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Madeo SF, Zagaroli L, Vandelli S, Calcaterra V, Crinò A, De Sanctis L, Faienza MF, Fintini D, Guazzarotti L, Licenziati MR, Mozzillo E, Pajno R, Scarano E, Street ME, Wasniewska M, Bocchini S, Bucolo C, Buganza R, Chiarito M, Corica D, Di Candia F, Francavilla R, Fratangeli N, Improda N, Morabito LA, Mozzato C, Rossi V, Schiavariello C, Farello G, Iughetti L, Salpietro V, Salvatoni A, Giordano M, Grugni G, Delvecchio M. Endocrine features of Prader-Willi syndrome: a narrative review focusing on genotype-phenotype correlation. Front Endocrinol (Lausanne) 2024; 15:1382583. [PMID: 38737552 PMCID: PMC11082343 DOI: 10.3389/fendo.2024.1382583] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 02/05/2024] [Accepted: 04/12/2024] [Indexed: 05/14/2024] Open
Abstract
Prader-Willi syndrome (PWS) is a complex genetic disorder caused by three different types of molecular genetic abnormalities. The most common defect is a deletion on the paternal 15q11-q13 chromosome, which is seen in about 60% of individuals. The next most common abnormality is maternal disomy 15, found in around 35% of cases, and a defect in the imprinting center that controls the activity of certain genes on chromosome 15, seen in 1-3% of cases. Individuals with PWS typically experience issues with the hypothalamic-pituitary axis, leading to excessive hunger (hyperphagia), severe obesity, various endocrine disorders, and intellectual disability. Differences in physical and behavioral characteristics between patients with PWS due to deletion versus those with maternal disomy are discussed in literature. Patients with maternal disomy tend to have more frequent neurodevelopmental problems, such as autistic traits and behavioral issues, and generally have higher IQ levels compared to those with deletion of the critical PWS region. This has led us to review the pertinent literature to investigate the possibility of establishing connections between the genetic abnormalities and the endocrine disorders experienced by PWS patients, in order to develop more targeted diagnostic and treatment protocols. In this review, we will review the current state of clinical studies focusing on endocrine disorders in individuals with PWS patients, with a specific focus on the various genetic causes. We will look at topics such as neonatal anthropometry, thyroid issues, adrenal problems, hypogonadism, bone metabolism abnormalities, metabolic syndrome resulting from severe obesity caused by hyperphagia, deficiencies in the GH/IGF-1 axis, and the corresponding responses to treatment.
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Affiliation(s)
- Simona F. Madeo
- Department of Medical and Surgical Sciences for Mother, Children and Adults, Pediatric Unit, University of Modena and Reggio Emilia, Modena, Italy
| | - Luca Zagaroli
- Department of Pediatrics, University of L’Aquila, L’Aquila, Italy
| | - Sara Vandelli
- Department of Medical and Surgical Sciences for Mother, Children and Adults, Post-Graduate School of Pediatrics, University of Modena and Reggio Emilia, Modena, Italy
| | - Valeria Calcaterra
- Department of Internal Medicine and Therapeutics, University of Pavia, Pavia, Italy
- Pediatric Department, Buzzi Children’s Hospital, Milano, Italy
| | - Antonino Crinò
- Center for Rare Diseases and Congenital Defects, Fondazione Policlinico Universitario A. Gemelli, IRCCS, Rome, Italy
| | - Luisa De Sanctis
- Pediatric Endocrinology, Regina Margherita Children Hospital – Department of Public Health and Pediatric Sciences, University of Torino, Torino, Italy
| | - Maria Felicia Faienza
- Pediatric Unit, Department of Precision and Regenerative Medicine and Ionian Area, University of Bari “Aldo Moro”, Bari, Italy
| | - Danilo Fintini
- Prader Willi Reference Center, Endocrinology and Diabetology Unit, Pediatric University Department, IRCCS Bambino Gesù Children Hospital, Rome, Italy
| | - Laura Guazzarotti
- Pediatric Endocrinology Unit, University Hospital of Padova, Padova, Italy
| | - Maria Rosaria Licenziati
- Neuro-endocrine Diseases and Obesity Unit, Department of Neurosciences, Santobono-Pausilipon Children’s Hospital, Naples, Italy
| | - Enza Mozzillo
- Department of Translational and Medical Science, Section of Pediatrics, University of Naples Federico II, Naples, Italy
| | - Roberta Pajno
- Pediatric Unit, IRCCS San Raffaele Institute, Milan, Italy
| | - Emanuela Scarano
- Pediatric Unit, IRCCS Azienda Ospedaliero-Universitaria di Bologna, Bologna, Italy
| | - Maria E. Street
- Department of Medicine and Surgery, University of Parma, Parma, Italy
- Department of Medicine and Surgery, University Hospital of Parma, Parma, Italy
| | - Malgorzata Wasniewska
- Department of Human Pathology of Adulthood and Childhood, University of Messina, Messina, Italy
- Pediatric Unit, Gaetano Martino University Hospital of Messina, Messina, Italy
| | - Sarah Bocchini
- Prader Willi Reference Center, Endocrinology and Diabetology Unit, Pediatric University Department, IRCCS Bambino Gesù Children Hospital, Rome, Italy
| | - Carmen Bucolo
- Pediatric Unit, IRCCS San Raffaele Institute, Milan, Italy
| | - Raffaele Buganza
- Pediatric Endocrinology, Regina Margherita Children Hospital – Department of Public Health and Pediatric Sciences, University of Torino, Torino, Italy
| | - Mariangela Chiarito
- Pediatric Unit, Department of Precision and Regenerative Medicine and Ionian Area, University of Bari “Aldo Moro”, Bari, Italy
| | - Domenico Corica
- Department of Human Pathology of Adulthood and Childhood, University of Messina, Messina, Italy
- Pediatric Unit, Gaetano Martino University Hospital of Messina, Messina, Italy
| | - Francesca Di Candia
- Department of Translational and Medical Science, Section of Pediatrics, University of Naples Federico II, Naples, Italy
