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https://www.readbyqxmd.com/read/27900342/cacna1c-protecting-young-hippocampal-neurons-in-the-adult-brain
#1
Héctor De Jesús-Cortés, Anjali M Rajadhyaksha, Andrew A Pieper
Neuropsychiatric disease is the leading cause of disability in the United States, and fourth worldwide.(1,2) Not surprisingly, human genetic studies have revealed a common genetic predisposition for many forms of neuropsychiatric disease, potentially explaining why overlapping symptoms are commonly observed across multiple diagnostic categories. For example, the CACNA1C gene was recently identified in the largest human genome-wide association study to date as a risk loci held in common across 5 major forms of neuropsychiatric disease: bipolar disorder, schizophrenia, major depressive disorder (MDD), autism spectrum disorder and attention deficit-hyperactivity disorder...
2016: Neurogenesis (Austin, Tex.)
https://www.readbyqxmd.com/read/27896942/mid-childhood-outcomes-of-infant-siblings-at-familial-high-risk-of-autism-spectrum-disorder
#2
Elizabeth Shephard, Bosiljka Milosavljevic, Greg Pasco, Emily J H Jones, Teodora Gliga, Francesca Happé, Mark H Johnson, Tony Charman
Almost one-in-five infants at high familial risk for autism spectrum disorder (ASD), due to having an older sibling with an ASD diagnosis, develop ASD themselves by age 3 years. Less is known about the longer-term outcomes of high-risk infants. To address this issue, we examined symptoms of ASD and associated developmental conditions (attention-deficit/hyperactivity disorder (ADHD); anxiety), language, IQ, and adaptive behaviour at age 7 years in high- and low-risk children studied from infancy. We compared outcomes between high-risk children who met criteria for ASD at age 7, high-risk children without ASD, and low-risk control children...
November 29, 2016: Autism Research: Official Journal of the International Society for Autism Research
https://www.readbyqxmd.com/read/27893955/using-a-patient-centered-outcome-measure-to-test-methylphenidate-versus-placebo-in-children-with-autism-spectrum-disorder
#3
Lawrence Scahill, Karen Bearss, Rena Sarhangian, Christopher J McDougle, L Eugene Arnold, Michael G Aman, James T McCracken, Elaine Tierney, Scott Gillespie, Valentina Postorino, Benedetto Vitiello
OBJECTIVES: Parent rating scales are commonly used to evaluate change in clinical trials. Despite advantages, these measures may not capture parental impression of the child's most salient problems. We examine the use of parent target problems (PTPs) in a randomized trial of methylphenidate (MPH) in children with autism spectrum disorder and symptoms of attention-deficit/hyperactivity disorder. METHODS: This multisite, 4-week, randomized crossover trial compared three dose levels (low, medium, and high) of MPH with placebo...
November 28, 2016: Journal of Child and Adolescent Psychopharmacology
https://www.readbyqxmd.com/read/27893232/narrative-production-in-children-with-autism-spectrum-disorder-asd-and-children-with-attention-deficit-hyperactivity-disorder-adhd-similarities-and-differences
#4
Sanne J M Kuijper, Catharina A Hartman, Suzanne T M Bogaerds-Hazenberg, Petra Hendriks
The present study focuses on the similarities and differences in language production between children with autism spectrum disorder (ASD) and children with attention-deficit/hyperactivity disorder (ADHD). In addition, we investigated whether Theory of Mind (ToM), working memory, and response inhibition are associated with language production. Narratives, produced by 106 Dutch-speaking children (36 with ASD, 34 with ADHD, and 36 typically developing) aged 6 to 12 during ADOS assessment, were examined on several linguistic measures: verbal productivity, speech fluency, syntactic complexity, lexical semantics, and discourse pragmatics...
November 28, 2016: Journal of Abnormal Psychology
https://www.readbyqxmd.com/read/27891365/visual-function-and-ocular-status-in-children-with-disabilities-in-special-schools-of-northern-india
#5
Gurvinder Kaur, Satish Thomas, Mahesh Jindal, S M Bhatti
INTRODUCTION: Children with disabilities (other than visual impairment) are at a higher risk of visual impairment as compared to normal population. Majority of the ocular disorders, like refractive errors and strabismus, are easily treatable. As these children depend on their visual inputs for social and academic activities, an early detection and prompt treatment of even a minor visual problem is of utmost importance for them. AIM: To assess the visual function and ocular status of children with disabilities other than visual impairment and to identify the preventable and treatable causes of visual impairment...
