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Rubin DA, Holmes SC, Ramirez J, Garcia SA, Shumski EJ, Pamukoff DN. Bone mineral density and its relationship with ground reaction force characteristics during gait in young adults with Prader-Willi Syndrome. Bone Rep 2023; 19:101700. [PMID: 37520935 PMCID: PMC10382280 DOI: 10.1016/j.bonr.2023.101700] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 06/25/2023] [Revised: 07/11/2023] [Accepted: 07/14/2023] [Indexed: 08/01/2023] Open
Abstract
Introduction The incidence of osteopenia and osteoporosis is of concern in adults with Prader-Willi syndrome (PWS). Walking generates reaction forces that could stimulate bone mineralization and is popular in people with PWS. This study compared bone parameters and ground reaction forces (GRF) during gait between young adults with PWS and without PWS and explored associations between bone and GRFs during gait. Methods 10 adults with PWS, 10 controls with obesity (OB) and 10 with normal weight (NW) matched on sex participated. Segmental and full body dual-energy x-ray absorptiometry scans provided femoral neck, spine, total body minus the head bone mineral density (BMD), bone mineral content (BMC). Vertical GRF, vertical impulse, posterior force and negative impulse were measured during 5 walking trials at a self-selected speed along a 10 m runway. Results Multivariate analyses of variance showed that adults with PWS (n = 7-8) had hip and body BMD and BMC comparable (p > .050) to NW and lower (p < .050) than OB. Adults with PWS showed slower speed than NW (p < .050) but similar to OB (p > .050). Adults with PWS presented lower absolute vertical GRF, vertical impulse and negative impulse than OB (p < .050). Pearson r correlations (p < .050) in those with PWS (n = 7-8) indicated that femoral neck BMC was associated with vertical GRF (r = 0.716), vertical impulse (r = 0.780), posterior force (r = -0.805), and negative impulse (r = -0.748). Spine BMC was associated with speed (r = 0.829) and body BMD was associated with speed (r = 0.893), and posterior force (r = -0.780). Conclusions Increased BMC in the femoral neck and body were associated with larger breaking forces during walking, a phenomenon normally observed at greater gait speeds. Faster walking speed was associated with greater BMC in the spine and body. Our preliminary results suggest that young adults with PWS could potentially benefit from faster walking for bone health; however, larger prospective studies are needed to confirm this.
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Affiliation(s)
- Daniela A. Rubin
- California State University, Fullerton, 800 N. State College Blvd., Fullerton, CA 92831, United States
| | - Skylar C. Holmes
- University of Massachusetts Amherst, 30 Eastman Lane, Amherst, MA 01003, United States
| | - Jacqueline Ramirez
- California State University, Fullerton, 800 N. State College Blvd., Fullerton, CA 92831, United States
| | - Steven A. Garcia
- University of Michigan Dominos Farms, Lobby A. 24 Frank Lloyd Wright Drive, Ann Arbor, MI 48106, United States
| | - Eric J. Shumski
- University of Georgia, Athens, 330 River Rd, Athens, GA 30602, United States
| | - Derek N. Pamukoff
- Western University, 1151 Richmond Street, London, Ontario N6A3K7, Canada
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van Abswoude DH, Pellikaan K, Nguyen N, Rosenberg AGW, Davidse K, Hoekstra FME, Rood IM, Poitou C, Grugni G, Høybye C, Markovic TP, Caixàs A, Crinò A, van den Berg SAA, van der Lely AJ, de Graaff LCG. Kidney disease in adults with Prader-Willi syndrome: international cohort study and systematic literature review. Front Endocrinol (Lausanne) 2023; 14:1168648. [PMID: 37547314 PMCID: PMC10402738 DOI: 10.3389/fendo.2023.1168648] [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: 02/17/2023] [Accepted: 07/03/2023] [Indexed: 08/08/2023] Open
Abstract
Background Prader-Willi syndrome (PWS) is a rare, complex, genetic disorder characterized by hyperphagia, hypotonia, delayed psychomotor development, low muscle mass and hypothalamic dysfunction. Adults with PWS often have obesity, hypertension and type 2 diabetes mellitus (DM2), known risk factors for cardiovascular disease (CVD) and chronic kidney disease (CKD). Early symptoms of CVD and CKD may be masked by intellectual disability and inability to express physical complaints. Furthermore, kidney diseases are often asymptomatic. Therefore, renal and cardiovascular disease might be missed in patients with PWS. Microalbuminuria is an early sign of microvascular damage in the kidneys and other vascular beds. Therefore, we screened our adult PWS cohort for the presence of elevated urinary albumin and (micro)albuminuria. Methods We retrospectively collected anthropometric measurements, blood pressure, medical history, medication use, urine dipstick and biochemical measurements form electronic patient files. In addition, we performed a systematic literature review on kidney disease in PWS. Results We included 162 adults with genetically confirmed PWS (56% male, median age 28 years), of whom 44 (27%) had DM2. None had known CVD. All subjects had normal estimated glomerular filtration rate (eGFR) according to non-PWS reference intervals. Elevated urinary albumin or (micro)albuminuria was present in 28 (18%); 19 out of 75 (25%) had an increased urinary albumin-to-creatinine ratio (UACR) and 10 out of 57 (18%) had an increased urinary protein-to-creatinine ratio. Elevated urinary albumin was present at a young age (median age 26 (IQR 24-32) years) and was associated with an significantly higher BMI and LDL-cholesterol levels and higher prevalence of DM2, hypertension and dyslipidemia than those with normal UACR (p=0.027, p=0.019, p<0.001, p<0.001, p=0.011 and respectively). Conclusion Upon screening, one in every five adults with PWS had increased urinary albumin or (micro)albuminuria, early signs of microvascular disease. All had normal eGFR, according to non-PWS reference intervals, and none had a formal diagnosis of CVD. As muscle mass is low in PWS, creatinine levels and eGFR may be spuriously normal. Urinalysis in this patient group can be used as a screening tool for microvascular (kidney) disease. We propose an algorithm for the detection and management of microvascular disease in adults with PWS.