| | | | - Nadia Fratangeli
- Division of Auxology, Istituto Auxologico Italiano, Istituto di Ricovero e Cura a Carattere Scientifico (IRCCS), Verbania, Italy
| | - Nicola Improda
- Neuro-endocrine Diseases and Obesity Unit, Department of Neurosciences, Santobono-Pausilipon Children’s Hospital, Naples, Italy
| | | | - Chiara Mozzato
- Child and Women Health Department, University of Padova, Padova, Italy
| | - Virginia Rossi
- Pediatric Department, Buzzi Children’s Hospital, Milano, Italy
| | | | - Giovanni Farello
- Department of Clinical Medicine, Public Health, Life and Environmental Sciences, University of L’Aquila, L’Aquila, Italy
| | - Lorenzo Iughetti
- Department of Medical and Surgical Sciences for Mother, Children and Adults, Pediatric Unit, University of Modena and Reggio Emilia, Modena, Italy
| | - Vincenzo Salpietro
- Department of Biotechnological and Applied Clinical Sciences, University of L’Aquila, L’Aquila, Italy
| | | | - Mara Giordano
- Laboratory of Genetics, Struttura Complessa a Direzione Universitaria (SCDU) Biochimica Clinica, Ospedale Maggiore della Carità, Novara, Italy
- Department of Health Sciences, University of Piemonte Orientale, Novara, Italy
| | - Graziano Grugni
- Division of Auxology, Istituto Auxologico Italiano, Istituto di Ricovero e Cura a Carattere Scientifico (IRCCS), Verbania, Italy
| | - Maurizio Delvecchio
- Department of Biotechnological and Applied Clinical Sciences, University of L’Aquila, L’Aquila, Italy
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Pellikaan K, Nguyen NQC, Rosenberg AGW, Coupaye M, Goldstone AP, Høybye C, Markovic T, Grugni G, Crinò A, Caixàs A, Poitou C, Corripio R, Nieuwenhuize RM, van der Lely AJ, de Graaff LCG. Malignancies in Prader-Willi Syndrome: Results From a Large International Cohort and Literature Review. J Clin Endocrinol Metab 2023; 108:e1720-e1730. [PMID: 37267430 PMCID: PMC10655548 DOI: 10.1210/clinem/dgad312] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 11/18/2022] [Revised: 04/25/2023] [Accepted: 05/26/2023] [Indexed: 06/04/2023]
Abstract
CONTEXT Prader-Willi syndrome (PWS) is a complex disorder combining hypothalamic dysfunction, neurodevelopmental delay, hypotonia, and hyperphagia with risk of obesity and its complications. PWS is caused by the loss of expression of the PWS critical region, a cluster of paternally expressed genes on chromosome 15q11.2-q13. As life expectancy of patients with PWS increases, age-related diseases like malignancies might pose a new threat to health. OBJECTIVE To investigate the prevalence and risk factors of malignancies in patients with PWS and to provide clinical recommendations for cancer screening. METHODS We included 706 patients with PWS (160 children, 546 adults). We retrospectively collected data from medical records on past or current malignancies, the type of malignancy, and risk factors for malignancy. Additionally, we searched the literature for information about the relationship between genes on chromosome 15q11.2-q13 and malignancies. RESULTS Seven adults (age range, 18-55 years) had been diagnosed with a malignancy (acute lymphoblastic leukemia, intracranial hemangiopericytoma, melanoma, stomach adenocarcinoma, biliary cancer, parotid adenocarcinoma, and colon cancer). All patients with a malignancy had a paternal 15q11-13 deletion. The literature review showed that several genes on chromosome 15q11.2-q13 are related to malignancies. CONCLUSION Malignancies are rare in patients with PWS. Therefore, screening for malignancies is only indicated when clinically relevant symptoms are present, such as unexplained weight loss, loss of appetite, symptoms suggestive of paraneoplastic syndrome, or localizing symptoms. Given the increased cancer risk associated with obesity, which is common in PWS, participation in national screening programs should be encouraged.
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Affiliation(s)
- Karlijn Pellikaan
- Department of Internal Medicine, Division of Endocrinology, Erasmus Medical Center, University Medical Centre Rotterdam, 3015 GD Rotterdam, The Netherlands
- Center for Adults with Rare Genetic Syndromes, Department of Internal Medicine, Division of Endocrinology, Erasmus Medical Center, University Medical Center Rotterdam, 3015 GD Rotterdam, The Netherlands
- Dutch Center of Reference for Prader–Willi Syndrome, 3015 GD Rotterdam, The Netherlands
- Academic Center for Growth Disorders, Erasmus Medical Center, University Medical Centre Rotterdam, 3015 GD Rotterdam, The Netherlands
| | - Naomi Q C Nguyen
- Department of Internal Medicine, Division of Endocrinology, Erasmus Medical Center, University Medical Centre Rotterdam, 3015 GD Rotterdam, The Netherlands
| | - Anna G W Rosenberg
- Department of Internal Medicine, Division of Endocrinology, Erasmus Medical Center, University Medical Centre Rotterdam, 3015 GD Rotterdam, The Netherlands
- Center for Adults with Rare Genetic Syndromes, Department of Internal Medicine, Division of Endocrinology, Erasmus Medical Center, University Medical Center Rotterdam, 3015 GD Rotterdam, The Netherlands
- Dutch Center of Reference for Prader–Willi Syndrome, 3015 GD Rotterdam, The Netherlands
- Academic Center for Growth Disorders, Erasmus Medical Center, University Medical Centre Rotterdam, 3015 GD Rotterdam, The Netherlands
| | - Muriel Coupaye
- Assistance Publique-Hôpitaux de Paris, Rare Diseases Center of Reference ‘Prader-Willi Syndrome and Obesity with Eating Disorders’ (PRADORT), Nutrition Department, Institute of Cardiometabolism and Nutrition, ICAN, Pitié-Salpêtrière Hospital, Sorbonne Université, INSERM, Nutriomics, F75013 Paris, France
- International Network for Research, Management & Education on adults with Prader-Willi Syndrome (INfoRMEd-PWS)
