insulin autoantibodies, genetic mutations, and response to treatment are retrospectively evaluated.Results: The median age at diagnosis of diabetes was five months (4 days-18 months) although six patients with a confirmed genetic diagnosis were diagnosed >6 months. Three patients had KCNJ11 mutations, six had ABCC8 mutations, three had EIF2AK3 mutations, and one had a de novo INS mutation. All the permanent NDM patients with KCNJ11 and ABCC8 mutations were started on sulfonylurea treatment resulting in a significant increase in C-peptide level, better glycemic control, and discontinuation of insulin.Conclusion: Although NDM is defined as diabetes diagnosed during the first six months of life, and a diagnosis of type 1 diabetes is more common between the ages of 6 and 24 months, in rare cases NDM may present as late as 12 or even 24 months of age. Molecular diagnosis in NDM is important for planning treatment and predicting prognosis. Therefore, genetic testing is essential in these patients.
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    Publication
    A neurological disease mimicking central hypothyroidism: MCT8 deficiency
    (Karger, 2018-01-01) Demirbaş, Özgeçan; Eren, Erdal; Tarım, Ömer; DEMİRBAŞ, ÖZGECAN; EREN, ERDAL; TARIM, ÖMER FARUK; Bursa Uludağ Üniversitesi/Tıp Fakültesi/Pediatri Bölümü; 0000-0002-6922-5203; 0000-0002-1684-1053; 0000-0002-5322-5508; JPK-3909-2023; GQX-9760-2022; CCU-8073-2022
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    Publication
    Pituitary stalk interruption syndrome (psis) is not a rare cause of the congenital hypopituitarism
    (Karger, 2018-01-01) Eren, Erdal; Yazıcı, Zeynep; Demirbaş, Özgecan; Gülleroğlu, Nadide Başak; Tarım, Ömer; EREN, ERDAL; YAZICI, ZEYNEP; DEMİRBAŞ, ÖZGECAN; Gülleroğlu, Nadide Başak; TARIM, ÖMER FARUK; Bursa Uludağ Üniversitesi/Tıp Fakültesi/Pediatri Endokrinoloji Bölümü; Bursa Uludağ Üniversitesi/Tıp Fakültesi/Pediatri Radyoloji Bölümü; 0000-0002-1684-1053; 0000-0002-6922-5203; 0000-0002-5322-5508; AAI-2303-2021; JPK-3909-2023; GQX-9760-2022; EZQ-1350-2022; CCU-8073-2022