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Levy T, Gluckman J, Siper PM, Halpern D, Zweifach J, Filip-Dhima R, Holder JL, Trelles MP, Johnson K, Bernstein JA, Berry-Kravis E, Powell CM, Soorya LV, Thurm A, Buxbaum JD, Sahin M, Kolevzon A, Srivastava S. Clinical, genetic, and cognitive correlates of seizure occurrences in Phelan-McDermid syndrome. J Neurodev Disord 2024; 16:25. [PMID: 38730350 PMCID: PMC11084001 DOI: 10.1186/s11689-024-09541-0] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 03/04/2024] [Accepted: 05/03/2024] [Indexed: 05/12/2024] Open
Abstract
BACKGROUND Phelan-McDermid syndrome (PMS) is a genetic neurodevelopmental disorder caused by SHANK3 haploinsufficiency and is associated with an increased risk for seizures. Previous literature indicates that around one third of individuals with PMS also have epilepsy or seizures, with a wide range of types and ages of onset. Investigating the impact of seizures on intellectual and adaptive functioning for PMS is a primary concern for caregivers and is important to understanding the natural history of this syndrome. METHODS We report on results from 98 individuals enrolled in a prospective, longitudinal study. We detailed seizure frequency, type, and age of onset, and we analyzed seizure occurrence with best estimate IQ, adaptive functioning, clinical features, and genotype. We conducted multiple linear regression analyses to assess the relationship between the presence of seizures and the Vineland Adaptive Behavior Scale, Second Edition (VABS-II) Adaptive Behavior Composite score and the best estimate full-scale IQ. We also performed Chi-square tests to explore associations between seizure prevalence and genetic groupings. Finally, we performed Chi-square tests and t-tests to explore the relationship between seizures and demographic features, features that manifest in infancy, and medical features. RESULTS Seizures were present in 41% of the cohort, and age of onset was widely variable. The presence of seizures was associated with significantly lower adaptive and intellectual functioning. Genotype-phenotype analyses were discrepant, with no differences in seizure prevalence across genetic classes, but with more genes included in deletions of participants with 22q13 deletions and seizures compared to those with 22q13 deletions and no seizures. No clinical associations were found between the presence of seizures and sex, history of pre- or neonatal complications, early infancy, or medical features. In this cohort, generalized seizures were associated with developmental regression, which is a top concern for PMS caregivers. CONCLUSIONS These results begin to eludicate correlates of seizures in individuals with PMS and highlight the importance of early seizure management. Importantly, presence of seizures was associated with adaptive and cognitive functioning. A larger cohort might be able to identify additional associations with medical features. Genetic findings suggest an increased capability to realize genotype-phenotype relationships when deletion size is taken into account.
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Affiliation(s)
- Tess Levy
- Seaver Autism Center for Research and Treatment, Icahn School of Medicine at Mount Sinai, New York, NY, 10029, USA
- Department of Psychiatry, Icahn School of Medicine at Mount Sinai, New York, NY, 10029, USA
| | - Jacob Gluckman
- Seaver Autism Center for Research and Treatment, Icahn School of Medicine at Mount Sinai, New York, NY, 10029, USA
- Department of Psychiatry, Icahn School of Medicine at Mount Sinai, New York, NY, 10029, USA
| | - Paige M Siper
- Seaver Autism Center for Research and Treatment, Icahn School of Medicine at Mount Sinai, New York, NY, 10029, USA
- Department of Psychiatry, Icahn School of Medicine at Mount Sinai, New York, NY, 10029, USA
| | - Danielle Halpern
- Seaver Autism Center for Research and Treatment, Icahn School of Medicine at Mount Sinai, New York, NY, 10029, USA
- Department of Psychiatry, Icahn School of Medicine at Mount Sinai, New York, NY, 10029, USA
| | - Jessica Zweifach