| | - Anthony P Goldstone
- International Network for Research, Management & Education on adults with Prader-Willi Syndrome (INfoRMEd-PWS)
- PsychoNeuroEndocrinology Research Group, Division of Psychiatry, Department of Brain Sciences, Faculty of Medicine, Imperial College London, London SW7 2AZ, UK
- Imperial Centre for Endocrinology, Imperial College Healthcare NHS Trust, Hammersmith Hospital, London W12 0NN, UK
| | - Charlotte Høybye
- International Network for Research, Management & Education on adults with Prader-Willi Syndrome (INfoRMEd-PWS)
- ENDO-ERN (European Reference Network)
- Department of Molecular Medicine and Surgery and Department of Endocrinology, Karolinska Institute and Karolinska University Hospital, 17176 Stockholm, Sweden
| | - Tania Markovic
- International Network for Research, Management & Education on adults with Prader-Willi Syndrome (INfoRMEd-PWS)
- Metabolism & Obesity Services, Royal Prince Alfred Hospital, Camperdown, NSW 2050, Australia
- Boden Initiative, Charles Perkins Centre, University of Sydney, Camperdown, NSW 2006, Australia
| | - Graziano Grugni
- International Network for Research, Management & Education on adults with Prader-Willi Syndrome (INfoRMEd-PWS)
- ENDO-ERN (European Reference Network)
- Division of Auxology, Istituto Auxologico Italiano, IRCCS, 20095 Piancavallo VB, Italy
| | - Antonino Crinò
- International Network for Research, Management & Education on adults with Prader-Willi Syndrome (INfoRMEd-PWS)
- Reference Center for Prader-Willi syndrome, Bambino Gesù Hospital, Research Institute, 00165 Palidoro (Rome), Italy
| | - Assumpta Caixàs
- International Network for Research, Management & Education on adults with Prader-Willi Syndrome (INfoRMEd-PWS)
- Department of Endocrinology and Nutrition, Hospital Universitari Parc Taulí, Institut d’Investigació i Innovació Parc Taulí (I3PT) and Department of Medicine, Universitat Autònoma de Barcelona, 08208 Sabadell, Spain
| | - Christine Poitou
- Assistance Publique-Hôpitaux de Paris, Rare Diseases Center of Reference ‘Prader-Willi Syndrome and Obesity with Eating Disorders’ (PRADORT), Nutrition Department, Institute of Cardiometabolism and Nutrition, ICAN, Pitié-Salpêtrière Hospital, Sorbonne Université, INSERM, Nutriomics, F75013 Paris, France
- International Network for Research, Management & Education on adults with Prader-Willi Syndrome (INfoRMEd-PWS)
- ENDO-ERN (European Reference Network)
| | - Raquel Corripio
- Department of Pediatric Endocrinology, Parc Taulí Hospital Universitari, Research and Innovation Institute Parc Taulí I3PT, Autonomous University of Barcelona, 08208 Sabadell, Spain
| | - Rosa M Nieuwenhuize
- Department of Medical Oncology, Erasmus MC, University Medical Center Rotterdam, 3015 GD Rotterdam, The Netherlands
| | - Aart J van der Lely
- Department of Internal Medicine, Division of Endocrinology, Erasmus Medical Center, University Medical Centre Rotterdam, 3015 GD Rotterdam, The Netherlands
- ENDO-ERN (European Reference Network)
| | - Laura C G de Graaff
- Department of Internal Medicine, Division of Endocrinology, Erasmus Medical Center, University Medical Centre Rotterdam, 3015 GD Rotterdam, The Netherlands
- Center for Adults with Rare Genetic Syndromes, Department of Internal Medicine, Division of Endocrinology, Erasmus Medical Center, University Medical Center Rotterdam, 3015 GD Rotterdam, The Netherlands
- Dutch Center of Reference for Prader–Willi Syndrome, 3015 GD Rotterdam, The Netherlands
- Academic Center for Growth Disorders, Erasmus Medical Center, University Medical Centre Rotterdam, 3015 GD Rotterdam, The Netherlands
- International Network for Research, Management & Education on adults with Prader-Willi Syndrome (INfoRMEd-PWS)
- ENDO-ERN (European Reference Network)
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Hoyos Sanchez MC, Bayat T, Gee RRF, Fon Tacer K. Hormonal Imbalances in Prader-Willi and Schaaf-Yang Syndromes Imply the Evolution of Specific Regulation of Hypothalamic Neuroendocrine Function in Mammals. Int J Mol Sci 2023; 24:13109. [PMID: 37685915 PMCID: PMC10487939 DOI: 10.3390/ijms241713109] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/23/2023] [Revised: 08/16/2023] [Accepted: 08/17/2023] [Indexed: 09/10/2023] Open
Abstract
The hypothalamus regulates fundamental aspects of physiological homeostasis and behavior, including stress response, reproduction, growth, sleep, and feeding, several of which are affected in patients with Prader-Willi (PWS) and Schaaf-Yang syndrome (SYS). PWS is caused by paternal deletion, maternal uniparental disomy, or imprinting defects that lead to loss of expression of a maternally imprinted region of chromosome 15 encompassing non-coding RNAs and five protein-coding genes; SYS patients have a mutation in one of them, MAGEL2. Throughout life, PWS and SYS patients suffer from musculoskeletal deficiencies, intellectual disabilities, and hormonal abnormalities, which lead to compulsive behaviors like hyperphagia and temper outbursts. Management of PWS and SYS is mostly symptomatic and cures for these debilitating disorders do not exist, highlighting a clear, unmet medical need. Research over several decades into the molecular and cellular roles of PWS genes has uncovered that several impinge on the neuroendocrine system. In this review, we will discuss the expression and molecular functions of PWS genes, connecting them with hormonal imbalances in patients and animal models. Besides the observed hormonal imbalances, we will describe the recent findings about how the loss of individual genes, particularly MAGEL2, affects the molecular mechanisms of hormone secretion. These results suggest that MAGEL2 evolved as a mammalian-specific regulator of hypothalamic neuroendocrine function.