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Affiliation(s)
- Denise H. van Abswoude
- Department of Internal Medicine, Division of Endocrinology, Erasmus Medical Center, University Medical Center Rotterdam, Rotterdam, Netherlands
- Center for Adults with Rare Genetic Syndromes, Department of Internal Medicine, Division of Endocrinology, Erasmus Medical Center, University Medical Center Rotterdam, Rotterdam, Netherlands
- Dutch Center of Reference for Prader–Willi Syndrome, Rotterdam, Netherlands
- Academic Center for Growth Disorders, Erasmus Medical Center, University Medical Center Rotterdam, Rotterdam, Netherlands
| | - Karlijn Pellikaan
- Department of Internal Medicine, Division of Endocrinology, Erasmus Medical Center, University Medical Center Rotterdam, Rotterdam, Netherlands
- Center for Adults with Rare Genetic Syndromes, Department of Internal Medicine, Division of Endocrinology, Erasmus Medical Center, University Medical Center Rotterdam, Rotterdam, Netherlands
- Dutch Center of Reference for Prader–Willi Syndrome, Rotterdam, Netherlands
- Academic Center for Growth Disorders, Erasmus Medical Center, University Medical Center Rotterdam, Rotterdam, Netherlands
| | - Naomi Nguyen
- Department of Internal Medicine, Division of Endocrinology, Erasmus Medical Center, University Medical Center Rotterdam, Rotterdam, Netherlands
| | - Anna G. W. Rosenberg
- Department of Internal Medicine, Division of Endocrinology, Erasmus Medical Center, University Medical Center Rotterdam, Rotterdam, Netherlands
- Center for Adults with Rare Genetic Syndromes, Department of Internal Medicine, Division of Endocrinology, Erasmus Medical Center, University Medical Center Rotterdam, Rotterdam, Netherlands
- Dutch Center of Reference for Prader–Willi Syndrome, Rotterdam, Netherlands
- Academic Center for Growth Disorders, Erasmus Medical Center, University Medical Center Rotterdam, Rotterdam, Netherlands
| | - Kirsten Davidse
- Department of Internal Medicine, Division of Endocrinology, Erasmus Medical Center, University Medical Center Rotterdam, Rotterdam, Netherlands
- Center for Adults with Rare Genetic Syndromes, Department of Internal Medicine, Division of Endocrinology, Erasmus Medical Center, University Medical Center Rotterdam, Rotterdam, Netherlands
- Dutch Center of Reference for Prader–Willi Syndrome, Rotterdam, Netherlands
- Academic Center for Growth Disorders, Erasmus Medical Center, University Medical Center Rotterdam, Rotterdam, Netherlands
| | - Franciska M. E. Hoekstra
- Department of Internal Medicine, Division of Endocrinology, Erasmus Medical Center, University Medical Center Rotterdam, Rotterdam, Netherlands
- Internal Medicine, Division of Nephrology, Reinier de Graaf Gasthuis, Delft, Netherlands
| | - Ilse M. Rood
- Department of Nephrology, Radboud University Medical Center, Radboud Institute for Health Sciences, Nijmegen, Netherlands
| | - 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, National Institute of Health and Medical Research (INSERM), Nutriomics, Paris, France
- International Network for Research, Management & Education on adults with Prader-Willi Syndrome (INfoRMEd-PWS)
- European Reference Network on Rare Endocrine Conditions (ENDO-ERN)
| | - Graziano Grugni
- International Network for Research, Management & Education on adults with Prader-Willi Syndrome (INfoRMEd-PWS)
- European Reference Network on Rare Endocrine Conditions (ENDO-ERN)
- Division of Auxology, Istituto Auxologico Italiano, Istituto di Ricovero e Cura a Carattere Scientifico (IRCCS), Piancavallo, Italy
| | - Charlotte Høybye
- International Network for Research, Management & Education on adults with Prader-Willi Syndrome (INfoRMEd-PWS)
- European Reference Network on Rare Endocrine Conditions (ENDO-ERN)
- Department of Molecular Medicine and Surgery, Karolinska Institute and Karolinska University Hospital, Stockholm, Sweden
- Department of Endocrinology, Karolinska Institute and Karolinska University Hospital, Stockholm, Sweden
| | - Tania P. Markovic
- International Network for Research, Management & Education on adults with Prader-Willi Syndrome (INfoRMEd-PWS)
- Metabolism & Obesity Service, Royal Prince Alfred Hospital, Camperdown, NSW, Australia
- Charles Perkins Center and Sydney Medical School, University of Sydney, Sydney, NSW, Australia
| | - Assumpta Caixàs
- International Network for Research, Management & Education on adults with Prader-Willi Syndrome (INfoRMEd-PWS)
- Department of Endocrinology and Nutrition, Parc Tauli Hospital Universitari, Institut d’Investigació i Innovació Parc Taulí (I3PT) Instituto de Salud Carlos III (CERCA-ISCIII), Sabadell, Spain
- Department of Medicine, Universitat Autònoma de Barcelona, Sabadell, Spain
| | - 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, Palidoro, Italy
- Center for Rare Diseases and Congenital Defects, Fondazione Policlinico Universitario A. Gemelli, Istituto di Ricovero e Cura a Carattere Scientifico (IRCCS), Rome, Italy
| | - Sjoerd A. A. van den Berg
- Department of Internal Medicine, Division of Endocrinology, Erasmus Medical Center, University Medical Center Rotterdam, Rotterdam, Netherlands
- Department of Clinical Chemistry, Erasmus Medical Center (MC), University Medical Center Rotterdam, Rotterdam, Netherlands
| | - Aart J. van der Lely
- Department of Internal Medicine, Division of Endocrinology, Erasmus Medical Center, University Medical Center Rotterdam, Rotterdam, Netherlands
- Center for Adults with Rare Genetic Syndromes, Department of Internal Medicine, Division of Endocrinology, Erasmus Medical Center, University Medical Center Rotterdam, Rotterdam, Netherlands
- Academic Center for Growth Disorders, Erasmus Medical Center, University Medical Center Rotterdam, Rotterdam, Netherlands
| | - Laura C. G. de Graaff
- Department of Internal Medicine, Division of Endocrinology, Erasmus Medical Center, University Medical Center Rotterdam, Rotterdam, Netherlands
- Center for Adults with Rare Genetic Syndromes, Department of Internal Medicine, Division of Endocrinology, Erasmus Medical Center, University Medical Center Rotterdam, Rotterdam, Netherlands
- Dutch Center of Reference for Prader–Willi Syndrome, Rotterdam, Netherlands
- Academic Center for Growth Disorders, Erasmus Medical Center, University Medical Center Rotterdam, Rotterdam, Netherlands
- European Reference Network on Rare Endocrine Conditions (ENDO-ERN)
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Qian Y, Xia F, Zuo Y, Zhong M, Yang L, Jiang Y, Zou C. Do patients with Prader-Willi syndrome have favorable glucose metabolism? Orphanet J Rare Dis 2022; 17:187. [PMID: 35525976 PMCID: PMC9077846 DOI: 10.1186/s13023-022-02344-3] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/08/2022] [Accepted: 04/26/2022] [Indexed: 11/26/2022] Open
Abstract
Background In recent years, more studies have observed that patients with Prader–Willi syndrome have lower insulin levels and lower insulin resistance than body mass index-matched controls, which may suggest protected glucose metabolism. Method The PubMed and Web of Science online databases were searched to identify relevant studies published in the English language using the terms “Prader–Willi syndrome” with “glucose”, “insulin”, “diabetes mellitus”, “fat”, “adipo*”, “ghrelin”, “oxytocin”, “irisin” or “autonomic nervous system”. Results The prevalence of impaired glucose intolerance, type 2 diabetes mellitus and some other obesity-associated complications in patients with Prader–Willi syndrome tends to be lower when compared to that in general obesity, which is consistent with the hypothetically protected glucose metabolism. Factors including adipose tissue, adiponectin, ghrelin, oxytocin, irisin, growth hormone and the autonomic nervous system possibly modulate insulin sensitivity in patients with Prader–Willi syndrome. Conclusion Although lower insulin levels, lower IR and protected glucose metabolism are widely reported in PWS patients, the causes are still mysterious. Based on existing knowledge, we cannot determine which factor is of utmost importance and what are the underlying mechanisms, and further research is in urgent need.
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Affiliation(s)
- Yanjie Qian
- Department of Endocrinology, The Children's Hospital of Zhejiang University School of Medicine, National Clinical Research Center for Child Health, No 3333 Binsheng Road, Hangzhou, 310051, China
| | - Fangling Xia
- Department of Endocrinology, The Children's Hospital of Zhejiang University School of Medicine, National Clinical Research Center for Child Health, No 3333 Binsheng Road, Hangzhou, 310051, China
| | - Yiming Zuo
- Department of Endocrinology, The Children's Hospital of Zhejiang University School of Medicine, National Clinical Research Center for Child Health, No 3333 Binsheng Road, Hangzhou, 310051, China
| | - Mianling Zhong
- Department of Endocrinology, The Children's Hospital of Zhejiang University School of Medicine, National Clinical Research Center for Child Health, No 3333 Binsheng Road, Hangzhou, 310051, China
| | - Lili Yang
- Department of Endocrinology, The Children's Hospital of Zhejiang University School of Medicine, National Clinical Research Center for Child Health, No 3333 Binsheng Road, Hangzhou, 310051, China
| | - Yonghui Jiang
- Department of Genetics, Yale University School of Medicine, New Haven, USA
| | - Chaochun Zou
- Department of Endocrinology, The Children's Hospital of Zhejiang University School of Medicine, National Clinical Research Center for Child Health, No 3333 Binsheng Road, Hangzhou, 310051, China.
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Hu S, Huang B, Loi K, Chen X, Ding Q, Luo L, Wang C, Yang W. Patients with Prader-Willi Syndrome (PWS) Underwent Bariatric Surgery Benefit more from High-Intensity Home Care. Obes Surg 2022; 32:1631-1640. [PMID: 35288862 DOI: 10.1007/s11695-022-05999-w] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/05/2021] [Revised: 03/02/2022] [Accepted: 03/08/2022] [Indexed: 11/30/2022]
Abstract
BACKGROUND Long-term weight loss effect of bariatric surgeries for patients with Prader-Willi Syndrome (PWS) remains controversial since factors like postoperative home care intensity may impact the outcome. The aim of this study was to evaluate the role of home care intensity on long-term weight loss effect of bariatric surgery in patients with PWS. METHODS This was a prospective observational study on patients with PWS undergoing bariatric surgery and patients were enrolled from July 2015 to December 2016. Detailed information of patients' weight and behaviors was recorded by caregivers postoperatively. The intensities of home care applied to patients were classified into four categories (high, moderate, low, and very low) according to the records. RESULTS Six cases (3 males, 3 females) were enrolled in this study with LSG (n = 2), RYGB (n = 3), and LSG-DJB (n = 1) as their primary operation. The mean BMI of these participants was 46.78 ± 11.63 kg/m2, and the mean age was 17.66 ± 6.59 years. All patients had at least 5 years of follow-ups, and the %EWL were 51.57 ± 23.36%, 64.54 ± 18.97%, 35.34 ± 36.53%, 19.45 ± 41.78%, and - 4.74 ± 71.50% in the half, first, second, third, and fifth year after surgery respectively. Two patients with high-intensity home care achieved a %EWL of 70.57 ± 8.86% in the fifth year after surgery. CONCLUSIONS Overall long-term weight loss of bariatric surgery for patients with PWS was not found through the follow-ups. Two patients with high-intensity home care maintained weight loss at the fifth-year follow-up, suggesting a pivotal role of high-intensity home care in long-term outcomes of bariatric surgery in patients with PWS.
