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Lindsay S, Li Y, Joneja S, Hsu S. Experiences of racism and racial disparities in health care among children and youth with autism and their caregivers: a systematic review. Disabil Rehabil 2024:1-20. [PMID: 38864302 DOI: 10.1080/09638288.2024.2364823] [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: 11/15/2023] [Accepted: 06/02/2024] [Indexed: 06/13/2024]
Abstract
PURPOSE Although the health benefits of early diagnosis and therapeutic approaches for children and youth with autism spectrum disorder (ASD), racial disparities persist. This systematic review explored the experiences of racism and racial disparities in health care among children and youth with ASD and their caregivers. METHODS We conducted a systematic review, drawing on six international databases. Two reviewers screened titles, abstracts, and full texts. Thirty-seven studies met our inclusion criteria and we applied a narrative synthesis to develop themes. RESULTS Four themes were identified: (1) experiences and aspects of racism and racial disparities (i.e., language and cultural barriers, poor quality health care interactions, stereotypes and discrimination, family and community stigma, and indirect barriers); (2) racial disparities in health care (i.e., screening and referral, diagnosis, health care services, and care coordination and medication); (3) facilitators to accessing health care services; and (4) recommendations from caregivers. CONCLUSIONS This review highlights the extensive racial disparities experienced by children with autism. More research is needed to explore youth's perspectives on racism in addition to exploring potential interventions to address racial disparities and improve health equity for youth with ASD.
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Affiliation(s)
- Sally Lindsay
- Bloorview Research Institute, Holland Bloorview Kids Rehabilitation Hospital, Toronto, Canada
- Department of Occupational Science & Occupational Therapy, University of Toronto, Toronto
- Rehabilitation Sciences Institute, University of Toronto, Toronto, Canada
| | - Yiyan Li
- Bloorview Research Institute, Holland Bloorview Kids Rehabilitation Hospital, Toronto, Canada
| | - Simran Joneja
- Faculty of Health Sciences, Queen's University, Kingston, Canada
| | - Shaelynn Hsu
- Bloorview Research Institute, Holland Bloorview Kids Rehabilitation Hospital, Toronto, Canada
- Faculty of Science, York University, Toronto, Canada
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Fard YA, Sadeghi EN, Pajoohesh Z, Gharehdaghi Z, Khatibi DM, Khosravifar S, Pishkari Y, Nozari S, Hijazi A, Pakmehr S, Shayan SK. Epigenetic underpinnings of the autistic mind: Histone modifications and prefrontal excitation/inhibition imbalance. Am J Med Genet B Neuropsychiatr Genet 2024:e32986. [PMID: 38837296 DOI: 10.1002/ajmg.b.32986] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 12/04/2023] [Revised: 03/30/2024] [Accepted: 04/25/2024] [Indexed: 06/07/2024]
Abstract
Autism spectrum disorder (ASD) is complex neurobehavioral condition influenced by several cellular and molecular mechanisms that are often concerned with synaptogenesis and synaptic activity. Based on the excitation/inhibition (E/I) imbalance theory, ASD could be the result of disruption in excitatory and inhibitory synaptic transmission across the brain. The prefrontal cortex (PFC) is the chief regulator of executive function and can be affected by altered neuronal excitation and inhibition in the course of ASD. The molecular mechanisms involved in E/I imbalance are subject to epigenetic regulation. In ASD, altered enrichment and spreading of histone H3 and H4 modifications such as the activation-linked H3K4me2/3, H3K9ac, and H3K27ac, and repression-linked H3K9me2, H3K27me3, and H4K20me2 in the PFC result in dysregulation of molecules mediating synaptic excitation (ARC, EGR1, mGluR2, mGluR3, GluN2A, and GluN2B) and synaptic inhibition (BSN, EphA7, SLC6A1). Histone modifications are a dynamic component of the epigenetic regulatory elements with a pronounced effect on patterns of gene expression with regards to any biological process. The excitation/inhibition imbalance associated with ASD is based on the excitatory and inhibitory synaptic activity in different regions of the brain, including the PFC, the ultimate outcome of which is highly influenced by transcriptional activity of relevant genes.
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Affiliation(s)
| | | | - Zohreh Pajoohesh
- Faculty of Medicine, Zabol Univeristy of Medical Sciences, Zabol, Iran
| | - Zahra Gharehdaghi
- Department of Pharmacology, Zabol University of Medical Sciences, Zabol, Iran
| | | | | | - Yasamin Pishkari
- School of Medicine, Shahid Beheshti University of Medical Sciences, Tehran, Iran
| | - Shadi Nozari
- School of Medicine, Mazandaran University of Medical Sciences, Sari, Iran
| | - Ahmed Hijazi
- Department of Medical Laboratory Sciences, College of Applied Medical Sciences, Prince Sattam bin Abdulaziz University, Al-Kharj, Saudi Arabia
| | | | - Sepideh Karkon Shayan
- Student Research Committee, School of Medicine, Gonabad University of Medical Sciences, Gonabad, Iran
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Rowshan N, Anjomshoa M, Farahzad A, Bijad E, Amini-Khoei H. Gut-brain barrier dysfunction bridge autistic-like behavior in mouse model of maternal separation stress: A behavioral, histopathological, and molecular study. Int J Dev Neurosci 2024; 84:314-327. [PMID: 38584149 DOI: 10.1002/jdn.10329] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/18/2024] [Revised: 03/03/2024] [Accepted: 03/14/2024] [Indexed: 04/09/2024] Open
Abstract
Autism spectrum disorder (ASD) is a fast-growing neurodevelopmental disorder throughout the world. Experiencing early life stresses (ELS) like maternal separation (MS) is associated with autistic-like behaviors. It has been proposed that disturbance in the gut-brain axis-mediated psychiatric disorders following MS. The role of disruption in the integrity of gut-brain barrier in ASD remains unclear. Addressing this knowledge gap, in this study we aimed to investigate role of the gut-brain barrier integrity in mediating autistic-like behaviors in mouse models of MS stress. To do this, mice neonates are separated daily from their mothers from postnatal day (PND) 2 to PND 14 for 3 hours. During PND58-60, behavioral tests related to autistic-like behaviors including three-chamber sociability, shuttle box, and resident-intruder tests were performed. Then, prefrontal cortex (PFC), hippocampus, and colon samples were dissected out for histopathological and molecular evaluations. Results showed that MS is associated with impaired sociability and social preference indexes, aggressive behaviors, and impaired passive avoidance memory. The gene expression of CLDN1 decreased in the colon, and the gene expression of CLDN5, CLDN12, and MMP9 increased in the PFC of the MS mice. MS is associated with decrease in the diameter of CA1 and CA3 areas of the hippocampus. In addition, MS led to histopathological changes in the colon. We concluded that, probably, disturbance in the gut-brain barrier integrities mediated the autistic-like behavior in MS stress in mice.
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Affiliation(s)
- Negin Rowshan
- Medical Plants Research Center, Basic Health Sciences Institute, Shahrekord University of Medical Sciences, Shahrekord, Iran
| | - Maryam Anjomshoa
- Medical Plants Research Center, Basic Health Sciences Institute, Shahrekord University of Medical Sciences, Shahrekord, Iran
| | - Anahita Farahzad
- Medical Plants Research Center, Basic Health Sciences Institute, Shahrekord University of Medical Sciences, Shahrekord, Iran
| | - Elham Bijad
- Medical Plants Research Center, Basic Health Sciences Institute, Shahrekord University of Medical Sciences, Shahrekord, Iran
| | - Hossein Amini-Khoei
- Medical Plants Research Center, Basic Health Sciences Institute, Shahrekord University of Medical Sciences, Shahrekord, Iran
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Kara K, Kara OK, Sutcu G, Tonak HA. The Relationship Between Fatigue and Quality of Life in the Turkish Mothers of Children with Autism Spectrum Disorder. J Autism Dev Disord 2024:10.1007/s10803-024-06398-z. [PMID: 38764072 DOI: 10.1007/s10803-024-06398-z] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 05/06/2024] [Indexed: 05/21/2024]
Abstract
This study aimed to investigate the different effects of fatigue and health-related quality of life in the Turkish mothers of children with autism spectrum disorder (ASD) through comparisons with mothers of typically developing children, and to evaluate the relationship between different aspects of maternal fatigue, depression, and maternal health-related quality of life. The study included a total of 103 mothers, comprising 60 mothers of children with ASD and 43 mothers of typically developing children. The Nottingham Health Profile and Quality of Life in Autism Questionnaire-Parent Version were used to assess the health-related quality of life. Fatigue was assessed comprehensively with the Fatigue Impact Scale and the Fatigue Severity Scale. The Nottingham Health Profile total and physical mobility domain and the quality of life were the strongest factors, explaining with a variance of 66.7% the fatigue impact on cognitive function. The mothers' quality of life accounted for 64.8% of the variance in factors that explained fatigue. Physical mobility, social isolation and quality of life were associated with the physical impact of fatigue and were explained with a variance of 52.4%. Emotional reactions and quality of life were explained with a variance of 52.7% in the fatigue of psychosocial function. The current study has highlighted that the fatigue of Turkish mothers of children with ASD has a greater impact on cognitive, physical and psychosocial functions. Furthermore, the quality of life, physical mobility, social isolation, and emotional reactions of mothers have a significant impact on maternal fatigue.
