1
|
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.
Collapse
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
| |
Collapse
|
2
|
Panfili FM, Convertino A, Grugni G, Mazzitelli L, Bocchini S, Crinò A, Campana G, Cappa M, Delvecchio M, Faienza MF, Licenziati MR, Mariani M, Osimani S, Pajno R, Patti G, Rutigliano I, Sacco M, Scarano E, Fintini D. Multicentric Italian case-control study on 25OH vitamin D levels in children and adolescents with Prader-Willi syndrome. J Endocrinol Invest 2023:10.1007/s40618-022-01990-5. [PMID: 36708456 DOI: 10.1007/s40618-022-01990-5] [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: 09/16/2022] [Accepted: 12/09/2022] [Indexed: 01/29/2023]
Abstract
PURPOSE 25OHD levels in patients with Prader-Willi Syndrome (PWS), the most frequent cause of genetic obesity with a peculiar fat mass distribution, are still debated. Insulin resistance (IR), Body Mass Index-SDS (BMI-SDS), Growth Hormone Therapy (GHT), and puberty onset seem to interact with 25OHD levels. The objectives of the study are: (1) To analyze 25OHD levels in pediatric PWS patients in comparison with a control group (CNT) (2) To evaluate a possible correlation between BMI-SDS, HOMA-IR, puberty, GHT, and 25OHD levels. METHODS This is a retrospective case-control, multicenter study. Data were collected among 8 different Italian Hospitals (outpatient clinics), over a period of four years (2016-2020). We included 192 genetically confirmed PWS and 192 CNT patients, aged 3-18 years, matched 1:1 for age, gender, BMI-SDS, Tanner stage, sun exposure, and month of recruitment. RESULTS No statistically significant differences in 25OHD levels were observed between the PWS population and the CNT (PWS 24.0 ng/mL vs CNT 22.5 ng/mL, p > 0.05), OR = 0.89 (95% CI 0.58-1.35). We observed a slight, although non-significant, reduction in 25OHD levels comparing NW and OB populations. HOMA-IR, puberty onset, genotype and GHT (previous or ongoing) did not show statistically significant correlation with 25OHD levels. CONCLUSIONS Our findings could be useful for clinicians to optimize the therapeutic management as well as to increase awareness of PWS.
Collapse
Affiliation(s)
| | - A Convertino
- Prader Willi Reference Center, Endocrinology Unit, Pediatric University Department, Bambino Gesù Children Hospital, Via Torre di Palidoro, 00050, Palidoro, Rome, Italy
| | - G Grugni
- Auxology Division, Istituto Auxologico Italiano IRCCS, Piancavallo di Oggebbio, Verbania, Italy
| | - L Mazzitelli
- Prader Willi Reference Center, Endocrinology Unit, Pediatric University Department, Bambino Gesù Children Hospital, Via Torre di Palidoro, 00050, Palidoro, Rome, Italy
| | - S Bocchini
- Prader Willi Reference Center, Endocrinology Unit, Pediatric University Department, Bambino Gesù Children Hospital, Via Torre di Palidoro, 00050, Palidoro, Rome, Italy
| | - A Crinò
- Prader Willi Reference Center, Endocrinology Unit, Pediatric University Department, Bambino Gesù Children Hospital, Via Torre di Palidoro, 00050, Palidoro, Rome, Italy
| | - G Campana
- Prader Willi Reference Center, Endocrinology Unit, Pediatric University Department, Bambino Gesù Children Hospital, Via Torre di Palidoro, 00050, Palidoro, Rome, Italy
| | - M Cappa
- Prader Willi Reference Center, Endocrinology Unit, Pediatric University Department, Bambino Gesù Children Hospital, Via Torre di Palidoro, 00050, Palidoro, Rome, Italy
| | - M Delvecchio
- Metabolic and Genetic Disease Unit, Pediatric Hospital Giovanni XXIII, Bari, Italy
| | - M F Faienza
- Department of Biomedical Science and Human Oncology Department, A. Moro University, Bari, Italy
| | - M R Licenziati
- Obesity and Endocrine Diseases Unit, Neuroscience and Rehabilitation Department, Santobono-Pausilipon Hospital, Naples, Italy
| | - M Mariani
- Prader Willi Reference Center, Endocrinology Unit, Pediatric University Department, Bambino Gesù Children Hospital, Via Torre di Palidoro, 00050, Palidoro, Rome, Italy
| | - S Osimani
- Pediatric Unit, IRCCS San Raffaele, Milan, Italy
| | - R Pajno
- Pediatric Unit, IRCCS San Raffaele, Milan, Italy
| | - G Patti
- Pediatric Department, Gaslini Hospital, Genoa, Italy
- Department of Neuroscience, Rehabilitation, Ophthalmology, Genetics, Maternal and Child Health-University of Genova, Genoa, Italy
| | - I Rutigliano
- Pediatric Unit, "Casa Sollievo della Sofferenza" Hospital, San Giovanni Rotondo, Foggia, Italy
| | - M Sacco
- Pediatric Unit, "Casa Sollievo della Sofferenza" Hospital, San Giovanni Rotondo, Foggia, Italy
| | - E Scarano
- Rare Disease Unit, Pediatric Unit, Sant'Orsola Hospital, Bologna, Italy
| | - D Fintini
- Prader Willi Reference Center, Endocrinology Unit, Pediatric University Department, Bambino Gesù Children Hospital, Via Torre di Palidoro, 00050, Palidoro, Rome, Italy.
| |
Collapse
|
3
|
Kraan CM, Date P, Rattray A, Sangeux M, Bui QM, Baker EK, Morison J, Amor DJ, Godler DE. Feasibility of wearable technology for 'real-world' gait analysis in children with Prader-Willi and Angelman syndromes. JOURNAL OF INTELLECTUAL DISABILITY RESEARCH : JIDR 2022; 66:717-725. [PMID: 35713265 DOI: 10.1111/jir.12955] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 10/24/2021] [Revised: 02/24/2022] [Accepted: 05/25/2022] [Indexed: 06/15/2023]
Abstract
BACKGROUND Prader-Willi syndrome (PWS) and Angelman syndrome (AS) are neurodevelopmental disorders in need of innovative 'real-world' outcome measures to evaluate treatment effects. Instrumented gait analysis (IGA) using wearable technology offers a potentially feasible solution to measure "real-world' neurological and motor dysfunction in these groups. METHODS Children (50% female; 6-16 years) diagnosed with PWS (n = 9) and AS (n = 5) completed 'real-world' IGA assessments using the Physilog®5 wearable. PWS participants completed a laboratory assessment and a 'real-world' long walk. The AS group completed 'real-world' caregiver-assisted assessments. Mean and variability results for stride time, cadence, stance percentage (%) and stride length were extracted and compared across three different data reduction protocols. RESULTS The wearables approach was found to be feasible, with all participants able to complete at least one assessment. This study also demonstrated significant agreement, using Lin's concordance correlation coefficient (CCC), between laboratory and 'real-world' assessments in the PWS group for mean stride length, mean stance % and stance % CV (n = 7, CCC: 0.782-0.847, P = 0.011-0.009). CONCLUSION 'Real-world' gait analysis using the Physilog®5 wearable was feasible to efficiently assess neurological and motor dysfunction in children affected with PWS and AS.
