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Goyal V, Gordon KE, Sukal-Moulton T. Children with bilateral cerebral palsy use their hip joint to complete a step-up task. Front Hum Neurosci 2024; 18:1343457. [PMID: 38445098 PMCID: PMC10912305 DOI: 10.3389/fnhum.2024.1343457] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Grants] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/23/2023] [Accepted: 01/31/2024] [Indexed: 03/07/2024] Open
Abstract
Performance in stair-climbing is largely associated with disruptions to mobility and community participation in children with cerebral palsy (CP). It is important to understand the nature of motor impairments responsible for making stairs a challenge in children with bilateral CP to clarify underlying causes of impaired mobility. In pediatric clinical populations, sensitive measurements of movement quality can be captured during the initial step of stair ascent. Thus, the purpose of this study was to quantify the lower limb joint moments of children with bilateral CP during the stance phases of a step-up task. Participants performed multiple stepping trials in a university gait laboratory. Outcome measures included extensor support moments (the sum of hip, knee, and ankle sagittal plane moments), hip abduction moments, and their timing. We recruited seven participants per group. We found that peak support and hip abduction moments were similar in the bilateral CP group compared to the typical development (TD) group. We also found that children with bilateral CP timed their peak moments closer together and increasingly depended on the hip joint to complete the task, especially in their more affected (MA) lower limb. Our investigation highlights some underlying causes that may make stair climbing a challenge for the CP population, including a loss of selective voluntary motor control (SVMC), and provides a possible treatment approach to strengthen lower limb muscles.
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Affiliation(s)
- Vatsala Goyal
- Department of Biomedical Engineering, McCormick School of Engineering, Northwestern University, Evanston, IL, United States
- Department of Physical Therapy and Human Movement Sciences, Feinberg School of Medicine, Northwestern University, Chicago, IL, United States
| | - Keith E. Gordon
- Department of Physical Therapy and Human Movement Sciences, Feinberg School of Medicine, Northwestern University, Chicago, IL, United States
- Edward Hines Jr. Veterans Administration Hospital, Hines, IL, United States
| | - Theresa Sukal-Moulton
- Department of Physical Therapy and Human Movement Sciences, Feinberg School of Medicine, Northwestern University, Chicago, IL, United States
- Department of Pediatrics, Feinberg School of Medicine, Northwestern University, Chicago, IL, United States
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Vandoni M, Marin L, Cavallo C, Gatti A, Grazi R, Albanese I, Taranto S, Silvestri D, Di Carlo E, Patanè P, Carnevale Pellino V, Zuccotti G, Calcaterra V. Poor Motor Competence Affects Functional Capacities and Healthcare in Children and Adolescents with Obesity. Sports (Basel) 2024; 12:44. [PMID: 38393264 PMCID: PMC10891969 DOI: 10.3390/sports12020044] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/18/2023] [Revised: 01/19/2024] [Accepted: 01/29/2024] [Indexed: 02/25/2024] Open
Abstract
BACKGROUND From a young age, children learn different motor skills known as fundamental motor skills. The acquisition of these skills is crucial for the future development of context-tailored actions that could improve adherence to physical activity (PA) practice. Motor competence and function deficits have been associated with pediatric obesity. We reviewed the literature data regarding motor competence in pediatrics and impaired motor performance in children and adolescents with obesity. METHODS We assessed the abstracts of the available literature (n = 110) and reviewed the full texts of potentially relevant articles (n = 65) that were analyzed to provide a critical discussion. RESULTS Children and adolescents with obesity show impaired motor performance, executive functions, postural control, and motor coordination. Children's age represents a crucial point in the development of motor skills. Early interventions are crucial to preventing declines in motor proficiency and impacting children's PA and overall fitness levels. CONCLUSIONS To involve children, the PA protocol must be fun and tailored in consideration of several aspects, such as clinical picture, level of physical fitness, and motor skills. A supervised adapted exercise program is useful to personalized PA programs from an early pediatric age.
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Affiliation(s)
- Matteo Vandoni
- Laboratory of Adapted Motor Activity (LAMA)—Department of Public Health, Experimental Medicine and Forensic Science, University of Pavia, 27100 Pavia, Italy; (M.V.); (L.M.); (A.G.); (I.A.); (P.P.)
| | - Luca Marin
- Laboratory of Adapted Motor Activity (LAMA)—Department of Public Health, Experimental Medicine and Forensic Science, University of Pavia, 27100 Pavia, Italy; (M.V.); (L.M.); (A.G.); (I.A.); (P.P.)
- Department of Research, ASOMI College of Sciences, 2080 Marsa, Malta;
| | - Caterina Cavallo
- Department of Sport and Exercise Science, LUNEX International University of Health, Exercise and Sports, 50, Avenue du Parc des Sports, 4671 Differdange, Luxembourg;
| | - Alessandro Gatti
- Laboratory of Adapted Motor Activity (LAMA)—Department of Public Health, Experimental Medicine and Forensic Science, University of Pavia, 27100 Pavia, Italy; (M.V.); (L.M.); (A.G.); (I.A.); (P.P.)
| | - Roberta Grazi
- Pediatric Department, Buzzi Children’s Hospital, 20154 Milan, Italy; (R.G.); (S.T.); (E.D.C.); (G.Z.); (V.C.)
| | - Ilaria Albanese
- Laboratory of Adapted Motor Activity (LAMA)—Department of Public Health, Experimental Medicine and Forensic Science, University of Pavia, 27100 Pavia, Italy; (M.V.); (L.M.); (A.G.); (I.A.); (P.P.)
- Industrial Engineering Department, University of Tor Vergata, 00133 Rome, Italy
| | - Silvia Taranto
- Pediatric Department, Buzzi Children’s Hospital, 20154 Milan, Italy; (R.G.); (S.T.); (E.D.C.); (G.Z.); (V.C.)
| | - Dario Silvestri
- Department of Research, ASOMI College of Sciences, 2080 Marsa, Malta;
| | - Eleonora Di Carlo
- Pediatric Department, Buzzi Children’s Hospital, 20154 Milan, Italy; (R.G.); (S.T.); (E.D.C.); (G.Z.); (V.C.)
| | - Pamela Patanè
- Laboratory of Adapted Motor Activity (LAMA)—Department of Public Health, Experimental Medicine and Forensic Science, University of Pavia, 27100 Pavia, Italy; (M.V.); (L.M.); (A.G.); (I.A.); (P.P.)
- Industrial Engineering Department, University of Tor Vergata, 00133 Rome, Italy
| | - Vittoria Carnevale Pellino
- Laboratory of Adapted Motor Activity (LAMA)—Department of Public Health, Experimental Medicine and Forensic Science, University of Pavia, 27100 Pavia, Italy; (M.V.); (L.M.); (A.G.); (I.A.); (P.P.)
| | - Gianvincenzo Zuccotti
- Pediatric Department, Buzzi Children’s Hospital, 20154 Milan, Italy; (R.G.); (S.T.); (E.D.C.); (G.Z.); (V.C.)
- Department of Biomedical and Clinical Science, University of Milan, 20157 Milan, Italy
| | - Valeria Calcaterra
- Pediatric Department, Buzzi Children’s Hospital, 20154 Milan, Italy; (R.G.); (S.T.); (E.D.C.); (G.Z.); (V.C.)
- Department of Internal Medicine, University of Pavia, 27100 Pavia, Italy
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Yamagami M, Portnova-Fahreeva AA, Kong J, Wobbrock JO, Mankof J. How Do People with Limited Movement Personalize Upper-Body Gestures? Considerations for the Design of Personalized and Accessible Gesture Interfaces. ASSETS 2023; 2023:1. [PMID: 38618626 PMCID: PMC11015695 DOI: 10.1145/3597638.3608430] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 04/16/2024]
Abstract
Always-on, upper-body input from sensors like accelerometers, infrared cameras, and electromyography hold promise to enable accessible gesture input for people with upper-body motor impairments. When these sensors are distributed across the person's body, they can enable the use of varied body parts and gestures for device interaction. Personalized upper-body gestures that enable input from diverse body parts including the head, neck, shoulders, arms, hands and fingers and match the abilities of each user, could be useful for ensuring that gesture systems are accessible. In this work, we characterize the personalized gesture sets designed by 25 participants with upper-body motor impairments and develop design recommendations for upper-body personalized gesture interfaces. We found that the personalized gesture sets that participants designed were highly ability-specific. Even within a specific type of disability, there were significant differences in what muscles participants used to perform upper-body gestures, with some pre-dominantly using shoulder and upper-arm muscles, and others solely using their finger muscles. Eight percent of gestures that participants designed were with their head, neck, and shoulders, rather than their hands and fingers, demonstrating the importance of tracking the whole upper-body. To combat fatigue, participants performed 51% of gestures with their hands resting on or barely coming off of their armrest, highlighting the importance of using sensing mechanisms that are agnostic to the location and orientation of the body. Lastly, participants activated their muscles but did not visibly move during 10% of the gestures, demonstrating the need for using sensors that can sense muscle activations without movement. Both inertial measurement unit (IMU) and electromyography (EMG) wearable sensors proved to be promising sensors to differentiate between personalized gestures. Personalized upper-body gesture interfaces that take advantage of each person's abilities are critical for enabling accessible upper-body gestures for people with upper-body motor impairments.