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Affiliation(s)
- Koray Kara
- Department of Child and Adolescent Psychiatry, University of Health Sciences, Antalya Training and Research Hospital, Antalya, Turkey.
| | - Ozgun Kaya Kara
- Faculty of Health Sciences, Department of Physiotherapy and Rehabilitation, Akdeniz University, Antalya, Turkey
| | - Gulsah Sutcu
- Faculty of Health Sciences, Department of Physiotherapy and Rehabilitation, Akdeniz University, Antalya, Turkey
| | - Hasan Atacan Tonak
- Hamidiye Faculty of Health Sciences, Department of Occupational Therapy, University of Health Sciences, Istanbul, Turkey
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Dincel M, Karayagmurlu A. An Investigation of Dissociative Symptoms and Related Factors in Autistic Adolescents. J Autism Dev Disord 2024:10.1007/s10803-024-06374-7. [PMID: 38743151 DOI: 10.1007/s10803-024-06374-7] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 04/20/2024] [Indexed: 05/16/2024]
Abstract
Despite exposure to trauma and adverse life events being frequently reported in Autism Spectrum Disorder (ASD), few studies have examined the relationship between these factors and dissociative symptoms in the autistic population. The aim of the study is to investigate symptoms of dissociation in autistic adolescents, and to explore factors that could be associated with dissociative symptoms in ASD. This cross-sectional study involved 59 autistic adolescents between 12 and 18 years old, with the mean age of 14.3 ± 1.8. Dissociation, autism characteristics, childhood traumas, peer bullying, and Post-Traumatic Stress Disorder (PTSD) symptoms were assessed using the Adolescent Dissociative Experiences Scale (ADES), the Childhood Autism Rating Scale (CARS), the Childhood Trauma Questionnaire (CTQ), the Nine-Item Child-Adolescent Bullying Screen (CABS-9), and the Child Posttraumatic Stress Reaction Index (CPTS-RI), respectively. Results from the ADES revealed that 12.5% of the participants scored above the threshold for dissociative disorders. In the linear regression model constructed to evaluate factors associated with dissociative symptoms, an increase in dissociative symptoms was statistically significantly associated with an increase in the total CTQ score (p = 0.002) and age (p = 0.006). The findings of the study indicate that dissociative symptoms may occur in autistic adolescents. It is suggested that dissociative symptoms observed in autistic adolescents may particularly be associated with childhood traumas and increasing age. Further research into dissociative symptoms in ASD is warranted, requiring larger sample sizes, specialized measurement scales, and structured interviews.
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Affiliation(s)
- Melodi Dincel
- Department of Child and Adolescent Psychiatry, Midyat State Hospital, Midyat, Mardin, Turkey.
| | - Ali Karayagmurlu
- Department of Child and Adolescent Psychiatry, Istanbul Medical Faculty, Istanbul University, Istanbul, Turkey
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Kurmanalina S, Samambayeva A, Akhtayeva N, Kozhageldiyeva L, Kosherbayeva L. Awareness of Autism Spectrum Disorder Among Population of Kazakhstan. J Autism Dev Disord 2024:10.1007/s10803-024-06350-1. [PMID: 38656465 DOI: 10.1007/s10803-024-06350-1] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 04/09/2024] [Indexed: 04/26/2024]
Abstract
BACKGROUND In recent years, an abundance of research has substantiated the escalating prevalence of Autism Spectrum Disorder (ASD) on a global scale. The aim to assess the level of awareness regarding ASD among the Kazakhstan population, as well as their readiness to offer help to individuals affected by ASD. METHODS A cross-sectional study was conducted encompassing individuals aged 18 years and above, using both the Russian and Kazakh languages. The survey was administered through Google Forms during April to June 2023. The link to survey was disseminated through WhatsApp chats of different social groups, including primary care specialists (general practitioners and nurses), and educators from primary and secondary schools from all 17 regions of Kazakhstan, spanning urban and rural areas. 410 participants took part in the survey in total. Statistical significance will be defined as p-values < 0.05. RESULTS Individuals aged 25 and above, who are both educated and employed, exhibit a greater awareness of ASD compared to other demographic groups. A low proportion of respondents (18.3%) demonstrated familiarity with the key symptoms of ASD as well as on its causes. Furthermore, it's noteworthy that the primary resource for acquiring information about ASD was the internet for both of these regions. CONCLUSION Low awareness on ASD symptoms and treatment methods was identified in both areas. There is a need to develop activities to increase the public awareness on ASD, including knowledge on early symptoms of ASD and facilities that address the needs of people on the ASD and their families.
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Affiliation(s)
| | - Aizhan Samambayeva
- Suleyman Demirel University, Almaty oblast, Kazakhstan
- ALimRE (Advancing learning through the innovation methods in research and education), Almaty oblast, Kazakhstan
| | - Nazgul Akhtayeva
- Suleyman Demirel University, Almaty oblast, Kazakhstan
- Asfendiyarov Kazakh National Medical University, Almaty city, Kazakhstan
| | | | - Lyazzat Kosherbayeva
- Suleyman Demirel University, Almaty oblast, Kazakhstan.
- Asfendiyarov Kazakh National Medical University, Almaty city, Kazakhstan.
- , Abylai khan street, 1/1, Karasay region, Kaskelen city, Almaty oblast, 040900, Kazakhstan.
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Aymerich C, Pacho M, Catalan A, Yousaf N, Pérez-Rodríguez V, Hollocks MJ, Parellada M, Krebs G, Clark B, Salazar de Pablo G. Prevalence and Correlates of the Concurrence of Autism Spectrum Disorder and Obsessive Compulsive Disorder in Children and Adolescents: A Systematic Review and Meta-Analysis. Brain Sci 2024; 14:379. [PMID: 38672028 PMCID: PMC11048346 DOI: 10.3390/brainsci14040379] [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: 03/18/2024] [Revised: 04/10/2024] [Accepted: 04/11/2024] [Indexed: 04/28/2024] Open
Abstract
BACKGROUND Autism spectrum disorder (ASD) and obsessive compulsive disorder (OCD) are two common and impairing neurodevelopmental conditions with partial symptomatic overlap. The aim of this study is to systematically and meta-analytically examine the following: (i) the prevalence of an OCD diagnosis among young people with ASD, (ii) the prevalence of an ASD diagnosis among young people with OCD, and (iii) the clinical and therapeutic implications of such comorbidity. METHOD A multistep literature search was performed from database inception until 17 November 2023. This PRISMA/MOOSE-compliant systematic review, registered in PROSPERO (CRD42023480543), identified studies reporting on the prevalence, sociodemographic, psychopathologic, prognostic, and therapeutic correlates of OCD and ASD concurrence in children and adolescents. A quantitative meta-analysis with random effects was conducted to analyse the pooled prevalence of OCD among samples with a mean age of < 18 years old with ASD and the prevalence of ASD among individuals under 18 with OCD. Sensitivity analyses were performed to investigate the effect of diagnostic criteria and different continents. Meta-regression analyses were conducted to examine the effect of gender, age, IQ, and OCD severity scores. A narrative review of the clinical and therapeutical implications of the comorbidity was provided. RESULTS 42 studies were selected for the systematic review (SR), and 31 of them were also included in one of the meta-analyses. The pooled prevalence of OCD among ASD youth samples (n = 8916, mean age = 10.6 ± 1.6; 16.4% female) was 11.6% (95% confidence intervals [CI] = 6.9%; 18.8%), and the pooled prevalence of ASD among OCD children and adolescent samples (n = 6209, mean age = 14.1 ± 1.4; 45.7% female) was 9.5% (95% CI = 6.0%; 14.7%). Meta-regressions found a statistically higher prevalence of ASD among samples with a lower prevalence of females (β = -4.7; 95%CI = -8.6; -0.8). Children with both OCD and ASD present higher rates of functional impairment, psychopathology, and other comorbidities, compared to youth with either of the disorders alone. CONCLUSIONS OCD and ASD are highly concurrent conditions in youth, with symptomatic, prognostic, severity, and therapeutic implications. Future research should focus on conducting longitudinal cohort studies prospectively to determine development trajectories, along with randomized controlled trials to assess the efficacy of specific therapeutic interventions.