Collapse
Affiliation(s)
- C M Kraan
- Diagnosis and Development, Murdoch Children's Research Institute, Royal Children's Hospital, Melbourne, Victoria, Australia
- Department of Paediatrics, University of Melbourne, Parkville, Victoria, Australia
| | - P Date
- Diagnosis and Development, Murdoch Children's Research Institute, Royal Children's Hospital, Melbourne, Victoria, Australia
| | - A Rattray
- Diagnosis and Development, Murdoch Children's Research Institute, Royal Children's Hospital, Melbourne, Victoria, Australia
| | - M Sangeux
- Department of Paediatrics, University of Melbourne, Parkville, Victoria, Australia
- Laboratory for Movement Analysis, University Children's Hospital Basel, Basel, Switzerland
| | - Q M Bui
- Centre for Epidemiology and Biostatistics, Melbourne School of Population and Global Health, University of Melbourne, Melbourne, Victoria, Australia
| | - E K Baker
- Diagnosis and Development, Murdoch Children's Research Institute, Royal Children's Hospital, Melbourne, Victoria, Australia
- Department of Paediatrics, University of Melbourne, Parkville, Victoria, Australia
| | - J Morison
- Diagnosis and Development, Murdoch Children's Research Institute, Royal Children's Hospital, Melbourne, Victoria, Australia
| | - D J Amor
- Department of Paediatrics, University of Melbourne, Parkville, Victoria, Australia
- Neurodisability and Rehabilitation, Murdoch Children's Research Institute, Royal Children's Hospital, Melbourne, Victoria, Australia
| | - D E Godler
- Diagnosis and Development, Murdoch Children's Research Institute, Royal Children's Hospital, Melbourne, Victoria, Australia
- Department of Paediatrics, University of Melbourne, Parkville, Victoria, Australia
| |
Collapse
|
4
|
Pamukoff DN, Holmes SC, Shumski EJ, Garcia SA, Rubin DA. Plantar Flexor Function in Adults with and without Prader-Willi Syndrome. Med Sci Sports Exerc 2021; 52:2189-2197. [PMID: 32936593 DOI: 10.1249/mss.0000000000002361] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/24/2022]
Abstract
PURPOSE Prader-Willi Syndrome (PWS) is a form of congenital obesity characterized by excessive body fat, hypotonia, muscle weakness, and physical/cognitive disability. However, the sources of muscle dysfunction and their contribution to mobility are unclear. The purposes of this study were to 1) compare plantar flexor function between adults with and without PWS; and 2) to examine the relationship between plantar flexor function and gait speed in adults with PWS. METHODS Participants included 10 adults with PWS, 10 adults without PWS and with obesity, and 10 adults without PWS and without obesity (matched on age and sex). Plantar flexor function was assessed using isokinetic dynamometry (peak torque [PT], early/late rate of torque development [RTD]), Hoffman reflex (H/M ratio), ultrasound imaging (cross-sectional area [CSA], echo intensity, pennation angle, and fascicle length), and peak propulsive force and plantar flexor moment during gait. Outcomes were compared between groups using one-way MANOVA. Associations between plantar flexor outcomes and gait speed were assessed using Pearson correlation in the PWS group. RESULTS Adults with PWS had lower absolute and normalized early RTD, and lower H/M ratio than controls with and without obesity; lower absolute PT and late RTD than controls with obesity (all P < 0.05). Cross-sectional area, propulsive force, and plantarflexor moment were lower, and echo intensity was higher, in adults with PWS compared with controls without obesity (all P < 0.05). Greater absolute PT (r = 0.64), absolute early RTD (r = 0.62), absolute late RTD (r = 0.64), gastrocnemii CSA (r = 0.55), and propulsive force (r = 0.58) were associated with faster gait speed (all P < 0.05). CONCLUSIONS Adults with PWS have impaired plantar flexor function likely attributable to reduced neuromuscular function and altered muscle morphology, which are associated with slower gait speeds.
Collapse
Affiliation(s)
- Derek N Pamukoff
- Department of Kinesiology, California State University, Fullerton, CA
| | - Skylar C Holmes
- Department of Kinesiology, University of Massachusetts, Amherst, MA
| | - Eric J Shumski
- Department of Kinesiology, California State University, Fullerton, CA
| | - Steven A Garcia
- School of Kinesiology, University of Michigan, Ann Arbor, MI
| | - Daniela A Rubin
- Department of Kinesiology, California State University, Fullerton, CA
| |
Collapse
|
5
|
Rubin DA, Wilson KS, Orsso CE, Gertz ER, Haqq AM, Castner DM, Dumont-Driscoll M. A 24-Week Physical Activity Intervention Increases Bone Mineral Content without Changes in Bone Markers in Youth with PWS. Genes (Basel) 2020; 11:genes11090984. [PMID: 32847020 PMCID: PMC7564578 DOI: 10.3390/genes11090984] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/21/2020] [Revised: 08/17/2020] [Accepted: 08/19/2020] [Indexed: 11/16/2022] Open
Abstract
Bone mineral density (BMD) is of concern in Prader-Willi syndrome (PWS). This study compared responses to a physical activity intervention in bone parameters and remodeling markers in youth with PWS (n = 45) and youth with non-syndromic obesity (NSO; n = 66). Measurements occurred at baseline (PRE) and after 24 weeks (POST) of a home-based active games intervention with strengthening and jumping exercises (intervention group = I) or after a no-intervention period (control group = C). Dual x-ray absorptiometry scans of the hip and lumbar spine (L1-L4) determined BMD and bone mineral content (BMC). Bone markers included fasting bone-specific alkaline phosphatase (BAP) and C-terminal telopeptide of type I collagen (CTx). Both I and C groups increased their hip BMD and BMC (p < 0.001). Youth with PWS-I increased their spine BMC from PRE to POST (p < 0.001) but not youth with PWS-C (p = 1.000). Youth with NSO (I and C) increased their spine BMC between PRE and POST (all p < 0.001). Youth with PWS showed lower BAP (108.28 ± 9.19 vs. 139.07 ± 6.41 U/L; p = 0.006) and similar CTx (2.07 ± 0.11 vs.1.84 ± 0.14 ng/dL; p = 0.193) than those with NSO regardless of time. Likely, the novelty of the intervention exercises for those with PWS contributed to gains in spine BMC beyond growth. Bone remodeling markers were unaltered by the intervention.