- Seaver Autism Center for Research and Treatment, Icahn School of Medicine at Mount Sinai, New York, NY, 10029, USA
- Department of Psychiatry, Icahn School of Medicine at Mount Sinai, New York, NY, 10029, USA
| | - Rajna Filip-Dhima
- Department of Neurology, Rosamund Stone Zander Translational Neuroscience Center, Boston Children's Hospital, Harvard Medical School, 300 Longwood Avenue, Boston, MA, 02115, USA
- F.M. Kirby Neurobiology Center, Boston Children's Hospital, Harvard Medical School, Boston, MA, 02115, USA
| | - J Lloyd Holder
- Department of Pediatrics, Division of Neurology and Developmental Neuroscience, Baylor College of Medicine, Houston, TX, 77030, USA
- Jan and Dan Duncan Neurological Research Institute, Texas Children's Hospital, Houston, TX, 77030, USA
| | - M Pilar Trelles
- Department of Neurology, Rosamund Stone Zander Translational Neuroscience Center, Boston Children's Hospital, Harvard Medical School, 300 Longwood Avenue, Boston, MA, 02115, USA
- F.M. Kirby Neurobiology Center, Boston Children's Hospital, Harvard Medical School, Boston, MA, 02115, USA
| | - Kristina Johnson
- Department of Neurology, Rosamund Stone Zander Translational Neuroscience Center, Boston Children's Hospital, Harvard Medical School, 300 Longwood Avenue, Boston, MA, 02115, USA
- Department of Electrical & Computer Engineering, Northeastern University, Boston, MA, 02115, USA
- Department of Communication Sciences & Disorders, Northeastern University, Boston, MA, 02115, USA
| | - Jonathan A Bernstein
- Department of Pediatrics, Stanford University School of Medicine, Stanford, CA, 94304, USA
| | - Elizabeth Berry-Kravis
- Department of Pediatrics, Rush University Medical Center, Chicago, IL, 60612, USA
- Department of Neurological Sciences, Rush University Medical Center, Chicago, IL, 60612, USA
- Department of Anatomy and Cell Biology, Rush University Medical Center, Chicago, IL, 60612, USA
| | - Craig M Powell
- Department of Neurobiology, University of Alabama at Birmingham Heersink School of Medicine, Birmingham, AL, 35233, USA
- Civitan International Research Center, University of Alabama at Birmingham, Birmingham, AL, 352233, USA
| | - Latha Valluripalli Soorya
- Department of Psychiatry & Behavioral Sciences, Rush University Medical Center, Chicago, IL, 60612, USA
| | - Audrey Thurm
- Neurodevelopmental and Behavioral Phenotyping Service, National Institute of Mental Health, National Institutes of Health, Bethesda, MD, 20892, USA
| | - Joseph D Buxbaum
- Seaver Autism Center for Research and Treatment, Icahn School of Medicine at Mount Sinai, New York, NY, 10029, USA
- Department of Psychiatry, Icahn School of Medicine at Mount Sinai, New York, NY, 10029, USA
- The Mindich Child Health and Development Institute, Icahn School of Medicine at Mount Sinai, New York, NY, 10029, USA
- Friedman Brain Institute, Icahn School of Medicine at Mount Sinai, New York, NY, 10029, USA
- Department of Genetics and Genomic Sciences, Icahn School of Medicine at Mount Sinai, New York, NY, 10029, USA
- Department of Neuroscience, Icahn School of Medicine at Mount Sinai, New York, NY, 10029, USA
| | - Mustafa Sahin
- Department of Neurology, Rosamund Stone Zander Translational Neuroscience Center, Boston Children's Hospital, Harvard Medical School, 300 Longwood Avenue, Boston, MA, 02115, USA
- F.M. Kirby Neurobiology Center, Boston Children's Hospital, Harvard Medical School, Boston, MA, 02115, USA
| | - Alexander Kolevzon
- Seaver Autism Center for Research and Treatment, Icahn School of Medicine at Mount Sinai, New York, NY, 10029, USA
- Department of Psychiatry, Icahn School of Medicine at Mount Sinai, New York, NY, 10029, USA
- The Mindich Child Health and Development Institute, Icahn School of Medicine at Mount Sinai, New York, NY, 10029, USA
- Department of Pediatrics, Icahn School of Medicine at Mount Sinai, New York, NY, 10029, USA
| | - Siddharth Srivastava
- Department of Neurology, Rosamund Stone Zander Translational Neuroscience Center, Boston Children's Hospital, Harvard Medical School, 300 Longwood Avenue, Boston, MA, 02115, USA.