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Affiliation(s)
- Maria Camila Hoyos Sanchez
- School of Veterinary Medicine, Texas Tech University, 7671 Evans Dr., Amarillo, TX 79106, USA
- Texas Center for Comparative Cancer Research (TC3R), Amarillo, TX 79106, USA
| | - Tara Bayat
- School of Veterinary Medicine, Texas Tech University, 7671 Evans Dr., Amarillo, TX 79106, USA
- Texas Center for Comparative Cancer Research (TC3R), Amarillo, TX 79106, USA
| | - Rebecca R. Florke Gee
- School of Veterinary Medicine, Texas Tech University, 7671 Evans Dr., Amarillo, TX 79106, USA
- Texas Center for Comparative Cancer Research (TC3R), Amarillo, TX 79106, USA
| | - Klementina Fon Tacer
- School of Veterinary Medicine, Texas Tech University, 7671 Evans Dr., Amarillo, TX 79106, USA
- Texas Center for Comparative Cancer Research (TC3R), Amarillo, TX 79106, USA
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4
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Circulating Levels of Nesfatin-1 and Spexin in Children with Prader-Willi Syndrome during Growth Hormone Treatment and Dietary Intervention. Nutrients 2023; 15:nu15051240. [PMID: 36904239 PMCID: PMC10005720 DOI: 10.3390/nu15051240] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/18/2023] [Revised: 02/23/2023] [Accepted: 02/27/2023] [Indexed: 03/04/2023] Open
Abstract
BACKGROUND Despite observable improvement in the treatment outcomes of patients with Prader-Willi syndrome (PWS), adequate weight control is still a clinical problem. Therefore, the aim of this study was to analyze the profiles of neuroendocrine peptides regulating appetite-mainly nesfatin-1 and spexin-in children with PWS undergoing growth hormone treatment and reduced energy intake. METHODS Twenty-five non-obese children (aged 2-12 years) with PWS and 30 healthy children of the same age following an unrestricted age-appropriate diet were examined. Serum concentrations of nesfatin-1, spexin, leptin, leptin receptor, total adiponectin, high molecular weight adiponectin, proinsulin, insulin-like growth factor-I, and total and functional IGF-binding protein-3 concentrations were determined using immunoenzymatic methods. RESULTS The daily energy intake in children with PWS was lower by about 30% (p < 0.001) compared with the controls. Daily protein intake was similar in both groups, but carbohydrate and fat intakes were significantly lower in the patient group than the controls (p < 0.001). Similar values for nesfatin-1 in the PWS subgroup with BMI Z-score < -0.5 and the control group, while higher values in the PWS subgroup with BMI Z-score ≥ -0.5 (p < 0.001) were found. Spexin concentrations were significantly lower in both subgroups with PWS than the controls (p < 0.001; p = 0.005). Significant differences in the lipid profile between the PWS subgroups and the controls were also observed. Nesfatin-1 and leptin were positively related with BMI (p = 0.018; p = 0.001, respectively) and BMI Z-score (p = 0.031; p = 0.027, respectively) in the whole group with PWS. Both neuropeptides also correlated positively in these patients (p = 0.042). CONCLUSIONS Altered profiles of anorexigenic peptides-especially nesfatin-1 and spexin-in non-obese children with Prader-Willi syndrome during growth hormone treatment and reduced energy intake were found. These differences may play a role in the etiology of metabolic disorders in Prader-Willi syndrome despite the applied therapy.
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Mai S, Fintini D, Mele C, Convertino A, Bocchini S, Grugni G, Aimaretti G, Vietti R, Scacchi M, Crinò A, Marzullo P. Circulating Irisin in Children and Adolescents With Prader-Willi Syndrome: Relation With Glucose Metabolism. Front Endocrinol (Lausanne) 2022; 13:918467. [PMID: 35774143 PMCID: PMC9238350 DOI: 10.3389/fendo.2022.918467] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 04/12/2022] [Accepted: 05/09/2022] [Indexed: 11/22/2022] Open
Abstract
Irisin is a myokine involved in the browning of white adipose tissue and regulation of energy expenditure, glucose homeostasis and insulin sensitivity. Debated evidence exists on the metabolic role played by irisin in children with overweight or obesity, while few information exist in children with Prader Willi Syndrome (PWS), a condition genetically prone to obesity. Here we assessed serum irisin in relation to the metabolic profile and body composition in children and adolescents with and without PWS. In 25 PWS subjects [age 6.6-17.8y; body mass index standard deviation score (BMI SDS) 2.5 ± 0.3] and 25 age, and BMI-matched controls (age 6.8-18.0y; BMI SDS, 2.8 ± 0.1) we assessed irisin levels and metabolic profile inclusive of oral glucose tolerance test (OGTT), and body composition by dual-energy X-ray absorptiometry (DXA). In PWS, we recorded lower levels of fat-free mass (FFM) (p <0.05), fasting (p<0.0001) and 2h post-OGTT insulin (p<0.05) and lower insulin resistance as expressed by homeostatic model of insulin resistance (HOMA-IR) (p<0.0001). Irisin levels were significantly lower in PWS group than in controls with common obesity (p<0.05). In univariate correlation analysis, positive associations linked irisin to insulin OGTT0 (p<0.05), insulin OGTT120 (p<0.005), HOMA-IR (p<0.05) and fasting C-peptide (p<0.05). In stepwise multivariable regression analysis, irisin levels were independently predicted by insulin OGTT120. These results suggest a link between irisin levels and insulin sensitivity in two divergent models of obesity.