Collapse
Affiliation(s)
- Daniela A. Rubin
- Department of Kinesiology, California State University Fullerton, 800 N. State College Blvd., Fullerton, CA 92831, USA; (K.S.W.); (D.M.C.)
- Correspondence: ; Tel.: +1-657-278-4704
| | - Kathleen S. Wilson
- Department of Kinesiology, California State University Fullerton, 800 N. State College Blvd., Fullerton, CA 92831, USA; (K.S.W.); (D.M.C.)
| | - Camila E. Orsso
- Department of Agricultural, Food, and Nutritional Science, University of Alberta, 8602 112 Street, Edmonton, AB T6G 2E1, Canada; (C.E.O.); (A.M.H.)
| | - Erik R. Gertz
- Obesity and Metabolism Unit, Western Human Nutrition Research Center, U.S. Department of Agriculture, 430 W Health Sciences Drive, Davis, CA 95616, USA;
| | - Andrea M. Haqq
- Department of Agricultural, Food, and Nutritional Science, University of Alberta, 8602 112 Street, Edmonton, AB T6G 2E1, Canada; (C.E.O.); (A.M.H.)
- Division of Pediatric Endocrinology, University of Alberta, 8440-112 Street, Edmonton, AB T6G 2B7, Canada
| | - Diobel M. Castner
- Department of Kinesiology, California State University Fullerton, 800 N. State College Blvd., Fullerton, CA 92831, USA; (K.S.W.); (D.M.C.)
| | - Marilyn Dumont-Driscoll
- Academic General Pediatrics, University of Florida, Gainesville, 1699 SW 16th Avenue, Gainesville, FL 32608, USA;
| |
Collapse
|
6
|
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.
Collapse
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
| |
Collapse
|
7
|
Palmieri VV, Lonero A, Bocchini S, Cassano G, Convertino A, Corica D, Crinò A, Fattorusso V, Ferraris S, Fintini D, Franzese A, Grugni G, Iughetti L, Lia R, Macchi F, Madeo SF, Matarazzo P, Nosetti L, Osimani S, Pajno R, Patti G, Pellegrin MC, Perri A, Ragusa L, Rutigliano I, Sacco M, Salvatoni A, Scarano E, Stagi S, Tornese G, Trifirò G, Wasniewska M, Fischetto R, Giordano P, Licenziati MR, Delvecchio M. Uniparental disomy and pretreatment IGF-1 may predict elevated IGF-1 levels in Prader-Willi patients on GH treatment. Growth Horm IGF Res 2019; 48-49:9-15. [PMID: 31487604 DOI: 10.1016/j.ghir.2019.08.003] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 05/04/2019] [Revised: 08/09/2019] [Accepted: 08/26/2019] [Indexed: 10/26/2022]
Abstract
Pediatric patients with Prader-Willi syndrome (PWS) can be treated with recombinant human GH (rhGH). These patients are highly sensitive to rhGH and the standard doses suggested by the international guidelines often result in IGF-1 above the normal range. We aimed to evaluate 1 the proper rhGH dose to optimize auxological outcomes and to avoid potential overtreatment, and 2 which patients are more sensitive to rhGH. In this multicenter real-life study, we recruited 215 patients with PWS older than 1 year, on rhGH at least for 6 months, from Italian Centers for PWS care. We collected auxological parameters, rhGH dose, IGF-1 at recruitment and (when available) at start of treatment. The rhGH dose was 4.3 (0.7/8.4) mg/m2/week. At recruitment, IGF-1 was normal in 72.1% and elevated in 27.9% of the patients. In the group of 115 patients with IGF-1 available at start of rhGH, normal pretreatment IGF-1 and uniparental disomy were associated with elevated IGF-1 during the therapy. No difference in height and growth velocity was found between patients treated with the highest and the lowest range dose. The rhGH dose prescribed in Italy seems lower than the recommended one. Normal pretreatment IGF-1 and uniparental disomy are risk factors for elevated IGF-1. The latter seems to be associated with higher sensitivity to GH. In case of these risk factors, we recommend a more accurate titration of the dose to avoid overtreatment and its potential side effects.
Collapse
Affiliation(s)
- Viviana Valeria Palmieri
- Department of Biomedicine and Human Oncology, Pediatric Section, University A. Moro, Bari, Italy
| | | | - Sarah Bocchini
- Reference Center for Prader-Willi syndrome, Bambino Gesù Hospital, Research Hospital, Roma, Italy
| | - Gilda Cassano
- Department of Pediatrics, IRCCS San Raffaele Scientific Institute, Vita-Salute San Raffaele University, Milan, Italy
| | - Alessio Convertino
- Reference Center for Prader-Willi syndrome, Bambino Gesù Hospital, Research Hospital, Roma, Italy
| | - Domenico Corica
- Department of Human Pathology of Adulthood and Childhood, University of Messina, Italy
| | - Antonio Crinò
- Reference Center for Prader-Willi syndrome, Bambino Gesù Hospital, Research Hospital, Roma, Italy
| | | | - Silvio Ferraris
- Department of Pediatric Endocrinology, Regina Margherita Children's Hospital, University of Torino, Torino, Italy
| | - Danilo Fintini
- Reference Center for Prader-Willi syndrome, Bambino Gesù Hospital, Research Hospital, Roma, Italy
| | - Adriana Franzese
- Department of Translational Sciences, University Federico II, Naples, Italy
| | - Graziano Grugni
- Division of Auxology, Italian Auxological Institute, Research Institute, Piancavallo, Verbania, Italy
| | - Lorenzo Iughetti
- Department of Medical and Surgical Sciences of the Mother, Children and Adults, University of Modena and Reggio Emilia, Modena, Italy
| | | | - Francesca Macchi
- Department of Medicine and Surgery, University of Insubria, Varese, Italy
| | - Simona Filomena Madeo
- Department of Medical and Surgical Sciences of the Mother, Children and Adults, University of Modena and Reggio Emilia, Modena, Italy
| | - Patrizia Matarazzo
- Department of Pediatric Endocrinology, Regina Margherita Children's Hospital, University of Torino, Torino, Italy
| | - Luana Nosetti
- Department of Medicine and Surgery, University of Insubria, Varese, Italy
| | - Sara Osimani
- Department of Pediatrics, IRCCS San Raffaele Scientific Institute, Vita-Salute San Raffaele University, Milan, Italy
| | - Roberta Pajno
- Department of Pediatrics, IRCCS San Raffaele Scientific Institute, Vita-Salute San Raffaele University, Milan, Italy
| | - Giuseppa Patti
- Department of Pediatrics, Giannina Gaslini Institute, Genoa, Italy
| | | | - Annamaria Perri
- Rare Diseases Unit Pediatric Department, University of Bologna, Bologna, Italy
| | | | - Irene Rutigliano
- Department of Pediatrics, IRCCS Casa Sollievo della Sofferenza, San Giovanni Rotondo, Italy
| | - Michele Sacco
- Department of Pediatrics, IRCCS Casa Sollievo della Sofferenza, San Giovanni Rotondo, Italy
| | | | - Emanuela Scarano
- Rare Diseases Unit Pediatric Department, University of Bologna, Bologna, Italy
| | - Stefano Stagi
- Anna Meyer Children's University Hospital, Florence, Italy
| | - Gianluca Tornese
- Institute for Maternal and Child Health, IRCCS "Burlo Garofolo", Trieste, Italy
| | | | - Malgorzata Wasniewska
- Department of Human Pathology of Adulthood and Childhood, University of Messina, Italy