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Affiliation(s)
- Claudia Aymerich
- Department of Child and Adolescent Psychiatry, Institute of Psychiatry, Psychology & Neuroscience, King’s College London, London WC2R 2LS, UK
- Biobizkaia Health Research Institute, Basque Country University, Basurto University Hospital, OSI Bilbao-Basurto, Centro de Investigación en Red de Salud Mental (CIBERSAM), Instituto de Salud Carlos III, 48903 Barakaldo, Spain
| | - Malein Pacho
- Biobizkaia Health Research Institute, Basque Country University, Basurto University Hospital, OSI Bilbao-Basurto, Centro de Investigación en Red de Salud Mental (CIBERSAM), Instituto de Salud Carlos III, 48903 Barakaldo, Spain
| | - Ana Catalan
- Biobizkaia Health Research Institute, Basque Country University, Basurto University Hospital, OSI Bilbao-Basurto, Centro de Investigación en Red de Salud Mental (CIBERSAM), Instituto de Salud Carlos III, 48903 Barakaldo, Spain
- Department of Psychosis Studies, Institute of Psychiatry, Psychology & Neuroscience, King’s College London, London WC2R 2LS, UK
| | - Noorulain Yousaf
- Child and Adolescent Mental Health Services, South London and Maudsley NHS Foundation Trust, London SE5 8AZ, UK
| | - Violeta Pérez-Rodríguez
- Child and Adolescent Mental Health Services, South London and Maudsley NHS Foundation Trust, London SE5 8AZ, UK
| | - Matthew J. Hollocks
- Department of Child and Adolescent Psychiatry, Institute of Psychiatry, Psychology & Neuroscience, King’s College London, London WC2R 2LS, UK
- Service for Complex Autism & Associated Neurodevelopmental Disorders, South London and Maudsley NHS Foundation Trust, London SE5 8AZ, UK
| | - Mara Parellada
- Department of Child and Adolescent Psychiatry, Institute of Psychiatry and Mental Health, Hospital General Universitario Gregorio Marañón School of Medicine, Universidad Complutense, Instituto de Investigación Sanitaria Gregorio Marañón (IiSGM), Centro de Investigación en Red en Salud Mental (CIBERSAM), 28007 Madrid, Spain
| | - Georgina Krebs
- Research Department of Clinical, Educational and Health Psychology, University College London, London WC1E 6BT, UK
- National & Specialist OCD, BDD and Related Disorder Clinic, South London & Maudsley NHS Foundation Trust, London SE5 8AZ, UK
| | - Bruce Clark
- National & Specialist OCD, BDD and Related Disorder Clinic, South London & Maudsley NHS Foundation Trust, London SE5 8AZ, UK
| | - Gonzalo Salazar de Pablo
- Department of Child and Adolescent Psychiatry, Institute of Psychiatry, Psychology & Neuroscience, King’s College London, London WC2R 2LS, UK
- Child and Adolescent Mental Health Services, South London and Maudsley NHS Foundation Trust, London SE5 8AZ, UK
- Department of Child and Adolescent Psychiatry, Institute of Psychiatry and Mental Health, Hospital General Universitario Gregorio Marañón School of Medicine, Universidad Complutense, Instituto de Investigación Sanitaria Gregorio Marañón (IiSGM), Centro de Investigación en Red en Salud Mental (CIBERSAM), 28007 Madrid, Spain
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Horner D, Jepsen JRM, Chawes B, Aagaard K, Rosenberg JB, Mohammadzadeh P, Sevelsted A, Følsgaard N, Vinding R, Fagerlund B, Pantelis C, Bilenberg N, Pedersen CET, Eliasen A, Chen Y, Prince N, Chu SH, Kelly RS, Lasky-Su J, Halldorsson TI, Glenthøj BY, Bønnelykke K, Ebdrup BH, Stokholm J, Rasmussen MA. An Unhealthy Dietary Pattern during Pregnancy is Associated with Neurodevelopmental Disorders in Childhood and Adolescence. MEDRXIV : THE PREPRINT SERVER FOR HEALTH SCIENCES 2024:2024.03.07.24303907. [PMID: 38496582 PMCID: PMC10942528 DOI: 10.1101/2024.03.07.24303907] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 03/19/2024]
Abstract
Despite the high prevalence of neurodevelopmental disorders, there are a lack of clinical studies examining the impact of pregnancy diet on child neurodevelopment. This observational clinical study examined the associations between pregnancy dietary patterns and neurodevelopmental diagnoses, as well as their symptoms, in a prospective cohort of 10-year-old children (n=508). Data-driven dietary patterns were derived from self-reported food frequency questionnaires. An Unhealthy dietary pattern in pregnancy (per SD change) was significantly associated with attention deficit hyperactivity disorder (ADHD) OR 1.66 [1.21 - 2.27], p=0.002 and autism diagnosis OR 2.22 [1.33 - 3.74], p=0.002 and associated symptoms p<0.001. Findings for ADHD were validated in two large (n=656, n=348), independent mother-child cohorts via blood metabolome modelling. Objective metabolite scores, assessed at five timepoints in mothers and children in two independent mother-child cohorts, indicated that the strongest association with ADHD was during early-to mid-pregnancy. These results provide evidence for targeted prenatal dietary interventions to prevent neurodevelopmental disorders in children.
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Kipkemoi P, Kariuki SM, Gona J, Mwangi FW, Kombe M, Kipkoech C, Murimi P, Mandy W, Warrington R, Skuse D, Newton CR, Abubakar A. Utility of the 3Di short version in the identification and diagnosis of autism in children at the Kenyan coast. Front Psychiatry 2024; 15:1234929. [PMID: 38487576 PMCID: PMC10937349 DOI: 10.3389/fpsyt.2024.1234929] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 06/05/2023] [Accepted: 01/16/2024] [Indexed: 03/17/2024] Open
Abstract
Introduction The precise epidemiological burden of autism is unknown because of the limited capacity to identify and diagnose the disorder in resource-constrained settings, related in part to a lack of appropriate standardised assessment tools and health care experts. We assessed the reliability, validity, and diagnostic accuracy of the Developmental Diagnostic Dimensional Interview (3Di) in a rural setting on the Kenyan coast. Methods Using a large community survey of neurodevelopmental disorders (NDDs), we administered the 3Di to 2,110 children aged between 6 years and 9 years who screened positive or negative for any NDD and selected 242 who had specific symptoms suggestive of autism based on parental report and the screening tools for review by a child and adolescent psychiatrist. On the basis of recorded video, a multi-disciplinary team applied the Autism Diagnostic Observation Schedule to establish an autism diagnosis. Internal consistency was used to examine the reliability of the Swahili version of the 3Di, tetrachoric correlations to determine criterion validity, structural equation modelling to evaluate factorial structure and receiver operating characteristic analysis to calculate diagnostic accuracy against Diagnostic Statistical Manual of Mental Disorders (DSM) diagnosis. Results The reliability coefficients for 3Di were excellent for the entire scale {McDonald's omega (ω) = 0.83 [95% confidence interval (CI) 0.79-0.91]}. A higher-order three-factor DSM-IV-TR model showed an adequate fit with the model, improving greatly after retaining high-loading items and correlated items. A higher-order two-factor DSM-5 model also showed an adequate fit. There were weak to satisfactory criterion validity scores [tetrachoric rho = 0.38 (p = 0.049) and 0.59 (p = 0.014)] and good diagnostic accuracy metrics [area under the curve = 0.75 (95% CI: 0.54-0.96) and 0.61 (95% CI: 0.49-0.73] for 3Di against the DSM criteria. The 3Di had a moderate sensitivity [66.7% (95% CI: 0.22-0.96)] and a good specificity [82.5% (95% CI: 0.74-0.89)], when compared with the DSM-5. However, we observed poor sensitivity [38.9% (95% CI: 0.17-0.64)] and good specificity [83.5% (95% CI: 0.74-0.91)] against DSM-IV-TR. Conclusion The Swahili version of the 3Di provides information on autism traits, which may be helpful for descriptive research of endophenotypes, for instance. However, for accuracy in newly diagnosed autism, it should be complemented by other tools, e.g., observational clinical judgment using the DSM criteria or assessments such as the Autism Diagnostic Observation Schedule. The construct validity of the Swahili 3Di for some domains, e.g., communication, should be explored in future studies.