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Affiliation(s)
- Momona Yamagami
- Paul G. Allen School of Computer Science & Engineering, University of Washington, Seattle Seattle, Washington, USA
| | | | - Junhan Kong
- The Information School | DUB Group, University of Washington, Seattle Seattle, Washington, USA
| | - Jacob O Wobbrock
- The Information School | DUB Group, University of Washington, Seattle Seattle, Washington, USA
| | - Jennifer Mankof
- Paul G. Allen School of Computer Science & Engineering, University of Washington, Seattle Seattle, Washington, USA
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Xi K, Cai SQ, Yan HF, Tian Y, Cai J, Yang XM, Wang JM, Xing GG. CSMD3 Deficiency Leads to Motor Impairments and Autism-Like Behaviors via Dysfunction of Cerebellar Purkinje Cells in Mice. J Neurosci 2023; 43:3949-3969. [PMID: 37037606 PMCID: PMC10219040 DOI: 10.1523/jneurosci.1835-22.2023] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/27/2022] [Revised: 03/18/2023] [Accepted: 04/05/2023] [Indexed: 04/12/2023] Open
Abstract
Autism spectrum disorder (ASD) is a neurodevelopmental disorder with highly heritable heterogeneity. Mutations of CUB and sushi multiple domains 3 (CSMD3) gene have been reported in individuals with ASD. However, the underlying mechanisms of CSMD3 for the onset of ASD remain unexplored. Here, using male CSMD3 knock-out (CSMD3 -/-) mice, we found that genetic deletion of CSMD3 produced core autistic-like symptoms (social interaction deficits, restricted interests, and repetitive and stereotyped behaviors) and motor dysfunction in mice, indicating that the CSMD3 gene can be considered as a candidate for ASD. Moreover, we discovered that the ablation of CSMD3 in mice led to abnormal cerebellar Purkinje cell (PC) morphology in Crus I/II lobules, including aberrant developmental dendritogenesis and spinogenesis of PCs. Furthermore, combining in vivo fiber photometry calcium imaging and ex vivo electrophysiological recordings, we showed that the CSMD3 -/- mice exhibited an increased neuronal activity (calcium fluorescence signals) in PCs of Crus I/II lobules in response to movement activity, as well as an enhanced intrinsic excitability of PCs and an increase of excitatory rather than inhibitory synaptic input to the PCs, and an impaired long-term depression at the parallel fiber-PC synapse. These results suggest that CSMD3 plays an important role in the development of cerebellar PCs. Loss of CSMD3 causes abnormal PC morphology and dysfunction in the cerebellum, which may underlie the pathogenesis of motor deficits and core autistic-like symptoms in CSMD3 -/- mice. Our findings provide novel insight into the pathophysiological mechanisms by which CSMD3 mutations cause impairments in cerebellar function that may contribute to ASD.SIGNIFICANCE STATEMENT Autism spectrum disorder (ASD) is a neurodevelopmental disorder with highly heritable heterogeneity. Advances in genomic analysis have contributed to numerous candidate genes for the risk of ASD. Recently, a novel giant gene CSMD3 encoding a protein with CUB and sushi multiple domains (CSMDs) has been identified as a candidate gene for ASD. However, the underlying mechanisms of CSMD3 for the onset of ASD remain largely unknown. Here, we unravel that loss of CSMD3 results in abnormal morphology, increased intrinsic excitabilities, and impaired synaptic plasticity in cerebellar PCs, subsequently leading to motor deficits and ASD-like behaviors in mice. These results provide novel insight into the pathophysiological mechanisms by which CSMD3 mutations cause impairments in cerebellar function that may contribute to ASD.
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Affiliation(s)
- Ke Xi
- Neuroscience Research Institute, Peking University, Beijing 100191, People's Republic of China
- Department of Neurobiology, School of Basic Medical Sciences, Peking University, Beijing 100191, People's Republic of China
- Health Science Center, Key Laboratory for Neuroscience, Ministry of Education of China and National Health Commission of China, Beijing 100191, People's Republic of China
| | - Si-Qing Cai
- Neuroscience Research Institute, Peking University, Beijing 100191, People's Republic of China
- Department of Neurobiology, School of Basic Medical Sciences, Peking University, Beijing 100191, People's Republic of China
- Health Science Center, Key Laboratory for Neuroscience, Ministry of Education of China and National Health Commission of China, Beijing 100191, People's Republic of China
| | - Hui-Fang Yan
- Department of Pediatrics, Peking University First Hospital, Beijing 100034, People's Republic of China
| | - Yue Tian
- Neuroscience Research Institute, Peking University, Beijing 100191, People's Republic of China
- Department of Neurobiology, School of Basic Medical Sciences, Peking University, Beijing 100191, People's Republic of China
- Health Science Center, Key Laboratory for Neuroscience, Ministry of Education of China and National Health Commission of China, Beijing 100191, People's Republic of China
| | - Jie Cai
- Neuroscience Research Institute, Peking University, Beijing 100191, People's Republic of China
- Department of Neurobiology, School of Basic Medical Sciences, Peking University, Beijing 100191, People's Republic of China
- Health Science Center, Key Laboratory for Neuroscience, Ministry of Education of China and National Health Commission of China, Beijing 100191, People's Republic of China
| | - Xiao-Mei Yang
- Department of Human Anatomy and Embryology, School of Basic Medical Sciences, Peking University, Beijing 100191, People's Republic of China
| | - Jing-Min Wang
- Department of Pediatrics, Peking University First Hospital, Beijing 100034, People's Republic of China
| | - Guo-Gang Xing
- Neuroscience Research Institute, Peking University, Beijing 100191, People's Republic of China
- Department of Neurobiology, School of Basic Medical Sciences, Peking University, Beijing 100191, People's Republic of China
- Health Science Center, Key Laboratory for Neuroscience, Ministry of Education of China and National Health Commission of China, Beijing 100191, People's Republic of China
- Second Affiliated Hospital of Xinxiang Medical University, Henan 453002, People's Republic of China
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Espín-Tello SM, Gardeazabal X, Abascal J. The use of robots for augmentative manipulation during play activities among children with motor impairment: a scoping review. Disabil Rehabil 2023; 45:896-910. [PMID: 35260000 DOI: 10.1080/09638288.2022.2046185] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/06/2023]
Abstract
PURPOSE To describe the extent, type, and quality of studies involving robots for augmentative manipulation during play by children with severe motor impairments (CwSMI), and to explore how they influenced children's cognitive skills and engagement. METHODS Web of Science, Scopus, PubMed & EBSCO were systematically searched for articles published until March 2021, that reported cognitive skills and/or engagement outcomes from interventions involving the use of robots in play activities, where participants included CwSMI, and full-text was available. Data extracted comprised characteristics of participants, study design, purpose of the study, outcomes assessed, collection methods, and intervention carried out (robot-environment interaction and robot used). RESULTS Eight mobile robots and five robotic arms were reported in the 17 included and reviewed articles. Most of them informed a positive impact on CwSMI's cognitive skills and/or engagement. However, the studies scored poorly on a five-criteria quality assessment, and only one single-case design proved strong evidence of treatment. None of the analysed interventions was an evidence-based practice. CONCLUSION The use of manipulative robots during play activities may have a positive impact on the CwSMI's cognitive skills and engagement in activities. However, further studies with higher internal and external validity are needed to support stronger evidence.Implications for rehabilitationThe use of robots for augmentative manipulation during play activities may have a positive influence on the cognitive functions and the engagement in activities of children with severe motor impairments.Through manipulative robots, this population could be able to show the abilities that are hidden due to their motor impairments, and subsequently, receive educational and physical training more aligned with their real capacities and potential.
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Affiliation(s)
- Sandra Martina Espín-Tello
- University of the Basque Country - Gipuzkoa Campus, Computer Architecture and Technology, Donostia, Spain
| | - Xabier Gardeazabal
- University of the Basque Country - Gipuzkoa Campus, Computer Architecture and Technology, Donostia, Spain
| | - Julio Abascal
- University of the Basque Country - Gipuzkoa Campus, Computer Architecture and Technology, Donostia, Spain
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Boujraf S, Alami B, Chikri M, El Hamdaoui H, Maaroufi M, Aalouane R, Rammouz I. Heavy and Chronic Cannabis Addiction does not Impact Motor Function: BOLD-fMRI Study. CNS Neurol Disord Drug Targets 2022; 21:CNSNDDT-EPUB-123583. [PMID: 35578884 DOI: 10.2174/1574886317666220516103501] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 12/16/2021] [Revised: 02/16/2022] [Accepted: 03/03/2022] [Indexed: 06/15/2023]
Abstract
OBJECTIVE The aim of this paper is to demonstrate the impact of heavy and chronic cannabis use on brain potential functional control, reorganization, and plasticity in the cortical area. METHODS 23 cannabis users were convened in 3 user's groups. The first group included 11 volunteers with an average of 15 joins/day; the second group included 6 volunteers with an average of 1.5 joins/day; the third group included 6 volunteers with an average of 2.8 joins/week. Besides, a 6 healthy volunteers (control group). All healthy and cannabis users underwent identical brain BOLD-fMRI assessment of the motor function. Besides, neuropsychological and full biological assessments were achieved. RESULTS BOLD-fMRI maps of motor areas were obtained, including quantitative evaluation of the activations in the motor area. Besides, statistical analysis of various groups was achieved. CONCLUSION Chronic cannabis addiction of varying use strength by groups of heavy, moderate, low dose, and zero doses are shown to have systematically equivalent effects on the control of brain motor function. Indeed, the BOLD-fMRI shows a remarkable sensitivity to minimal brain plasticity and reorganization of the functional motor control of the studied cortical area, and such varionation was not shown. Specific elucidation of the cannabis effect mechanisms in this unique function should clarify further protective pharmacological effects. This might illuminate the use of neuronal resources to prepare processes for pharmacological use and pharmaceutical forms. This suggests exploring any potential cannabis pharmaceutical form in diseases involving motor impairments.