| | - Rita Fischetto
- Metabolic Diseases, Clinical Genetics and Diabetology Unit, Giovanni XXIII Children's Hospital, Bari, Italy
| | - Paola Giordano
- Department of Biomedicine and Human Oncology, Pediatric Section, University A. Moro, Bari, Italy
| | - Maria Rosaria Licenziati
- Obesity and Endocrine disease Unit, Department of Neurosciences, Santobono-Pausilipon Children's Hospital, Naples, Italy
| | - Maurizio Delvecchio
- Metabolic Diseases, Clinical Genetics and Diabetology Unit, Giovanni XXIII Children's Hospital, Bari, Italy.
| |
Collapse
|
8
|
Woods SG, Knehans A, Arnold S, Dionne C, Hoffman L, Turner P, Baldwin J. The associations between diet and physical activity with body composition and walking a timed distance in adults with Prader-Willi syndrome. Food Nutr Res 2018; 62:1343. [PMID: 29942245 PMCID: PMC6010474 DOI: 10.29219/fnr.v62.1343] [Citation(s) in RCA: 15] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/03/2018] [Revised: 05/01/2018] [Accepted: 05/07/2018] [Indexed: 12/01/2022] Open
Abstract
Background Research on aging in Prader–Willi syndrome (PWS) is limited, although people with PWS are living longer. Individuals with PWS present with high fat mass, low lean mass, and low levels of physical activity (PA). Previous reports in children and young adults with PWS show inadequate nutrient intake and body fat percentage indicating obesity. Previous studies in PWS rarely included individuals beyond young adulthood, especially studies conducted in the United States. This study includes adults from 18 to 62 years of age, and includes 19 of the estimated 60 adult individuals with PWS in Oklahoma. Because individuals with PWS are living longer, information must be provided on aging with PWS. This study is a report of the initial data for a planned longitudinal study on aging with PWS. Objective Determine associations between body composition, diet, PA, and a timed walk for adults with PWS, and to assess adequacy of dietary intake for those individuals aging with PWS. Design This cross-sectional investigation determined dietary habits, PA, and body composition of adults with PWS, and tested associations between these variables. Results Participants ranged in age from 18 to 62 years. They had healthier body composition, at 26.8% body fat, than previously reported. Mean body mass index (BMI) was in the overweight range at 26.7. Those who consumed higher amounts of fat (as a percent of total kilocalories) had statistically significant lower body fat percentage, but this may simply reflect that individuals with lower body fat percentages felt freer to consume fat. Mean steps taken per day was 7631.7 steps but only 16% of participants met healthy PA recommendations despite participating in daily structured exercise. All participants’ diets met Dietary Guidelines for macronutrient distribution, but 80% were deficient in calcium, 100% were deficient in dietary vitamin D, and 87% were deficient in fiber. Sample size was small, so it was difficult to reach statistical significance, despite seeing clinical significance. Conclusions Recommend working toward healthy PA recommendations for all age groups by decreasing time in sedentary activity. Recommend increasing vitamin A and D fortified dairy products and high-fiber foods, and consider dietary supplementation, especially for calcium, vitamin D, and fiber.
Collapse
Affiliation(s)
- Susan G Woods
- Department of Nutritional Sciences, University of Oklahoma Health Sciences Center, Oklahoma City, OK, USA
| | - Allen Knehans
- Department of Nutritional Sciences, University of Oklahoma Health Sciences Center, Oklahoma City, OK, USA
| | - Sandra Arnold
- Department of Rehabilitation Sciences, University of Oklahoma Health Sciences Center, Oklahoma City, OK, USA
| | - Carol Dionne
- Department of Rehabilitation Sciences, University of Oklahoma Health Sciences Center, Oklahoma City, OK, USA
| | - Leah Hoffman
- Department of Nutritional Sciences, University of Oklahoma Health Sciences Center, Oklahoma City, OK, USA
| | - Peggy Turner
- Department of Nutritional Sciences, University of Oklahoma Health Sciences Center, Oklahoma City, OK, USA
| | - Jonathan Baldwin
- Department of Medical Imaging and Radiation Sciences, University of Oklahoma Health Sciences Center, Oklahoma City, OK, USA
| |
Collapse
|
9
|
Viardot A, Purtell L, Nguyen TV, Campbell LV. Relative Contributions of Lean and Fat Mass to Bone Mineral Density: Insight From Prader-Willi Syndrome. Front Endocrinol (Lausanne) 2018; 9:480. [PMID: 30186239 PMCID: PMC6113716 DOI: 10.3389/fendo.2018.00480] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 01/25/2018] [Accepted: 08/02/2018] [Indexed: 11/13/2022] Open
Abstract
Context: Low bone mineral density (BMD) is the most important risk factor for fragility fracture. Body weight is a simple screening predictor of difference in BMD between individuals. However, it is not clear which component of body weight, lean (LM), or fat mass (FM), is associated with BMD. People with the genetic disorder of Prader-Willi syndrome (PWS) uniquely have a reduced LM despite increased FM. Objective: We sought to define the individual impact of LM and FM on BMD by investigating subjects with and without PWS. Design, Setting and Participants: This cross-sectional study was conducted at the Clinical Research Facility of the Garvan Institute of Medical Research, with PWS and control participants recruited from a specialized PWS clinic and from the general public by advertisement, respectively. The study involved 11 adults with PWS, who were age- and sex-matched with 12 obese individuals (Obese group) and 10 lean individuals (Lean group). Main Outcome Measures: Whole body BMD was measured by dual-energy X-ray absorptiometry. Total body FM and LM were derived from the whole body scan. Differences in BMD between groups were assessed by the analysis of covariance model, taking into account the effects of LM and FM. Results: The PWS group had significantly shorter height than the lean and obese groups. As expected, there was no significant difference in FM between the Obese and PWS group, and no significant difference in LM between the Lean and PWS group. However, obese individuals had greater LM than lean individuals. BMD in lean individuals was significantly lower than in PWS individuals (1.13 g/cm2 vs. 1.21 g/cm2, p < 0.05) and obese individuals (1.13 g/cm2 vs. 1.25 g/cm2, p < 0.05). After adjusting for both LM and FM, there was no significant difference in BMD between groups, and the only significant predictor of BMD was LM. Conclusions: These data from the human genetic model Prader-Willi syndrome suggest that LM is a stronger determinant of BMD than fat mass.