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Affiliation(s)
- Stefania Mai
- Laboratory of Metabolic Research, Istituto Auxologico Italiano, Istituto di Ricovero e Cura a Carattere Scientifico (IRCCS), San Giuseppe Hospital, Piancavallo, Verbania, Italy
- *Correspondence: Stefania Mai,
| | - Danilo Fintini
- Reference Center for Prader Willi Syndrome, Research Institute, Bambino Gesù Children’s Hospital, Rome, Italy
| | - Chiara Mele
- Division of Endocrinology, Department of Translational Medicine, University of Piemonte Orientale, Novara, Italy
| | - Alessio Convertino
- Reference Center for Prader Willi Syndrome, Research Institute, Bambino Gesù Children’s Hospital, Rome, Italy
| | - Sarah Bocchini
- Reference Center for Prader Willi Syndrome, Research Institute, Bambino Gesù Children’s Hospital, Rome, Italy
| | - Graziano Grugni
- Division of Auxology, Istituto Auxologico Italiano, IRCCS, San Giuseppe Hospital, Piancavallo, Verbania, Italy
| | - Gianluca Aimaretti
- Division of Endocrinology, Department of Translational Medicine, University of Piemonte Orientale, Novara, Italy
| | - Roberta Vietti
- Laboratory of Metabolic Research, Istituto Auxologico Italiano, Istituto di Ricovero e Cura a Carattere Scientifico (IRCCS), San Giuseppe Hospital, Piancavallo, Verbania, Italy
| | - Massimo Scacchi
- Laboratory of Metabolic Research, Istituto Auxologico Italiano, Istituto di Ricovero e Cura a Carattere Scientifico (IRCCS), San Giuseppe Hospital, Piancavallo, Verbania, Italy
- Department of Clinical Sciences and Community Health, University of Milan, Milan, Italy
| | - Antonino Crinò
- Reference Center for Prader Willi Syndrome, Research Institute, Bambino Gesù Children’s Hospital, Rome, Italy
| | - Paolo Marzullo
- Laboratory of Metabolic Research, Istituto Auxologico Italiano, Istituto di Ricovero e Cura a Carattere Scientifico (IRCCS), San Giuseppe Hospital, Piancavallo, Verbania, Italy
- Division of Endocrinology, Department of Translational Medicine, University of Piemonte Orientale, Novara, Italy
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6
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Mele C, Crinò A, Fintini D, Mai S, Convertino A, Bocchini S, Di Paolo P, Grugni G, Aimaretti G, Scacchi M, Marzullo P. Angiopoietin-like 8 (ANGPTL8) as a potential predictor of NAFLD in paediatric patients with Prader-Willi Syndrome. J Endocrinol Invest 2021; 44:1447-1456. [PMID: 33067796 PMCID: PMC8195791 DOI: 10.1007/s40618-020-01444-w] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 05/27/2020] [Accepted: 10/06/2020] [Indexed: 01/15/2023]
Abstract
PURPOSE Angiopoietin-like 8 (ANGPTL8) is a liver- and adipose tissue-produced protein that predicts non-alcoholic fatty liver disease (NAFLD) and altered metabolic homeostasis in the general population as well as in persons with common and genetic obesity, including the Prader-Willi syndrome (PWS). However, its metabolic correlate in paediatric patients with respect to PWS is unknown. METHODS This cross-sectional study investigated circulating ANGPTL8 and adipocytokines levels in 28 PWS and 28 age-, sex- and BMI-matched children and adolescents (age, 7.0-17.8y) in relation to NAFLD and metabolic homeostasis assessed by OGTT, paediatric metabolic index (PMI) and fatty liver index (FLI), liver ultrasonography (US), as well as dual-energy X-ray absorptiometry (DEXA) for analysis of fat (FM) and fat-free mass (FFM). RESULTS At the set level of significance, PWS children showed lower values of FFM (p < 0.01) but healthier insulin profiles (p < 0.01) and PMI values (p < 0.05) than matched controls. By US, the prevalence of NAFLD was similar between groups but less severe in PWS than controls. Analysis of ANGPTL8 levels showed no difference between groups, yet only in PWS ANGPTL8 levels were associated with ALT levels, FLI values and NAFLD. In stepwise multivariable regression analysis on merged data, ANGPTL8 levels were independently predicted by BMI SDS, leptin levels and NAFLD. CONCLUSION ANGPTL8 levels are similar in PWS and controls and, overall, they are directly associated with the presence and severity of NAFLD in patients with PWS.
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Affiliation(s)
- C Mele
- Division of Endocrinology, Department of Translational Medicine, University of Piemonte Orientale, Novara, Italy
- Division of General Medicine, Istituto Auxologico Italiano, IRCCS, San Giuseppe Hospital, Piancavallo, Verbania, Italy
| | - A Crinò
- Reference Center for Prader-Willi Syndrome, Bambino Gesù Children's Hospital, Research Institute, Palidoro (Rome), Italy
| | - D Fintini
- Reference Center for Prader-Willi Syndrome, Bambino Gesù Children's Hospital, Research Institute, Palidoro (Rome), Italy
| | - S Mai
- Laboratory of Metabolic Research, Istituto Auxologico Italiano, IRCCS, San Giuseppe Hospital, Piancavallo, Verbania, Italy
| | - A Convertino
- Reference Center for Prader-Willi Syndrome, Bambino Gesù Children's Hospital, Research Institute, Palidoro (Rome), Italy
| | - S Bocchini
- Reference Center for Prader-Willi Syndrome, Bambino Gesù Children's Hospital, Research Institute, Palidoro (Rome), Italy
| | - P Di Paolo
- Radiology Unit, Bambino Gesù Children's Hospital, Research Institute, Palidoro (Rome), Italy
| | - G Grugni
- Division of Auxology and Metabolic Diseases, Istituto Auxologico Italiano, IRCCS, San Giuseppe Hospital, Piancavallo, Verbania, Italy
| | - G Aimaretti
- Division of Endocrinology, Department of Translational Medicine, University of Piemonte Orientale, Novara, Italy
| | - M Scacchi
- Division of General Medicine, Istituto Auxologico Italiano, IRCCS, San Giuseppe Hospital, Piancavallo, Verbania, Italy
| | - P Marzullo
- Division of Endocrinology, Department of Translational Medicine, University of Piemonte Orientale, Novara, Italy.