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Affiliation(s)
- Saïd Boujraf
- Department of Biophysics and Clinical MRI Methods, Faculty of Medicine of Fez; Fez, Morocco
- Clinical Neuroscience Laboratory, Faculty of Medicine of Fez; Fez, Morocco
| | - Badreeddine Alami
- Department of Biophysics and Clinical MRI Methods, Faculty of Medicine of Fez; Fez, Morocco
- Clinical Neuroscience Laboratory, Faculty of Medicine of Fez; Fez, Morocco
| | - Mohamed Chikri
- Clinical Neuroscience Laboratory, Faculty of Medicine of Fez; Fez, Morocco
| | - Halima El Hamdaoui
- Department of Biophysics and Clinical MRI Methods, Faculty of Medicine of Fez; Fez, Morocco
- Clinical Neuroscience Laboratory, Faculty of Medicine of Fez; Fez, Morocco
| | - Mustapha Maaroufi
- Clinical Neuroscience Laboratory, Faculty of Medicine of Fez; Fez, Morocco
| | - Rachid Aalouane
- Clinical Neuroscience Laboratory, Faculty of Medicine of Fez; Fez, Morocco
| | - Ismail Rammouz
- Clinical Neuroscience Laboratory, Faculty of Medicine of Fez; Fez, Morocco
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Shabani M, Naderi R. Phytohormone abscisic acid elicits positive effects on harmaline-induced cognitive and motor disturbances in a rat model of essential tremor. Brain Behav 2022; 12:e2564. [PMID: 35591769 PMCID: PMC9120731 DOI: 10.1002/brb3.2564] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 05/10/2021] [Revised: 01/13/2022] [Accepted: 01/28/2022] [Indexed: 11/25/2022] Open
Abstract
OBJECTIVE Essential tremor (ET) as a neurological disorder is accompanied by cognitive and motor disturbances. Despite the high incidence of ET, the drug treatment of ET remains unsatisfactory. Recently, abscisic acid (ABA) has been reported to have positive neurophysiological effects in mammals. Here, the effects of ABA on harmaline-induced motor and cognitive impairments were investigated in rats. METHODS Male Wistar rats weighing 120-140 g were divided into control, harmaline (30 mg/kg, ip), ABA vehicle (DMSO+normal saline), and ABA (10 μg/rat, icv, 30 min before harmaline injection) groups. Exploratory, balance and motor performance, anxiety, and cognitive function were assessed using footprint, open field, wire grip, rotarod, and shuttle box tests. RESULTS The results indicated that ABA (10 μg/rat) can improve harmaline-induced tremor in rats. The administration of ABA significantly increased time spent on wire grip and rotarod. In addition, ABA had a promising effect against the cognitive impairments induced by harmaline. CONCLUSION Taken together, ABA has positive effects on locomotor and cognitive impairments induced by tremor. However, further studies are required to determine the exact mechanisms of ABA on the ET.
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Affiliation(s)
- Mohammad Shabani
- Neuroscience Research Center, Neuropharmacology Institute, Kerman University of Medical Sciences, Kerman, Iran
| | - Reyhaneh Naderi
- Neuroscience Research Center, Neuropharmacology Institute, Kerman University of Medical Sciences, Kerman, Iran
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Tharaldsen G, Hollung SJ, Vik T, Andersen GL. High occurrence of perinatal risk factors and more severe impairments in children with postneonatal cerebral palsy in Norway. Acta Paediatr 2022; 111:812-819. [PMID: 34967050 DOI: 10.1111/apa.16240] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 10/10/2021] [Revised: 12/08/2021] [Accepted: 12/29/2021] [Indexed: 11/29/2022]
Abstract
AIM To describe causal events, perinatal risk factors and clinical characteristics in children with postneonatal cerebral palsy (PNCP). METHODS Population-based registry study of Norwegian children born 1999-2013. Prevalence, causal events and clinical characteristics of PNCP were described. The occurrence of perinatal risk factors for CP was compared with the general population. RESULTS Among 1710 children with CP, 67 had PNCP (3.9%; 0.75 per 10,000 livebirths [95%CI: 0.59-0.96]). The prevalence of PNCP decreased during the study period. Leading causal events were cerebrovascular events (32.8%), head injuries/other accidents (22.4%), infections (19.4%) and hypoxic events (14.9%). Spastic hemiplegic (53.7%) or spastic quadriplegic/dyskinetic CP (31.3%) was more common in children with PNCP than non-PNCP (42.3% and 20.1%, respectively; p < 0.001). Children with PNCP had more severe motor and associated impairments. Perinatal risk factors for CP were more common in children with PNCP than in the general population. CONCLUSION The prevalence of PNCP among Norwegian children was low and decreasing. The main causes were cerebrovascular events and head injuries/other accidents. Although spastic hemiplegic CP was the dominating subtype, children with PNCP had more severe motor and associated impairments than children with non-PNCP, as well as a higher occurrence of perinatal risk factors than in the general population.
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Affiliation(s)
- Guro Tharaldsen
- Department of Clinical and Molecular Medicine Norwegian University of Science and Technology Trondheim Norway
| | - Sandra J. Hollung
- Norwegian Quality and Surveillance Registry for Cerebral Palsy (NorCP) Vestfold Hospital Trust Tønsberg Norway
| | - Torstein Vik
- Department of Clinical and Molecular Medicine Norwegian University of Science and Technology Trondheim Norway
| | - Guro L. Andersen
- Department of Clinical and Molecular Medicine Norwegian University of Science and Technology Trondheim Norway
- Norwegian Quality and Surveillance Registry for Cerebral Palsy (NorCP) Vestfold Hospital Trust Tønsberg Norway
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Longhurst JK, Cummings JL, John SE, Poston B, Rider JV, Salazar AM, Mishra VR, Ritter A, Caldwell JZ, Miller JB, Kinney JW, Landers MR. Dual Task Performance Is Associated with Amyloidosis in Cognitively Healthy Adults. J Prev Alzheimers Dis 2022; 9:297-305. [PMID: 35543003 PMCID: PMC9286710 DOI: 10.14283/jpad.2022.1] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/01/2023]
Abstract
BACKGROUND Preclinical Alzheimer's disease (AD) provides an opportunity for the study and implementation of interventions and strategies aimed at delaying, mitigating, and preventing AD. While this preclinical state is an ideal target, it is difficult to identify efficiently and cost-effectively. Recent findings have suggested that cognitive-motor dual task paradigms may provide additional inference. OBJECTIVES Investigate the relationship between dual task performance and amyloidosis, suggestive of preclinical Alzheimer's disease and whether dual task performance provides additional information beyond a cognitive composite, to help in the identification of amyloidosis. DESIGN Cross-sectional. SETTING Outpatient specialty brain health clinical research institution in the United States. PARTICIPANTS 52 cognitively healthy adults. MEASUREMENTS The data included demographics, amyloid standardized uptake value ratio obtained via florbetapir-PET, neuropsychological testing, apolipoprotien E genotype, and dual task performance measures. Data were analyzed via hierarchal multiple linear regression or logistic regression, controlling for age, education, and apolipoprotien E genotype. Receiver operating characteristic curves were plotted, and sensitivity and specificity calculated via 2x2 contingency tables. RESULTS There was a moderate relationship (rs>.30) between motor and cognitive dual task effects and amyloid standardized uptake value ratio (ps<.042). A strong relationship (r=.58) was found between combined dual task effect, a measure of automaticity derived from dual task performance, and amyloid standardized uptake value ratio (p<.001). Additionally, combined dual task effect showed promise in its unique contributions to amyloid standardized uptake value ratio, accounting for 7.8% of amyloid standardized uptake value ratio variance beyond cognitive composite scores (p=.018). Additionally, when incorporated into the cognitive composite, combined dual task effect resulted in improved diagnostic accuracy for determining elevated amyloid standardized uptake value ratio, and increased the sensitivity and specificity of the cognitive composite. CONCLUSSION Dual task performance using the combined dual task effect, a measure of automaticity, was a moderate predictor of cerebral amyloidosis, which suggests that it has utility in the screening and diagnosis of individuals for preclinical AD. Additionally, when combined with the cognitive composite, the combined dual task effect improves diagnostic accuracy. Further research is warranted.
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Affiliation(s)
- J K Longhurst
- Jason K. Longhurst, PT, DPT, PHD, Department of Physical Therapy and Athletic Training, Saint Louis University, Saint Louis, Missouri, USA, 63104, , tel: 314-977-8533, fax: 314-977-8513
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Bohnen NI, Kanel P, Koeppe RA, Sanchez-Catasus CA, Frey KA, Scott P, Constantine GM, Albin RL, Müller MLTM. Regional cerebral cholinergic nerve terminal integrity and cardinal motor features in Parkinson's disease. Brain Commun 2021; 3:fcab109. [PMID: 34704022 PMCID: PMC8196256 DOI: 10.1093/braincomms/fcab109] [Citation(s) in RCA: 18] [Impact Index Per Article: 6.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/08/2021] [Revised: 04/08/2021] [Accepted: 04/12/2021] [Indexed: 01/21/2023] Open
Abstract
Clinical effects of anti-cholinergic drugs implicate cholinergic systems alterations in the pathophysiology of some cardinal motor impairments in Parkinson’s disease. The topography of affected cholinergic systems deficits and motor domain specificity are poorly understood. Parkinson's disease patients (n = 108) underwent clinical and motor assessment and vesicular acetylcholine transporter [18F]-fluoroethoxybenzovesamicol PET imaging. Volumes-of-interest-based analyses included detailed thalamic and cerebellar parcellations. Successful PET sampling for most of the small-sized parcellations was available in 88 patients. A data-driven approach, stepwise regression using the forward selection method, was used to identify cholinergic brain regions associating with cardinal domain-specific motor ratings. Regressions with motor domain scores for model-selected regions followed by confounder analysis for effects of age of onset, duration of motor disease and levodopa equivalent dose were performed. Among 7 model-derived regions associating with postural instability and gait difficulties domain scores three retained significance in confounder variable analysis: medial geniculate nucleus (standardized β = −0.34, t = −3.78, P = 0.0003), lateral geniculate nucleus (β = −0.32, t = −3.4, P = 0.001) and entorhinal cortex (β = −0.23, t = −2.6, P = 0.011). A sub-analysis of non-episodic postural instability and gait difficulties scores demonstrated significant effects of the medial geniculate nucleus, entorhinal cortex and globus pallidus pars interna. Among 6 tremor domain model-selected regions two regions retained significance in confounder variable analysis: cerebellar vermis section of lobule VIIIb (β = −0.22, t = −2.4, P = 0.021) and the putamen (β = −0.23, t = −2.3, P = 0.024). None of the three model-selected variables for the rigidity domain survived confounder analysis. Two out of the four model-selected regions for the distal limb bradykinesia domain survived confounder analysis: globus pallidus pars externa (β = 0.36, t = 3.9, P = 0.0097) and the paracentral lobule (β = 0.26, t = 2.5, P = 0.013). Emphasizing the utility of a systems-network conception of the pathophysiology of Parkinson's disease cardinal motor features, our results are consistent with specific deficits in basal forebrain corticopetal, peduncupontine-laterodorsal tegmental complex, and medial vestibular nucleus cholinergic pathways, against the background of nigrostriatal dopaminergic deficits, contributing significantly to postural instability, gait difficulties, tremor and distal limb bradykinesia cardinal motor features of Parkinson’s disease. Our results suggest significant and distinct consequences of degeneration of cholinergic peduncupontine-laterodorsal tegmental complex afferents to both segments of the globus pallidus. Non-specific regional cholinergic nerve terminal associations with rigidity scores likely reflect more complex multifactorial signalling mechanisms with smaller contributions from cholinergic pathways.