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Jimenez-Gomez A, Nguyen MX, Gill JS. Understanding the role of AMPA receptors in autism: insights from circuit and synapse dysfunction. Front Psychiatry 2024; 15:1304300. [PMID: 38352654 PMCID: PMC10861716 DOI: 10.3389/fpsyt.2024.1304300] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 09/29/2023] [Accepted: 01/08/2024] [Indexed: 02/16/2024] Open
Abstract
Autism spectrum disorders represent a diverse etiological spectrum that converge on a syndrome characterized by discrepant deficits in developmental domains often highlighted by concerns in socialization, sensory integration, and autonomic functioning. Importantly, the incidence and prevalence of autism spectrum disorders have seen sharp increases since the syndrome was first described in the 1940s. The wide etiological spectrum and rising number of individuals being diagnosed with the condition lend urgency to capturing a more nuanced understanding of the pathogenic mechanisms underlying the autism spectrum disorders. The current review seeks to understand how the disruption of AMPA receptor (AMPAr)-mediated neurotransmission in the cerebro-cerebellar circuit, particularly in genetic autism related to SHANK3 or SYNGAP1 protein dysfunction function and autism associated with in utero exposure to the anti-seizure medications valproic acid and topiramate, may contribute to the disease presentation. Initially, a discussion contextualizing AMPAr signaling in the cerebro-cerebellar circuitry and microstructural circuit considerations is offered. Subsequently, a detailed review of the literature implicating mutations or deletions of SHANK3 and SYNGAP1 in disrupted AMPAr signaling reveals how bidirectional pathogenic modulation of this key circuit may contribute to autism. Finally, how pharmacological exposure may interact with this pathway, via increased risk of autism diagnosis with valproic acid and topiramate exposure and potential treatment of autism using AMPAr modulator perampanel, is discussed. Through the lens of the review, we will offer speculation on how neuromodulation may be used as a rational adjunct to therapy. Together, the present review seeks to synthesize the disparate considerations of circuit understanding, genetic etiology, and pharmacological modulation to understand the mechanistic interaction of this important and complex disorder.
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Affiliation(s)
- Andres Jimenez-Gomez
- Neurodevelopmental Disabilities Program, Department of Neurology, Joe DiMaggio Children’s Hospital, Hollywood, FL, United States
| | - Megan X. Nguyen
- Department of Pediatrics, Division of Neurology & Developmental Neurosciences, Baylor College of Medicine, Houston, TX, United States
- Jan & Dan Duncan Neurologic Research Institute, Texas Children’s Hospital, Houston, TX, United States
| | - Jason S. Gill
- Department of Pediatrics, Division of Neurology & Developmental Neurosciences, Baylor College of Medicine, Houston, TX, United States
- Jan & Dan Duncan Neurologic Research Institute, Texas Children’s Hospital, Houston, TX, United States
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García-Bravo C, Martínez-Piédrola RM, García-Bravo S, Rodríguez-Pérez MP, Martín-Gómez AS, Fernández-Gómez G, Palacios-Ceña D. Living with and managing seizures among parents of children diagnosed with Phelan-McDermid syndrome: a qualitative study using in-depth interviews. Eur J Pediatr 2024; 183:253-262. [PMID: 37870610 DOI: 10.1007/s00431-023-05285-6] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 07/24/2023] [Revised: 09/11/2023] [Accepted: 10/11/2023] [Indexed: 10/24/2023]
Abstract
To describe the experience of parents of children diagnosed with Phelan-McDermid syndrome (PMS) in relation to epileptic seizures and/or convulsions, their daily management and impact on family life. A qualitative descriptive study was conducted. The study included parents of children diagnosed with PMS by a medical specialist. Purposive sampling was used, and data were collected via in-depth interviews. A thematic analysis was performed on the data. This study was conducted according to the Standards for Reporting Qualitative Research. Thirty-two parents were recruited. Four themes were identified: (a) the first epileptic seizure, where the first seizure appears abruptly and unexpectedly; (b) living with seizures, seizures generate high concern about the evolution of the disease and the future of children with PMS; (c) treatment of epileptic seizures, obtaining an adequate treatment is a long process that involves decision making by parents; (d) the impact of epilepsy on the family, where there is a change in the functioning and relationships among family members. Conclusions: It is necessary to develop programs where parents can discuss treatment decisions with professionals and provide coping strategies for the management of epilepsy and seizures. What is Known: • Children with Phelan-McDermid syndrome may develop epilepsy. Parents receive insufficient information for the management and control of seizures. • Parents describe concerns about the evolution of epilepsy in their children's adulthood, along with the impact of seizures and/or convulsions on their children. What is New: • Epilepsy and seizures force the entire family to adapt their lifestyle and give up activities that can trigger seizures. • Parents pointed out the need to create programs to inform about the benefits and disadvantages of pharmacological treatments in order to improve decision making.
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Affiliation(s)
- Cristina García-Bravo
- Department of Physical Therapy, Occupational Therapy, Physical Medicine and Rehabilitation, Research Group in Evaluation and Assessment of Capacity, Functionality and Disability (TO+IDI) and Research Group of Humanities and Qualitative Research in Health Science (Hum&QRinHS), 28922, Alcorcón, Spain
| | - Rosa Mª Martínez-Piédrola
- Department of Physical Therapy, Occupational Therapy, Physical Medicine and Rehabilitation, Research Group in Evaluation and Assessment of Capacity, Functionality and Disability (TO+IDI), Universidad Rey Juan Carlos, Avenida de Atenas S/N, 28922, Alcorcón, Spain.