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Affiliation(s)
- Songhao Hu
- Department of Metabolic and Bariatric Surgery, The First Affiliated Hospital of Jinan University, No. 613, Huangpu Avenue West, Guangzhou, Guangdong, China.,Jinan University Institute of Obesity and Metabolic Disorders, Guangzhou, China.,Laboratory of Metabolic and Molecular Medicine, Guangdong-Hong Kong-Macao Joint University, Guangzhou, China
| | - Biao Huang
- Department of Metabolic and Bariatric Surgery, The First Affiliated Hospital of Jinan University, No. 613, Huangpu Avenue West, Guangzhou, Guangdong, China.,Jinan University Institute of Obesity and Metabolic Disorders, Guangzhou, China.,Laboratory of Metabolic and Molecular Medicine, Guangdong-Hong Kong-Macao Joint University, Guangzhou, China
| | - Ken Loi
- Department of Upper GI and Bariatric Surgery, St George Public and Private Hospital, University of NSW, Sydney, Australia
| | - Xiaomei Chen
- Department of Metabolic and Bariatric Surgery, The First Affiliated Hospital of Jinan University, No. 613, Huangpu Avenue West, Guangzhou, Guangdong, China
| | - Qinyu Ding
- Department of Metabolic and Bariatric Surgery, The First Affiliated Hospital of Jinan University, No. 613, Huangpu Avenue West, Guangzhou, Guangdong, China
| | - Lan Luo
- General Surgery Department of Jihua Hospital affiliated to Jinan University, Guangzhou, China
| | - Cunchuan Wang
- Department of Metabolic and Bariatric Surgery, The First Affiliated Hospital of Jinan University, No. 613, Huangpu Avenue West, Guangzhou, Guangdong, China. .,Jinan University Institute of Obesity and Metabolic Disorders, Guangzhou, China. .,Laboratory of Metabolic and Molecular Medicine, Guangdong-Hong Kong-Macao Joint University, Guangzhou, China.
| | - Wah Yang
- Department of Metabolic and Bariatric Surgery, The First Affiliated Hospital of Jinan University, No. 613, Huangpu Avenue West, Guangzhou, Guangdong, China. .,Jinan University Institute of Obesity and Metabolic Disorders, Guangzhou, China. .,Laboratory of Metabolic and Molecular Medicine, Guangdong-Hong Kong-Macao Joint University, Guangzhou, China.
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Licenziati MR, Bacchini D, Crinò A, Grugni G, Fintini D, Osimani S, Ragusa L, Sacco M, Iughetti L, De Sanctis L, Franzese A, Wasniewska MG, Faienza MF, Delvecchio M, Esposito C, Valerio G. The Hyperphagia Questionnaire: Insights From a Multicentric Validation Study in Individuals With Prader Willi Syndrome. Front Pediatr 2022; 10:829486. [PMID: 35237541 PMCID: PMC8884358 DOI: 10.3389/fped.2022.829486] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 12/05/2021] [Accepted: 01/18/2022] [Indexed: 11/28/2022] Open
Abstract
BACKGROUND/OBJECTIVES The present study aimed to validate the Italian version of the Hyperphagia Questionnaire (HQ), a 11-items questionnaire developed to assess hyperphagia in individuals with Prader-Willi syndrome (PWS). This is a complex neurodevelopmental disorder characterized by endocrine dysfunction, hypotonia, intellectual disability, psychiatric disorders and obesity. METHODS Parents of 219 individuals with PWS (age range 3-54 years; Mage = 17.90; 108 Males), recruited in 12 hospitals in Italy responded to HQ during routine visits. In function of the level of analyses the sample was divided into two subgroups (<18> years) or into four age-subgroups (2.5-4.5; 4.5-8; 8-18; >18 years) corresponding to different clinical stages. RESULTS Confirmatory factor analysis (CFA) confirmed the three hyperphagic subdimensions of the original structure (behavior, drive, and severity), but one item was dropped out, reducing the final version to 10 items. Using multi-group CFA, HQ showed satisfactory indexes of measurement invariance by age. Good indexes of internal consistency (Cronbach's alpha and McDonald's Omega coefficients) were found for each subdimension. The three hyperphagia subdimensions positively converged with other food-related measures: emotional overeating, food enjoyment, food responsiveness, and satiety responsiveness. A significant increase of all hyperphagic subdimensions was found across age groups. Higher hyperphagic levels were found in participants with higher body mass index. Hyperphagic drive differently increased in function of the interaction between age and underlying genetic mechanisms. CONCLUSION The Italian version of the HQ is a psychometrically valid and reliable instrument for assessing hyperphagia in individuals with PWS. This tool may prove useful to evaluate the efficacy of pharmacologic and rehabilitative treatments.
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Affiliation(s)
- Maria Rosaria Licenziati
- Department of Neurosciences, Obesity and Endocrine Disease Unit, Santobono-Pausilipon Childrens Hospital, Naples, Italy
| | - Dario Bacchini
- Department of Humanistic Studies, University of Naples “Federico II”, Naples, Italy
| | - Antonino Crinò
- Reference Center for Prader-Willi Syndrome, Research Institute, Bambino Gesù Hospital, Rome, Italy
| | - Graziano Grugni
- Department of Auxology, Istituto di Ricerca e Cura a Carattere Scientifico Istituto Auxologico Italiano, Verbania, Italy
| | - Danilo Fintini
- Reference Center for Prader-Willi Syndrome, Research Institute, Bambino Gesù Hospital, Rome, Italy
| | - Sara Osimani
- Department of Pediatrics, Scientific Institute San Raffaele, Milan, Italy
| | | | - Michele Sacco
- Pediatric Unit Scientific Institute “Casa Sollievo Della Sofferenza” San Giovanni Rotondo (FG), San Giovanni Rotondo, Italy
| | - Lorenzo Iughetti
- Pediatric Unit, Department of Medical and Surgical Sciences for Mothers, Children and Adults, University of Modena and Reggio Emilia, Modena, Italy
| | - Luisa De Sanctis
- Department of Public Health and Pediatric Sciences, University of Torino, Turin, Italy
| | - Adriana Franzese
- Department of Traslational Sciences, University of Naples Federico II, Naples, Italy
| | | | - Maria Felicia Faienza
- Department of Biomedical Sciences and Human Oncology, Pediatric Unit, University of Bari “Aldo Moro”, Bari, Italy
| | - Maurizio Delvecchio
- Metabolic Disorders and Genetics Unit, “Giovanni XXIII” Children's Hospital, Azienda Ospedaliera Universitaria (A.O.U.) Policlinico di Bari, Bari, Italy
| | - Concetta Esposito
- Department of Humanistic Studies, University of Naples “Federico II”, Naples, Italy
| | - Giuliana Valerio
- Department of Movement Sciences and Wellbeing, Parthenope University of Naples, Naples, Italy
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Oto Y, Murakami N, Inoue T, Matsubara K, Saima S, Ogata H, Ihara H, Nagai T, Matsubara T. Psychiatric behavioral effect and characteristics of type 2 diabetes mellitus on Japanese patients with Prader-Willi syndrome: a preliminary retrospective study. J Pediatr Endocrinol Metab 2022; 35:89-96. [PMID: 34792304 DOI: 10.1515/jpem-2021-0555] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 08/24/2021] [Accepted: 10/30/2021] [Indexed: 11/15/2022]
Abstract
OBJECTIVES In recent years, research on behavioral and psychiatric problems of adults with Prader-Willi syndrome (PWS) has gained attention. However, no report is available regarding the relationship between psychiatric illness and type 2 diabetes mellitus (T2DM) in patients with PWS. Therefore, we evaluated a behavioral assessment to address the lack of data on the association between psychiatric behavior and T2DM. METHODS This was a retrospective single-center study of patients with PWS. Patients with PWS whose blood tests were performed in our hospital between January 2018 and December 2019 and aged >10 years were included. We evaluated the data, including the behavioral patterns of Japanese PWS patients with T2DM. RESULTS Overall, 114 patients were evaluated; 33 patients (28.9%) developed T2DM. The age of T2DM onset was 18.0 years (interquartile range [IQR], 14.6-21.4 years). The median body mass index at T2DM onset was 33.7 kg/m2 (IQR, 30.0-37.4 kg/m2). Between-group comparisons of the intelligence quotient, Food-Related Problem Questionnaire (FRPQ), and Japanese versions of the Short Sensory Profile and Aberrant Behavior Checklist showed a significant difference only in FRPQ scores (p=0.003). CONCLUSIONS The occurrence of T2DM among Japanese patients with PWS remains high. Only the FRPQ was significantly different between the T2DM and the non-T2DM group.