Collapse
Affiliation(s)
- Alexander Viardot
- Diabetes and Metabolism Division, Garvan Institute of Medical Research, Darlinghurst, NSW, Australia
- Department of Endocrinology, St Vincent's Hospital Sydney, Darlinghurst, NSW, Australia
- St Vincent's Clinical School, Faculty of Medicine, University of New South Wales, Sydney, NSW, Australia
- *Correspondence: Alexander Viardot
| | - Louise Purtell
- Diabetes and Metabolism Division, Garvan Institute of Medical Research, Darlinghurst, NSW, Australia
| | - Tuan V. Nguyen
- St Vincent's Clinical School, Faculty of Medicine, University of New South Wales, Sydney, NSW, Australia
- Bone Biology Division, Garvan Institute of Medical Research, Darlinghurst, NSW, Australia
- School of Biomedical Engineering, University of Technology Sydney, Ultimo, NSW, Australia
| | - Lesley V. Campbell
- Diabetes and Metabolism Division, Garvan Institute of Medical Research, Darlinghurst, NSW, Australia
- Department of Endocrinology, St Vincent's Hospital Sydney, Darlinghurst, NSW, Australia
- St Vincent's Clinical School, Faculty of Medicine, University of New South Wales, Sydney, NSW, Australia
| |
Collapse
|
10
|
Rubin DA, Clark SJ, Haqq AM, Castner DM, Ng J, Judelson DA. Hormonal and Metabolic Responses to a Single Bout of Resistance Exercise in Prader-Willi Syndrome
. Horm Res Paediatr 2017; 87:153-161. [PMID: 28253507 DOI: 10.1159/000454805] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 06/22/2016] [Accepted: 11/28/2016] [Indexed: 01/15/2023] Open
Abstract
BACKGROUND Prader-Willi syndrome (PWS) is characterized by excessive adiposity. Excess adiposity negatively affects hormonal and metabolic responses to aerobic exercise. This study determined whether PWS and/or adiposity affected hormonal and metabolic responses to resistance exercise. METHODS Eleven children with PWS (11.4 ± 3.1 years, 43.9 ± 7.5% body fat), 12 lean children (9.3 ± 1.4 years, 18.3 ± 4.9% body fat), and 13 obese children (9.6 ± 1.3 years, 40.3 ± 5.2% body fat) participated. The children stepped onto an elevated platform while wearing a weighted vest for 6 sets of 10 repetitions per leg (sets separated by 1 min of rest). For the children with PWS, the platform height was 23.0 cm and vest load was computed as (20% of stature × 50% of lean body mass)/23.0 cm. For the controls, the platform height was 20% of the stature and vest load 50% of the lean body mass. Blood samples were obtained before, immediately after, and during recovery from exercise (+15, +30, and +60 min). RESULTS All groups had similar catecholamine, insulin, and glucagon responses. The groups showed no major differences in glucose and lactate levels. The PWS children demonstrated earlier increases in fatty acids during recovery and higher glycerol and ketone levels than the controls. CONCLUSION The PWS children demonstrated largely intact hormonal, glycolytic, and lipolytic responses to lower-body resistance exercise. In PWS, elevated ketone levels suggest an incomplete fat oxidation.
.
Collapse
|
11
|
Orsso CE, Mackenzie M, Alberga AS, Sharma AM, Richer L, Rubin DA, Prado CM, Haqq AM. The use of magnetic resonance imaging to characterize abnormal body composition phenotypes in youth with Prader-Willi syndrome. Metabolism 2017; 69:67-75. [PMID: 28285653 DOI: 10.1016/j.metabol.2017.01.020] [Citation(s) in RCA: 14] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 08/09/2016] [Revised: 01/10/2017] [Accepted: 01/11/2017] [Indexed: 01/02/2023]
Abstract
INTRODUCTION Magnetic resonance imaging (MRI) provides detailed assessment of body composition compartments. No studies have employed state-of-the-art MRI methods to accurately examine abdominal adipose tissue (AT) and skeletal muscle in youth with Prader-Willi syndrome (PWS). Therefore, this study aimed to describe AT distribution and skeletal muscle in the abdominal region of youth with PWS using MRI. METHODS Anthropometric measures and whole-abdominal T1-weighted MRI were performed in sixteen (5 males and 11 females) youth diagnosed with PWS, and seventeen (10 males and 7 females) youth who did not have PWS (controls). Volume of subcutaneous, visceral, intermuscular, and total AT, and skeletal muscle in the abdominal region were quantified using a semiautomatic procedure. Results were summarized using median and interquartile range (IQR, 25th-75th), and ANCOVA test was used (with age and sex as covariates) to examine differences in body composition compartments between PWS and control group. RESULTS PWS group had similar age (10.5, 6.6-13.9 vs. 12.8, 10.0-14.4years; P=0.14) and BMI z-score (0.5, 0.2-1.3 vs. 0.2, -0.3 to 1.0; P=0.33) when compared with controls. Significant differences were observed in absolute volumes of total AT (PWS: 4.1, 2.0-6.6L; control: 2.9, 2.0-4.5L; P=0.01), subcutaneous AT (PWS: 2.8, 1.4-4.8L; control: 1.8, 1.1-3.2L; P=0.01), and intermuscular AT (PWS: 0.3, 0.1-0.4L; control: 0.3, 0.2-0.3L; P<0.005). Visceral AT/subcutaneous AT was lower in PWS (0.4, 0.3-0.5) compared to controls (0.5, 0.4-0.6), P=0.01. In addition, skeletal muscle volume was lower in PWS (1.5, 1.0-2.6L) compared to controls (3.1, 1.6-3.9L), P=0.03. Ratios of abdominal AT compartments to skeletal muscle were all higher in PWS compared to controls (all P<0.005). CONCLUSIONS PWS youth have greater abdominal adiposity, particularly subcutaneous AT and intermuscular AT, and lower volume of skeletal muscle compared to controls. The decreased ratio of visceral AT/subcutaneous AT in youth with PWS suggests an improved metabolic profile for the level of adiposity present; however, elevated ratios of AT to skeletal muscle suggest a sarcopenic obesity-like phenotype, which could lead to worse health outcomes.