| | - Sara García-Bravo
- Department of Physical Therapy, Occupational Therapy, Physical Medicine and Rehabilitation, Universidad Rey Juan Carlos, 28922 Alcorcón, Spain, Physiocare Madrid, Physiotherapy Clinic, 28026, Madrid, Spain
| | - Mª Pilar Rodríguez-Pérez
- Department of Physical Therapy, Occupational Therapy, Physical Medicine and Rehabilitation, Research Group in Evaluation and Assessment of Capacity, Functionality and Disability (TO+IDI), Universidad Rey Juan Carlos, Avenida de Atenas S/N, 28922, Alcorcón, Spain
| | - Ana San Martín-Gómez
- Department of Physical Therapy, Occupational Therapy, Physical Medicine and Rehabilitation, Research Group of Humanities and Qualitative Research in Health Science, Universidad Rey Juan Carlos (Hum&QRinHS), 28922, Alcorcón, Spain
| | - Gemma Fernández-Gómez
- Department of Physical Therapy, Occupational Therapy, Physical Medicine and Rehabilitation, Research Group in Evaluation and Assessment of Capacity, Functionality and Disability (TO+IDI), Universidad Rey Juan Carlos, Avenida de Atenas S/N, 28922, Alcorcón, Spain
| | - Domingo Palacios-Ceña
- Department of Physical Therapy, Occupational Therapy, Physical Medicine and Rehabilitation, Research Group of Humanities and Qualitative Research in Health Science, Universidad Rey Juan Carlos (Hum&QRinHS), 28922, Alcorcón, Spain
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van Eeghen AM, Stemkens D, Fernández-Fructuoso JR, Maruani A, Hadzsiev K, Gaasterland CMW, Klein Haneveld MJ, Vyshka K, Hugon A, van Eeghen AM, van Balkom IDC. Consensus recommendations on organization of care for individuals with Phelan-McDermid syndrome. Eur J Med Genet 2023:104747. [PMID: 37003574 DOI: 10.1016/j.ejmg.2023.104747] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/02/2023] [Revised: 03/05/2023] [Accepted: 03/18/2023] [Indexed: 04/03/2023]
Abstract
The manifestations of Phelan-McDermid syndrome (PMS) are complex, warranting expert and multidisciplinary care in all life stages. In the present paper we propose consensus recommendations on the organization of care for individuals with PMS. We indicate that care should consider all life domains, which can be done within the framework of the International Classification of Functioning, Disability and Health (ICF). This framework assesses disability and functioning as the outcome of the individual's interactions with other factors. The different roles within care, such as performed by a centre of expertise, by regional health care providers and by a coordinating physician are addressed. A surveillance scheme and emergency card is provided and disciplines participating in a multidisciplinary team for PMS are described. Additionally, recommendations are provided for transition from paediatric to adult care. This care proposition may also be useful for individuals with other rare genetic neurodevelopmental disorders.
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Affiliation(s)
- A M van Eeghen
- Emma Center for Personalized Medicine, Emma Children's Hospital, Amsterdam University Medical Centers, Amsterdam, Netherlands; Advisium, 's Heeren Loo, Amersfoort, Netherlands.
| | - D Stemkens
- VSOP - National Patient Alliance for Rare and Genetic Diseases, Soest, the Netherlands
| | | | - A Maruani
- Excellence Center for Autism Spectrum & Neurodevelopmental Disorders, Inovand, Child and Adolescent Psychiatry Department, Hôpital Robert Debre, APHP, Paris, France; CRMR DICR, Rare Disease Center for Intellectual Disabilities, Defiscience, France
| | - K Hadzsiev
- Department of Medical Genetics, Medical School, University of Pécs, Pécs, Hungary
| | - C M W Gaasterland
- Emma Center for Personalized Medicine, Emma Children's Hospital, Amsterdam University Medical Centers, Amsterdam, Netherlands
| | - M J Klein Haneveld
- Emma Center for Personalized Medicine, Emma Children's Hospital, Amsterdam University Medical Centers, Amsterdam, Netherlands
| | - Klea Vyshka
- University Hospital Robert Debre, Paris, France
| | - A Hugon
- University Hospital Robert Debre, Paris, France
| | - A M van Eeghen
- Emma Center for Personalized Medicine, Emma Children's Hospital, Amsterdam University Medical Centers, Amsterdam, Netherlands; Advisium, 's Heeren Loo, Amersfoort, Netherlands
| | - I D C van Balkom
- Jonx, Department of (Youth) Mental Health and Autism, Lentis Psychiatric Institute, Groningen, Netherlands; Rob Giel Research Centre, Department of Psychiatry, University Medical Center Groningen, Groningen, Netherlands
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