October 2016: Journal of Clinical and Diagnostic Research: JCDR
https://www.readbyqxmd.com/read/27889487/adhd-severity-as-it-relates-to-comorbid-psychiatric-symptomatology-in-children-with-autism-spectrum-disorders-asd
#6
Rosleen Mansour, Allison T Dovi, David M Lane, Katherine A Loveland, Deborah A Pearson
Comorbid diagnoses identified in pediatric samples have been correlated with a range of outcomes, including greater levels of emotional, behavioral, and educational impairment and the need for more intensive treatment. Given that previous research has documented high levels of comorbid Attention-Deficit/Hyperactivity Disorder (ADHD) in children with Autism Spectrum Disorders (ASD), this study closely examines the relationship between parent-reported ADHD symptoms (i.e., Conners' Parent Rating Scale, Revised [CPRS-R]) and the prevalence of additional comorbid psychiatric diagnoses in a pediatric ASD sample (n=99)...
November 24, 2016: Research in Developmental Disabilities
https://www.readbyqxmd.com/read/27889187/maternal-polycystic-ovary-syndrome-and-risk-for-attention-deficit-hyperactivity-disorder-in-the-offspring
#7
Kyriaki Kosidou, Christina Dalman, Linnea Widman, Stefan Arver, Brian K Lee, Cecilia Magnusson, Renee M Gardner
BACKGROUND: Attention-deficit/hyperactivity disorder (ADHD) is the most common childhood neurodevelopmental disorder, and boys are two to three times more likely to develop ADHD. Maternal polycystic ovary syndrome (PCOS), a common metabolic disorder associated with excess circulating androgens, has been associated with increased risk for autism spectrum disorder in the offspring. In this study, we aimed to investigate whether maternal PCOS increases the risk for ADHD in the offspring...
October 6, 2016: Biological Psychiatry
https://www.readbyqxmd.com/read/27888397/synaptosome-associated-protein-25-snap25-gene-association-analysis-revealed-risk-variants-for-asd-in-iranian-population
#8
Mohammad Reza Safari, Mir Davood Omrani, Rezvan Noroozi, Arezou Sayad, Shaghayegh Sarrafzadeh, Alireza Komaki, Fateme Asadzadeh Manjili, Mehrdokht Mazdeh, Ali Ghaleiha, Mohammad Taheri
Autism spectrum disorder (ASD) is a common, complex neurological condition, affecting approximately 1% of people worldwide. Monogenic neurodevelopmental disorders which showed autistic behavior patterns have suggested synaptic dysfunction, as a key mechanism in the pathophysiology of ASD. Subsequently, genes involved in synaptic signaling have been investigated with a priority for candidate gene studies. A synaptosomal-associated protein 25 (SNAP25) gene plays a crucial role in the central nervous system, contributing to exocytosis by targeting and fusion of vesicles to the cell membrane...
November 26, 2016: Journal of Molecular Neuroscience: MN
https://www.readbyqxmd.com/read/27876121/possible-neuronal-mechanisms-of-sleep-disturbances-in-patients-with-autism-spectrum-disorders-and-attention-deficit-hyperactivity-disorder
#9
Jun Kohyama
The most common form of sleep disturbance among both patients with autism spectrum disorders and patients with attention-deficit/hyperactivity disorder is sleep-onset insomnia, but the neuronal mechanisms underlying it have yet to be elucidated and no specific treatment strategy has been proposed. This means that many caregivers struggle to manage this problem on a daily basis. This paper presents a hypothesis about the neuronal mechanisms underlying insomnia in patients with autism spectrum disorders and attention-deficit/hyperactivity disorder based on recent clinical and basic research...
December 2016: Medical Hypotheses
https://www.readbyqxmd.com/read/27874270/neurodevelopmental-disorders-are-highly-over-represented-in-children-with-obesity-a-cross-sectional-study
#10
Elisabet Wentz, Anna Björk, Jovanna Dahlgren
OBJECTIVE: To investigate prevalence of neurodevelopmental disorders in children with obesity and to compare body mass index (BMI) and metabolic profile in the children. METHODS: Seventy-six children (37 girls, 39 boys) were consecutively recruited from a university outpatient clinic specialized in severe obesity. Neurodevelopmental disorders including attention-deficit/hyperactivity disorder (ADHD), autism spectrum disorder (ASD), and developmental coordination disorder (DCD) were assessed using interviews and questionnaires...