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Affiliation(s)
- Patricia Kipkemoi
- Neuroscience Unit, Kenya Medical Research Institute (KEMRI)-Wellcome Trust Research Programme, Kilifi, Kenya
- Complex Trait Genetics Department, Center for Neurogenomics and Cognitive Research (CNCR), Vrije Universiteit Amsterdam, Amsterdam, Netherlands
| | - Symon M. Kariuki
- Neuroscience Unit, Kenya Medical Research Institute (KEMRI)-Wellcome Trust Research Programme, Kilifi, Kenya
- Department of Psychiatry, University of Oxford, Warneford Hospital, Oxford, United Kingdom
- Department of Public Health, Pwani University, Kilifi, Kenya
| | - Joseph Gona
- Neuroscience Unit, Kenya Medical Research Institute (KEMRI)-Wellcome Trust Research Programme, Kilifi, Kenya
| | | | - Martha Kombe
- Neuroscience Unit, Kenya Medical Research Institute (KEMRI)-Wellcome Trust Research Programme, Kilifi, Kenya
| | - Collins Kipkoech
- Neuroscience Unit, Kenya Medical Research Institute (KEMRI)-Wellcome Trust Research Programme, Kilifi, Kenya
| | - Paul Murimi
- Institute for Human Development, Aga Khan University, Nairobi, Kenya
| | - William Mandy
- Division of Psychology and Language Sciences, University College London (UCL) Research Department of Clinical, Educational and Health Psychology, London, United Kingdom
| | - Richard Warrington
- Institute of Child Health, University College London (UCL), London, United Kingdom
| | - David Skuse
- Institute of Child Health, University College London (UCL), London, United Kingdom
| | - Charles R.J.C. Newton
- Neuroscience Unit, Kenya Medical Research Institute (KEMRI)-Wellcome Trust Research Programme, Kilifi, Kenya
- Department of Psychiatry, University of Oxford, Warneford Hospital, Oxford, United Kingdom
- Department of Public Health, Pwani University, Kilifi, Kenya
- Institute for Human Development, Aga Khan University, Nairobi, Kenya
| | - Amina Abubakar
- Neuroscience Unit, Kenya Medical Research Institute (KEMRI)-Wellcome Trust Research Programme, Kilifi, Kenya
- Department of Psychiatry, University of Oxford, Warneford Hospital, Oxford, United Kingdom
- Institute for Human Development, Aga Khan University, Nairobi, Kenya
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Li H, Huang S, Jing J, Yu H, Gu T, Ou X, Pan S, Zhu Y, Su X. Dietary intake and gastrointestinal symptoms are altered in children with Autism Spectrum Disorder: the relative contribution of autism-linked traits. Nutr J 2024; 23:27. [PMID: 38419087 PMCID: PMC10900601 DOI: 10.1186/s12937-024-00930-8] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/28/2023] [Accepted: 02/23/2024] [Indexed: 03/02/2024] Open
Abstract
BACKGROUND Dietary and gastrointestinal (GI) problems have been frequently reported in autism spectrum disorder (ASD). However, the relative contributions of autism-linked traits to dietary and GI problems in children with ASD are poorly understood. This study firstly compared the dietary intake and GI symptoms between children with ASD and typically developing children (TDC), and then quantified the relative contributions of autism-linked traits to dietary intake, and relative contributions of autism-linked traits and dietary intake to GI symptoms within the ASD group. METHODS A sample of 121 children with ASD and 121 age-matched TDC were eligible for this study. The dietary intake indicators included food groups intakes, food variety, and diet quality. The autism-linked traits included ASD symptom severity, restricted repetitive behaviors (RRBs), sensory profiles, mealtime behaviors, and their subtypes. Linear mixed-effects models and mixed-effects logistic regression models were used to estimate the relative contributions. RESULTS Children with ASD had poorer diets with fewer vegetables/fruits, less variety of food, a higher degree of inadequate/unbalanced dietary intake, and more severe constipation/total GI symptoms than age-matched TDC. Within the ASD group, compulsive behavior (a subtype of RRBs) and taste/smell sensitivity were the only traits associated with lower vegetables and fruit consumption, respectively. Self-injurious behavior (a subtype of RRBs) was the only contributing trait to less variety of food. Limited variety (a subtype of mealtime behavior problems) and ASD symptom severity were the primary and secondary contributors to inadequate dietary intake, respectively. ASD symptom severity and limited variety were the primary and secondary contributors to unbalanced dietary intake, respectively. Notably, unbalanced dietary intake was a significant independent factor associated with constipation/total GI symptoms, and autism-linked traits manifested no contributions. CONCLUSIONS ASD symptom severity and unbalanced diets were the most important contributors to unbalanced dietary intake and GI symptoms, respectively. Our findings highlight that ASD symptom severity and unbalanced diets could provide the largest benefits for the dietary and GI problems of ASD if they were targeted for early detection and optimal treatment.
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Affiliation(s)
- Hailin Li
- Research Center of Children and Adolescent Psychological and Behavioral Development, Department of Maternal and Child Health, School of Public Health, Sun Yat-sen University, Guangzhou, Guangdong, 510080, P.R. China
| | - Saijun Huang
- Department of Child Healthcare, Foshan Women and Children Hospital, Foshan, Guangdong, 528000, P.R. China
| | - Jin Jing
- Research Center of Children and Adolescent Psychological and Behavioral Development, Department of Maternal and Child Health, School of Public Health, Sun Yat-sen University, Guangzhou, Guangdong, 510080, P.R. China
| | - Hong Yu
- Department of Child Healthcare, Foshan Women and Children Hospital, Foshan, Guangdong, 528000, P.R. China
| | - Tingfeng Gu
- Research Center of Children and Adolescent Psychological and Behavioral Development, Department of Maternal and Child Health, School of Public Health, Sun Yat-sen University, Guangzhou, Guangdong, 510080, P.R. China
| | - Xiaoxuan Ou
- Research Center of Children and Adolescent Psychological and Behavioral Development, Department of Maternal and Child Health, School of Public Health, Sun Yat-sen University, Guangzhou, Guangdong, 510080, P.R. China
| | - Shuolin Pan
- Research Center of Children and Adolescent Psychological and Behavioral Development, Department of Maternal and Child Health, School of Public Health, Sun Yat-sen University, Guangzhou, Guangdong, 510080, P.R. China
| | - Yanna Zhu
- Research Center of Children and Adolescent Psychological and Behavioral Development, Department of Maternal and Child Health, School of Public Health, Sun Yat-sen University, Guangzhou, Guangdong, 510080, P.R. China.
- Department of Maternal and Child Health, School of Public Health, Guangdong Provincial Key Laboratory of Food, Nutrition and Health, Sun Yat-sen University, Guangzhou, Guangdong, 510080, P.R. China.
| | - Xi Su
- Department of Child Healthcare, Foshan Women and Children Hospital, Foshan, Guangdong, 528000, P.R. China.
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Cui J, Zhai Z, Wang S, Song X, Qiu T, Yu L, Zhai Q, Zhang H. The role and impact of abnormal vitamin levels in autism spectrum disorders. Food Funct 2024; 15:1099-1115. [PMID: 38221882 DOI: 10.1039/d3fo03735e] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/16/2024]
Abstract
The prevalence of autism spectrum disorder (ASD), a neurodevelopmental disorder with a predominance of social behavioral disorders, has increased dramatically in various countries in recent decades. The interplay between genetic and environmental factors is believed to underlie ASD pathogenesis. Recent analyses have shown that abnormal vitamin levels in early life are associated with an increased risk of autism. As essential substances for growth and development, vitamins have been shown to have significant benefits for the nervous and immune systems. However, it is unknown whether certain vitamin types influence the emergence or manifestation of ASD symptoms. Several studies have focused on vitamin levels in children with autism, and neurotypical children have provided different insights into the types of vitamins and their intake. Here, we review the mechanisms and significance of several vitamins (A, B, C, D, E, and K) that are closely associated with the development of ASD in order to prevent, mitigate, and treat ASD. Efforts have been made to discover and develop new indicators for nutritional assessment of children with ASD to play a greater role in the early detection of ASD and therapeutic remission after diagnosis.
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Affiliation(s)
- Jingjing Cui
- Wuxi School of Medicine, Jiangnan University, Wuxi, Jiangsu, 214002, China.
- Department of child health care, Wuxi Maternity and Child Health Care Hospital, Affiliated Women's Hositipal of Jiangnan University, Wuxi, Jiangsu, 214002, China.
