Person: ERENBERK, UFUK
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Publication Open Access Evaluation of 563 children with chronic cough accompanied by a new clinical algorithm(2015-10-06) GEDIK, Ahmet Hakan; BAHALI, Kayhan; KUCUKKOC, Mehmet; NURSOY, Mustafa; GOKCE, Selim; Cakir, ERKAN; Ozkaya, EMİN; Uzuner, SELÇUK; Erenberk, UFUK; Torun, EMEL; DEMIR, Aysegul Dogan; AKSOY, Fadlullah; ÇAKIR, ERKAN; TORUN, EMEL; ERENBERK, UFUK; UZUNER, SELÇUK; NURSOY, MUSTAFA ATİLLA; ÖZKAYA, EMİN; AKSOY, FADLULLAHBackground: This study aims to evaluate the children with chronic cough and to analyze their etiological factors according to the age groups. Method: Five hundred sixty-three children with chronic cough were included. The last diagnosis were established and were also emphasized according to the age groups. Results: The mean age was 5.4 ± 3.8 years (2-months–17-years) and 52 % of them were male. The most common final diagnosis from all the participants were: asthma (24.9 %), asthma-like symptoms (19 %), protracted bacterial bronchitis (PBB) (11.9 %), and upper airway cough syndrome (9.1 %). However, psychogenic cough was the second most common diagnosis in the subjects over 6 years of age. Conclusion: Asthma and asthma-like symptoms were the most common diagnosis in children. Different age groups in children may have a different order of frequencies. Psychogenic cough should be thought of in the common causes especially in older children.Publication Metadata only SIRT1 gene variants are related to risk of childhood obesity(2015-04-01) Kilic, Ulkan; GOK, Ozlem; ELIBOL-CAN, BİRSEN; Ozgen, Ilker Tolga; Erenberk, UFUK; Uysal, Omer; DUNDAROZ, Mehmet Rusen; ELİBOL, BİRSEN; ÖZGEN, İLKER TOLGA; ERENBERK, UFUK; UYSAL, ÖMERObesity is a multifactorial disorder resulting from the interaction between genetic, psychological, physical, environmental, and socioeconomic factors. SIRT1 gene has important effects on the regulation of adiponectin, caloric restriction, insulin sensitivity, coronary atherosclerosis, and cardiovascular diseases. The aim of this study was to investigate the association between childhood obesity and SIRT1 gene polymorphisms regarding rs7895833 A > G in the promoter region, rs7069102 C > G in intron 4, and rs2273773 C > T in exon 5 using PCR-CTPP method in 120 obese and 120 normal weight children. In this study, BMI, systolic and diastolic blood pressure, LDL cholesterol, triglyceride, and insulin levels were significantly higher and HDL-cholesterol levels were significantly lower in obese children compared to normal weight children. For rs7895833 A > G, the rate of having AG genotype and G allele was significantly higher in obese children compared to non-obese group (p T. There was no significant difference for rs7069102 C > G gene polymorphism between groups.Publication Metadata only Extraordinary cause of complete colonic obstruction in children: Urinary retention(2014-06-01) KILINÇASLAN, Huseyin; SILAY, Mesrur Selcuk; ERDEM, Mehmet Remzi; DÖNMEZ, Tugrul; BİLİCİ, Mustafa; Erenberk, UFUK; ERENBERK, UFUKComplete colonic obstruction in children may occur secondary to congenital, and acquired factors related to the gastrointestinal system. Herein, we report an extraordinary presentation of complete colonic obstruction due to extensive urinary retention in a 3-year-old boy. The possible underlying mechanism was detected as urinary infection in a child with horseshoe kidney. The treatment of the bladder symptoms and urinary infection relieved the obstruction of the colon. To our knowledge, especially in children, colonic obstruction due to urinary retention has not been reported in the literature.Publication Metadata only Evaluation of Autonomic Nervous System function in Children with Overactive Bladder Syndrome(2017-03-01) DEMIR, Aysegul Dogan; Gursoy, AZİZE ESRA; GOKNAR, Nilufer; Uzuner, SELÇUK; Ozkaya, EMİN; Erenberk, UFUK; Vehapoglu, Aysel; DUNDAROZ, Mehmet Rusen; OKTEM, Faruk; GÜRSOY, AZIZE ESRA; UZUNER, SELÇUK; ÖZKAYA, EMİN; ERENBERK, UFUK; VEHAPOĞLU TÜRKMEN, AYSELPurpose We aimed to evaluate the autonomic nervous system activity in children with overactive bladder (OAB) syndrome.Methods Included in the study were 40 children with overactive bladder and 28 healthy controls. Autonomic tests were performed on all participants, including heart rate interval variation (RRIV), heart rate response to valsalva maneuver, and sympathetic skin response (SSR).Results Mean valsalva rates in the overactive bladder and control groups were 1.530.29 and 1.30 +/- 0.18, respectively, a statistically significant difference (P0.05).Conclusions This study demonstrated a parasympathetic hyperactivity in children with OAB, results suggesting a dysfunction in their autonomic nervous systems. (C) 2016 Wiley Periodicals, Inc.Publication Open Access A Remarkable Age-Related Increase in SIRT1 Protein Expression against Oxidative Stress in Elderly: SIRT1 Gene Variants and Longevity in Human(2015-03-18) Elibol-Can, BİRSEN; Kilic, Ulkan; Gok, Ozlem; DUNDAR, TOLGA TURAN; DUNDAROZ, Mehmet