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Affiliation(s)
- Nicolaas I Bohnen
- Department of Radiology, University of Michigan, Ann Arbor, MI 48105, USA.,Department of Neurology, University of Michigan, Ann Arbor, MI 48105, USA.,Neurology Service and GRECC, Veterans Administration Ann Arbor Healthcare System, Ann Arbor, MI 48105, USA.,Morris K. Udall Center of Excellence for Parkinson's Disease Research, University of Michigan, Ann Arbor, MI 48105, USA.,Parkinson's Foundation Research Center of Excellence, University of Michigan, Ann Arbor, MI 48105, USA
| | - Prabesh Kanel
- Department of Radiology, University of Michigan, Ann Arbor, MI 48105, USA.,Morris K. Udall Center of Excellence for Parkinson's Disease Research, University of Michigan, Ann Arbor, MI 48105, USA
| | - Robert A Koeppe
- Department of Radiology, University of Michigan, Ann Arbor, MI 48105, USA.,Morris K. Udall Center of Excellence for Parkinson's Disease Research, University of Michigan, Ann Arbor, MI 48105, USA
| | - Carlos A Sanchez-Catasus
- Department of Radiology, University of Michigan, Ann Arbor, MI 48105, USA.,Morris K. Udall Center of Excellence for Parkinson's Disease Research, University of Michigan, Ann Arbor, MI 48105, USA
| | - Kirk A Frey
- Department of Radiology, University of Michigan, Ann Arbor, MI 48105, USA.,Department of Neurology, University of Michigan, Ann Arbor, MI 48105, USA
| | - Peter Scott
- Department of Radiology, University of Michigan, Ann Arbor, MI 48105, USA
| | - Gregory M Constantine
- Department of Mathematics, University of Pittsburgh, Pittsburgh, PA 15260, USA.,Department of Statistics, University of Pittsburgh, Pittsburgh, PA 15260, USA.,The McGowen Institute for Regenerative Medicine, University of Pittsburgh Medical Center, Pittsburgh, PA 15260, USA
| | - Roger L Albin
- Department of Neurology, University of Michigan, Ann Arbor, MI 48105, USA.,Neurology Service and GRECC, Veterans Administration Ann Arbor Healthcare System, Ann Arbor, MI 48105, USA.,Morris K. Udall Center of Excellence for Parkinson's Disease Research, University of Michigan, Ann Arbor, MI 48105, USA.,Parkinson's Foundation Research Center of Excellence, University of Michigan, Ann Arbor, MI 48105, USA
| | - Martijn L T M Müller
- Department of Radiology, University of Michigan, Ann Arbor, MI 48105, USA.,Morris K. Udall Center of Excellence for Parkinson's Disease Research, University of Michigan, Ann Arbor, MI 48105, USA.,Parkinson's Foundation Research Center of Excellence, University of Michigan, Ann Arbor, MI 48105, USA.,Critical Path Institute, Tucson, AZ 85718, USA
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11
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Guerra S, Chung R, Yerbury J, Karl T. Behavioural effects of cage systems on the G93A Superoxide Dismutase 1 transgenic mouse model for amyotrophic lateral sclerosis. Genes Brain Behav 2021; 20:e12735. [PMID: 33871173 DOI: 10.1111/gbb.12735] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 09/15/2020] [Revised: 03/25/2021] [Accepted: 04/16/2021] [Indexed: 11/28/2022]
Abstract
Environmental factors inherent to animal facilities can impact on the neuro-behavioural phenotype of laboratory mice and genetic mouse models for human diseases. Many facilities have upgraded from traditional 'open filter top' cages (FT) to individually ventilated cage (IVC) systems, which have been shown to modify various behavioural responses of laboratory mice. Importantly, the impact of IVC housing on the G93A superoxide dismutase 1 mouse model of amyotrophic lateral sclerosis (ALS) is currently unknown. Male and female wild type-like (WT) and heterozygous SOD1G93A mice were group-housed in FT or IVC systems from PND 30 ± 5 onwards. Body weight and motor function were assessed weekly from 15 weeks onward. Mice were also tested for cognitive abilities (i.e., fear conditioning and social recognition memory) and sensorimotor gating (i.e., prepulse inhibition: PPI). SOD1G93A mice lost body weight, and their motor function degenerated over time compared with control littermates. Motor impairments developed faster when SOD1G93A females were housed in IVCs. Context and cue freezing were increased in SOD1G93A females compared with controls, whereas all SOD1G93A mice exhibited lower acoustic startle and PPI than WT mice. IVC housing led to an increase in cue freezing in males and reduced the severity of PPI deficits in SOD1G93A females. Overall, IVC housing impacted moderately on the SOD1G93A phenotype but central behavioural deficits were still evident across housing conditions. Nonetheless, our findings indicate the importance of assessing the effect of cage system in genetic mouse models as these systems can modulate the magnitude and onset of genotypic differences.
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Affiliation(s)
- Stefan Guerra
- School of Medicine, Western Sydney University, Campbelltown, New South Wales, Australia
| | - Roger Chung
- Centre for MND Research, Macquarie University, Sydney, New South Wales, Australia
| | - Justin Yerbury
- Faculty of Science, Medicine and Health, University of Wollongong, Wollongong, New South Wales, Australia
| | - Tim Karl
- School of Medicine, Western Sydney University, Campbelltown, New South Wales, Australia.,Neuroscience Research Australia, Randwick, New South Wales, Australia
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Waku I, Magalhães MS, Alves CO, de Oliveira AR. Haloperidol-induced catalepsy as an animal model for parkinsonism: A systematic review of experimental studies. Eur J Neurosci 2021; 53:3743-3767. [PMID: 33818841 DOI: 10.1111/ejn.15222] [Citation(s) in RCA: 7] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/11/2020] [Revised: 03/29/2021] [Accepted: 03/31/2021] [Indexed: 11/28/2022]
Abstract
Several useful animal models for parkinsonism have been developed so far. Haloperidol-induced catalepsy is often used as a rodent model for the study of motor impairments observed in Parkinson's disease and related disorders and for the screening of potential antiparkinsonian compounds. The objective of this systematic review is to identify publications that used the haloperidol-induced catalepsy model for parkinsonism and to explore the methodological characteristics and the main questions addressed in these studies. A careful systematic search of the literature was carried out by accessing articles in three different databases: Web of Science, PubMed and SCOPUS. The selection and inclusion of studies were performed based on the abstract and, subsequently, on full-text analysis. Data extraction included the objective of the study, study design and outcome of interest. Two hundred and fifty-five articles were included in the review. Publication years ranged from 1981 to 2020. Most studies used the model to explore the effects of potential treatments for parkinsonism. Although the methodological characteristics used are quite varied, most studies used Wistar rats as experimental subjects. The most frequent dose of haloperidol used was 1.0 mg/kg, and the horizontal bar test was the most used to assess catalepsy. The data presented here provide a framework for an evidence-based approach to the design of preclinical research on parkinsonism using the haloperidol-induced catalepsy model. This model has been used routinely and successfully and is likely to continue to play a critical role in the ongoing search for the next generation of therapeutic interventions for parkinsonism.