- Division of General Medicine, Istituto Auxologico Italiano, IRCCS, San Giuseppe Hospital, Piancavallo, Verbania, Italy.
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Physical Activity in Patients with Prader-Willi Syndrome-A Systematic Review of Observational and Interventional Studies. J Clin Med 2021; 10:jcm10112528. [PMID: 34200339 PMCID: PMC8201387 DOI: 10.3390/jcm10112528] [Citation(s) in RCA: 9] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/06/2021] [Revised: 05/31/2021] [Accepted: 06/04/2021] [Indexed: 12/15/2022] Open
Abstract
Physical activity (PA) is an important aspect of the management of patients with Prader-Willi syndrome (PWS). However, the day-to-day implementation of PA programs is particularly challenging in these patients. This systematic review aimed (1) to describe habitual PA and sedentary behavior and (2) to assess the effects of PA interventions and to describe their implementation process, in children and adults with PWS. A systematic search of controlled trials, single-group interventions, observational, and qualitative studies published up to December 2020 was performed. Twenty-five studies were included. Habitual PA was found to be lower in patients with PWS compared to controls without obesity or with non-syndromic obesity. Habitual PA was positively associated with lean body mass and bone parameters in children with PWS, and these finding were strengthened by intervention studies reporting an increase in both outcomes after a PA program. PA programs also improved physical function (muscle strength, walking distance, and coordination), without significant effect on weight and fat mass. Attendance to exercise sessions was usually high and no serious adverse effect was reported. In conclusion, supervised PA programs are beneficial for children and adults with PWS. Support should be provided to families to facilitate their implementation in real-life settings.
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Vlaardingerbroek H, van den Akker ELT, Hokken-Koelega ACS. Appetite- and weight-inducing and -inhibiting neuroendocrine factors in Prader-Willi syndrome, Bardet-Biedl syndrome and craniopharyngioma versus anorexia nervosa. Endocr Connect 2021; 10:R175-R188. [PMID: 33884958 PMCID: PMC8183618 DOI: 10.1530/ec-21-0111] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 04/18/2021] [Accepted: 04/22/2021] [Indexed: 12/15/2022]
Abstract
Obesity is reaching an epidemic state and has a major impact on health and economy. In most cases, obesity is caused by lifestyle factors. However, the risk of becoming obese differs highly between people. Individual's differences in lifestyle, genetic, and neuroendocrine factors play a role in satiety, hunger and regulation of body weight. In a small percentage of children and adults with obesity, an underlying hormonal or genetic cause can be found. The aim of this review is to present and compare data on the extreme ends of the obesity and undernutrition spectrum in patients with Prader-Willi syndrome (PWS), Bardet-Biedl syndrome (BBS), acquired hypothalamic obesity in craniopharyngioma patients, and anorexia nervosa. This may give more insight into the role of neuroendocrine factors and might give direction for future research in conditions of severe obesity and underweight.
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Affiliation(s)
- H Vlaardingerbroek
- Department of Pediatrics, Subdivision of Endocrinology, Erasmus University Medical Center-Sophia Children’s Hospital, Rotterdam, The Netherlands
- Willem-Alexander Children’s Hospital, Department of Pediatrics, Division of Endocrinology, Leiden University Medical Center, Leiden, The Netherlands
- Correspondence should be addressed to H Vlaardingerbroek:
| | - E L T van den Akker
- Department of Pediatrics, Subdivision of Endocrinology, Erasmus University Medical Center-Sophia Children’s Hospital, Rotterdam, The Netherlands
| | - A C S Hokken-Koelega
- Department of Pediatrics, Subdivision of Endocrinology, Erasmus University Medical Center-Sophia Children’s Hospital, Rotterdam, The Netherlands
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9
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A pro-inflammatory phenotype is associated with behavioural traits in children with Prader-Willi syndrome. Eur Child Adolesc Psychiatry 2021; 30:899-908. [PMID: 32495042 PMCID: PMC8140962 DOI: 10.1007/s00787-020-01568-7] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 01/01/2020] [Accepted: 05/27/2020] [Indexed: 12/16/2022]
Abstract
Several lines of evidence indicate that immune-inflammatory alterations are widely observed in various mental disorders. Genetic syndromes with high risk of psychiatric disorders may constitute a model for studies investigating this phenomenon. One of such genetically determined neurodevelopmental disorders is the Prader-Willi syndrome (PWS). Therefore, we aimed to profile a broad panel of immune-inflammatory markers in patients with PWS, taking into account co-morbid psychopathology. Participants were 20 children with PWS, and 20 healthy children matched for age, sex and body mass index. Behavioural symptoms and co-occurring psychopathological symptoms were assessed using the Child Behaviour Checklist (CBCL). We found significantly elevated levels of interleukin (IL)-1β and IL-13 in patients with PWS. There were significant positive correlations between the levels of IL-1β and scores of the following externalizing and internalizing CBCL domains: withdrawn/depressed, social problems, thought problems, attention problems, delinquent and aggressive behaviour in PWS children. Moreover, higher levels of IL-13 were associated with more severe psychopathology in terms of social and attention problems as well as delinquent and aggressive behaviour. Our findings imply that subclinical inflammation, observed as elevated IL-1β and IL-13 levels, appears only in PWS patients and is correlated to several psychopathological symptoms.