- State Key Laboratory of Food Science and Resources, Jiangnan University, Wuxi, Jiangsu, 214122, China.
| | - Zidan Zhai
- Wuxi School of Medicine, Jiangnan University, Wuxi, Jiangsu, 214002, China.
- Department of child health care, Wuxi Maternity and Child Health Care Hospital, Affiliated Women's Hositipal of Jiangnan University, Wuxi, Jiangsu, 214002, China.
| | - Shumin Wang
- State Key Laboratory of Food Science and Resources, Jiangnan University, Wuxi, Jiangsu, 214122, China.
- School of Food Science and Technology, Jiangnan University, Wuxi, Jiangsu 214122, China.
| | - Xiaoyue Song
- Department of Toxicology, School of Public Health, Anhui Medical University/Key Laboratory of Environmental Toxicology of Anhui Higher Education Institutes, Hefei 230032, Anhui, China.
| | - Ting Qiu
- Department of child health care, Wuxi Maternity and Child Health Care Hospital, Affiliated Women's Hositipal of Jiangnan University, Wuxi, Jiangsu, 214002, China.
| | - Leilei Yu
- State Key Laboratory of Food Science and Resources, Jiangnan University, Wuxi, Jiangsu, 214122, China.
| | - Qixiao Zhai
- State Key Laboratory of Food Science and Resources, Jiangnan University, Wuxi, Jiangsu, 214122, China.
| | - Heng Zhang
- Wuxi School of Medicine, Jiangnan University, Wuxi, Jiangsu, 214002, China.
- Department of child health care, Wuxi Maternity and Child Health Care Hospital, Affiliated Women's Hositipal of Jiangnan University, Wuxi, Jiangsu, 214002, China.
- Department of Toxicology, School of Public Health, Anhui Medical University/Key Laboratory of Environmental Toxicology of Anhui Higher Education Institutes, Hefei 230032, Anhui, China.
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12
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Nedungadi P, Shah SM, Stokes MA, Kumar Nair V, Moorkoth A, Raman R. Mapping autism's research landscape: trends in autism screening and its alignment with sustainable development goals. Front Psychiatry 2024; 14:1294254. [PMID: 38361829 PMCID: PMC10868528 DOI: 10.3389/fpsyt.2023.1294254] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 09/14/2023] [Accepted: 12/29/2023] [Indexed: 02/17/2024] Open
Abstract
Introduction Autism Spectrum Disorder is a complex neurodevelopmental syndrome that profoundly affects social interactions, communication, and sensory perception. The research traced the evolution of autism research from 2011-2022, specifically focusing on the screening and diagnosis of children and students. Methods Through an analysis of 12,262 publications using the PRISMA framework, bibliographic coupling, science mapping, and citation analysis, this study illuminates the growth trajectory of ASD research and significant disparities in diagnosis and services. Results The study indicates an increasing trend in autism research, with a strong representation of female authorship. Open Access journals show a higher average citation impact compared to their closed counterparts. A keyword co-occurrence analysis revealed four central research themes: Child Development and Support Systems, Early Identification and Intervention, Prevalence and Etiology, and Mental Health. The pandemic's onset has prioritized research areas like mental health, telehealth, and service accessibility. Discussion Recommendations on a global level stress the importance of developing timely biological markers for ASD, amplifying Disability Inclusion research, and personalizing mental health services to bridge these critical service gaps. These strategies, underpinned by interdisciplinary collaboration and telehealth innovation, particularly in low-resource settings, can offer a roadmap for inclusive, context-sensitive interventions at local levels that directly support SDG3's aim for health and well-being for all.
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Affiliation(s)
- Prema Nedungadi
- Amrita School of Computing, Amrita Vishwa Vidyapeetham, Kollam, India
| | | | | | | | - Ajit Moorkoth
- Seed Special Education Center, Dubai, United Arab Emirates
| | - Raghu Raman
- Amrita School of Business Amritapuri, Amrita Vishwa Vidyapeetham University, Coimbatore, Tamil Nadu, India
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13
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Clarke EB, McCauley JB, Lutz A, Gotelli M, Sheinkopf SJ, Lord C. Understanding profound autism: implications for stigma and supports. Front Psychiatry 2024; 15:1287096. [PMID: 38317766 PMCID: PMC10839016 DOI: 10.3389/fpsyt.2024.1287096] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 09/01/2023] [Accepted: 01/02/2024] [Indexed: 02/07/2024] Open
Abstract
Introduction Societal perceptions and lack of understanding of autism spectrum disorder can be stigmatizing for autistic individuals and their families. This may be particularly the case for individuals who meet criteria for profound autism. Despite the considerable service needs of this marginalized group, there is little data on the prevalence of profound autism, nor on the experiences of those with profound autism and their families. Methods The current study leveraged a mixed-methods approach to address these gaps. First, the prevalence of profound autism was examined in six samples-three from the United States and three from Western Europe. Second, inductive thematic analysis was used to code interviews from 20 caregivers of profoundly autistic adults. Results The prevalence of profound autism varied widely across the six samples-from 11% to 48%. There were also notable differences between samples in prevalence by gender, race, and ethnicity. Two overarching themes were identified via inductive thematic analysis: Community Perceptions of Autism and Family Support Needs and Advocacy Challenges. Though caregivers were not directly asked about stigmatization during interviews, 85% of caregivers reported at least one instance of perceived stigma. Discussion Future research should continue to examine the unique needs and stigmatization experiences of profoundly autistic individuals and their families across the life course.
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Affiliation(s)
- Elaine B. Clarke
- Department of Psychiatry and Biobehavioral Sciences, University of California, Los Angeles, Los Angeles, CA, United States
| | - James B. McCauley
- Department of Psychology, St. Mary’s College of California, Moraga, CA, United States
| | - Amy Lutz
- Department of History and Sociology of Science, University of Pennsylvania, Philadelphia, PA, United States
| | - Marina Gotelli
- Fundación Brincar por un Autismo Feliz, Buenos Aires, Argentina
- Consejo Nacional de Investigaciones Científicas Y Técnicas, Buenos Aires, Argentina
| | - Stephen J. Sheinkopf
- Thompson Center for Autism and Neurodevelopment, University of Missouri, Columbia, MO, United States
| | - Catherine Lord
- Department of Psychiatry and Biobehavioral Sciences, University of California, Los Angeles, Los Angeles, CA, United States
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Spoiala EL, Cinteza E, Vatasescu R, Vlaiculescu MV, Moisa SM. Statins-Beyond Their Use in Hypercholesterolemia: Focus on the Pediatric Population. CHILDREN (BASEL, SWITZERLAND) 2024; 11:117. [PMID: 38255430 PMCID: PMC10813894 DOI: 10.3390/children11010117] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 12/31/2023] [Revised: 01/15/2024] [Accepted: 01/16/2024] [Indexed: 01/24/2024]
Abstract
Statins are a class of medications primarily used in adults to lower cholesterol levels and reduce the risk of cardiovascular events. However, the use of statins in children is generally limited and carefully considered despite the well-documented anti-inflammatory, anti-angiogenic, and pro-apoptotic effects, as well as their effect on cell signaling pathways. These multifaceted effects, known as pleiotropic effects, encompass enhancements in endothelial function, a significant reduction in oxidative stress, the stabilization of atherosclerotic plaques, immunomodulation, the inhibition of vascular smooth muscle proliferation, an influence on bone metabolism, anti-inflammatory properties, antithrombotic effects, and a diminished risk of dementia. In children, recent research revealed promising perspectives on the use of statins in various conditions including neurological, cardiovascular, and oncologic diseases, as well as special situations, such as transplanted children. The long-term safety and efficacy of statins in children are still subjects of ongoing research, and healthcare providers carefully assess the individual risk factors and benefits before prescribing these medications to pediatric patients. The use of statins in children is generally less common than in adults, and it requires close monitoring and supervision by healthcare professionals. Further research is needed to fully assess the pleiotropic effects of statins in the pediatric population.
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Affiliation(s)
- Elena Lia Spoiala
- Department of Pediatrics, Faculty of Medicine, “Gr. T. Popa” University of Medicine and Pharmacy, 700115 Iasi, Romania; (E.L.S.); (S.M.M.)
| | - Eliza Cinteza
- Department of Pediatrics, “Carol Davila” University of Medicine and Pharmacy, 020021 Bucharest, Romania
- Department of Pediatric Cardiology, “Marie Curie” Emergency Children’s Hospital, 041451 Bucharest, Romania
| | - Radu Vatasescu
- Cardio-Thoracic Department, “Carol Davila” University of Medicine and Pharmacy, 020021 Bucharest, Romania
- Clinical Emergency Hospital, 014461 Bucharest, Romania
| | | | - Stefana Maria Moisa
- Department of Pediatrics, Faculty of Medicine, “Gr. T. Popa” University of Medicine and Pharmacy, 700115 Iasi, Romania; (E.L.S.); (S.M.M.)