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Affiliation(s)
- Isabelle Waku
- Department of Psychology, Center of Education and Human Sciences, Federal University of São Carlos (UFSCar), São Carlos, SP, Brazil
| | - Mylena S Magalhães
- Department of Psychology, Center of Education and Human Sciences, Federal University of São Carlos (UFSCar), São Carlos, SP, Brazil
| | - Camila O Alves
- Department of Psychology, Center of Education and Human Sciences, Federal University of São Carlos (UFSCar), São Carlos, SP, Brazil.,Institute of Neuroscience and Behavior (INeC), Ribeirão Preto, SP, Brazil
| | - Amanda R de Oliveira
- Department of Psychology, Center of Education and Human Sciences, Federal University of São Carlos (UFSCar), São Carlos, SP, Brazil.,Institute of Neuroscience and Behavior (INeC), Ribeirão Preto, SP, Brazil
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13
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Sartori RF, Valentini NC, Fonseca RP. Executive function in children with and without developmental coordination disorder: A comparative study. Child Care Health Dev 2020; 46:294-302. [PMID: 31845379 DOI: 10.1111/cch.12734] [Citation(s) in RCA: 16] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 06/21/2019] [Revised: 12/11/2019] [Accepted: 12/14/2019] [Indexed: 11/28/2022]
Abstract
BACKGROUND Children with motor impairments also show poor performance in some executive functions' components. However, there is no consensus on which specific executive subdomain is more impacted. AIM The objective of this study was to compare executive functions in children with developmental coordination disorder (DCD), at risk for DCD (r-DCD), and in typically developing (TD) children. METHODS AND PROCEDURES A sample of 397 children was assessed using the MABC-2. Two groups of children were identified; DCD (n = 63) and at r-DCD (n = 31). A third matched group of children with TD (n = 63) was formed. The MABC-2 checklist and the WASI tests were used as screening tools. Measures of executive function including verbal and nonverbal tasks for working memory, inhibitory control, and cognitive flexibility were tested. Multivariate analysis of variance followed by analyses of variance and Bonferroni tests were used to verify group effects on executive functions. RESULTS A significant group effects were found for Working Memory, Λ = .78, F(4, 360) = 10.12, p ≤ .001, ηp2 = .12; Inhibitory Control, Λ = .59, F(16, 294) = 5.48, p ≤ .001, ηp2 = .23; and Cognitive Flexibility and Inhibitory Control, Λ = .60, F(22, 288) = 3.74, p ≤ .001, ηp2 = .22, with moderate effect sizes. The DCD group showed lower scores compared with the TD group on the visuospatial and verbal working memory; inhibitory control and in tasks of cognitive flexibility; the r-DCD group showed lower scores compared with the TD group for visuospatial working memory and for cognitive flexibility. CONCLUSIONS AND IMPLICATIONS Poor performance in several measures of executive functions in children with DCD emphasized the need of motor/executive task-specific interventions. Furthermore, children at r-DCD showed low scores in several executive functions; therefore, preventive services should also be provided for this subclinical group.
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Affiliation(s)
- Rodrigo Flores Sartori
- School of Health and Life Sciences, Pontifical Catholic University of Rio Grande do Sul, Porto Alegre, Rio Grande do Sul, Brazil.,Department of Physical Education, Serra Gaucha University, Porto Alegre, Rio Grande do Sul, Brazil
| | - Nadia Cristina Valentini
- Department of Physical Education, School of Physical Education, Physiotherapy and Dance, Federal University of Rio Grande do Sul, Porto Alfegre, Rio Grande do Sul, Brazil
| | - Rochele Paz Fonseca
- School of Health and Life Sciences, Pontifical Catholic University of Rio Grande do Sul, Porto Alegre, Rio Grande do Sul, Brazil
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14
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Wilson RB, Elashoff D, Gouelle A, Smith BA, Wilson AM, Dickinson A, Safari T, Hyde C, Jeste SS. Quantitative Gait Analysis in Duplication 15q Syndrome and Nonsyndromic ASD. Autism Res 2020; 13:1102-1110. [PMID: 32282133 DOI: 10.1002/aur.2298] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/01/2019] [Revised: 02/23/2020] [Accepted: 03/14/2020] [Indexed: 01/12/2023]
Abstract
Motor impairments occur frequently in genetic syndromes highly penetrant for autism spectrum disorder (syndromic ASD) and in individuals with ASD without a genetic diagnosis (nonsyndromic ASD). In particular, abnormalities in gait in ASD have been linked to language delay, ASD severity, and likelihood of having a genetic disorder. Quantitative measures of motor function can improve our ability to evaluate motor differences in individuals with syndromic and nonsyndromic ASD with varying levels of intellectual disability and adaptive skills. To evaluate this methodology, we chose to use quantitative gait analysis to study duplication 15q syndrome (dup15q syndrome), a genetic disorder highly penetrant for motor delays, intellectual disability, and ASD. We evaluated quantitative gait variables in individuals with dup15q syndrome (n = 39) and nonsyndromic ASD (n = 21) and compared these data to a reference typically developing cohort. We found a gait pattern of slow pace, poor postural control, and large gait variability in dup15q syndrome. Our findings improve characterization of motor function in dup15q syndrome and nonsyndromic ASD. Quantitative gait analysis can be used as a translational method and can improve our identification of clinical endpoints to be used in treatment trials for these syndromes. Autism Res 2020, 13: 1102-1110. © 2020 International Society for Autism Research, Wiley Periodicals, Inc. LAY SUMMARY: Motor impairments, particularly abnormalities in walking, occur frequently in genetic syndromes highly penetrant for autism spectrum disorder (syndromic ASD). Here, using quantitative gait analysis, we find that individuals with duplication 15q syndrome have an atypical gait pattern that differentiates them from typically developing and nonsyndromic ASD individuals. Our findings improve motor characterization in dup15q syndrome and nonsyndromic ASD.
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Affiliation(s)
- Rujuta B Wilson
- Semel Institute of Neuroscience and Human Behavior, David Geffen School of Medicine, University of California, Los Angeles, Los Angeles, California, USA
| | - David Elashoff
- Department of Medicine Statistics Core, David Geffen School of Medicine, Los Angeles, California, USA
| | - Arnaud Gouelle
- Gait and Balance Academy, Protokinetics, Havertown, Pennsylvania, USA.,Laboratory Performance, Sante, Metrologie, Societe (PSMS), UFR STAPS, Reims, France
| | - Beth A Smith
- Division of Biokinesiology and Physical Therapy and Department of Pediatrics, University of Southern California, Los Angeles, California, USA
| | - Andrew M Wilson
- Greater Los Angeles VA HealthCare System, Department of Neurology, University of California, Los Angeles, Los Angeles, California, USA
| | - Abigail Dickinson
- Semel Institute of Neuroscience and Human Behavior, David Geffen School of Medicine, University of California, Los Angeles, Los Angeles, California, USA
| | - Tabitha Safari
- Semel Institute of Neuroscience and Human Behavior, David Geffen School of Medicine, University of California, Los Angeles, Los Angeles, California, USA
| | - Carly Hyde
- Semel Institute of Neuroscience and Human Behavior, David Geffen School of Medicine, University of California, Los Angeles, Los Angeles, California, USA
| | - Shafali S Jeste
- Semel Institute of Neuroscience and Human Behavior, David Geffen School of Medicine, University of California, Los Angeles, Los Angeles, California, USA
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15
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Yamagami M, Steele KM, Burden SA. Decoding Intent With Control Theory: Comparing Muscle Versus Manual Interface Performance. Proc SIGCHI Conf Hum Factor Comput Syst 2020; 2020. [PMID: 35342901 DOI: 10.1145/3313831.3376224] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 10/24/2022]
Abstract
Manual device interaction requires precise coordination which may be difficult for users with motor impairments. Muscle interfaces provide alternative interaction methods that may enhance performance, but have not yet been evaluated for simple (eg. mouse tracking) and complex (eg. driving) continuous tasks. Control theory enables us to probe continuous task performance by separating user input into intent and error correction to quantify how motor impairments impact device interaction. We compared the effectiveness of a manual versus a muscle interface for eleven users without and three users with motor impairments performing continuous tasks. Both user groups preferred and performed better with the muscle versus the manual interface for the complex continuous task. These results suggest muscle interfaces and algorithms that can detect and augment user intent may be especially useful for future design of interfaces for continuous tasks.
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16
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Aguayo V, Verdugo MA, Arias VB, Guillen VM, Amor AM. Assessing support needs in children with intellectual disability and motor impairments: measurement invariance and group differences. J Intellect Disabil Res 2019; 63:1413-1427. [PMID: 31486142 DOI: 10.1111/jir.12683] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 05/09/2019] [Revised: 07/18/2019] [Accepted: 08/02/2019] [Indexed: 06/10/2023]
Abstract
BACKGROUND This study assessed the equivalence of the measurement of support needs between children with intellectual disability (ID) and children with intellectual and motor disabilities (IMD) and compared both groups in the different domains of support. METHOD The Supports Intensity Scale-Children's Version was used to assess the support needs of 713 children with ID and 286 children with IMD, mainly associated with cerebral palsy. RESULTS The results supported measurement invariance between the group of ID and IMD, which allowed to conduct comparison between them. Children with IMD scored higher on support needs than did children without IMD, suggesting that children with IMD needed more support than their peers without motor impairments. Furthermore, the ID levels interacted with motor impairments: at the highest levels of ID, groups tended to be similar in support needs, with high scores and low variability. The greatest differences were found in the domains of Home and Community activities. CONCLUSIONS This study points to the across-condition of the construct of support needs in populations with intellectual and developmental disabilities. However, additional mobility impairments should be considered during the evaluation and planning of systems of support. In this regard, the Supports Intensity Scale-Children's Version might have limitations when discriminating between samples with high support needs.