Collapse
Affiliation(s)
- Camila E Orsso
- Department of Agricultural, Food and Nutritional Science, University of Alberta, 4-002 Li Ka Shing Centre, Edmonton, AB, Canada T6G 2E1; Department of Pediatrics, University of Alberta, 11405-87 Avenue, Edmonton, AB, Canada T6G 2R3
| | - Michelle Mackenzie
- Department of Pediatrics, University of Alberta, 11405-87 Avenue, Edmonton, AB, Canada T6G 2R3
| | - Angela S Alberga
- Department of Exercise Science, Concordia University, 7141 Sherbrooke Street West, Office SP-165.06, Montreal, QB, Canada H4B1R6
| | - Arya M Sharma
- Department of Medicine, 1-116 Li Ka Shing Centre for Health Research Innovation, University of Alberta, Edmonton, AB, Canada T6G 2E1
| | - Lawrence Richer
- Department of Pediatrics, University of Alberta, 11405-87 Avenue, Edmonton, AB, Canada T6G 2R3
| | - Daniela A Rubin
- Department of Kinesiology, California State University, Fullerton, 800 N. State College Blvd, CA 92834, USA
| | - Carla M Prado
- Department of Agricultural, Food and Nutritional Science, University of Alberta, 4-002 Li Ka Shing Centre, Edmonton, AB, Canada T6G 2E1
| | - Andrea M Haqq
- Department of Pediatrics, University of Alberta, 11405-87 Avenue, Edmonton, AB, Canada T6G 2R3.
| |
Collapse
|
12
|
Hangartner TN, Short DF, Eldar-Geva T, Hirsch HJ, Tiomkin M, Zimran A, Gross-Tsur V. Anthropometric adjustments are helpful in the interpretation of BMD and BMC Z-scores of pediatric patients with Prader-Willi syndrome. Osteoporos Int 2016; 27:3457-3464. [PMID: 27377921 DOI: 10.1007/s00198-016-3671-y] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 12/27/2015] [Accepted: 06/13/2016] [Indexed: 12/31/2022]
Abstract
UNLABELLED Anthropometric adjustments of bone measurements are necessary in Prader-Willi syndrome patients to correctly assess the bone status of these patients. This enables physicians to get a more accurate diagnosis of normal versus abnormal bone, allow for early and effective intervention, and achieve better therapeutic results. INTRODUCTION Bone mineral density (BMD) is decreased in patients with Prader-Willi syndrome (PWS). Because of largely abnormal body height and weight, traditional BMD Z-scores may not provide accurate information in this patient group. The goal of the study was to assess a cohort of individuals with PWS and characterize the development of low bone density based on two adjustment models applied to a dataset of BMD and bone mineral content (BMC) from dual-energy X-ray absorptiometry (DXA) measurements. METHODS Fifty-four individuals, aged 5-20 years with genetically confirmed PWS, underwent DXA scans of spine and hip. Thirty-one of them also underwent total body scans. Standard Z-scores were calculated for BMD and BMC of spine and total hip based on race, sex, and age for all patients, as well as of whole body and whole-body less head for those patients with total-body scans. Additional Z-scores were generated based on anthropometric adjustments using weight, height, and percentage body fat and a second model using only weight and height in addition to race, sex, and age. RESULTS As many PWS patients have abnormal anthropometrics, addition of explanatory variables weight, height, and fat resulted in different bone classifications for many patients. Thus, 25-70 % of overweight patients, previously diagnosed as normal, were subsequently diagnosed as below normal, and 40-60 % of patients with below-normal body height changed from below normal to normal depending on bone parameter. CONCLUSIONS This is the first study to include anthropometric adjustments into the interpretation of BMD and BMC in children and adolescents with PWS. This enables physicians to get a more accurate diagnosis of normal versus abnormal BMD and BMC and allows for early and effective intervention.
Collapse
Affiliation(s)
- T N Hangartner
- BioMedical Imaging Laboratory, Wright State University, 3640 Col Glenn Hwy, Dayton, OH, USA.
| | - D F Short
- BioMedical Imaging Laboratory, Wright State University, 3640 Col Glenn Hwy, Dayton, OH, USA
| | - T Eldar-Geva
- The National, Multi-disciplinary PWS Clinic, Shaare Zedek Medical Center, Jerusalem, Israel
- The Departments of Obstetrics and Gynecology, Shaare Zedek Medical Center, Jerusalem, Israel
- The Hebrew University Faculty of Medicine, Jerusalem, Israel
| | - H J Hirsch
- The National, Multi-disciplinary PWS Clinic, Shaare Zedek Medical Center, Jerusalem, Israel
| | - M Tiomkin
- Gaucher Clinic, Shaare Zedek Medical Center, Jerusalem, Israel
| | - A Zimran
- Gaucher Clinic, Shaare Zedek Medical Center, Jerusalem, Israel
- The Hebrew University Faculty of Medicine, Jerusalem, Israel
| | - V Gross-Tsur
- The National, Multi-disciplinary PWS Clinic, Shaare Zedek Medical Center, Jerusalem, Israel
- Neuropediatric Unit, Shaare Zedek Medical Center, P.O. Box 3235, Jerusalem, 9103102, Israel
- The Hebrew University Faculty of Medicine, Jerusalem, Israel
| |
Collapse
|
13
|
Lam MY, Rubin DA, Duran AT, Chavoya FA, White E, Rose DJ. A Characterization of Movement Skills in Obese Children With and Without Prader-Willi Syndrome. RESEARCH QUARTERLY FOR EXERCISE AND SPORT 2016; 87:245-253. [PMID: 27245849 DOI: 10.1080/02701367.2016.1182113] [Citation(s) in RCA: 10] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/05/2023]
Abstract
PURPOSE The aim of this study was twofold: (a) to measure and compare motor proficiency in obese children with Prader-Willi syndrome (OB-PWS) to that in obese children without PWS (OB), and (b) to compare motor proficiency in OB-PWS and OB to normative data. METHOD Motor proficiency was measured using the Bruininks-Oseretsky Test of Motor Proficiency-Second Edition-Complete Form, a norm-referenced assessment of motor function. Participants were 18 OB-PWS and 44 OB (8 to 11 years of age). The scores on the 8 subtests and the total motor composite were used to compare OB-PWS and OB. Furthermore, the scores on the 4 motor-area composites were used to compare OB-PWS and OB against normative data. RESULTS OB-PWS scored significantly lower than OB across all 8 subtests. OB-PWS also had significantly lower motor proficiency scores on all motor-area composites when compared with the normative sample. OB-PWS most frequently (67%-83%) scored well below average on the gross motor subtests. Although not as high as on the gross motor subtests, this finding also held true for the fine motor subtests with 39% to 45% of OB-PWS scoring well below average. CONCLUSION Motor proficiency is very poor in OB-PWS, in particular for gross motor skills. Physical, neurological, and developmental characteristics inherent to the syndrome may explain this low performance.