November 22, 2016: Obesity
https://www.readbyqxmd.com/read/27874266/meta-analysis-of-neuropsychological-measures-of-executive-functioning-in-children-and-adolescents-with-high-functioning-autism-spectrum-disorder
#11
Chun Lun Eric Lai, Zoe Lau, Simon S Y Lui, Eugenia Lok, Venus Tam, Quinney Chan, Koi Man Cheng, Siu Man Lam, Eric F C Cheung
Existing literature on the profile of executive dysfunction in autism spectrum disorder showed inconsistent results. Age, comorbid attention-deficit/hyperactivity disorder (ADHD) and cognitive abilities appeared to play a role in confounding the picture. Previous meta-analyses have focused on a few components of executive functions. This meta-analysis attempted to delineate the profile of deficit in several components of executive functioning in children and adolescents with high-functioning autism spectrum disorder (HFASD)...
November 22, 2016: Autism Research: Official Journal of the International Society for Autism Research
https://www.readbyqxmd.com/read/27869148/motor-noise-is-rich-signal-in-autism-research-and-pharmacological-treatments
#12
E B Torres, K Denisova
The human body is in constant motion, from every breath that we take, to every visibly purposeful action that we perform. Remaining completely still on command is a major achievement as involuntary fluctuations in our motions are difficult to keep under control. Here we examine the noise-to-signal ratio of micro-movements present in time-series of head motions extracted from resting-state functional magnetic resonance imaging scans in 1048 participants. These included individuals with autism spectrum disorders (ASD) and healthy-controls in shared data from the Autism Brain Imaging Data Exchange (ABIDE) and the Attention-Deficit Hyperactivity Disorder (ADHD-200) databases...
November 21, 2016: Scientific Reports
https://www.readbyqxmd.com/read/27867343/park2-microduplication-clinical-and-molecular-characterization-of-a-further-case-and-review-of-the-literature
#13
Orazio Palumbo, Pietro Palumbo, Maria P Leone, Raffaella Stallone, Teresa Palladino, Marcella Vendemiale, Stefano Palladino, Francesco Papadia, Massimo Carella, Rira Fischetto
We report on a patient with psychomotor deficits, language delay, dyspraxia, skeletal anomalies, and facial dysmorphisms (hirsutism, right palpebral ptosis, a bulbous nasal tip with enlarged and anteverted nares, and a mild prominent antihelix stem). Using high-resolution SNP array analysis, we identified a 0.49-Mb microduplication in chromosome 6q26 inherited from the mother involving the PARK2 gene: arr[hg19] 6q26(162,672,821-163,163,143)×3 mat. To the best of our knowledge, this is the third patient to date described in whom a 6q26 microduplication encompassing only the PARK2 gene has been reported in medical literature...
October 2016: Molecular Syndromology
https://www.readbyqxmd.com/read/27866083/neuroanatomical-differences-in-fast-and-slow-rat-strains-with-differential-vulnerability-to-kindling-and-behavioral-comorbidities
#14
Pragati Sharma, Stefanie Dedeurwaerdere, Michael A D Vandenberg, Ke Fang, Leigh A Johnston, Sandy R Shultz, Terence J O'Brien, Krista L Gilby
OBJECTIVE: The neurobiological factors underlying a predisposition towards developing epilepsy and its common behavioral comorbidities are poorly understood. FAST rats are a strain that has been selectively bred for enhanced vulnerability to kindling, while the SLOW strain has been bred to be resistant to kindling. FAST rats also exhibit behavioral traits reminiscent of those observed in neurodevelopmental disorders (autism spectrum disorder (ASD)/attention-deficit/hyperactivity disorder (ADHD)) commonly comorbid with epilepsy...
November 17, 2016: Epilepsy & Behavior: E&B
https://www.readbyqxmd.com/read/27862704/what-happens-to-children-who-move-off-the-autism-spectrum-a-clinical-follow-up-study
#15
Nahit Motavalli Mukaddes, Tuba Mutluer, Basak Ayik, Ayla Umut
OBJECTIVES: There is controversial information on school age outcome of individuals who lose the diagnosis of autism and achieve "optimal outcome" (OO). The present study aimed to assess the autism symptoms and other psychiatric disorders in a group of children with a past history of autism. METHODS: The study includes individuals (n=26) who lost the diagnosis of autism two to eight years previously. Clinical assessment was done with both parents and children. DSM-V criteria were used for diagnosis of ASD...