- “Sfanta Maria” Clinical Emergency Hospital for Children, 700309 Iasi, Romania
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Um KB, Kwak S, Cheon SH, Kim J, Hwang SK. AST-001 Improves Social Deficits and Restores Dopamine Neuron Activity in a Mouse Model of Autism. Biomedicines 2023; 11:3283. [PMID: 38137504 PMCID: PMC10741043 DOI: 10.3390/biomedicines11123283] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/14/2023] [Revised: 12/05/2023] [Accepted: 12/08/2023] [Indexed: 12/24/2023] Open
Abstract
Autism spectrum disorder (ASD) is a complex neurodevelopmental disorder characterized by impaired social communication and social interaction, restricted and repetitive behavior, and interests. The core symptoms of ASD are associated with deficits in mesocorticolimbic dopamine pathways that project from the ventral tegmental area (VTA) to the nucleus accumbens (NAc) and medial prefrontal cortex (mPFC). AST-001 is an investigational product currently in a phase 3 clinical trial for treating the core symptoms of ASD, with L-serine as the API (active pharmaceutical ingredient). Because the causes of ASD are extremely heterogeneous, a single genetic ASD model cannot represent all autism models. In this paper, we used the VPA-exposed model, which is more general and widely used than a single genetic model, but this is also one of the animal models of autism. Herein, we conducted experiments to demonstrate the efficacy of AST-001 as L-Serine that alters the regulation of the firing rate in dopamine neurons by inhibiting small conductance Ca2+-activated K+ channels (SK channels). Through these actions, AST-001 improved sociability and social novelty by rescuing the intrinsic excitabilities of dopamine neurons in VPA-exposed ASD mouse models that showed ASD-related behavioral abnormalities. It is thought that this effect of improving social deficits in VPA-exposed ASD mouse models is due to AST-001 normalizing aberrant SK channel activities that slowed VTA dopamine neuron firing. Overall, these findings suggest that AST-001 may be a potential therapeutic agent for ASD patients, and that its mechanism of action may involve the regulation of dopamine neuron activity and the improvement of social interaction.
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Affiliation(s)
- Ki Bum Um
- Astrogen Inc., 440, Hyeoksin-daero, Dong-gu, Daegu 41072, Republic of Korea; (K.B.U.); (S.K.)
| | - Soyoung Kwak
- Astrogen Inc., 440, Hyeoksin-daero, Dong-gu, Daegu 41072, Republic of Korea; (K.B.U.); (S.K.)
| | - Sun-Ha Cheon
- Astrogen Inc., 440, Hyeoksin-daero, Dong-gu, Daegu 41072, Republic of Korea; (K.B.U.); (S.K.)
| | - JuHyun Kim
- Astrogen Inc., 440, Hyeoksin-daero, Dong-gu, Daegu 41072, Republic of Korea; (K.B.U.); (S.K.)
| | - Su-Kyeong Hwang
- Astrogen Inc., 440, Hyeoksin-daero, Dong-gu, Daegu 41072, Republic of Korea; (K.B.U.); (S.K.)
- Department of Pediatrics, School of Medicine, Kyungpook National University, Daegu 41944, Republic of Korea
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Mehra S, Ahsan AU, Sharma M, Budhwar M, Chopra M. Gestational Fisetin Exerts Neuroprotection by Regulating Mitochondria-Directed Canonical Wnt Signaling, BBB Integrity, and Apoptosis in Prenatal VPA-Induced Rodent Model of Autism. Mol Neurobiol 2023:10.1007/s12035-023-03826-6. [PMID: 38048031 DOI: 10.1007/s12035-023-03826-6] [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: 08/28/2023] [Accepted: 11/21/2023] [Indexed: 12/05/2023]
Abstract
Embryonic valproic acid (VPA) has been considered a potential risk factor for autism. Majority of studies indicated that targeting autism-associated alterations in VPA-induced autistic model could be promising in defining and designing therapeutics for autism. Numerous investigations in this field investigated the role of canonical Wnt signaling cascade in regulating the pathophysiology of autism. The impaired blood-brain barrier (BBB) permeability and mitochondrial dysfunction are some key implied features of the autistic brain. So, the current study was conducted to target canonical Wnt signaling pathway with a natural polyphenolic modulator cum antioxidant namely fisetin. A single dose of intraperitoneal VPA sodium salt (400 mg/kg) at gestational day 12.5 induced developmental delays, social behaviour impairments (tube dominance test), and anxiety-like behaviour (sucrose preference test) similar to autism. VPA induced mitochondrial damage and over-activated the canonical Wnt signaling which further increased the blood-brain barrier (BBB) disruption, apoptosis, and neuronal damage. Our findings revealed that oral administration of 10 mg/kg gestational fisetin (GD 13-till parturition) improved social and anxiety-like behaviour by modulating the ROS-regulated mitochondrial-canonical Wnt signaling. Moreover, fisetin controls BBB permeability, apoptosis, and neuronal damage in autism model proving its neuroprotective efficacy. Collectively, our findings revealed that fisetin-evoked modulation of the Wnt signaling cascade successfully relieved the associated symptoms of autism along with developmental delays in the model and indicates its potential as a bioceutical against autism.
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Affiliation(s)
- Sweety Mehra
- Cell and Molecular Biology Lab, Department of Zoology, Panjab University, Chandigarh, 160014, India
| | - Aitizaz Ul Ahsan
- Cell and Molecular Biology Lab, Department of Zoology, Panjab University, Chandigarh, 160014, India
| | - Madhu Sharma
- Cell and Molecular Biology Lab, Department of Zoology, Panjab University, Chandigarh, 160014, India
| | - Muskan Budhwar
- Cell and Molecular Biology Lab, Department of Zoology, Panjab University, Chandigarh, 160014, India
| | - Mani Chopra
- Cell and Molecular Biology Lab, Department of Zoology, Panjab University, Chandigarh, 160014, India.
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Kim JH, Hong J, Choi H, Kang HG, Yoon S, Hwang JY, Park YR, Cheon KA. Development of Deep Ensembles to Screen for Autism and Symptom Severity Using Retinal Photographs. JAMA Netw Open 2023; 6:e2347692. [PMID: 38100107 PMCID: PMC10724768 DOI: 10.1001/jamanetworkopen.2023.47692] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 07/30/2023] [Accepted: 10/31/2023] [Indexed: 12/18/2023] Open
Abstract
Importance Screening for autism spectrum disorder (ASD) is constrained by limited resources, particularly trained professionals to conduct evaluations. Individuals with ASD have structural retinal changes that potentially reflect brain alterations, including visual pathway abnormalities through embryonic and anatomic connections. Whether deep learning algorithms can aid in objective screening for ASD and symptom severity using retinal photographs is unknown. Objective To develop deep ensemble models to differentiate between retinal photographs of individuals with ASD vs typical development (TD) and between individuals with severe ASD vs mild to moderate ASD. Design, Setting, and Participants This diagnostic study was conducted at a single tertiary-care hospital (Severance Hospital, Yonsei University College of Medicine) in Seoul, Republic of Korea. Retinal photographs of individuals with ASD were prospectively collected between April and October 2022, and those of age- and sex-matched individuals with TD were retrospectively collected between December 2007 and February 2023. Deep ensembles of 5 models were built with 10-fold cross-validation using the pretrained ResNeXt-50 (32×4d) network. Score-weighted visual explanations for convolutional neural networks, with a progressive erasing technique, were used for model visualization and quantitative validation. Data analysis was performed between December 2022 and October 2023. Exposures Autism Diagnostic Observation Schedule-Second Edition calibrated severity scores (cutoff of 8) and Social Responsiveness Scale-Second Edition T scores (cutoff of 76) were used to assess symptom severity. Main Outcomes and Measures The main outcomes were participant-level area under the receiver operating characteristic curve (AUROC), sensitivity, and specificity. The 95% CI was estimated through the bootstrapping method with 1000 resamples. Results This study included 1890 eyes of 958 participants. The ASD and TD groups each included 479 participants (945 eyes), had a mean (SD) age of 7.8 (3.2) years, and comprised mostly boys (392 [81.8%]). For ASD screening, the models had a mean AUROC, sensitivity, and specificity of 1.00 (95% CI, 1.00-1.00) on the test set. These models retained a mean AUROC of 1.00 using only 10% of the image containing the optic disc. For symptom severity screening, the models had a mean AUROC of 0.74 (95% CI, 0.67-0.80), sensitivity of 0.58 (95% CI, 0.49-0.66), and specificity of 0.74 (95% CI, 0.67-0.82) on the test set. Conclusions and Relevance These findings suggest that retinal photographs may be a viable objective screening tool for ASD and possibly for symptom severity. Retinal photograph use may speed the ASD screening process, which may help improve accessibility to specialized child psychiatry assessments currently strained by limited resources.