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Fat-Free Mass Is Better Related to Serum Uric Acid Than Metabolic Homeostasis in Prader-Willi Syndrome. Nutrients 2020; 12:nu12092583. [PMID: 32854398 PMCID: PMC7551470 DOI: 10.3390/nu12092583] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/04/2020] [Revised: 08/20/2020] [Accepted: 08/21/2020] [Indexed: 12/29/2022] Open
Abstract
Background: Prader-Willi syndrome (PWS) is conventionally regarded as a model of genetic obesity carrying a metabolically healthier profile and fat compartmentalization than subjects with non-syndromic obesity. Serum uric acid (sUA) is a recognized surrogate marker of metabolic derangement. As no information is currently available on sUA levels in adults with PWS, we aimed to analyze sUA in a large cohort of adult patients with PWS in comparison to a control counterpart; secondly, we aimed to investigate the metabolic and non-metabolic determinants of sUA in PWS. Methods: A cross-sectional study was conducted on 89 consecutive adult patients with genetically confirmed PWS spanning a wide BMI range (17.2–56.7 kg/m2). As controls, 180 age-, sex- and BMI-matched healthy controls were included. sUA levels were analyzed in relation to the PWS status, metabolic variables, hormone status, body composition, and resting energy expenditure (REE). Bivariate correlation and multivariable regression studies were used to test for predictors of sUA in PWS. Results: Despite having similar BMI values, patients with PWS presented with higher FM (p < 0.0001), lower FFM (p < 0.0001) and REE values than controls (p < 0.0001). In PWS, sUA levels were non-significantly different between subjects with and without obesity (5.4 ± 1.3 vs. 4.9 ± 1.1 mg/dL, p = 0.09), and did not vary significantly in relation to genotype, sex steroid or GH replacement, as well as psychiatric treatments. Rates of hyperuricaemia (19.1% vs. 33.7%, p < 0.01) and absolute sUA levels were lower in patients with PWS compared to controls owing to significant differences between subgroups with obesity (5.5 ± 1.4 vs. 6.6 ± 1.6 mg/dL, p < 0.0001). In merged populations, sUA increased in parallel with age, BMI, FM, FFM, REE, glucolipid homeostasis, and inflammatory markers. In a separate analysis in PWS, however, sUA correlations with BMI, FM, and inflammatory markers were null. Stepwise multivariable regression analysis in the PWS group adjusted for karyotype, age, sex, FM, FFM, obesity, triglycerides, and HDL cholesterol, showed that sUA levels were independently associated with FFM (β = 0.35, p < 0.0001) and, albeit less significantly, with triglycerides (β = 0.23, p < 0.05). The introduction of height-normalized FFM (FFM index) in the regression model, however, abrogated the predictive role of FFM on sUA. Conclusions: FFM mass is a strong predictor of sUA. PWS is associated to lower sUA levels than controls likely due to genetic predisposition to different body composition and healthier metabolic phenotype. Further studies are warranted to assess purine metabolism and the clinical significance of the FFM index in PWS.
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11
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Barrea L, Muscogiuri G, Pugliese G, Aprano S, de Alteriis G, Di Somma C, Colao A, Savastano S. The Sun's Vitamin in Adult Patients Affected by Prader-Willi Syndrome. Nutrients 2020; 12:E1132. [PMID: 32316673 PMCID: PMC7230761 DOI: 10.3390/nu12041132] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/02/2020] [Revised: 04/15/2020] [Accepted: 04/16/2020] [Indexed: 02/06/2023] Open
Abstract
Prader-Willi syndrome (PWS) is a genetic disorder characterized by hyperphagia with progressive, severe obesity, and an increased risk of obesity-related comorbidities in adult life. Although low dietary vitamin D intake and low 25-hydroxy vitamin D (25OHD) levels are commonly reported in PWS in the context of bone metabolism, the association of low 25OHD levels with fat mass has not been extensively evaluated in PWS adults. The aims of this study were to investigate the following in PWS adults: (1) 25OHD levels and the dietary vitamin D intake; (2) associations among 25OHD levels with anthropometric measurements and fat mass; (3) specific cut-off values for body mass index (BMI) and fat mass predictive of the 25OHD levels. In this cross-sectional, single-center study we enrolled 30 participants, 15 PWS adults (age 19-41 years and 40% males) and 15 control subjects matched by age, sex, and BMI from the same geographical area (latitude 40° 49' N; elevation 17 m). Fat mass was assessed using a bioelectrical impedance analysis (BIA) phase-sensitive system. The 25OHD levels were determined by a direct competitive chemiluminescence immunoassay. Dietary vitamin D intake data was collected by three-day food records. The 25OHD levels in the PWS adults were constantly lower across all categories of BMI and fat mass compared with their obese counterpart. The 25OHD levels were negatively associated with BMI (p = 0.04), waist circumference (p = 0.03), fat mass (p = 0.04), and dietary vitamin D intake (p < 0.001). During multiple regression analysis, dietary vitamin D intake was entered at the first step (p < 0.001), thus explaining 84% of 25OHD level variability. The threshold values of BMI and fat mass predicting the lowest decrease in the 25OHD levels were found at BMI ≥ 42 kg/m2 (p = 0.01) and fat mass ≥ 42 Kg (p = 0.003). In conclusion, our data indicate that: (i) 25OHD levels and dietary vitamin D intake were lower in PWS adults than in the control, independent of body fat differences; (ii) 25OHD levels were inversely associated with BMI, waist circumference, and fat mass, but low dietary vitamin D intake was the major determinant of low vitamin D status in these patients; (iii) sample-specific cut-off values of BMI and fat mass might help to predict risks of the lowest 25OHD level decreases in PWS adults. The presence of trained nutritionists in the integrated care teams of PWS adults is strongly suggested in order to provide an accurate nutritional assessment and tailored vitamin D supplementations.
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Affiliation(s)
- Luigi Barrea
- Dipartimento di Medicina Clinica e Chirurgia, Unit of Endocrinology, Federico II University Medical School of Naples, Via Sergio Pansini 5, 80131 Naples, Italy; (G.M.); (G.P.); (S.A.); (G.d.A.); (C.D.S.); (A.C.); (S.S.)
