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Öğe Evaluation of serum myostatin levels in patients with insulin dependent diabetes mellitus(Karger, 2021) Selver, Muhammed Burak; Atabek, Mehmet Emre; Eklioglu, Beray Selver; Kurban, Sevil[Abstract Not Availabe]Öğe İnsülin bağımlı Diabetes mellitus lu hastalarda serum myostatin düzeylerinin değerlendirilmesi(Necmettin Erbakan Üniversitesi Meram Tıp Fakültesi, 2018) Selver, Muhammed Burak; Atabek, Mehmet Emreİnsülin bağımlı (Tip 1) diabetes mellitus' lu çocuklarda serum myostatin düzeyi ve metabolik parametreleri değerlendirip İnsülin bağımlı (Tip 1) diabetes mellitus' lu çocuklarda sarkopeni ile olan ilişkiyi göstermeyi amaçladık. Yöntem: Necmettin Erbakan Üniversitesi Meram Tıp Fakültesi Çocuk Endokrinoloji Kliniği' nde İnsülin bağımlı (Tip 1) diabetes mellitus tanısı ile takip edilen 8-16 yaş aralığında 44 hasta çalışmaya dahil edildi. Herhangi bir kronik hastalığı bulunmayan 45 çocuk kontrol grubu olarak dahil edildi. Antropometrik ölçümler, pubertal evreleme yapıldı. Diyabetli çocukların değerlendirilmesinde rutin olarak yapılan glukoz, insulin, c-peptit, HbA1C, lipid profili (Total koleterol, trigliserid, LDL kolesterol, HDL kolesterol) AST, ALT, kreatinin tetkikleri alındı. Kreatinin kinaz düzeyi çalışıldı. Kontrol grubunda rutin olarak yapılan glukoz, lipid profili (Total koleterol, trigliserid, LDL kolesterol, HDL kolesterol) AST, ALT, kreatinin tetkikleri alındı. Kontrol grubunun insulin, c-peptit, HbA1C, kreatinin kinaz düzeyleri çalışıldı. Hasta ve kontrol grubunda serum myostatin düzeyi çalışıldı. Hasta ve kontrol grubuna vücut analizi yapıldı. Yağsız vücut kütle oranı tespit edildi. Bulgular: Hasta ve kontrol grupları arasında "Myostatin" düzeyi açısından istatistiksel olarak anlamlı bir farklılık bulunmaktadır (p<0,01). Hasta grubunda yer alan katılımcılara ait ortalama "Myostatin" değeri (33,17 ng/ml) kontrol grubunda yer alan katılımcılara ait ortalama "Myostatin" değerinden (13,60 ng/ml) anlamlı derecede yüksektir. Hasta ve kontrol grupları arasında "CPK" değişkeni açısından istatistiksel olarak anlamlı bir farklılık bulunmaktadır (p<0,05). Hasta grubunda ortalama "CPK" değeri kontrol grubuna göre düşüktür. Katılımcıların myostatin değerleri ile "HbA1c", "C-peptid", "İnsülin" ve "CPK" değişkenleri arasında istatistiksel olarak anlamlı bir ilişki bulunmasa da (p>0,05) HBA1c ile pozitif, CPK, insülin ve C-peptit düzeyleri ile negatif korelasyon bulundu. Sonuç: Serum myostatin düzeyleri, insülin bağımlı (Tip 1) diyabetes mellitus' lu çocuk ve adolesanlarda kas kütlesinden bağımsız olarak, kontrol grubuna göre daha yüksekti ve HbA1c ile pozitif korele bulundu. Bu sonuç özellikle kötü kontrollü insülin bağımlı (Tip 1) diyabetes mellitus' lu çocuk ve adolesanlarda serum myostatin düzeylerinin kas kütlesi ve metabolizması üzerinde olası yeni patolojik etkileri olabileceği anlamına gelebilir. Konu ile ilgili daha fazla çalışmaya ihtiyaç vardır.Öğe Investigation of the relationship between serum sclerostin and dickkopf-1 protein levels with bone turnover in children and adolescents with type-1 diabetes mellitus(Walter De Gruyter Gmbh, 2022) Kurban, Sevil; Eklioglu, Beray Selver; Selver, Muhammed BurakObjectives Diabetes mellitus (DM) is widely known to have a detrimental effect on bone health and is associated with increased fracture risk. Recently, the Wnt/beta-catenin signaling pathway and its inhibitors sclerostin and dickkopf-1 (Dkk-1) were found to be involved in the control of bone mass. The present study aimed to measure serum sclerostin and Dkk-1 protein levels in children and adolescents with type-1 DM and compare with other bone turnover markers and bone mineral density (BMD). Methods This study was performed on 40 children and adolescents with type-I DM and 40 healthy children and adolescents. Anthropometric measurements and pubertal examination were done. In addition to laboratory analysis, dickkopf-1, sclerostin, cross-linked N-telopeptides of type I collagen (NTx), bone alkaline phosphatase (bALP), and osteocalcin levels were studied. BMD of the participants was measured by calcaneus ultrasonography. Results Dickkopf-1 levels of the children and adolescents with type-1 DM were significantly higher, vitamin D, NTx, osteocalcin, and phosphorus levels were significantly lower than those of the controls (p<0.001). Fasting blood glucose, HbA1c, and insulin were significantly higher in the type 1 DM group (p<0.01). Conclusions Both bone remodeling and its compensatory mechanism bone loss are lower in children and adolescents with type-1 DM than in the controls. Also, higher levels of Dkk-1 play a role in decreased bone turnover in these patients. Since Dkk-1 and sclerostin seem to take a role in treating metabolic bone diseases in the future, we believe that our findings are significant in this respective.