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Affiliation(s)
- Yuji Oto
- Department of Pediatrics, Dokkyo Medical University Saitama Medical Center, Saitama, Japan
| | - Nobuyuki Murakami
- Department of Pediatrics, Dokkyo Medical University Saitama Medical Center, Saitama, Japan
| | - Takeshi Inoue
- Department of Pediatrics, Dokkyo Medical University Saitama Medical Center, Saitama, Japan
| | - Keiko Matsubara
- Department of Molecular Endocrinology, National Research Institute for Child Health and Development, Tokyo, Japan
| | - Sohei Saima
- Department of Psychiatry, Dokkyo Medical University Saitama Medical Center, Saitama, Japan
| | - Hiroyuki Ogata
- Department of Psychiatry, Dokkyo Medical University Saitama Medical Center, Saitama, Japan
| | - Hiroshi Ihara
- Department of Psychiatry, Dokkyo Medical University Saitama Medical Center, Saitama, Japan
| | | | - Tomoyo Matsubara
- Department of Pediatrics, Dokkyo Medical University Saitama Medical Center, Saitama, Japan
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Bos-Roubos A, Wingbermühle E, Biert A, de Graaff L, Egger J. Family Matters: Trauma and Quality of Life in Family Members of Individuals With Prader-Willi Syndrome. Front Psychiatry 2022; 13:897138. [PMID: 35836666 PMCID: PMC9273751 DOI: 10.3389/fpsyt.2022.897138] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 03/15/2022] [Accepted: 06/02/2022] [Indexed: 11/25/2022] Open
Abstract
BACKGROUND Prader-Willi syndrome (PWS) is a potentially life threatening, genetic developmental disorder that requires lifelong medical treatment and behavioral management. PWS has a major impact on the patient's social environment. In this study, we have explored traumatic life events and symptoms of posttraumatic stress disorder (PTSD) in family members of individuals with PWS. We have also assessed quality of life in relation to trauma manifestations. In addition, we have evaluated demographic characteristics such as living setting of PWS patients as well as PWS symptom severity. METHODS Data of this observational study were obtained by means of the Life Events Checklist DMS-5, the Posttraumatic Stress Disorder Checklist DSM-5, the abbreviated World Health Organization Quality of Life questionnaire, the Lancashire Quality of Life Profile questionnaire, and a short demographic inventory. The study sample includes 98 adults aged 19 to 80 years (M = 49, SD = 15), who are relatives of 69 individuals with PWS aged 0 to 58 years (M = 19, SD = 13). Participants were recruited via the two Dutch patient associations PWS and the Dutch Digital Center of Expertise PWS. RESULTS Life time prevalence of traumatic events (93%) was higher in family members of PWS patients ("PWS relatives") than in the general Dutch population (81%). Of those who reported any traumatic event, almost half reported PWS-related events. The prevalence of probable PTSD was higher in PWS relatives (12.1%) than the general lifetime prevalence of PTSD (worldwide, and in the Netherlands 7.4%). Predominant trauma symptoms in PWS relatives were "negative changes in arousal and reactivity" and "negative changes in cognition and mood;" both significantly negatively related to quality of life. Symptom severity of PWS individuals, as well as the associated trauma symptom severity of their relatives increased with age of the PWS individual. The presence of trauma symptoms was less frequent among relatives of PWS individuals living in a care facility. CONCLUSIONS Having a relative with PWS is associated with higher prevalence of traumatic experiences and greater vulnerability to PTSD. Raising awareness in health care professionals of trauma symptoms in PWS relatives may contribute to effective treatment of their psychosocial stress. In addition, timely interventions might prevent family members from developing psychopathology like PTSD.
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Affiliation(s)
- Anja Bos-Roubos
- Centre of Excellence for Neuropsychiatry, Vincent van Gogh Institute for Psychiatry, Venray, Netherlands.,Donders Institute for Brain, Cognition and Behaviour, Radboud University, Nijmegen, Netherlands
| | - Ellen Wingbermühle
- Centre of Excellence for Neuropsychiatry, Vincent van Gogh Institute for Psychiatry, Venray, Netherlands.,Donders Institute for Brain, Cognition and Behaviour, Radboud University, Nijmegen, Netherlands.,Department of Human Genetics, Radboud University Medical Centre, Nijmegen, Netherlands
| | - Anneloes Biert
- Centre of Excellence for Neuropsychiatry, Vincent van Gogh Institute for Psychiatry, Venray, Netherlands
| | - Laura de Graaff
- Department of Internal Medicine, Erasmus University Medical Center, Rotterdam, Netherlands.,Center for Adults With Rare Genetic Syndromes, Erasmus University Medical Center, Rotterdam, Netherlands.,Dutch Center of Reference for Prader-Willi Syndrome, Rotterdam, Netherlands
| | - Jos Egger
- Centre of Excellence for Neuropsychiatry, Vincent van Gogh Institute for Psychiatry, Venray, Netherlands.,Donders Institute for Brain, Cognition and Behaviour, Radboud University, Nijmegen, Netherlands.,Department of Human Genetics, Radboud University Medical Centre, Nijmegen, Netherlands.,Stevig, Specialized and Forensic Care for People With Intellectual Disabilities, Dichterbij, Oostrum, Netherlands
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8
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Han JY, Lee HJ, Lee YM, Park J. Complete Penetrance but Different Phenotypes in a Korean Family with Maternal Interstitial Duplication at 15q11.2-q13.1: A Case Report. CHILDREN-BASEL 2021; 8:children8040313. [PMID: 33924158 PMCID: PMC8074356 DOI: 10.3390/children8040313] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 02/22/2021] [Revised: 04/16/2021] [Accepted: 04/19/2021] [Indexed: 11/26/2022]
Abstract
The 15q duplication syndrome (dup15q) is due to the presence of at least one additional derived copy of the Prader–Willi syndrome/Angelman syndrome (PWS/AS) critical region that is approximately 5 Mb long within chromosome 15q11.2-q13.1. This report describes distinct roles of the origin of interstitial (int) dup15q underlining the critical importance of maternally active imprinted genes in the contribution to complete penetrance but different phenotypes of neuropsychotic disorders such as schizophrenia (SCZ) and autism spectrum disorder (ASD) in a Korean family. The proband’s mother as a consultant visited our hospital for her offspring’s genetic counseling and segregation analysis. She had two daughters diagnosed as SCZ or ASD and one son diagnosed as ASD. To resolve the potential genetic cause of SCZ and ASD in the proband and her sibling, whole genomic screening of chromosomal rearrangements by array-comparative genomic hybridization (CGH) was performed using SurePrint G3 Human CGH + SNP Microarray 4 × 180 K. Results of the array-CGH analysis revealed an interstitial duplication at 15q11.2-q13.1 (duplication size of 5.4 Mb) in the mother and her three offspring with SCZ or ASD. Our case, together with previous findings of high occurrence of psychotic disorder, suggest that maternally expressed gene product in the critical region of PWS/AS might mediate the risk of neurodevelopmental disorder (ASD) as well as psychotic disorder (SCZ). Multiple cytogenetic and molecular methods are recommended for investigating children with 15q11.2-q13.1 duplication and neuropsychotic disorders.