- Centro Italiano per la cura e il Benessere del paziente con Obesità (C.I.B.O), Department of Clinical Medicine and Surgery, Endocrinology Unit, University Medical School of Naples, Via Sergio Pansini 5, 80131 Naples, Italy
| | - Giovanna Muscogiuri
- Dipartimento di Medicina Clinica e Chirurgia, Unit of Endocrinology, Federico II University Medical School of Naples, Via Sergio Pansini 5, 80131 Naples, Italy; (G.M.); (G.P.); (S.A.); (G.d.A.); (C.D.S.); (A.C.); (S.S.)
- Centro Italiano per la cura e il Benessere del paziente con Obesità (C.I.B.O), Department of Clinical Medicine and Surgery, Endocrinology Unit, University Medical School of Naples, Via Sergio Pansini 5, 80131 Naples, Italy
| | - Gabriella Pugliese
- Dipartimento di Medicina Clinica e Chirurgia, Unit of Endocrinology, Federico II University Medical School of Naples, Via Sergio Pansini 5, 80131 Naples, Italy; (G.M.); (G.P.); (S.A.); (G.d.A.); (C.D.S.); (A.C.); (S.S.)
- Centro Italiano per la cura e il Benessere del paziente con Obesità (C.I.B.O), Department of Clinical Medicine and Surgery, Endocrinology Unit, University Medical School of Naples, Via Sergio Pansini 5, 80131 Naples, Italy
| | - Sara Aprano
- Dipartimento di Medicina Clinica e Chirurgia, Unit of Endocrinology, Federico II University Medical School of Naples, Via Sergio Pansini 5, 80131 Naples, Italy; (G.M.); (G.P.); (S.A.); (G.d.A.); (C.D.S.); (A.C.); (S.S.)
- Centro Italiano per la cura e il Benessere del paziente con Obesità (C.I.B.O), Department of Clinical Medicine and Surgery, Endocrinology Unit, University Medical School of Naples, Via Sergio Pansini 5, 80131 Naples, Italy
| | - Giulia de Alteriis
- Dipartimento di Medicina Clinica e Chirurgia, Unit of Endocrinology, Federico II University Medical School of Naples, Via Sergio Pansini 5, 80131 Naples, Italy; (G.M.); (G.P.); (S.A.); (G.d.A.); (C.D.S.); (A.C.); (S.S.)
| | - Carolina Di Somma
- Dipartimento di Medicina Clinica e Chirurgia, Unit of Endocrinology, Federico II University Medical School of Naples, Via Sergio Pansini 5, 80131 Naples, Italy; (G.M.); (G.P.); (S.A.); (G.d.A.); (C.D.S.); (A.C.); (S.S.)
| | - Annamaria Colao
- Dipartimento di Medicina Clinica e Chirurgia, Unit of Endocrinology, Federico II University Medical School of Naples, Via Sergio Pansini 5, 80131 Naples, Italy; (G.M.); (G.P.); (S.A.); (G.d.A.); (C.D.S.); (A.C.); (S.S.)
- Centro Italiano per la cura e il Benessere del paziente con Obesità (C.I.B.O), Department of Clinical Medicine and Surgery, Endocrinology Unit, University Medical School of Naples, Via Sergio Pansini 5, 80131 Naples, Italy
- Cattedra Unesco “Educazione alla salute e allo sviluppo sostenibile”, University Federico II, 80138 Naples, Italy
| | - Silvia Savastano
- Dipartimento di Medicina Clinica e Chirurgia, Unit of Endocrinology, Federico II University Medical School of Naples, Via Sergio Pansini 5, 80131 Naples, Italy; (G.M.); (G.P.); (S.A.); (G.d.A.); (C.D.S.); (A.C.); (S.S.)
- Centro Italiano per la cura e il Benessere del paziente con Obesità (C.I.B.O), Department of Clinical Medicine and Surgery, Endocrinology Unit, University Medical School of Naples, Via Sergio Pansini 5, 80131 Naples, Italy
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12
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Delvecchio M, Pastore C, Valente F, Giordano P. Cardiovascular Implications in Idiopathic and Syndromic Obesity in Childhood: An Update. Front Endocrinol (Lausanne) 2020; 11:330. [PMID: 32582026 PMCID: PMC7296059 DOI: 10.3389/fendo.2020.00330] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 02/24/2020] [Accepted: 04/28/2020] [Indexed: 01/02/2023] Open
Abstract
Childhood obesity is a modern worldwide epidemic with significant burden for health. It is a chronic metabolic disorder associated with multiple cardiovascular risk factors such as dyslipidemia, hypertension, stroke, and insulin resistance. Many obese adolescents remain obese into adulthood, with increased morbidity and mortality. As childhood obesity is a risk factor for adult obesity, the childhood obesity-related disorders account for an increased risk of cardiovascular consequences in adults, in addition to the effects already exerted by the fat mass in adulthood. Several papers have already described the cardiovascular implications of idiopathic obesity, while few data are available about syndromic obesity, due to the small sample size, not homogeneous phenotypes, and younger age at death. The aim of this mini-review is to give a comprehensive overview on knowledge about cardiovascular implications of idiopathic and syndromic obesity to allow the reader a quick comparison between them. The similarities and differences will be highlighted.
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Affiliation(s)
- Maurizio Delvecchio
- Metabolic Disorders and Diabetes Unit, “Giovanni XXIII” Children Hospital, AOU Policlinico di Bari, Bari, Italy
- *Correspondence: Maurizio Delvecchio
| | - Carmela Pastore
- “B. Trambusti” Pediatric Unit, “Giovanni XXIII” Children Hospital, AOU Policlinico di Bari, Bari, Italy
| | - Federica Valente
- Erasme Hospital, Université Libre de Bruxelles, Brussels, Belgium
| | - Paola Giordano
- “B. Trambusti” Pediatric Unit, “Giovanni XXIII” Children Hospital, AOU Policlinico di Bari, Bari, Italy
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