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Affiliation(s)
- Jae Han Kim
- Yonsei University College of Medicine, Severance Hospital, Yonsei University Health System, Seoul, Republic of Korea
| | - JaeSeong Hong
- Department of Biomedical Systems Informatics, Yonsei University College of Medicine, Seoul, Republic of Korea
| | - Hangnyoung Choi
- Department of Child and Adolescent Psychiatry, Severance Hospital, Yonsei University College of Medicine, Seoul, Republic of Korea
- Institute of Behavioral Science in Medicine, Yonsei University College of Medicine, Yonsei University Health System, Seoul, Republic of Korea
| | - Hyun Goo Kang
- Department of Ophthalmology, Institute of Vision Research, Severance Eye Hospital, Yonsei University College of Medicine, Seoul, Republic of Korea
| | - Sangchul Yoon
- Department of Medical Humanities and Social Sciences, Yonsei University College of Medicine, Seoul, Republic of Korea
| | - Jung Yeon Hwang
- Yonsei University College of Medicine, Severance Hospital, Yonsei University Health System, Seoul, Republic of Korea
| | - Yu Rang Park
- Department of Biomedical Systems Informatics, Yonsei University College of Medicine, Seoul, Republic of Korea
| | - Keun-Ah Cheon
- Department of Child and Adolescent Psychiatry, Severance Hospital, Yonsei University College of Medicine, Seoul, Republic of Korea
- Institute of Behavioral Science in Medicine, Yonsei University College of Medicine, Yonsei University Health System, Seoul, Republic of Korea
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Hus Y. Frozen in Time, a Focused Review of Autism Prevalence in Canadian Indigenous Communities. Neuropsychiatr Dis Treat 2023; 19:2451-2468. [PMID: 38029046 PMCID: PMC10658944 DOI: 10.2147/ndt.s439450] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 09/12/2023] [Accepted: 11/08/2023] [Indexed: 12/01/2023] Open
Abstract
The unprecedented global continuous rise in autism prevalence is often referred to as a Pandemic while its parallel cost increase to society portrays a Tsunami. Autism data originates mostly from industrialized High-Income geopolitical regions in Europe, North America, and Asian regions. Although efforts to determine autism data from regions in Low and Mid-economies are ongoing, prevalence information from geographically remote and economically vulnerable communities within the privileged regions is largely undetermined, as is the case of the Canadian Indigenous communities, the First Nations, Inuit, and Métis highlighted in this focused review. The underlying theoretical approach adopted here is Transcultural Psychiatry with its emphasis on Context including sociopolitical circumstances, considered the gateway to understanding health, illness, and recovery in groups and individuals. Accordingly, the review includes a concise relevant government system description and history of the relations with Indigenous peoples to provide context to present indigenous relations to Canadian government agencies. Scores in these communities face a myriad of survival challenges encompassing meagre health resources and services. Establishing autism prevalence data in these communities are exceedingly difficult due to multiple factors. While prominent among them are their strong ties to traditional approaches to health, illness, and autism conceptualization, the crucial obstacle is Crown and Provincial government authorities' and agencies' historically rooted colonial response to the needs of families with autistic members. It embodies a posture of infantilization, an attitude that is "frozen in time" in the approach, practice, accommodations, and services for these families. The review provides the preferred autism terminology, information sources, article flow, and Future Directions, all found in the Introduction's first paragraphs.
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Affiliation(s)
- Yvette Hus
- Department of Rehabilitation Sciences Theralab Research Director Prof. Kakia Petinou, Cyprus University of Technology, Limassol, Cyprus
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Cording KR, Bateup HS. Altered motor learning and coordination in mouse models of autism spectrum disorder. Front Cell Neurosci 2023; 17:1270489. [PMID: 38026686 PMCID: PMC10663323 DOI: 10.3389/fncel.2023.1270489] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/31/2023] [Accepted: 09/25/2023] [Indexed: 12/01/2023] Open
Abstract
Autism spectrum disorder (ASD) is a complex neurodevelopmental disorder with increasing prevalence. Over 1,000 risk genes have now been implicated in ASD, suggesting diverse etiology. However, the diagnostic criteria for the disorder still comprise two major behavioral domains - deficits in social communication and interaction, and the presence of restricted and repetitive patterns of behavior (RRBs). The RRBs associated with ASD include both stereotyped repetitive movements and other motor manifestations including changes in gait, balance, coordination, and motor skill learning. In recent years, the striatum, the primary input center of the basal ganglia, has been implicated in these ASD-associated motor behaviors, due to the striatum's role in action selection, motor learning, and habit formation. Numerous mouse models with mutations in ASD risk genes have been developed and shown to have alterations in ASD-relevant behaviors. One commonly used assay, the accelerating rotarod, allows for assessment of both basic motor coordination and motor skill learning. In this corticostriatal-dependent task, mice walk on a rotating rod that gradually increases in speed. In the extended version of this task, mice engage striatal-dependent learning mechanisms to optimize their motor routine and stay on the rod for longer periods. This review summarizes the findings of studies examining rotarod performance across a range of ASD mouse models, and the resulting implications for the involvement of striatal circuits in ASD-related motor behaviors. While performance in this task is not uniform across mouse models, there is a cohort of models that show increased rotarod performance. A growing number of studies suggest that this increased propensity to learn a fixed motor routine may reflect a common enhancement of corticostriatal drive across a subset of mice with mutations in ASD-risk genes.
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Affiliation(s)
- Katherine R. Cording
- Helen Wills Neuroscience Institute, University of California, Berkeley, Berkeley, CA, United States
| | - Helen S. Bateup
- Helen Wills Neuroscience Institute, University of California, Berkeley, Berkeley, CA, United States
- Molecular and Cell Biology Department, University of California, Berkeley, Berkeley, CA, United States
- Chan Zuckerberg Biohub, San Francisco, CA, United States
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Man MQ, Yang S, Mauro TM, Zhang G, Zhu T. Link between the skin and autism spectrum disorder. Front Psychiatry 2023; 14:1265472. [PMID: 37920540 PMCID: PMC10619695 DOI: 10.3389/fpsyt.2023.1265472] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 07/30/2023] [Accepted: 09/28/2023] [Indexed: 11/04/2023] Open
Abstract
Autism spectrum disorder (ASD) is a common neurological disorder. Although the etiologies of ASD have been widely speculated, evidence also supports the pathogenic role of cutaneous inflammation in autism. The prevalence of ASD is higher in individuals with inflammatory dermatoses than in those without inflammatory diseases. Anti-inflammation therapy alleviates symptoms of ASD. Recent studies suggest a link between epidermal dysfunction and ASD. In the murine model, mice with ASD display epidermal dysfunction, accompanied by increased expression levels of proinflammatory cytokines in both the skin and the brain. Children with ASD, which develops in their early lifetime, also exhibit altered epidermal function. Interestingly, improvement in epidermal function alleviates some symptoms of ASD. This line of evidence suggests a pathogenic role of cutaneous dysfunction in ASD. Either an improvement in epidermal function or effective treatment of inflammatory dermatoses can be an alternative approach to the management of ASD. We summarize here the current evidence of the association between the skin and ASD.