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Affiliation(s)
- Ji Yoon Han
- Department of Pediatrics, College of Medicine, The Catholic University of Korea, Seoul 06591, Korea;
| | - Hyun Joo Lee
- Departments of Pediatrics, Yonsei University College of Medicine, Seoul 06273, Korea;
| | - Young-Mock Lee
- Departments of Pediatrics, Yonsei University College of Medicine, Seoul 06273, Korea;
- Correspondence: (Y.-M.L.); (J.P.); Tel.: +82-2-2019-3354 (Y.-M.L.); +82-63-250-1218 (J.P.)
| | - Joonhong Park
- Department of Laboratory Medicine, Jeonbuk National University Medical School and Hospital, Jeonju 54907, Korea
- Research Institute of Clinical Medicine of Jeonbuk National University-Biomedical Research Institute of Jeonbuk National University Hospital, Jeonju 54907, Korea
- Correspondence: (Y.-M.L.); (J.P.); Tel.: +82-2-2019-3354 (Y.-M.L.); +82-63-250-1218 (J.P.)
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9
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Comparison of Hip and Knee Arthroplasty Rates of Individuals With and Without Prader-Willi Syndrome. J Pediatr Orthop 2020; 40:e362-e366. [PMID: 31834241 DOI: 10.1097/bpo.0000000000001490] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 02/07/2023]
Abstract
BACKGROUND Prader-Willi syndrome (PWS) is a complex genetic condition, affecting between 1:10,000 and 1:30,000. The prevalence of hip dysplasia in children with PWS is reportedly between 8% and 30%, but the long-term consequences of residual hip dysplasia remain largely unknown in this population. The purpose of this study was to comparatively estimate the number of total hip arthroplasty (THA) and total knee arthroplasty (TKA) procedures performed on adults with and without PWS, using a national hospital discharge database, in an effort to elucidate long-term outcomes and guide clinicians treating orthopaedic concerns in younger individuals with PWS. METHODS The National Inpatient Sample of the Healthcare Cost and Utilization Project is the largest all-payer inpatient care database, containing annual data from >7 million hospital stays; sampling weights and stratification variables are provided for producing estimates of >35 million hospitalizations nationwide. THA and TKA procedures were identified, then stratified by whether or not the patient had a diagnosis of PWS. The ages of the 2 groups and sex mix were compared, as was the length of stay for the procedure, and discharge status. RESULTS From 2004 to 2014, 9.4 million patients nationwide, by weighted estimate, underwent THA (3.1 million) or TKA (6.3 million). Sixty-five patients were identified as having the diagnosis of PWS (39 with THA, 26 with TKA); 7 patients per million having hip or knee arthroplasties had PWS. Sixty-eight percent of those with PWS were younger than 50 years, compared with only 7% of those without PWS (P<0.001). The female:male prevalence was 47:53 for patients with PWS and 60:40 for the total group. The mean length of stay was similar, but patients with PWS were more likely to be transferred to another facility after surgery (77% vs. 36%; P=0.008). CONCLUSIONS Hip dysplasia prevalence is higher in persons with PWS, but the rate of late treatment with THA is much lower than in the general population. We recommend only active observation for stable and improving hips in young children with PWS, as the consequences of overtreatment can be serious, including further delaying their neuromuscular development, and exposure to possibly unnecessary perioperative risks. LEVEL OF EVIDENCE Nation-wide database analysis, Level IV.
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10
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Donze SH, Codd V, Damen L, Goedegebuure WJ, Denniff M, Samani NJ, van der Velden JAEM, Hokken-Koelega ACS. Evidence for Accelerated Biological Aging in Young Adults with Prader-Willi Syndrome. J Clin Endocrinol Metab 2020; 105:5613535. [PMID: 31689713 PMCID: PMC7150612 DOI: 10.1210/clinem/dgz180] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 09/10/2019] [Accepted: 01/24/2020] [Indexed: 01/22/2023]
Abstract
OBJECTIVE Adults with Prader-Willi syndrome (PWS) are at increased risk of developing age-associated diseases early in life and, like in premature aging syndromes, aging might be accelerated. We investigated leukocyte telomere length (LTL), a marker of biological age, in young adults with PWS and compared LTL to healthy young adults of similar age. As all young adults with PWS were treated with growth hormone (GH), we also compared LTL in PWS subjects to GH-treated young adults born short for gestational age (SGA). DESIGN Cross-sectional study in age-matched young adults; 47 with PWS, 135 healthy, and 75 born SGA. MEASUREMENTS LTL measured by quantitative polymerase chain reaction, expressed as telomere/single copy gene ratio. RESULTS Median (interquartile range) LTL was 2.6 (2.4-2.8) at a median (interquartile range) age of 19.2 (17.7-21.3) years in PWS, 3.1 (2.9-3.5) in healthy young adults and 3.1 (2.8-3.4) in the SGA group. Median LTL in PWS was significantly lower compared to both control groups (P < .01). In PWS, a lower LTL tended to be associated with a lower total IQ (r = 0.35, P = .08). There was no association between LTL and duration of GH treatment, cumulative GH dose, or several risk factors for type 2 diabetes mellitus or cardiovascular disease. CONCLUSIONS Young adults with PWS have significantly shorter median LTL compared to age-matched healthy young adults and GH-treated young adults born SGA. The shorter telomeres might play a role in the premature aging in PWS, independent of GH. Longitudinal research is needed to determine the influence of LTL on aging in PWS.
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Affiliation(s)
- Stephany H Donze
- Dutch Growth Research Foundation, Rotterdam, The Netherlands
- Department of Pediatrics, Subdivision of Endocrinology, Erasmus University Medical Center-Sophia Children’s Hospital, Rotterdam, The Netherlands
- Correspondence and Reprint Requests: S. H. Donze, Westzeedijk 106, 3016 AH Rotterdam, The Netherlands. E-mail:
| | - Veryan Codd
- Department of Cardiovascular Sciences, University of Leicester, NIHR Leicester Cardiovascular Biomedical Research Unit, Glenfield Hospital, Leicester, United Kingdom
| | - Layla Damen
- Dutch Growth Research Foundation, Rotterdam, The Netherlands
- Department of Pediatrics, Subdivision of Endocrinology, Erasmus University Medical Center-Sophia Children’s Hospital, Rotterdam, The Netherlands
| | - Wesley J Goedegebuure
- Department of Pediatrics, Subdivision of Endocrinology, Erasmus University Medical Center-Sophia Children’s Hospital, Rotterdam, The Netherlands
| | - Matthew Denniff
- Department of Cardiovascular Sciences, University of Leicester, NIHR Leicester Cardiovascular Biomedical Research Unit, Glenfield Hospital, Leicester, United Kingdom
| | - Nilesh J Samani
- Department of Cardiovascular Sciences, University of Leicester, NIHR Leicester Cardiovascular Biomedical Research Unit, Glenfield Hospital, Leicester, United Kingdom
| | - Janiëlle A E M van der Velden
- Department of Pediatrics, Subdivision of Endocrinology, Radboud University Medical Centre-Amalia Children’s Hospital, Nijmegen, The Netherlands
| | - Anita C S Hokken-Koelega
- Dutch Growth Research Foundation, Rotterdam, The Netherlands
- Department of Pediatrics, Subdivision of Endocrinology, Erasmus University Medical Center-Sophia Children’s Hospital, Rotterdam, The Netherlands
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11
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Abstract
PURPOSE OF REVIEW This review summarizes our current knowledge on type 2 diabetes mellitus (T2DM) and glucose metabolism alterations in Prader-Willi syndrome (PWS), the most common syndromic cause of obesity, and serves as a guide for future research and current best practice. RECENT FINDINGS Diabetes occurs in 10-25% of PWS patients, usually in adulthood. Severe obesity is a significant risk factor for developing of T2DM in PWS. Paradoxically, despite severe obesity, a relative hypoinsulinemia, without the expected insulin resistance, is frequently observed in PWS. The majority of PWS subjects with T2DM are asymptomatic and diabetes-related complications are infrequent. Long-term growth hormone therapy does not adversely influence glucose homeostasis in all ages, if weight gain does not occur. Early intervention to prevent obesity and the regular monitoring of glucose levels are recommended in PWS subjects. However, further studies are required to better understand the physiopathological mechanisms of T2DM in these patients.