Öğe Investigation of the relationship between serum sclerostin and dickkopf-1 protein levels with bone turnover in children and adolescents with type-1 diabetes mellitus(Walter De Gruyter Gmbh, 2022) Kurban, Sevil; Eklioglu, Beray Selver; Selver, Muhammed BurakObjectives Diabetes mellitus (DM) is widely known to have a detrimental effect on bone health and is associated with increased fracture risk. Recently, the Wnt/beta-catenin signaling pathway and its inhibitors sclerostin and dickkopf-1 (Dkk-1) were found to be involved in the control of bone mass. The present study aimed to measure serum sclerostin and Dkk-1 protein levels in children and adolescents with type-1 DM and compare with other bone turnover markers and bone mineral density (BMD). Methods This study was performed on 40 children and adolescents with type-I DM and 40 healthy children and adolescents. Anthropometric measurements and pubertal examination were done. In addition to laboratory analysis, dickkopf-1, sclerostin, cross-linked N-telopeptides of type I collagen (NTx), bone alkaline phosphatase (bALP), and osteocalcin levels were studied. BMD of the participants was measured by calcaneus ultrasonography. Results Dickkopf-1 levels of the children and adolescents with type-1 DM were significantly higher, vitamin D, NTx, osteocalcin, and phosphorus levels were significantly lower than those of the controls (p<0.001). Fasting blood glucose, HbA1c, and insulin were significantly higher in the type 1 DM group (p<0.01). Conclusions Both bone remodeling and its compensatory mechanism bone loss are lower in children and adolescents with type-1 DM than in the controls. Also, higher levels of Dkk-1 play a role in decreased bone turnover in these patients. Since Dkk-1 and sclerostin seem to take a role in treating metabolic bone diseases in the future, we believe that our findings are significant in this respective.Öğe Unnoticed Adverse Effect of Isoniazid during Childhood Tuberculosis Preventive Treatment: Hyperuricemia(Georg Thieme Verlag Kg, 2021) Kandemir, Bahar; Duman, Ipek; Durduran, Yasemin; Metin Akcan, Ozge; Selver, Muhammed Burak; Pekcan, SevgiObjective Isoniazid for 6 to 9 months is the most widely used form of tuberculosis (TB) preventive treatment. We aimed to assess the adverse effects of isoniazid by using the serum levels of aspartate transaminase (AST), alanine transaminase (ALT), and uric acid (SUA) in children and adolescents receiving long-term isoniazid for latent TB infection. Methods The study included children <= 18 years of age who underwent TB preventive treatment with isoniazid (IPT) between 2015 and 2019 at a university hospital. Serum transaminase, SUA, urea, and creatinine levels of patients were measured before the initiation of IPT, 15th day, and once a month during treatment. Patients with ALT, AST, or SUA results above cut-off levels during treatment were evaluated. The final values in follow-up were included in the data analysis. Results A total of 141 children who underwent IPT were included. In total, 70 children had family members with confirmed TB disease, and 71 children had a positive tuberculin skin test. SUA increased above cut-off values in 16 children (11.3%), and half of them had uric acid levels over 7 mg/dL. The median duration of the development of hyperuricemia was 4.0 months. ALT or AST increased above cut-off values in 23 children (16.3%). ALT was above cut-off values in seven patients, AST was high in 20 patients. The median duration to the development of AST and/or ALT levels above cut-off was 4.0 months. Two patients had hepatotoxic transaminase levels. Three patients had both elevated transaminases and SUA levels. Conclusion Isoniazid may also cause hyperuricemia besides elevation in transaminases in children.