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Affiliation(s)
- V Aguayo
- Institute on Community Integration, Department of Personality, Assessment, and Psychological Treatments, Faculty of Psychology, University of Salamanca, Salamanca, Spain
| | - M A Verdugo
- Institute on Community Integration, Department of Personality, Assessment, and Psychological Treatments, Faculty of Psychology, University of Salamanca, Salamanca, Spain
| | - V B Arias
- Institute on Community Integration, Department of Personality, Assessment, and Psychological Treatments, Faculty of Psychology, University of Salamanca, Salamanca, Spain
| | - V M Guillen
- Institute on Community Integration, Department of Education, Faculty of Education, University of Cantabria, Santander, Spain
| | - A M Amor
- Institute on Community Integration, Department of Personality, Assessment, and Psychological Treatments, Faculty of Psychology, University of Salamanca, Salamanca, Spain
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17
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Bricout VA, Pace M, Dumortier L, Miganeh S, Mahistre Y, Guinot M. Motor Capacities in Boys with High Functioning Autism: Which Evaluations to Choose? J Clin Med 2019; 8:E1521. [PMID: 31546634 DOI: 10.3390/jcm8101521] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [What about the content of this article? (0)] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/08/2019] [Revised: 09/13/2019] [Accepted: 09/16/2019] [Indexed: 11/17/2022] Open
Abstract
The difficulties with motor skills in children with autism spectrum disorders (ASD) has become a major focus of interest. Our objectives were to provide an overall profile of motor capacities in children with ASD compared to neurotypically developed children through specific tests, and to identify which motor tests best discriminate children with or without ASD. Twenty-two male children with ASD (ASD—10.7 ± 1.3 years) and twenty controls (CONT—10.0 ± 1.6 years) completed an evaluation with 42 motor tests from European Physical Fitness Test Battery (EUROFIT), the Physical and Neurological Exam for Subtle Signs (PANESS) and the Movement Assessment Battery for Children ( M-ABC). However, it was challenging to design a single global classifier to integrate all these features for effective classification due to the issue of small sample size. To this end, we proposed a hierarchical ensemble classification method to combine multilevel classifiers by gradually integrating a large number of features from different motor assessments. In the ASD group, flexibility, explosive power and strength scores (p < 0.01) were significantly lower compared to the control group. Our results also showed significant difficulties in children with ASD for dexterity and ball skills (p < 0.001). The principal component analysis and agglomerative hierarchical cluster analysis allowed for the classification of children based on motor tests, correctly distinguishing clusters between children with and without motor impairments.
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18
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Lodha N, Patel P, Casamento-Moran A, Hays E, Poisson SN, Christou EA. Strength or Motor Control: What Matters in High-Functioning Stroke? Front Neurol 2019; 9:1160. [PMID: 30687217 PMCID: PMC6333669 DOI: 10.3389/fneur.2018.01160] [Citation(s) in RCA: 16] [Impact Index Per Article: 3.2] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/18/2018] [Accepted: 12/14/2018] [Indexed: 01/13/2023] Open
Abstract
Background: The two primary motor impairments that hinder function after stroke are declines in strength and motor control. The impact of motor impairments on functional capacity may vary with the severity of stroke motor impairments. In this study, we focus on high-functioning stroke individuals who experience mild to moderate motor impairments and often resume prior activities or return to work. These tasks require the ability to move independently, placing high demands on their functional mobility. Therefore, the purpose of this study was to quantify impairments in strength and motor control and their contribution to functional mobility in high-functioning stroke. Methods:Twenty-one high-functioning stroke individuals (Fugl Meyer Lower Extremity Score = 28.67 ± 4.85; Functional Activity Index = 28.47 ± 7.04) and 21 age-matched healthy controls participated in this study. To examine motor impairments in strength and motor control, participants performed the following tasks with the paretic ankle (1) maximum voluntary contractions (MVC) and (2) visuomotor tracking of a sinusoidal trajectory. Strength was quantified as the maximum force produced during ankle plantarflexion and dorsiflexion. Motor control was quantified as (a) the accuracy and (b) variability of ankle movement during the visuomotor tracking task. For functional mobility, participants performed (1) overground walking for 7 meters and (2) simulated driving task. Functional mobility was determined by walking speed, stride length variability, and braking reaction time. Results: Compared with the controls, the stroke group showed decreased plantarflexion strength, decreased accuracy, and increased variability of ankle movement. In addition, the stroke group demonstrated decreased walking speed, increased stride length variability, and increased braking reaction time. The multiple-linear regression model revealed that motor accuracy was a significant predictor of the walking speed and braking reaction time. Further, motor variability was a significant predictor of stride length variability. Finally, the dorsiflexion or plantarflexion strength did not predict walking speed, stride length variability or braking reaction time. Conclusions: The impairments in motor control but not strength predict functional deficits in walking and driving in high-functioning stroke individuals. Therefore, rehabilitation interventions assessing and improving motor control will potentially enhance functional outcomes in high-functioning stroke survivors.
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Affiliation(s)
- Neha Lodha
- Department of Health and Exercise Science, Colorado State University, Fort Collins, CO, United States
| | - Prakruti Patel
- Department of Health and Exercise Science, Colorado State University, Fort Collins, CO, United States
| | - Agostina Casamento-Moran
- Department of Applied Physiology and Kinesiology, University of Florida, Gainesville, FL, United States
| | - Emily Hays
- Department of Applied Physiology and Kinesiology, University of Florida, Gainesville, FL, United States
| | - Sharon N Poisson
- Department of Neurology, University of Colorado, Aurora, CO, United States
| | - Evangelos A Christou
- Department of Applied Physiology and Kinesiology, University of Florida, Gainesville, FL, United States
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Bricout VA, Pace M, Dumortier L, Baillieul F, Favre-Juvin A, Guinot M. Reduced Cardiorespiratory Capacity in Children with Autism Spectrum Disorders. J Clin Med 2018; 7:jcm7100361. [PMID: 30332742 PMCID: PMC6210329 DOI: 10.3390/jcm7100361] [Citation(s) in RCA: 13] [Impact Index Per Article: 2.2] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/04/2018] [Revised: 10/12/2018] [Accepted: 10/13/2018] [Indexed: 11/16/2022] Open
Abstract
Background—Children with autistic spectrum disorders (ASDs) are frequently hampered by motor impairment. It limits them from regularly practicing physical activities and results in a lower physical fitness even though low cardiorespiratory fitness is one of the most important predictors of all-cause mortality. This study aimed to investigate the cardiorespiratory fitness of boys with ASD compared to typically developed children. Methods—forty male children participated. Twenty were control children (CONT—10.0 ± 1.6 years) and 20 were ASD children (ASD—10.7 ± 1.2 years; intellectual quotient > 70). All participants completed an incremental exercise test on a treadmill. An evaluation of motor characteristics by three tests was conducted (muscular strength; explosive power; flexibility). Assessments of daily physical activity were obtained by questionnaires (PAQ-C) and by actigraphy. Results—in the ASD group, aerobic capacity values (VO2peak), effort duration and maximal speed were significantly lower compared to CONT (p < 0.05). Flexibility, explosive power and muscular strength were significantly lower in ASD compared to CONT (p < 0.05). Similarities between all children were observed for physical activity evaluation by actigraphy and with the PAQ-C. Conclusions—children with ASD had lower cardiorespiratory fitness than CONT despite similar physical activity levels. Our results suggested that the difference may be due to motor discrepancies.
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Affiliation(s)
- Véronique-Aurélie Bricout
- Université Grenoble Alpes, INSERM U1042, HP2, F-38000 Grenoble, France.
- UM Sports et Pathologies, CHU Sud, CS 90338, Avenue de Kimberley, F-38434 Echirolles CEDEX, France.
- CHU de Grenoble, UF Recherche Exercice, UM Sports et Pathologies, F-38000 Grenoble, France.
| | - Marion Pace
- CHU de Grenoble, UF Recherche Exercice, UM Sports et Pathologies, F-38000 Grenoble, France.
| | - Léa Dumortier
- Université Grenoble Alpes, INSERM U1042, HP2, F-38000 Grenoble, France.
- CHU de Grenoble, UF Recherche Exercice, UM Sports et Pathologies, F-38000 Grenoble, France.
| | - Flavie Baillieul
- CHU de Grenoble, UF Recherche Exercice, UM Sports et Pathologies, F-38000 Grenoble, France.
| | - Anne Favre-Juvin
- UM Sports et Pathologies, CHU Sud, CS 90338, Avenue de Kimberley, F-38434 Echirolles CEDEX, France.
- CHU de Grenoble, UF Recherche Exercice, UM Sports et Pathologies, F-38000 Grenoble, France.
| | - Michel Guinot
- UM Sports et Pathologies, CHU Sud, CS 90338, Avenue de Kimberley, F-38434 Echirolles CEDEX, France.
- CHU de Grenoble, UF Recherche Exercice, UM Sports et Pathologies, F-38000 Grenoble, France.
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Chirino A, Hernandez-Castillo CR, Galvez V, Contreras A, Diaz R, Beltran-Parrazal L, Fernandez-Ruiz J. Motor and cognitive impairments in spinocerebellar ataxia type 7 and its correlations with cortical volumes. Eur J Neurosci 2018; 48:3199-3211. [PMID: 30255962 DOI: 10.1111/ejn.14148] [Citation(s) in RCA: 15] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/29/2018] [Revised: 08/22/2018] [Accepted: 09/10/2018] [Indexed: 02/07/2023]
Abstract
Spinocerebellar Ataxia Type 7 (SCA7) is a neurodegenerative disorder caused by cytosine-adenine-guanine (CAG) repeat expansion. It is clinically characterized by ataxia and visual loss. To date, little is known about SCA7 cognitive impairments and its relationship with grey matter volume (GMV) changes. The aim of this study was to explore SCA7 patients' performance in specific components of auditory-verbal neuropsychological tests and to correlate their scores with genetic mutation, severity of ataxia and GMV. We assessed verbal memory and verbal fluency proficiencies in 31 genetically confirmed SCA7 patients, and compared their results with 32 healthy matched volunteers; we also correlated CAG repeats and severity of motor symptoms with performance in the auditory-verbal tests. SCA7 patients exhibited deficiencies in several components of these cognitive tasks, which were independent of motor impairments and showed no relation to CAG repeats. Based on Resonance Images performed in 27 patients we found association between ataxia severity and GMV in "sensoriomotor" cerebellum, as well as correlations of impaired verbal memory and semantic fluency scores with GMV in association cortices, including the right parahippocampal gyrus. To our knowledge, this is the first report of deficits in the organization of semantic information and in the evocation of verbal material, as well as greater susceptibility to proactive interference in SCA7 patients. These findings bring novel information about specific cognitive abilities in SCA7 patients, particularly verbal memory and fluency, and their relation with GMV variations in circumscribed brain regions, including association cortices known to have functional relationships with the cerebellum.