Rusen; Torun, EMEL; Erenberk, UFUK; Uysal, Omer; ERENBERK, UFUK; TORUN, EMEL; ELİBOL, BİRSEN; UYSAL, ÖMER; DÜNDAR, TOLGA TURANAging is defined as the accumulation of progressive organ dysfunction. Controlling the rate of aging by clarifying the complex pathways has a significant clinical importance. Nowadays, sirtuins have become famous molecules for slowing aging and decreasing age-related disorders. In the present study, we analyzed the SIRT1 gene polymorphisms (rs7895833 A>G, rs7069102 C>G and rs2273773 C>T) and its relation with levels of SIRT1, eNOS, PON-1, cholesterol, TAS, TOS, and OSI to demonstrate the association between genetic variation in SIRT1 and phenotype at different ages in humans. We observed a significant increase in the SIRT1 level in older people and found a significant positive correlation between SIRT1 level and age in the overall studied population. The oldest people carrying AG genotypes for rs7895833 have the highest SIRT1 level suggesting an association between rs7895833 SNP and lifespan longevity. Older people have lower PON-1 levels than those of adults and children which may explain the high levels of SIRT1 protein as a compensatory mechanism for oxidative stress in the elderly. The eNOS protein level was significantly decreased in older people as compared to adults. There was no significant difference in the eNOS level between older people and children. The current study is the first to demonstrate age-related changes in SIRT1 levels in humans and it is important for a much better molecular understanding of the role of the longevity gene SIRT1 and its protein product in aging. It is also the first study presenting the association between SIRT1 expression in older people and rs7895833 in SIRT1 gene.Publication Open Access Osteocalcin, Cortisol Levels, and Bone Mineral Density in Prepubertal Children with Asthma Treated with Long-Term Fluticasone Propionate(2012-01-01) Ozkaya, EMİN; NURSOY, Mustafa A.; Erenberk, UFUK; Cakir, ERKAN; ÖZKAYA, EMİN; NURSOY, MUSTAFA ATİLLA; UZUNER, SELÇUK; ERENBERK, UFUK; ÇAKIR, ERKANAims: The objective of this study is to determine the effects of the long-term treatment with inhaled fluticasone propionate on osteocalcin, cortisol levels, and bone mineral status in children with asthma. Methods: This cross-sectional study examined 230 prepubertal children with asthma (aged 6–11) who had intermittently used inhaled fluticasone propionate for at least 5 years at a mean daily dose of 200 μg (range: 200-350 μg). Serum osteocalcin, cortisol, and bone mineral density (BMD) of the lumbar spine were obtained from each participant. The control group consisted of gender- and age-matched children (n = 170) who were newly diagnosed with asthma and who were not being treated with corticosteroid. Results: The average age (± SEM) was 8.9 ± 0.7 years, their mean (± SEM) daily steroid dose was 180.3 ± 55.0 μg, with 236.5 ± 17.2 g total steroid use during treatment. Between the study and the control groups, no significant differences were observed in cortisol, osteocalcin levels, and BMD (p > 0.05). Conclusion: Long-term treatment with inhaled fluticasone propionate (100 μg twice daily) revealed no negative effects on serum osteocalcin, cortisol levels, and BMD in children with asthma.Publication Metadata only Melatonin attenuates phenytoin sodium-induced DNA damage(2014-04-01) Erenberk, UFUK; DUNDAROZ, Rusen; GOK, Ozlem; Uysal, Omer; AGUS, Sami; Yuksel, Adnan; Yilmaz, Bayram; KILIC, Ulkan; ERENBERK, UFUK; UYSAL, ÖMERPhenytoin sodium (PHT Na+) is a potent antiepileptic drug against epileptic seizures and is used as a prophylactic treatment in traumatic brain injury. PHT Na+ leads to the formation of reactive oxygen species (ROS), and DNA is a crucial molecular target of ROS-initiated toxicity. Melatonin and its metabolites possess free-radical-scavenging activity. We therefore designed this study to investigate the potential protective effect of melatonin against PHT Na+-induced DNA damage by using the comet assay in a rat model in vivo. Thirty-three 3-month-old male Wistar rats were divided into five groups of control treated with isotonic sodium chloride (a single injection of isotonic sodium chloride and 100 mL in drinking water for 10 days), ethanol treated (in drinking water for 10 days containing 100 mL of ethanol in each 300-mL drinking bottle), melatonin treated (4 mg/kg body weight [b.w.] intraperitoneally [i.p.] at the start, in drinking water for 10 days), PHT Na+ treated (a single i.p. injection of 50 mg/kg) and PHT Na+ (50 mg/kg b.w., single i.p.) and melatonin (4 mg/kg b.w. i.p. at the start and 4 mg/kg in drinking water for 10 days) cotreated. To determine the protective effects of melatonin, the comet assay was performed using lymphocytes isolated in different time intervals (0, 15, 30, 45 and 60 minutes) from each group of animals. On days 1, 3, 7 and 10, blood samples were taken and the comet assay technique was performed. Our present data suggest that melatonin reversed PHT Na+-induced DNA damage.