Collapse
|
14
|
Kamaludin AA, Smolarchuk C, Bischof JM, Eggert R, Greer JJ, Ren J, Lee JJ, Yokota T, Berry FB, Wevrick R. Muscle dysfunction caused by loss of Magel2 in a mouse model of Prader-Willi and Schaaf-Yang syndromes. Hum Mol Genet 2016; 25:3798-3809. [PMID: 27436578 DOI: 10.1093/hmg/ddw225] [Citation(s) in RCA: 30] [Impact Index Per Article: 3.8] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/09/2016] [Revised: 05/31/2016] [Accepted: 07/07/2016] [Indexed: 01/04/2023] Open
Abstract
Prader-Willi syndrome is characterized by severe hypotonia in infancy, with decreased lean mass and increased fat mass in childhood followed by severe hyperphagia and consequent obesity. Scoliosis and other orthopaedic manifestations of hypotonia are common in children with Prader-Willi syndrome and cause significant morbidity. The relationships among hypotonia, reduced muscle mass and scoliosis have been difficult to establish. Inactivating mutations in one Prader-Willi syndrome candidate gene, MAGEL2, cause a Prader-Willi-like syndrome called Schaaf-Yang syndrome, highlighting the importance of loss of MAGEL2 in Prader-Willi syndrome phenotypes. Gene-targeted mice lacking Magel2 have excess fat and decreased muscle, recapitulating altered body composition in Prader-Willi syndrome. We now demonstrate that Magel2 is expressed in the developing musculoskeletal system, and that loss of Magel2 causes muscle-related phenotypes in mice consistent with atrophy caused by altered autophagy. Magel2-null mice serve as a preclinical model for therapies targeting muscle structure and function in children lacking MAGEL2 diagnosed with Prader-Willi or Schaaf-Yang syndrome.
Collapse
Affiliation(s)
| | | | | | | | - John J Greer
- Department of Physiology, University of Alberta, Edmonton, AB, Canada
| | - Jun Ren
- Department of Physiology, University of Alberta, Edmonton, AB, Canada
| | | | | | - Fred B Berry
- Department of Medical Genetics
- Department of Surgery and
| | | |
Collapse
|
15
|
Duran AT, Wilson KS, Castner DM, Tucker JM, Rubin DA. Association between physical activity and bone in children with Prader-Willi syndrome. J Pediatr Endocrinol Metab 2016; 29:819-26. [PMID: 27159915 DOI: 10.1515/jpem-2015-0233] [Citation(s) in RCA: 11] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 06/19/2015] [Accepted: 03/29/2016] [Indexed: 11/15/2022]
Abstract
BACKGROUND The aim of the study was to determine if physical activity (PA) is associated with bone health in children with Prader-Willi syndrome (PWS). METHODS Participants included 23 children with PWS (age: 11.0±2.0 years). PA, measured by accelerometry, was categorized into light, moderate, vigorous and moderate plus vigorous intensities. Hip, total body minus the head (body), bone mineral content (BMC), bone mineral density (BMD) and BMD z-score (BMDz) were measured by dual X-ray absorptiometry. Separate hierarchical regression models were completed for all bone parameters, PA intensity and select covariates. RESULTS Moderate PA and select covariates explained the most variance in hip BMC (84.0%), BMD (61.3%) and BMDz (34.9%; p<0.05 for all). Likewise, for each body parameter, moderate PA and select covariates explained the most variance in body BMC (75.8%), BMD (74.4%) and BMDz (31.8%; p<0.05 for all). CONCLUSIONS PA of at least moderate intensity appears important for BMC and BMD in children with PWS.
Collapse
|
16
|
Rubin DA, Nowak J, McLaren E, Patiño M, Castner DM, Dumont-Driscoll MC. Nutritional intakes in children with Prader-Willi syndrome and non-congenital obesity. Food Nutr Res 2015; 59:29427. [PMID: 26652260 PMCID: PMC4676362 DOI: 10.3402/fnr.v59.29427] [Citation(s) in RCA: 10] [Impact Index Per Article: 1.1] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/14/2015] [Revised: 10/12/2015] [Accepted: 10/13/2015] [Indexed: 12/22/2022] Open
Abstract
BACKGROUND Individuals with Prader-Willi syndrome (PWS) have extremely regulated diets to prevent the development of morbid obesity. OBJECTIVE This study evaluated potential deficiencies in macro and micronutrients in a cohort of youth with PWS and compared them to a group of children with non-congenital obesity and to US national recommendations. DESIGN Participants were 32 youth with PWS (age=10.8±2.6 years, body fat=46.7±10.1%) and 48 children without PWS but classified as obese (age=9.7±1.2 years, body fat=43.4±5.7%). Participants' parents completed a training session on food recording before completing a 3-day food record during a typical week including a weekend day and two weekdays, as well as a screening form indicating nutritional supplements use. RESULTS Youth with PWS reported less calories (1,312±75 vs. 1,531±61 kcal, p=0.03), carbohydrate (175±10 vs. 203±8 g), and sugars (67±5 vs. 81±4 g; p=0.04 for both) than obese. Youth with PWS consumed more vegetables (1.1±0.1 vs. 0.6±0.1 cups) and more of them met the daily recommendation (p<0.01 for both). Likewise, youth with PWS consumed more calcium than obese (899±53 vs. 752±43 mg) and more of them met the recommended daily dose (p=0.04 for both). The majority of participants in this study did not meet the vitamin D recommendation. CONCLUSION Despite consuming less calories, youth with PWS had a similar proportion of macronutrients in their diet as children with obesity. Micronutrient deficiencies in calcium and vitamin D in youth with PWS were noted despite a third of youth with PWS consuming multivitamin supplements. Special attention must be paid to the diets of youth with PWS and with obesity to ensure they are meeting micronutrient needs during this period of growth and development.
