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    The Exon 3-Deleted/Full-Length Growth Hormone Receptor Polymorphism and Response to Growth Hormone Therapy in Growth Hormone Deficiency and Turner Syndrome: A Multicenter Study
    (Karger, 2012) Bas, Firdevs; Darendeliler, Feyza; Aycan, Zehra; Cetinkaya, Ergun; Berberoglu, Merih; Siklar, Zeynep; Ocal, Gonul
    Background/Aim: The exon 3-deleted/full-length (d3/fl) growth hormone (GH) receptor (GHR) polymorphism has been associated with responsiveness to GH therapy in some diagnostic groups. However, there are still controversies on this issue. To evaluate the effect of the GHR exon 3 polymorphism on growth after 1 and 2 years of GH therapy in Turkish patients with GH deficiency (GHD) and Turner's syndrome (TS) and the distribution of GHR exon 3 isoforms. Materials and Methods: 218 patients with GHD (125 males/93 females) and 43 patients with TS were included in the study. The control group included 477 healthy adults aged from 18 to 57 years (54 females/423 males). Anthropometric parameters and insulin-like growth factor (IGF)-1 and IGF binding protein (IGFBP)-3 were evaluated annually. GHR isoforms were studied using simple multiplex PCR. Height and body mass index were expressed as standard deviation score (SDS). Results: There were no differences among TS, GHD and healthy adults regarding the distribution of GHR exon 3 isoforms (fl/fl, fl/d3 and d3/d3). There was a significant increase in height SDS in both diagnostic groups on GH therapy; however, there were neither differences in height SDS and Delta height velocity between fl/fl, fl/d3 and d3/d3 groups nor a correlation between the distribution of GHR exon 3 isoforms and change in IGF-1 SDS and IGFBP-3 SDS levels on GH therapy in either of the diagnostic groups. There was also no gender difference in GHR isoforms in healthy adults. Conclusion: The results suggest that responsiveness to GH therapy does not depend on the exon 3 GHR genotypes in GHD and TS patients. Copyright (C) 2012 S. Karger AG, Basel
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    Family-based group treatment versus individual treatment in the management of childhood obesity: randomized, prospective clinical trial
    (Springer, 2009) Garipagaoglu, Muazzez; Sahip, Yusuf; Darendeliler, Feyza; Akdikmen, Oeznur; Kopuz, Sibel; Sut, Necdet
    This study assessed the short- and long-term effects of a 3-month family-based group treatment in the management of childhood obesity versus individual treatment. Eighty obese children, aged between 6 and 14 years, and their parents were included in this prospective controlled clinical study. Forty participants were randomly assigned for group treatment and the other 40 for individual treatment. A 3-month intervention program was focused on implementing healthy eating behaviors. The weight and height of the children were measured initially and at each treatment session and at follow-up visits. Body mass index was calculated and expressed as standard deviation score. At the end of 3-month treatment program, there was a significant decline in BMI SDS in both groups (p < 0.001). After 1 year of follow-up period, there was still a significant decrease in BMI SDS in the study group (p < 0.001), whereas the decrease in BMI SDS was not maintained over the follow-up period in the standard group. There was a significantly increased consumption of vegetable and fruit and reduced consumption of carbonated drinks and fruit juice in both groups (p < 0.001). These findings demonstrate that the group treatment is more successful than the individual treatment in the management of childhood obesity.