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Affiliation(s)
- Antonino Crinò
- Reference Center for Prader-Willi Syndrome, Bambino Gesù Hospital, Research Institute, Via Torre di Palidoro, 00050 Palidoro, Rome, Italy.
| | - Graziano Grugni
- Division of Auxology, S. Giuseppe Hospital, Research Institute, Italian Auxological Institute, Verbania, Italy
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12
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de Lombares C, Heude E, Alfama G, Fontaine A, Hassouna R, Vernochet C, de Chaumont F, Olivo-Marin C, Ey E, Parnaudeau S, Tronche F, Bourgeron T, Luquet S, Levi G, Narboux-Nême N. Dlx5 and Dlx6 expression in GABAergic neurons controls behavior, metabolism, healthy aging and lifespan. Aging (Albany NY) 2019; 11:6638-6656. [PMID: 31514171 PMCID: PMC6756896 DOI: 10.18632/aging.102141] [Citation(s) in RCA: 15] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/12/2019] [Accepted: 07/30/2019] [Indexed: 12/18/2022]
Abstract
Dlx5 and Dlx6 encode two homeobox transcription factors expressed by developing and mature GABAergic interneurons. During development, Dlx5/6 play a role in the differentiation of certain GABAergic subclasses. Here we address the question of the functional role of Dlx5/6 in the mature central nervous system. First, we demonstrate that Dlx5 and Dlx6 are expressed by all subclasses of adult cortical GABAergic neurons. Then we analyze VgatΔDlx5-6 mice in which Dlx5 and Dlx6 are simultaneously inactivated in all GABAergic interneurons. VgatΔDlx5-6 mice present a behavioral pattern suggesting reduction of anxiety-like behavior and obsessive-compulsive activities, and a lower interest in nest building. Twenty-month-old VgatΔDlx5-6 animals have the same size as their normal littermates, but present a 25% body weight reduction associated with a marked decline in white and brown adipose tissue. Remarkably, both VgatΔDlx5-6/+ and VgatΔDlx5-6 mice present a 33% longer median survival. Hallmarks of biological aging such as motility, adiposity and coat conditions are improved in mutant animals. Our data imply that GABAergic interneurons can regulate healthspan and lifespan through Dlx5/6-dependent mechanisms. Understanding these regulations can be an entry point to unravel the processes through which the brain affects body homeostasis and, ultimately, longevity and healthy aging.
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Affiliation(s)
- Camille de Lombares
- Physiologie Moléculaire et Adaptation, CNRS UMR7221, Muséum National d’Histoire Naturelle, Département AVIV, Paris, France
| | - Eglantine Heude
- Physiologie Moléculaire et Adaptation, CNRS UMR7221, Muséum National d’Histoire Naturelle, Département AVIV, Paris, France
| | - Gladys Alfama
- Physiologie Moléculaire et Adaptation, CNRS UMR7221, Muséum National d’Histoire Naturelle, Département AVIV, Paris, France
| | - Anastasia Fontaine
- Physiologie Moléculaire et Adaptation, CNRS UMR7221, Muséum National d’Histoire Naturelle, Département AVIV, Paris, France
| | - Rim Hassouna
- Unité de Biologie Fonctionnelle et Adaptative (BFA), Université Paris Diderot, Sorbonne Paris Cité, CNRS UMR 8251, Paris, France
| | - Cécile Vernochet
- Team "Gene Regulation and Adaptive Behaviors", Neurosciences Paris Seine, INSERM U 1130, CNRS UMR 8246, Paris, France
| | | | | | - Elodie Ey
- Human Genetics and Cognitive Functions, Institute Pasteur, CNRS UMR 3571, Paris, France
| | - Sébastien Parnaudeau
- Team "Gene Regulation and Adaptive Behaviors", Neurosciences Paris Seine, INSERM U 1130, CNRS UMR 8246, Paris, France
| | - François Tronche
- Team "Gene Regulation and Adaptive Behaviors", Neurosciences Paris Seine, INSERM U 1130, CNRS UMR 8246, Paris, France
| | - Thomas Bourgeron
- Human Genetics and Cognitive Functions, Institute Pasteur, CNRS UMR 3571, Paris, France
| | - Serge Luquet
- Unité de Biologie Fonctionnelle et Adaptative (BFA), Université Paris Diderot, Sorbonne Paris Cité, CNRS UMR 8251, Paris, France
| | - Giovanni Levi
- Physiologie Moléculaire et Adaptation, CNRS UMR7221, Muséum National d’Histoire Naturelle, Département AVIV, Paris, France
| | - Nicolas Narboux-Nême
- Physiologie Moléculaire et Adaptation, CNRS UMR7221, Muséum National d’Histoire Naturelle, Département AVIV, Paris, France
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13
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Azor AM, Cole JH, Holland AJ, Dumba M, Patel MC, Sadlon A, Goldstone AP, Manning KE. Increased brain age in adults with Prader-Willi syndrome. Neuroimage Clin 2019; 21:101664. [PMID: 30658944 PMCID: PMC6412082 DOI: 10.1016/j.nicl.2019.101664] [Citation(s) in RCA: 22] [Impact Index Per Article: 4.4] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/04/2018] [Revised: 11/30/2018] [Accepted: 01/04/2019] [Indexed: 11/17/2022]
Abstract
Prader-Willi syndrome (PWS) is the most common genetic obesity syndrome, with associated learning difficulties, neuroendocrine deficits, and behavioural and psychiatric problems. As the life expectancy of individuals with PWS increases, there is concern that alterations in brain structure associated with the syndrome, as a direct result of absent expression of PWS genes, and its metabolic complications and hormonal deficits, might cause early onset of physiological and brain aging. In this study, a machine learning approach was used to predict brain age based on grey matter (GM) and white matter (WM) maps derived from structural neuroimaging data using T1-weighted magnetic resonance imaging (MRI) scans. Brain-predicted age difference (brain-PAD) scores, calculated as the difference between chronological age and brain-predicted age, are designed to reflect deviations from healthy brain aging, with higher brain-PAD scores indicating premature aging. Two separate adult cohorts underwent brain-predicted age calculation. The main cohort consisted of adults with PWS (n = 20; age mean 23.1 years, range 19.8-27.7; 70.0% male; body mass index (BMI) mean 30.1 kg/m2, 21.5-47.7; n = 19 paternal chromosome 15q11-13 deletion) and age- and sex-matched controls (n = 40; age 22.9 years, 19.6-29.0; 65.0% male; BMI 24.1 kg/m2, 19.2-34.2) adults (BMI PWS vs. control P = .002). Brain-PAD was significantly greater in PWS than controls (effect size mean ± SEM +7.24 ± 2.20 years [95% CI 2.83, 11.63], P = .002). Brain-PAD remained significantly greater in PWS than controls when restricting analysis to a sub-cohort matched for BMI consisting of n = 15 with PWS with BMI range 21.5-33.7 kg/m2, and n = 29 controls with BMI 21.7-34.2 kg/m2 (effect size +5.51 ± 2.56 years [95% CI 3.44, 10.38], P = .037). In the PWS group, brain-PAD scores were not associated with intelligence quotient (IQ), use of hormonal and psychotropic medications, nor severity of repetitive or disruptive behaviours. A 24.5 year old man (BMI 36.9 kg/m2) with PWS from a SNORD116 microdeletion also had increased brain PAD of 12.87 years, compared to 0.84 ± 6.52 years in a second control adult cohort (n = 95; age mean 34.0 years, range 19.9-55.5; 38.9% male; BMI 28.7 kg/m2, 19.1-43.1). This increase in brain-PAD in adults with PWS indicates abnormal brain structure that may reflect premature brain aging or abnormal brain development. The similar finding in a rare patient with a SNORD116 microdeletion implicates a potential causative role for this PWS region gene cluster in the structural brain abnormalities associated primarily with the syndrome and/or its complications. Further longitudinal neuroimaging studies are needed to clarify the natural history of this increase in brain age in PWS, its relationship with obesity, and whether similar findings are seen in those with PWS from maternal uniparental disomy.
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Affiliation(s)
- Adriana M Azor
- Computational, Cognitive and Clinical Neuroimaging Laboratory, Division of Brain Sciences, Imperial College London, Hammersmith Hospital, London, UK.
| | - James H Cole
- Computational, Cognitive and Clinical Neuroimaging Laboratory, Division of Brain Sciences, Imperial College London, Hammersmith Hospital, London, UK.
| | - Anthony J Holland
- Cambridge Intellectual and Developmental Disabilities Research Group, Academic Department of Psychiatry, University of Cambridge, Cambridge, UK; National Institute for Health Research (NIHR) Collaborations for Leadership in Applied Health Care Research and Care (CLAHRC), East of England, UK.
| | - Maureen Dumba
- Department of Radiology, Imperial College Healthcare NHS Trust, London, UK.
| | - Maneesh C Patel
- Department of Radiology, Imperial College Healthcare NHS Trust, London, UK.
| | - Angelique Sadlon
- Computational, Cognitive and Clinical Neuroimaging Laboratory, Division of Brain Sciences, Imperial College London, Hammersmith Hospital, London, UK.
| | - Anthony P Goldstone
- Computational, Cognitive and Clinical Neuroimaging Laboratory, Division of Brain Sciences, Imperial College London, Hammersmith Hospital, London, UK; PsychoNeuroEndocrinology Research Group, Neuropsychopharmacology Unit, Centre for Psychiatry, Division of Brain Sciences, Imperial College London, Hammersmith Hospital, London, UK.
| | - Katherine E Manning
- Cambridge Intellectual and Developmental Disabilities Research Group, Academic Department of Psychiatry, University of Cambridge, Cambridge, UK.