Collapse
Affiliation(s)
- Daniela A Rubin
- Department of Kinesiology, California State University, Fullerton, CA, USA;
| | - Jill Nowak
- Department of Endocrinology, Children's Hospital of Orange County, Orange, CA, USA
| | - Erin McLaren
- Department of Kinesiology, California State University, Fullerton, CA, USA
| | - Monzeratt Patiño
- Department of Kinesiology, California State University, Fullerton, CA, USA
| | - Diobel M Castner
- Department of Kinesiology, California State University, Fullerton, CA, USA
| | | |
Collapse
|
17
|
Castner DM, Tucker JM, Wilson KS, Rubin DA. Patterns of habitual physical activity in youth with and without Prader-Willi Syndrome. RESEARCH IN DEVELOPMENTAL DISABILITIES 2014; 35:3081-3088. [PMID: 25129202 DOI: 10.1016/j.ridd.2014.07.035] [Citation(s) in RCA: 37] [Impact Index Per Article: 3.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 06/04/2014] [Revised: 07/14/2014] [Accepted: 07/15/2014] [Indexed: 06/03/2023]
Abstract
Children classified as overweight or obese and those with disabilities are at a greater risk of not meeting the minimum recommendation of 60 min a day of moderate to vigorous physical activity (PA). Youth with Prader-Willi Syndrome (PWS) appear to participate in less PA compared to nonsyndromal children, likely due to syndrome-related factors. However, description of PA patterns in youth with PWS is lacking. The purpose of this study was to characterize PA in youth with PWS and to compare it to PA in children with nonsyndromal obesity. Twenty-four youth with PWS (ages 8-16 years) and 40 obese children without PWS (OB) (ages 8-11 years) wore accelerometers for eight consecutive days. Data were screened for compliance and classified into PA intensities: sedentary behavior (SED), light (LPA), moderate (MPA), vigorous (VPA) and moderate plus vigorous (MVPA). Youth with PWS spent 19.4% less time in weekly LPA (p=0.007) and 29.8% less time in weekly VPA compared to OB controls (p=0.036). All other intensities were similar between groups. In addition, PWS participated in less LPA and VPA during the weekends compared to OB, and less LPA on weekdays when compared to OB. There was also a trend towards PWS participating in less MVPA during the weekends and less VPA during the weekends than OB controls. There was a trend towards PWS participating in less VPA on weekends compared to weekdays, while OB participated similarly in VPA on weekdays and weekend days. On average, neither PWS nor OB children met minimum MVPA recommendations. The results suggest there is a need to design exercise programs for PWS youth that focus on integrating vigorous intensity activities, especially during the weekends when structured PA may not be available.
Collapse
Affiliation(s)
- Diobel M Castner
- Department of Kinesiology, California State University, Fullerton, 800 North State College Boulevard, Fullerton, CA 92834, USA.
| | - Jared M Tucker
- Healthy Weight Center, Helen DeVos Children's Hospital, 100 Michigan NE, Grand Rapids, MI 49503, USA.
| | - Kathleen S Wilson
- Department of Kinesiology, California State University, Fullerton, 800 North State College Boulevard, Fullerton, CA 92834, USA.
| | - Daniela A Rubin
- Department of Kinesiology, California State University, Fullerton, 800 North State College Boulevard, Fullerton, CA 92834, USA.
| |
Collapse
|
18
|
Rubin DA, Wilson KS, Wiersma LD, Weiss JW, Rose DJ. Rationale and design of active play @ home: a parent-led physical activity program for children with and without disability. BMC Pediatr 2014; 14:41. [PMID: 24529259 PMCID: PMC3932040 DOI: 10.1186/1471-2431-14-41] [Citation(s) in RCA: 14] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 01/28/2014] [Accepted: 02/10/2014] [Indexed: 11/20/2022] Open
Abstract
BACKGROUND Compared to other children, those with disability have additional challenges to being physically active. Prader-Willi Syndrome is a genetic form of childhood obesity that is characterized by hypotonia, growth hormone deficiency, behavioral, and cognitive disability. In children, the low prevalence of this syndrome (1 in 10,000 to 15,000 live births) makes group-based physical activity interventions difficult. In contrast, the home environment presents a natural venue to establish a physical activity routine for this population. This manuscript describes the design of a parent-led physical activity intervention incorporating playground and interactive console-based games to increase physical activity participation in youth with and without Prader-Willi Syndrome. METHODS/DESIGN The study participants will be 115 youth ages 8-15 y (45 with the syndrome and 70 without the syndrome but categorized as obese). The study will use a parallel design with the control group receiving the intervention after serving as control. Participants will be expected to complete a physical activity curriculum 4 days a week for 6 months including playground games 2 days a week and interactive console games 2 days a week. Parents will be trained at baseline and then provided with a curriculum and equipment to guide their implementation of the program. Tips related to scheduling and coping with barriers to daily program implementation will be provided. Throughout, parents will be contacted by phone once a week (weeks 1-4) and then every other week to receive support in between visits. Measurements of children and parents will be obtained at baseline, 12 weeks, and at the end (week 24) of the intervention. Children main outcomes include physical activity (accelerometry), body composition (dual x-ray absorptiometry), motor proficiency (Bruininks-Oseretsky Test of Motor Proficiency), quality of life and physical activity self-efficacy (questionnaires). Intervention compliance will be monitored using mail-in daily self-report checklists. DISCUSSION This parent-guided physical activity intervention aims to increase physical activity by using a curriculum that builds physical activity related self-confidence through the development and/or enhancement of motor skill competency. Ultimately, helping children develop these skills as well as joy in being physically active will translate into sustained behavior change. TRIAL REGISTRATION Current Controlled Trial: NCT02058342.
Collapse
Affiliation(s)
- Daniela A Rubin
- Department of Kinesiology, California State University, 800 N. State College Blvd., KHS-138, Fullerton, CA 92834, USA
| | - Kathleen S Wilson
- Department of Kinesiology, California State University, 800 N. State College Blvd., KHS-138, Fullerton, CA 92834, USA
| | - Lenny D Wiersma
- Department of Kinesiology, California State University, 800 N. State College Blvd., KHS-138, Fullerton, CA 92834, USA
| | - Jie W Weiss
- Department of Health Sciences, California State University, Fullerton, CA USA
| | - Debra J Rose
- Department of Kinesiology, California State University, 800 N. State College Blvd., KHS-138, Fullerton, CA 92834, USA
| |
Collapse
|