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A Comprehensive, Multidisciplinary, Personalized, Lifestyle Intervention Program is Associated with Increased Leukocyte Telomere Length in Children and Adolescents with Overweight and Obesity
https://karger.com/hrp/article/94/Suppl.%201/1/823910/Abstracts
Hormone Research in Paediatrics
Volume 94, Issue Suppl. 1
Issue release date: September 2021
European Society for Paediatric Endocrinology (ESPE)
59th Annual Meeting, Online, September 2021: Abstracts
ePoster Category 2 Fat, metabolism and obesity
P2-185 / A Comprehensive, Multidisciplinary, Personalized, Lifestyle Intervention Program is Associated with Increased Leukocyte Telomere Length in Children and Adolescents with Overweight and Obesity
George Paltoglou 1,2 , Christina Raftopoulou 2 , Nicolas Nicolaidis 1 , Sophia Genitsaridi 1 , Sophia Karabatsou 1 , Marina Papadopoulou 1 , Penio Kassari 1,2 & Evangelia Charmandari 1,2
- Division of Endocrinology, Metabolism and Diabetes, First Department of Pediatrics, National and Kapodistrian University of Athens Medical School, ‘Aghia Sophia’ Children’s Hospital, Athens, Greece;
- Division of Endocrinology and Metabolism, Center for Clinical, Experimental Surgery and Translational Re-search, Biomedical Research Foundation of the Academy of Athens, Athens, Greece
Background/Aim: Leucocyte telomere length (LTL) is a robust marker of biological aging and is associated with obesity and cardiometabolic risk factors even in childhood and adolescence. The aim of the present study was to assess the effect of a structured, comprehensive, multidisciplinary, personalized, lifestyle intervention program of healthy diet and physical exercise on LTL in children and adolescents with overweight and obese.
Materials and Methods: Five hundred (n = 508) children and adolescents (239 males, 269 females; 282 prepubertal, 226 pubertal), aged 10.14 ± 0.13 years were recruited to participate in the study. Participants were classified as obese (n = 267, 52.6%), overweight (n = 174, 34.2%) or of normal BMI (n = 67, 13.2%) according to the IOTF cut-off points and were studied prospectively for one year. All subjects followed a structured, comprehensive, multidisciplinary, personalized, lifestyle intervention program of healthy diet and physical exercise, with frequent clinical and laboratory evaluation. LTL was measured using quantitative real-time PCR and telomeric restriction fragments (TRF) at the beginning of the study and following 12 months of intervention. In addition, success of the intervention was assessed by employing two criteria: i) The change (improvement) of IOTF category, and ii) The change of BMI z-score by 0,6. Secondary measures were metabolic and hormonal parameters that are known to change in obesity.
Results: Following 12 months of intervention, there was a significant decrease of BMI z-score (1.72±0.06; P < 0.01). In 193 subjects (47.42%) the IOTF category improved, while in 175 subjects (42.99%) the BMI z-score decreased by 0.6. In all subjects, LTL increased significantly after 1 year of the lifestyle interventions (LTLbaseline: 1.35±0.01, LTL12 months: 1.41±0.01, P < 0.01), irrespective of gender, pubertal status or BMI. Waist circumference was the best negative predictor of LTL at initial assessment. The implementation of the lifestyle interventions also resulted in a significant improvement in clinical (BMI, BMI z-score and waist to height ratio) and body composition indices of obesity, inflammatory markers, hepatic enzymes, HbA1C, QUICKI index, and lipid profile in all participants.
Conclusion: Our findings suggest that a comprehensive, multidisciplinary, personalized, lifestyle intervention program is associated with increased LTL in children and adolescents with overweight and obesity. Furthermore, the increase in LTL may be associated with a favorable metabolic profile and decreased morbidity later in life.
Conference Proceedings / Horm Res Paediatr 2021;94(suppl 1):1–445 DOI: 10.1159/000518849