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Affiliation(s)
- Mao-Qiang Man
- Dermatology Hospital, Southern Medical University, Guangzhou, China
- Department of Dermatology, University of California, San Francisco, CA, United States
- Dermatology Service, San Francisco VA Medical Center,San Francisco, CA, United States
| | - Shuyun Yang
- Department of Dermatology, The People’s Hospital of Baoshan, Baoshan, China
| | - Theodora M. Mauro
- Department of Dermatology, University of California, San Francisco, CA, United States
- Dermatology Service, San Francisco VA Medical Center,San Francisco, CA, United States
| | - Guoqiang Zhang
- Department of Dermatology, The First Hospital of Hebei Medical University, Shijiazhuang, China
| | - Tingting Zhu
- Department of Dermatology, The First Affiliated Hospital of Soochow University, Suzhou, China
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Zhang C, Ma Y, Qiao L, Zhang L, Liu M. Learning to Fuse Multiple Brain Functional Networks for Automated Autism Identification. BIOLOGY 2023; 12:971. [PMID: 37508401 PMCID: PMC10376072 DOI: 10.3390/biology12070971] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 06/14/2023] [Revised: 07/03/2023] [Accepted: 07/06/2023] [Indexed: 07/30/2023]
Abstract
Functional connectivity network (FCN) has become a popular tool to identify potential biomarkers for brain dysfunction, such as autism spectrum disorder (ASD). Due to its importance, researchers have proposed many methods to estimate FCNs from resting-state functional MRI (rs-fMRI) data. However, the existing FCN estimation methods usually only capture a single relationship between brain regions of interest (ROIs), e.g., linear correlation, nonlinear correlation, or higher-order correlation, thus failing to model the complex interaction among ROIs in the brain. Additionally, such traditional methods estimate FCNs in an unsupervised way, and the estimation process is independent of the downstream tasks, which makes it difficult to guarantee the optimal performance for ASD identification. To address these issues, in this paper, we propose a multi-FCN fusion framework for rs-fMRI-based ASD classification. Specifically, for each subject, we first estimate multiple FCNs using different methods to encode rich interactions among ROIs from different perspectives. Then, we use the label information (ASD vs. healthy control (HC)) to learn a set of fusion weights for measuring the importance/discrimination of those estimated FCNs. Finally, we apply the adaptively weighted fused FCN on the ABIDE dataset to identify subjects with ASD from HCs. The proposed FCN fusion framework is straightforward to implement and can significantly improve diagnostic accuracy compared to traditional and state-of-the-art methods.
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Affiliation(s)
- Chaojun Zhang
- The School of Computer Science and Technology, Shandong Jianzhu University, Jinan 250101, China
- The School of Mathematics Science, Liaocheng University, Liaocheng 252000, China
| | - Yunling Ma
- The School of Mathematics Science, Liaocheng University, Liaocheng 252000, China
| | - Lishan Qiao
- The School of Mathematics Science, Liaocheng University, Liaocheng 252000, China
| | - Limei Zhang
- The School of Computer Science and Technology, Shandong Jianzhu University, Jinan 250101, China
| | - Mingxia Liu
- Department of Radiology and BRIC, University of North Carolina at Chapel Hill, Chapel Hill, NC 27599, USA
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Fleet BG, Elliott A, Orwin M, Spencer M, Sedda L. Autism trends in a medium size coastal town of England. PLoS One 2023; 18:e0287808. [PMID: 37390060 PMCID: PMC10313016 DOI: 10.1371/journal.pone.0287808] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/08/2023] [Accepted: 06/13/2023] [Indexed: 07/02/2023] Open
Abstract
Autism spectrum disorder (ASD) is a complex set of neurodevelopmental conditions which affects just under 1% of the global population. This study aims to investigate the trends in ASD diagnoses in a typical English deprived coastal community over the last two decades. ASD information for patients registered at Fleetwood GP practices were provided for the period between July 1952 to March 2022. The incidence and prevalence were calculated and Poisson regression modelling was employed to estimate the effects of age and sex on the number of ASD diagnoses over time. The study shows that there has been an upward trend in the number of ASD diagnoses over the past two decades. Model's results showed that sex differences in ASD diagnoses are less pronounced when accounting for time trends. The study findings show that Fleetwood has experienced a similar rise in ASD cases as the rest of the UK, most likely due to increased awareness that may explain the time effects over gender differences. However, due to the small sample size of the study, confirmation of the gender results and identification of the factors determining the temporal trends are needed in order to determine the gender effects in ASD diagnosis.
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Affiliation(s)
- Benjamin G. Fleet
- Faculty of Health and Medicine, Medicine and Surgery MBChB Student at Lancaster Medical School, Lancaster University, Lancaster, United Kingdom
| | - Alicia Elliott
- NHS Midlands and Lancashire Commissioning Support Unit, Lancashire Business Park, Leyland, United Kingdom
| | - Margaret Orwin
- NHS Midlands and Lancashire Commissioning Support Unit, Lancashire Business Park, Leyland, United Kingdom
| | - Mark Spencer
- Healthier Fleetwood, Health & Wellbeing Centre, Fleetwood, United Kingdom
| | - Luigi Sedda
- Faculty of Health and Medicine, Lancaster Ecology and Epidemiology Group, Lancaster Medical School, Lancaster University, Lancaster, United Kingdom
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23
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Algahtani MM, Ahmad SF, Alkharashi LA, Al-Harbi NO, Alanazi WA, Alhamed AS, Attia SM, Bakheet SA, Ibrahim KE, Nadeem A. Exposure to Methylmercury at Juvenile Stage Worsens Autism-like Symptoms in Adult BTBR T+tf/J Mice Due to Lack of Nuclear Factor Erythroid 2-Related Factor 2 Signaling Upregulation in Periphery and Brain. TOXICS 2023; 11:546. [PMID: 37368646 DOI: 10.3390/toxics11060546] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 06/06/2023] [Revised: 06/16/2023] [Accepted: 06/19/2023] [Indexed: 06/29/2023]
Abstract
Autism spectrum disorder (ASD) is a multifaceted developmental condition that first appears in infancy. The condition is characterized by recurrent patterns in behavior and impairments in social and vocalization abilities. Methylmercury is a toxic environmental pollutant, and its derivatives are the major source of organic mercury to human beings. Inorganic mercury, which is released from a variety of pollutants into oceans, rivers, and streams, is transformed into methylmercury by bacteria and plankton in the water, which later builds up in fish and shellfish, and then enters humans through the consumption of fish and shellfish and increases the risk of developing ASD by disturbing the oxidant-antioxidant balance. However, there has been no prior research to determine the effect of juvenile exposure of methylmercury chloride on adult BTBR mice. Therefore, the current study evaluated the effect of methylmercury chloride administered during the juvenile stage on autism-like behavior (three-chambered sociability, marble burying, self-grooming tests) and oxidant-antioxidant balance (specifically Nrf2, HO-1, SOD-1, NF-kB, iNOS, MPO, and 3-nitrotyrosine) in the peripheral neutrophils and cortex of adult BTBR and C57BL/6 (B6) mice. Our results show that exposure to methylmercury chloride at a juvenile stage results in autism-like symptoms in adult BTBR mice which are related to a lack of upregulation of the Nrf2 signaling pathway as demonstrated by no significant changes in the expression of Nrf2, HO-1, and SOD-1 in the periphery and cortex. On the other hand, methylmercury chloride administration at a juvenile stage increased oxidative inflammation as depicted by a significant increase in the levels of NF-kB, iNOS, MPO, and 3-nitrotyrosine in the periphery and cortex of adult BTBR mice. This study suggests that juvenile exposure to methylmercury chloride contributes to the worsening of autism-like behavior in adult BTBR mice through the disruption of the oxidant-antioxidant balance in the peripheral compartment and CNS. Strategies that elevate Nrf2 signaling may be useful to counteract toxicant-mediated worsening of ASD and may improve quality of life.
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Affiliation(s)
- Mohammad M Algahtani
- Department of Pharmacology and Toxicology, College of Pharmacy, King Saud University, Riyadh 11451, Saudi Arabia
| | - Sheikh F Ahmad
- Department of Pharmacology and Toxicology, College of Pharmacy, King Saud University, Riyadh 11451, Saudi Arabia
| | - Layla A Alkharashi
- Department of Pharmacology and Toxicology, College of Pharmacy, King Saud University, Riyadh 11451, Saudi Arabia
| | - Naif O Al-Harbi
- Department of Pharmacology and Toxicology, College of Pharmacy, King Saud University, Riyadh 11451, Saudi Arabia
| | - Wael A Alanazi
- Department of Pharmacology and Toxicology, College of Pharmacy, King Saud University, Riyadh 11451, Saudi Arabia
| | - Abdullah S Alhamed
- Department of Pharmacology and Toxicology, College of Pharmacy, King Saud University, Riyadh 11451, Saudi Arabia
| | - Sabry M Attia
- Department of Pharmacology and Toxicology, College of Pharmacy, King Saud University, Riyadh 11451, Saudi Arabia
| | - Saleh A Bakheet
- Department of Pharmacology and Toxicology, College of Pharmacy, King Saud University, Riyadh 11451, Saudi Arabia
| | - Khalid E Ibrahim
- Department of Zoology, College of Science, King Saud University, Riyadh 11451, Saudi Arabia
| | - Ahmed Nadeem
- Department of Pharmacology and Toxicology, College of Pharmacy, King Saud University, Riyadh 11451, Saudi Arabia
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