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Affiliation(s)
- Amanda Chirino
- Departamento de Fisiología, Facultad de Medicina, Universidad Nacional Autónoma de México, Ciudad de México, México
| | | | - Victor Galvez
- Laboratorio de Neurociencias cognitivas y desarrollo, Escuela de Psicología, Universidad Panamericana, Ciudad de México, México
| | - Anabel Contreras
- Centro de Investigaciones Cerebrales, Universidad Veracruzana, Xalapa, México
| | - Rosalinda Diaz
- Departamento de Fisiología, Facultad de Medicina, Universidad Nacional Autónoma de México, Ciudad de México, México
| | | | - Juan Fernandez-Ruiz
- Departamento de Fisiología, Facultad de Medicina, Universidad Nacional Autónoma de México, Ciudad de México, México.,Facultad de Psicología, Universidad Veracruzana, Xalapa, México
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21
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Fulceri F, Grossi E, Contaldo A, Narzisi A, Apicella F, Parrini I, Tancredi R, Calderoni S, Muratori F. Motor Skills as Moderators of Core Symptoms in Autism Spectrum Disorders: Preliminary Data From an Exploratory Analysis With Artificial Neural Networks. Front Psychol 2018; 9:2683. [PMID: 30687159 PMCID: PMC6333655 DOI: 10.3389/fpsyg.2018.02683] [Citation(s) in RCA: 25] [Impact Index Per Article: 4.2] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/21/2018] [Accepted: 12/13/2018] [Indexed: 02/05/2023] Open
Abstract
Motor disturbances have been widely observed in children with autism spectrum disorder (ASD), and motor problems are currently reported as associated features supporting the diagnosis of ASD in the current Diagnostic and Statistical Manual of Mental Disorders (DSM-5). Studies on this issue reported disturbances in different motor domains, including both gross and fine motor areas as well as coordination, postural control, and standing balance. However, they failed to clearly state whether motor impairments are related to demographical and developmental features of ASD. Both the different methodological approaches assessing motor skills and the heterogeneity in clinical features of participants analyzed have been implicated as contributors to variance in findings. However, the non-linearity of the relationships between variables may account for the inability of the traditional analysis to grasp the core problem suggesting that the "single symptom approach analysis" should be overcome. Artificial neural networks (ANNs) are computational adaptive systems inspired by the functioning processes of the human brain particularly adapted to solving non-linear problems. This study aimed to apply the ANNs to reveal the entire spectrum of the relationship between motor skills and clinical variables. Thirty-two male children with ASD [mean age: 48.5 months (SD: 8.8); age range: 30-60 months] were recruited in a tertiary care university hospital. A multidisciplinary comprehensive diagnostic evaluation was associated with a standardized assessment battery for motor skills, the Peabody Developmental Motor Scale-Second Edition. Exploratory analyses were performed through the ANNs. The findings revealed that poor motor skills were a common clinical feature of preschoolers with ASD, relating both to the high level of repetitive behaviors and to the low level of expressive language. Moreover, unobvious trends among motor, cognitive and social skills have been detected. In conclusion, motor abnormalities in preschoolers with ASD were widespread, and the degree of impairment may inform clinicians about the severity of ASD core symptoms. Understanding motor disturbances in children with ASD may be relevant to clarify neurobiological basis and ultimately to guide the development of tailored treatments.
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Affiliation(s)
- Francesca Fulceri
- Research Coordination and Support Service, Istituto Superiore di Sanità, Rome, Italy
| | - Enzo Grossi
- Autism Research Unit, Villa Santa Maria Institute, Tavernerio, Italy
| | | | | | | | | | | | - Sara Calderoni
- IRCCS Fondazione Stella Maris, Pisa, Italy
- Department of Clinical and Experimental Medicine, University of Pisa, Pisa, Italy
- *Correspondence: Sara Calderoni, ;
| | - Filippo Muratori
- IRCCS Fondazione Stella Maris, Pisa, Italy
- Department of Clinical and Experimental Medicine, University of Pisa, Pisa, Italy
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22
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Simon-Martinez C, Jaspers E, Mailleux L, Desloovere K, Vanrenterghem J, Ortibus E, Molenaers G, Feys H, Klingels K. Negative Influence of Motor Impairments on Upper Limb Movement Patterns in Children with Unilateral Cerebral Palsy. A Statistical Parametric Mapping Study. Front Hum Neurosci 2017; 11:482. [PMID: 29051729 PMCID: PMC5633911 DOI: 10.3389/fnhum.2017.00482] [Citation(s) in RCA: 13] [Impact Index Per Article: 1.9] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/31/2017] [Accepted: 09/19/2017] [Indexed: 11/13/2022] Open
Abstract
Upper limb three-dimensional movement analysis (UL-3DMA) offers a reliable and valid tool to evaluate movement patterns in children with unilateral cerebral palsy (uCP). However, it remains unknown to what extent the underlying motor impairments explain deviant movement patterns. Such understanding is key to develop efficient rehabilitation programs. Although UL-3DMA has been shown to be a useful tool to assess movement patterns, it results in a multitude of data, challenging the clinical interpretation and consequently its implementation. UL-3DMA reports are often reduced to summary metrics, such as average or peak values per joint. However, these metrics do not take into account the continuous nature of the data or the interdependency between UL joints, and do not provide phase-specific information of the movement pattern. Moreover, summary metrics may not be sensitive enough to estimate the impact of motor impairments. Recently, Statistical Parametric Mapping (SPM) was proposed to overcome these problems. We collected UL-3DMA of 60 children with uCP and 60 typically developing children during eight functional tasks and evaluated the impact of spasticity and muscle weakness on UL movement patterns. SPM vector field analysis was used to analyze movement patterns at the level of five joints (wrist, elbow, shoulder, scapula, and trunk). Children with uCP showed deviant movement patterns in all joints during a large percentage of the movement cycle. Spasticity and muscle weakness negatively impacted on UL movement patterns during all tasks, which resulted in increased wrist flexion, elbow pronation and flexion, increased shoulder external rotation, decreased shoulder elevation with a preference for movement in the frontal plane and increased trunk internal rotation. Scapular position was altered during movement initiation, although scapular movements were not affected by muscle weakness or spasticity. In conclusion, we identified pathological movement patterns in children with uCP and additionally mapped the negative impact of spasticity and muscle weakness on these movement patterns, providing useful insights that will contribute to treatment planning. Last, we also identified a subset of the most relevant tasks for studying UL movements in children with uCP, which will facilitate the interpretation of UL-3DMA data and undoubtedly contribute to its clinical implementation.
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Affiliation(s)
| | - Ellen Jaspers
- Neural Control of Movement Lab, ETH Zurich, Zurich, Switzerland
| | - Lisa Mailleux
- Department of Rehabilitation Sciences, KU Leuven, Leuven, Belgium
| | - Kaat Desloovere
- Department of Rehabilitation Sciences, KU Leuven, Leuven, Belgium.,Clinical Motion Analysis Laboratory, University Hospitals Leuven, Leuven, Belgium
| | | | - Els Ortibus
- Department of Development and Regeneration, KU Leuven, Leuven, Belgium
| | - Guy Molenaers
- Department of Development and Regeneration, KU Leuven, Leuven, Belgium.,Department of Orthopedic Medicine, University Hospitals Leuven, Leuven, Belgium
| | - Hilde Feys
- Department of Rehabilitation Sciences, KU Leuven, Leuven, Belgium
| | - Katrijn Klingels
- Department of Rehabilitation Sciences, KU Leuven, Leuven, Belgium.,Rehabilitation Research Center (REVAL), BIOMED, University of Hasselt, Diepenbeek, Belgium
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23
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Abstract
Background and purpose Transient ischemic attack (TIA) increases the risk for a subsequent stroke. Typical symptoms include motor weakness, gait disturbance, and loss of coordination. The association between the presence of motor impairments during a TIA and the chances of a subsequent stroke has not been examined. In the current meta-analysis, we examine whether the odds of a stroke are greater in TIA individuals who experience motor impairments as compared with those who do not experience motor impairments. Methods We conducted a systematic search of electronic databases as well as manual searches of the reference lists of retrieved articles. The meta-analysis included studies that reported an odds ratio relating motor impairments to a subsequent stroke, or the number of individuals with or without motor impairments who experienced a subsequent stroke. We examined these studies using rigorous meta-analysis techniques including random effects model, forest and funnel plots, I2, publication bias, and fail-safe analysis. Results Twenty-four studies with 15,129 participants from North America, Australia, Asia, and Europe qualified for inclusion. An odds ratio of 2.11 (95% CI, 1.67–2.65, p = 0.000) suggested that the chances of a subsequent stroke are increased by twofolds in individuals who experience motor impairments during a TIA compared with those individuals who have no motor impairments. Conclusion The presence of motor impairments during TIA is a significantly high-risk clinical characteristic for a subsequent stroke. The current evidence for motor impairments following TIA relies exclusively on the clinical reports of unilateral motor weakness. A comprehensive examination of motor impairments in TIA will enhance TIA prognosis and restoration of residual motor impairments.