November 12, 2016: Pediatrics International: Official Journal of the Japan Pediatric Society
https://www.readbyqxmd.com/read/27862512/age-and-gender-related-differences-in-emotional-and-behavioural-problems-and-autistic-features-in-children-and-adolescents-with-down-syndrome-a-survey-based-study-of-674-individuals
#16
T Naerland, K A Bakke, S Storvik, G Warner, P Howlin
BACKGROUND: Recent studies have indicated an increased risk of autism, behavioural and emotional problems and attention-deficit/hyperactivity disorder in individuals with Down syndrome. METHOD: In a large-scale survey-based study, we examined the rates of these problems and their relationship to age and gender, in a sample of 674 individuals (4-18 years) with Down syndrome. The relationship with IQ level was also explored in a subsample (n = 175). The Strengths and Difficulties Questionnaire and the Social Communication Questionnaire were used to assess behavioural and emotional problems and autism traits...
November 13, 2016: Journal of Intellectual Disability Research: JIDR
https://www.readbyqxmd.com/read/27859919/integrated-multimodal-network-approach-to-pet-and-mri-based-on-multidimensional-persistent-homology
#17
Hyekyoung Lee, Hyejin Kang, Moo K Chung, Seonhee Lim, Bung-Nyun Kim, Dong Soo Lee
Finding underlying relationships among multiple imaging modalities in a coherent fashion is one of the challenging problems in multimodal analysis. In this study, we propose a novel approach based on multidimensional persistence. In the extension of the previous threshold-free method of persistent homology, we visualize and discriminate the topological change of integrated brain networks by varying not only threshold but also mixing ratio between two different imaging modalities. The multidimensional persistence is implemented by a new bimodal integration method called 1D projection...
November 17, 2016: Human Brain Mapping
https://www.readbyqxmd.com/read/27855195/paternal-aging-affects-behavior-in-pax6-mutant-mice-a-gene-environment-interaction-in-understanding-neurodevelopmental-disorders
#18
Kaichi Yoshizaki, Tamio Furuse, Ryuichi Kimura, Valter Tucci, Hideki Kaneda, Shigeharu Wakana, Noriko Osumi
Neurodevelopmental disorders such as autism spectrum disorder (ASD) and attention deficit and hyperactivity disorder (ADHD) have increased over the last few decades. These neurodevelopmental disorders are characterized by a complex etiology, which involves multiple genes and gene-environmental interactions. Various genes that control specific properties of neural development exert pivotal roles in the occurrence and severity of phenotypes associated with neurodevelopmental disorders. Moreover, paternal aging has been reported as one of the factors that contribute to the risk of ASD and ADHD...
2016: PloS One
https://www.readbyqxmd.com/read/27853923/the-cognitive-and-behavioral-phenotypes-of-individuals-with-chrna7-duplications
#19
M A Gillentine, L N Berry, R P Goin-Kochel, M A Ali, J Ge, D Guffey, J A Rosenfeld, V Hannig, P Bader, M Proud, M Shinawi, B H Graham, A Lin, S R Lalani, J Reynolds, M Chen, T Greb, C G Minard, P Stankiewicz, A L Beaudet, C P Schaaf
Chromosome 15q11q13 is among the least stable regions in the genome due to its highly complex genomic architecture. Low copy repeat elements at 15q13.3 facilitate recurrent copy number variants (CNVs), with deletions established as pathogenic and CHRNA7 implicated as a candidate gene. However, the pathogenicity of duplications of CHRNA7 is unclear, as they are found in affected probands as well as in reportedly healthy parents and unaffected control individuals. We evaluated 18 children with microduplications involving CHRNA7, identified by clinical chromosome microarray analysis (CMA)...
November 16, 2016: Journal of Autism and Developmental Disorders
https://www.readbyqxmd.com/read/27846197/association-between-breastfeeding-duration-and-cognitive-development-autistic-traits-and-adhd-symptoms-a-multicenter-study-in-spain
#20
Olivier Boucher, Jordi Julvez, Mònica Guxens, Enrique Arranz, Jesús Ibarluzea, Manuel Sánchez de Miguel, Ana Fernández-Somoano, Adonina Tardon, Marisa Rebagliato, Raquel Garcia-Esteban, Giselle O'Connor, Ferran Ballester, Jordi Sunyer
BACKGROUND: Several studies have related longer breastfeeding duration to better intellectual performance in children. By contrast, few studies have investigated the potential protective effects of breastfeeding against behavioral problems such as attention deficit hyperactivity disorder (ADHD) symptoms, and even fewer on autism spectrum disorders (ASD) traits. METHODS: We examined the association between breastfeeding duration and cognitive development, attention, ADHD symptoms, and autistic traits using data from the INMA Project, a Spanish multicenter birth-cohort study, and taking into account the intensity of breastfeeding...
November 15, 2016: Pediatric Research
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