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14
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Lim RB. Comment on Long-term effects of bariatric surgery on patients with obesity and chromosome 19.11-2 microdeletion. Surg Obes Relat Dis 2017; 13:1325-1326. [PMID: 28579203 DOI: 10.1016/j.soard.2017.05.006] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/03/2017] [Revised: 05/04/2017] [Accepted: 05/04/2017] [Indexed: 10/19/2022]
Affiliation(s)
- Robert B Lim
- Tripler Army Medical Center, Uniformed Services University of Health Sciences, Honolulu, Hawaii
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15
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Abstract
Although Prader-Willi syndrome (PWS) is a well-described clinical dysmorphic syndrome, DNA testing is required for a definitive diagnosis. A definitive diagnosis can be made in approximately 99% of cases using DNA testing; there are a number of DNA tests that can be used for this purpose, although there is no set standard algorithm of testing. The dilemma arises because of the complex genetic mechanisms at the basis of PWS, which need to be elucidated. To establish the molecular mechanism with a complete work up, involves at least 2 tests. Here we discuss the commonly used tests currently available and suggest a cost-effective approach to diagnostic testing.
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Affiliation(s)
- Arabella Smith
- University of Sydney Clinical School, Children's Hospital at Westmead, Westmead, Australia
| | - Dorothy Hung
- Children's Hospital at Westmead, Sydney Genome Diagnostics (Cytogenetics), Children's Hospital Network, PO Box 4001, Westmead, Australia
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16
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Kuppens RJ, Mahabier EF, Bakker NE, Siemensma EPC, Donze SH, Hokken-Koelega ACS. Effect of cessation of GH treatment on cognition during transition phase in Prader-Willi syndrome: results of a 2-year crossover GH trial. Orphanet J Rare Dis 2016; 11:153. [PMID: 27852283 PMCID: PMC5112648 DOI: 10.1186/s13023-016-0535-7] [Citation(s) in RCA: 15] [Impact Index Per Article: 1.9] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/14/2016] [Accepted: 11/08/2016] [Indexed: 11/16/2022] Open
Abstract
BACKGROUND Patients with Prader-Willi syndrome (PWS) have a cognitive impairment. Growth hormone (GH) treatment during childhood improves cognitive functioning, while cognition deteriorates in GH-untreated children with PWS. Cessation of GH treatment at attainment of adult height (AH) might deteriorate their GH-induced improved cognition, while continuation might benefit them. We, therefore, investigated the effects of placebo versus GH administration on cognition in young adults with PWS who were GH-treated for many years during childhood and had attained AH. METHOD Two-year, randomized, double-blind, placebo-controlled cross-over study in 25 young adults with PWS. Cross-over intervention with placebo and GH (0.67 mg/m2/day), both during 1 year. RESULTS Total (TIQ), verbal (VIQ) and performance IQ (PIQ) did not deteriorate during 1 year of placebo, compared to GH treatment (p > 0.322). Young adults with a lower TIQ had significantly more loss of TIQ points during placebo versus GH, in particular VIQ decreased more in those with a lower VIQ. The effect of placebo versus GH on TIQ, VIQ and PIQ was not different for gender or genotype. CONCLUSIONS Compared to GH treatment, 1 year of placebo did not deteriorate cognitive functioning of GH-treated young adults with PWS who have attained AH. However, patients with a lower cognitive functioning had more loss in IQ points during placebo versus GH treatment. The reassuring finding that 1 year of placebo does not deteriorate cognitive functioning does, however, not exclude a gradual deterioration of cognitive functioning on the long term. TRIAL REGISTRATION ISRCTN24648386 , NTR1038 , Dutch Trial Register, www.trialregister.nl . Registered 16 August 2007.
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Affiliation(s)
- R J Kuppens
- Dutch Growth Research Foundation, Rotterdam, The Netherlands.
- Department of Pediatrics, Erasmus University Medical Center-Sophia Children's Hospital, Subdivision of Endocrinology, Westzeedijk 106, 3016 AH, Rotterdam, The Netherlands.
| | - E F Mahabier
- Dutch Growth Research Foundation, Rotterdam, The Netherlands
| | - N E Bakker
- Dutch Growth Research Foundation, Rotterdam, The Netherlands
| | - E P C Siemensma
- Dutch Growth Research Foundation, Rotterdam, The Netherlands
| | - S H Donze
- Dutch Growth Research Foundation, Rotterdam, The Netherlands
- Department of Pediatrics, Erasmus University Medical Center-Sophia Children's Hospital, Subdivision of Endocrinology, Westzeedijk 106, 3016 AH, Rotterdam, The Netherlands
| | - A C S Hokken-Koelega
- Dutch Growth Research Foundation, Rotterdam, The Netherlands
- Department of Pediatrics, Erasmus University Medical Center-Sophia Children's Hospital, Subdivision of Endocrinology, Westzeedijk 106, 3016 AH, Rotterdam, The Netherlands
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17
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Mesquita MLGD, Suriano R, Carreiro LRR, Teixeira MCTV. Treino parental para manejo comportamental de crianças com Síndrome de Prader-Willi: impacto sobre a saúde mental e práticas educativas do cuidador. REVISTA CEFAC 2016. [DOI: 10.1590/1982-021620161850516] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/22/2022] Open
Abstract
RESUMO Objetivo: verificamos os indicadores de impacto na saúde mental de cuidadores de um programa de treinamento parental para manejo de crianças e adolescentes com Síndrome de Prader-Willi. Métodos: a amostra foi composta por 5 mães de crianças/adolescentes com Síndrome de Prader-Willi entre 6 a 18 anos. Os instrumentos de coleta de dados foram: a) Questionário para verificação de conhecimentos das mães sobre a síndrome, b) Inventário de Auto-avaliação para Adultos de 18 a 59 anos, c) Inventário de Estilos Parentais/Práticas educativas maternas e paternas; d) Levantamento de dificuldades e preocupações sobre os filhos. O estudo foi realizado em quatro fases: pré-intervenção, intervenção, pós-intervenção e seguimento. Resultados: as mães passaram a adotar práticas parentais educativas baseadas na monitoria positiva, diminuíram as práticas de risco. Conclusão: houve melhora em indicadores de dificuldades emocionais das mães, apreenderam a identificar e manejar fatores que prejudicavam a saúde física, o comportamento e a aprendizagem escolar dos filhos e a necessidade do envolvimento de outros familiares no cuidado do filho.
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18
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Irizarry KA, Miller M, Freemark M, Haqq AM. Prader Willi Syndrome: Genetics, Metabolomics, Hormonal Function, and New Approaches to Therapy. Adv Pediatr 2016; 63:47-77. [PMID: 27426895 PMCID: PMC4955809 DOI: 10.1016/j.yapd.2016.04.005] [Citation(s) in RCA: 64] [Impact Index Per Article: 8.0] [Reference Citation Analysis] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/21/2022]
Affiliation(s)
- Krystal A Irizarry
- Division of Pediatric Endocrinology, Duke University Medical Center, 3000 Erwin Road, Suite 200, Durham, NC 27705, USA
| | - Mark Miller
- Division of Pediatric Endocrinology, Duke University Medical Center, 3000 Erwin Road, Suite 200, Durham, NC 27705, USA
| | - Michael Freemark
- Division of Pediatric Endocrinology, Duke University Medical Center, 3000 Erwin Road, Suite 200, Durham, NC 27705, USA
| | - Andrea M Haqq
- Division of Pediatric Endocrinology, University of Alberta, 1C4 Walter C. Mackenzie Health Sciences Center, 8440 - 112 Street Northwest, Edmonton, Alberta T6G 2R7, Canada.