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Affiliation(s)
- Neha Lodha
- Department of Health and Exercise Science, Colorado State University, Fort Collins, CO, United States
| | - Jane Harrell
- Department of Applied Physiology and Kinesiology, University of Florida, Gainesville, FL, United States
| | - Stephan Eisenschenk
- Department of Neurology, University of Florida, Gainesville, FL, United States
| | - Evangelos A Christou
- Department of Applied Physiology and Kinesiology, University of Florida, Gainesville, FL, United States
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24
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Alves-Cruzeiro JMDC, Mendonça L, Pereira de Almeida L, Nóbrega C. Motor Dysfunctions and Neuropathology in Mouse Models of Spinocerebellar Ataxia Type 2: A Comprehensive Review. Front Neurosci 2016; 10:572. [PMID: 28018166 PMCID: PMC5156697 DOI: 10.3389/fnins.2016.00572] [Citation(s) in RCA: 17] [Impact Index Per Article: 2.1] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/12/2016] [Accepted: 11/28/2016] [Indexed: 12/16/2022] Open
Abstract
Spinocerebellar ataxia type 2 (SCA2) is an autosomal dominant ataxia caused by an expansion of CAG repeats in the exon 1 of the gene ATXN2, conferring a gain of toxic function that triggers the appearance of the disease phenotype. SCA2 is characterized by several symptoms including progressive gait ataxia and dysarthria, slow saccadic eye movements, sleep disturbances, cognitive impairments, and psychological dysfunctions such as insomnia and depression, among others. The available treatments rely on palliative care, which mitigate some of the major symptoms but ultimately fail to block the disease progression. This persistent lack of effective therapies led to the development of several models in yeast, C. elegans, D. melanogaster, and mice to serve as platforms for testing new therapeutic strategies and to accelerate the research on the complex disease mechanisms. In this work, we review 4 transgenic and 1 knock-in mouse that exhibit a SCA2-related phenotype and discuss their usefulness in addressing different scientific problems. The knock-in mice are extremely faithful to the human disease, with late onset of symptoms and physiological levels of mutant ataxin-2, while the other transgenic possess robust and well-characterized motor impairments and neuropathological features. Furthermore, a new BAC model of SCA2 shows promise to study the recently explored role of non-coding RNAs as a major pathogenic mechanism in this devastating disorder. Focusing on specific aspects of the behavior and neuropathology, as well as technical aspects, we provide a highly practical description and comparison of all the models with the purpose of creating a useful resource for SCA2 researchers worldwide.
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Affiliation(s)
| | - Liliana Mendonça
- Center for Neuroscience and Cell Biology, University of Coimbra Coimbra, Portugal
| | - Luís Pereira de Almeida
- Center for Neuroscience and Cell Biology, University of CoimbraCoimbra, Portugal; Faculty of Pharmacy, University of CoimbraCoimbra, Portugal
| | - Clévio Nóbrega
- Department of Biomedical Sciences and Medicine and Center for Biomedical Research, University of Algarve Faro, Portugal
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25
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Guan X, Xuan M, Gu Q, Xu X, Huang P, Wang N, Shen Z, Xu J, Luo W, Zhang M. Influence of regional iron on the motor impairments of Parkinson's disease: A quantitative susceptibility mapping study. J Magn Reson Imaging 2016; 45:1335-1342. [PMID: 27545971 DOI: 10.1002/jmri.25434] [Citation(s) in RCA: 53] [Impact Index Per Article: 6.6] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/22/2016] [Accepted: 08/05/2016] [Indexed: 12/24/2022] Open
Abstract
PURPOSE Because the roles of striatal-thalamo-cortical and cerebello-thalamo-cortical circuits in the heterogeneous motor impairments of Parkinson's disease (PD) are becoming recognized, this study was designed to investigate the relationships between regional iron in the cardinal subcortical nuclei in these circuits and the different motor impairments. MATERIALS AND METHODS Sixty-two PD patients and 40 normal subjects were included and accepted for Enhanced T2 -Star Weighted Angiography Scanning (3.0T). According to the Unified Parkinson's Disease Rating Scale, patients were divided into tremor-dominant (PD-TD) and akinetic/rigid-dominant groups (PD-AR). The intergroup differences of magnetic susceptibility in those cardinal nuclei were measured. Correlation analyses between magnetic susceptibility and motor impairments were performed in all patients. RESULTS Nigral magnetic susceptibility significantly increased for each PD group compared with controls (P < 0.001 for PD-TD; P = 0.001 for PD-AR). Magnetic susceptibility in the dentate nucleus (DN) and red nucleus (RN) for the PD-TD patients were significantly increased compared with controls (P < 0.001 and P = 0.004, respectively). Magnetic susceptibility in these regions was also significantly correlated with tremor severity (r = 0.444, P = 0.001 for DN; r = 0.418, P = 0.001 for RN). Significant correlation between caudate magnetic susceptibility and akinetic/rigid severity were observed (r = -0.322, P = 0.015). CONCLUSION This study provides evidence that nigral iron accumulation is a common characteristic in PD, while iron accumulation in the DN and RN is correlated with tremor symptoms. Our data also indicate that caudate iron content may be a potential marker for akinetic/rigid progression. LEVEL OF EVIDENCE 3 J. MAGN. RESON. IMAGING 2017;45:1335-1342.
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Affiliation(s)
- Xiaojun Guan
- Department of Radiology, Second Affiliated Hospital, Zhejiang University School of Medicine, Hangzhou, China
| | - Min Xuan
- Department of Radiology, Second Affiliated Hospital, Zhejiang University School of Medicine, Hangzhou, China
| | - Quanquan Gu
- Department of Radiology, Second Affiliated Hospital, Zhejiang University School of Medicine, Hangzhou, China
| | - Xiaojun Xu
- Department of Radiology, Second Affiliated Hospital, Zhejiang University School of Medicine, Hangzhou, China
| | - Peiyu Huang
- Department of Radiology, Second Affiliated Hospital, Zhejiang University School of Medicine, Hangzhou, China
| | - Nian Wang
- Brain Imaging and Analysis Center, Duke University School of Medicine, Durham, North Carolina, USA
| | - Zhujing Shen
- Department of Radiology, Second Affiliated Hospital, Zhejiang University School of Medicine, Hangzhou, China
| | - Jingjing Xu
- Department of Radiology, Second Affiliated Hospital, Zhejiang University School of Medicine, Hangzhou, China
| | - Wei Luo
- Department of Neurology, Second Affiliated Hospital, Zhejiang University School of Medicine, Hangzhou, China
| | - Minming Zhang
- Department of Radiology, Second Affiliated Hospital, Zhejiang University School of Medicine, Hangzhou, China
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26
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Chen M, Wang T, Yue F, Li X, Wang P, Li Y, Chan P, Yu S. Tea polyphenols alleviate motor impairments, dopaminergic neuronal injury, and cerebral α-synuclein aggregation in MPTP-intoxicated parkinsonian monkeys. Neuroscience 2014; 286:383-92. [PMID: 25498223 DOI: 10.1016/j.neuroscience.2014.12.003] [Citation(s) in RCA: 62] [Impact Index Per Article: 6.2] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/28/2014] [Revised: 12/02/2014] [Accepted: 12/03/2014] [Indexed: 01/08/2023]
Abstract
Tea polyphenols (TPs) are bioactive flavanol-related catechins that have been shown to protect dopaminergic (DAergic) neurons against neurotoxin-induced injury in mouse Parkinson's disease (PD) models. However, the neuroprotective efficacy of TP has not been investigated in nonhuman PD primates, which can more accurately model the neuropathology and motor impairments of human PD patients. Here, we show that oral administration of TP alleviates motor impairments and DAergic neuronal injury in the substantia nigra in N-methyl-4-phenyl-1,2,3,6-tetrahydropyridine (MPTP)-intoxicated PD monkeys, indicating an association between protection against motor deficits and preservation of DAergic neurons. We also show a significant inhibition of MPTP-induced accumulation of neurotoxic α-synuclein (α-syn) oligomers in the striatum and other brain regions, which may contribute to the neuroprotection and improved motor function conferred by TP. The association between reduced α-syn oligomerization and neuroprotection was confirmed in cultured DAergic cells. The most abundant and bioactive TP in the mixture used in vivo, (-)-epigallocatechin-3-gallate, reduced intracellular levels of α-syn oligomers in neurons treated with α-syn oligomers, 1-methyl-4-phenylpyridiniumion, or both, accompanied by increased cell viability. The present study provides the first evidence that TP can alleviate motor impairments, DAergic neuronal injury, and α-syn aggregation in nonhuman primates.
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Affiliation(s)
- M Chen
- Department of Neurobiology, Xuanwu Hospital of Capital Medical University, Beijing, China; Department of Human Anatomy, School of Basic Medical Sciences, Guilin Medical University, Guilin, China
| | - T Wang
- Department of Neurobiology, Xuanwu Hospital of Capital Medical University, Beijing, China
| | - F Yue
- Department of Neurobiology, Xuanwu Hospital of Capital Medical University, Beijing, China; Key Laboratory of Neurodegenerative Diseases (Capital Medical University), Ministry of Education, Beijing, China
| | - X Li
- Department of Neurobiology, Xuanwu Hospital of Capital Medical University, Beijing, China; Key Laboratory of Neurodegenerative Diseases (Capital Medical University), Ministry of Education, Beijing, China
| | - P Wang
- Department of Neurobiology, Xuanwu Hospital of Capital Medical University, Beijing, China; Key Laboratory of Neurodegenerative Diseases (Capital Medical University), Ministry of Education, Beijing, China
| | - Y Li
- Department of Neurobiology, Xuanwu Hospital of Capital Medical University, Beijing, China; Key Laboratory of Neurodegenerative Diseases (Capital Medical University), Ministry of Education, Beijing, China
| | - P Chan
- Department of Neurobiology, Xuanwu Hospital of Capital Medical University, Beijing, China; Key Laboratory of Neurodegenerative Diseases (Capital Medical University), Ministry of Education, Beijing, China; Beijing Institute for Brain Disorders Parkinson's Disease Center, Beijing, China
| | - S Yu
- Department of Neurobiology, Xuanwu Hospital of Capital Medical University, Beijing, China; Key Laboratory of Neurodegenerative Diseases (Capital Medical University), Ministry of Education, Beijing, China; Beijing Institute for Brain Disorders Parkinson's Disease Center, Beijing, China.
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