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Hartshorne N, Hudson A, MacCuspie J, Kennert B, Nacarato T, Hartshorne T, Blake K. Quality of life in adolescents and adults with CHARGE syndrome. Am J Med Genet A 2016; 170:2012-21. [PMID: 27273681 DOI: 10.1002/ajmg.a.37769] [Citation(s) in RCA: 20] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/09/2016] [Accepted: 05/11/2016] [Indexed: 12/19/2022]
Abstract
Health-related Quality of Life and the Impact of Childhood Neurologic Disability Scale were collected for 53 patients with CHARGE syndrome aged 13-39 years with a mean academic level of 4th grade. The most prevalent new and ongoing issues included bone health issues, sleep apnea, retinal detachment, anxiety, and aggression. Sleep issues were significantly correlated with anxiety, self-abuse, conduct problems, and autistic-like behaviors. Problems with overall health, behavior, and balance most affected the number of social activities in the individual's life. Sensory impairment most affected relationships with friends. Two contrasting case studies are presented and demonstrate that the quality of life exists on a broad spectrum in CHARGE syndrome, just as its physical features range from mild to very severe. A multitude of factors, including those beyond the physical manifestations, such as anxiety and sleep problems, influence quality of life and are important areas for intervention. © 2016 Wiley Periodicals, Inc.
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Affiliation(s)
- Nancy Hartshorne
- Social Sciences Division, Delta College, University Center, Michigan
| | | | | | - Benjamin Kennert
- Department of Psychology, Central Michigan University, Mount Pleasant, Michigan
| | - Tasha Nacarato
- Department of Psychology, Central Michigan University, Mount Pleasant, Michigan
| | - Timothy Hartshorne
- Department of Psychology, Central Michigan University, Mount Pleasant, Michigan
| | - Kim Blake
- Department of Pediatrics, IWK Health Centre, Dalhousie University, Nova Scotia, Canada
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Griggs JL, Sinnayah P, Mathai ML. Prader–Willi syndrome: From genetics to behaviour, with special focus on appetite treatments. Neurosci Biobehav Rev 2015; 59:155-72. [DOI: 10.1016/j.neubiorev.2015.10.003] [Citation(s) in RCA: 33] [Impact Index Per Article: 3.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/19/2015] [Revised: 09/30/2015] [Accepted: 10/12/2015] [Indexed: 12/22/2022]
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Whittington JE, Holland AJ, Webb T. Ageing in people with Prader-Willi syndrome: mortality in the UK population cohort and morbidity in an older sample of adults. Psychol Med 2015; 45:615-621. [PMID: 25088280 DOI: 10.1017/s0033291714001755] [Citation(s) in RCA: 18] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 11/07/2022]
Abstract
BACKGROUND The past two decades have seen a great improvement in the care of people with Prader-Willi syndrome (PWS), particularly with regard to control of diet and behaviour management. Has this affected mortality rates or thrown up new issues regarding premature ageing or dementia? We investigated two aspects of ageing in people with PWS: (1) an estimate of mortality over 9 years in a cohort of people with PWS, originally recruited in 1998-2000; and (2) premature ageing or dementia in people aged ⩾40 years. METHOD (1) A follow-up of the population-based 1998-2000 cohort to investigate the subsequent mortality rate; and (2) the recruitment and structured assessment of all members of the Prader-Willi Syndrome Association UK (PWSA-UK) aged ⩾40 years who agreed to participate. RESULTS Follow-up of the population-based 1998-2000 cohort gave a mortality rate of at least 7/62 over 9 years (1.25% per annum; 20 untraced), age at death was between 13 and 59 years. Twenty-six members of the PWSA-UK aged ⩾40 years were recruited, 18 of whom had a genetic diagnosis (gd) of PWS. Twenty-two (14 gd) showed no evidence of dementia. Four, with possible symptoms, are described in more detail; all are female, of maternal uniparental disomy (mUPD) genetic subtype, or have a disomic region, and all have a long history of psychotic illness. CONCLUSIONS The mortality rate in people with PWS seems to be declining. The subgroup of people with PWS due to UPD or disomic region with female gender and a history of psychosis may be at risk of early onset dementia.
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Affiliation(s)
- J E Whittington
- Department of Psychiatry, Section of Developmental Psychiatry,University of Cambridge,UK
| | - A J Holland
- Department of Psychiatry, Section of Developmental Psychiatry,University of Cambridge,UK
| | - T Webb
- Department of Psychiatry, Section of Developmental Psychiatry,University of Cambridge,UK
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Jørgensen AP, Ueland T, Sode-Carlsen R, Schreiner T, Rabben KF, Farholt S, Høybye C, Christiansen JS, Bollerslev J. Glucose homeostasis in adults with Prader-Willi syndrome during treatment with growth hormone: results from a 12-month prospective study. Growth Horm IGF Res 2014; 24:16-21. [PMID: 24360789 DOI: 10.1016/j.ghir.2013.11.002] [Citation(s) in RCA: 15] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 09/05/2013] [Revised: 11/12/2013] [Accepted: 11/25/2013] [Indexed: 12/30/2022]
Abstract
OBJECTIVES To investigate glucose homeostasis in relation to body mass index (BMI) in adults with PWS before and after GH therapy. DESIGN We prospectively investigated the effects of a 12-month GH treatment on body composition and glucose homeostasis in relation to BMI in 39 adults, mean (±SD) age=28.6 (6.5) years with genetically verified PWS. We compared the results for different BMI categories (<25 kg/m²; 25-30 kg/m²; >30 kg/m²) and performed a regression analysis to detect predictors for homeostasis model of assessment-insulin resistance (HOMA-IR). RESULTS The baseline HOMA-IR was higher, with BMI of >30 kg/m². Our main findings were as follows: i) GH treatment (mean final dose, 0.6 (0.25) mg) was associated with small increases in fasting p-glucose, 2-h p-glucose by oral glucose load tolerance test, HOMA-IR and lean mass, and a reduction in fat mass. ii) Whereas the baseline HOMA-IR was associated with increased BMI (>30 kg/m²), we found no differences in HOMA-IR among the BMI categories after 12 months of GH. iii) Stepwise linear regression identified the triglyceride level as the strongest predictor of HOMA-IR at baseline, whereas an increase in VAT was the strongest predictor of the increase in HOMA-IR after therapy. CONCLUSIONS GH treatment for 12 months in adults with PWS resulted in an increase in HOMA-IR, irrespective of BMI, confirming that control of HbA1c is essential during GH treatment in PWS.
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Affiliation(s)
- Anders Palmstrøm Jørgensen
- Section of Specialized Endocrinology, Department of Endocrinology, Oslo University Hospital, Rikshospitalet, Oslo, Norway.
| | - Thor Ueland
- Research Institute for Internal Medicine, Faculty of Medicine, University of Oslo, Norway; Faculty of Medicine, University of Oslo, Oslo, Norway
| | - Rasmus Sode-Carlsen
- Centre for Rare Diseases, Department of Pediatrics, Aarhus University Hospital Skejby, Aarhus N, Denmark
| | - Thomas Schreiner
- Section of Specialized Endocrinology, Department of Endocrinology, Oslo University Hospital, Rikshospitalet, Oslo, Norway
| | | | - Stense Farholt
- Centre for Rare Diseases, Department of Pediatrics, Aarhus University Hospital Skejby, Aarhus N, Denmark
| | - Charlotte Høybye
- Department of Endocrinology, Metabolism and Diabetology, Karolinska University Hospital, Stockholm, Sweden
| | | | - Jens Bollerslev
- Section of Specialized Endocrinology, Department of Endocrinology, Oslo University Hospital, Rikshospitalet, Oslo, Norway; Faculty of Medicine, University of Oslo, Oslo, Norway
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Abstract
Prader Willi syndrome (PWS) is a genetic condition caused by loss of the paternal copy of a region of imprinted genes on chromosome 15. There is severe muscular hypotonia in the neonatal period, with the onset of hyperphagia and food-seeking behaviour in childhood. All individuals with PWS have developmental delay. Without careful control of food intake and the food environment, individuals with PWS become morbidly obese and are likely to die as young adults from the complications of obesity. The aims of growth hormone (GH) treatment in PWS are distinct from the use of GH in other conditions-although GH does increase final height in PWS, the main benefits of treatment are improved body composition and better exercise capacity, which can help with the aim of preventing obesity. GH trials in PWS have demonstrated improved muscle bulk, reduced fat mass and increased levels of physical activity. GH has also been demonstrated to improve attainment of developmental and cognitive milestones in children with PWS. GH treatment appears to change respiratory status in PWS, possibly because of growth of lymphoid tissue at the start of treatment. Respiratory assessment is recommended prior to, and just after starting GH treatment. Ideal age for starting GH is not clear, although there has been a trend towards starting at younger ages. It may be that GH treatment in childhood confers benefits into adult life. There are less data to support continuing GH treatment into adult life.
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