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attention deficiency hyperactivity disorder

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https://www.readbyqxmd.com/read/29018333/cadherin-13-deficiency-increases-dorsal-raphe-5-ht-neuron-density-and-prefrontal-cortex-innervation-in-the-mouse-brain
#1
Andrea Forero, Olga Rivero, Sina Wäldchen, Hsing-Ping Ku, Dominik P Kiser, Yvonne Gärtner, Laura S Pennington, Jonas Waider, Patricia Gaspar, Charline Jansch, Frank Edenhofer, Thérèse J Resink, Robert Blum, Markus Sauer, Klaus-Peter Lesch
Background: During early prenatal stages of brain development, serotonin (5-HT)-specific neurons migrate through somal translocation to form the raphe nuclei and subsequently begin to project to their target regions. The rostral cluster of cells, comprising the median and dorsal raphe (DR), innervates anterior regions of the brain, including the prefrontal cortex. Differential analysis of the mouse 5-HT system transcriptome identified enrichment of cell adhesion molecules in 5-HT neurons of the DR. One of these molecules, cadherin-13 (Cdh13) has been shown to play a role in cell migration, axon pathfinding, and synaptogenesis...
2017: Frontiers in Cellular Neuroscience
https://www.readbyqxmd.com/read/28948974/a-upf3b-mutant-mouse-model-with-behavioral-and-neurogenesis-defects
#2
L Huang, E Y Shum, S H Jones, C-H Lou, J Dumdie, H Kim, A J Roberts, L A Jolly, J L Espinoza, D M Skarbrevik, M H Phan, H Cook-Andersen, N R Swerdlow, J Gecz, M F Wilkinson
Nonsense-mediated RNA decay (NMD) is a highly conserved and selective RNA degradation pathway that acts on RNAs terminating their reading frames in specific contexts. NMD is regulated in a tissue-specific and developmentally controlled manner, raising the possibility that it influences developmental events. Indeed, loss or depletion of NMD factors have been shown to disrupt developmental events in organisms spanning the phylogenetic scale. In humans, mutations in the NMD factor gene, UPF3B, cause intellectual disability (ID) and are strongly associated with autism spectrum disorder (ASD), attention deficit hyperactivity disorder (ADHD) and schizophrenia (SCZ)...
September 26, 2017: Molecular Psychiatry
https://www.readbyqxmd.com/read/28934990/x-linked-ichthyosis-associated-with-psychosis-and-behavioral-abnormalities-a-case-report
#3
Amna Malik, Ahmed Bait Amer, Mohammed Salama, Bander Haddad, Muhammad T Alrifai, Mohammed Al Balwi, William Davies, Wafaa Eyaid
BACKGROUND: X-linked ichthyosis is a dermatological condition caused by deficiency for the enzyme steroid sulfatase. Previously, X-linked ichthyosis/steroid sulfatase deficiency has been associated with developmental and neurological phenotypes. Here, we show for the first time, that X-linked ichthyosis may be comorbid with an additional psychiatric phenotype (psychosis). CASE PRESENTATION: We report the case of an 11-year-old Saudi Arabian boy with X-linked ichthyosis associated with psychosis, mental retardation, autism spectrum disorder, inattentive attention deficit hyperactivity disorder, and epilepsy...
September 22, 2017: Journal of Medical Case Reports
https://www.readbyqxmd.com/read/28844595/cognitive-impairments-associated-with-alterations-in-synaptic-proteins-induced-by-the-genetic-loss-of-adenosine-a2a-receptors-in-mice
#4
Maria Moscoso-Castro, Marc López-Cano, Irene Gracia-Rubio, Francisco Ciruela, Olga Valverde
The study of psychiatric disorders usually focuses on emotional symptoms assessment. However, cognitive deficiencies frequently constitute the core symptoms, are often poorly controlled and handicap individual's quality of life. Adenosine receptors, through the control of both dopamine and glutamate systems, have been implicated in the pathophysiology of several psychiatric disorders such as schizophrenia and attention deficit/hyperactivity disorder. Indeed, clinical data indicate that poorly responsive schizophrenia patients treated with adenosine adjuvants show improved treatment outcomes...
August 26, 2017: Neuropharmacology
https://www.readbyqxmd.com/read/28832371/dietary-factors-in-the-etiology-and-therapy-of-attention-deficit-hyperactivity-disorder
#5
Klaus W Lange
PURPOSE OF REVIEW: The purpose of this study is to discuss the role of dietary factors in the etiology and therapy of attention deficit/hyperactivity disorder (ADHD). Relevant literature published from January 2016 to January 2017 was included in this review. RECENT FINDINGS: Unhealthy prenatal diet may be associated with ADHD in the offspring through an increase in epigenetic changes. The few-foods diet may have some efficacy, but requires further investigation before firm conclusions can be drawn...
August 19, 2017: Current Opinion in Clinical Nutrition and Metabolic Care
https://www.readbyqxmd.com/read/28793231/association-of-mitochondrial-dna-10398-a-g-polymorphism-with-attention-deficit-and-hyperactivity-disorder-in-korean-children
#6
In Wook Hwang, Jun Ho Hong, Bit Na Kwon, Hyung Jun Kim, Noo Ri Lee, Myung Ho Lim, Ho Jang Kwon, Han Jun Jin
Mitochondria are subcellular organelles that contribute to aerobic ATP generation by oxidative phosphorylation (OXPHOS). Previous studies reported that mitochondrial dysfunction and deficiency caused by mitochondrial DNA polymorphisms is associated with various diseases. Especially, mitochondrial DNA 10398 A/G polymorphism is known to affect the regulation of mitochondrial calcium levels related to energy production, and its association with psychiatric disorders such as schizophrenia and bipolar disorder has been reported...
September 30, 2017: Gene
https://www.readbyqxmd.com/read/28791958/the-%C3%AE-7-nach-nicotinic-receptor-and-its-role-in-memory-and-selected-diseases-of-the-central-nervous-system
#7
REVIEW
Urszula Baranowska, Róża Julia Wiśniewska
α7-nACh is one of the major nicotinic cholinergic receptor subtypes found in the brain. It is broadly expressed in the hippocampal and cortical neurons, the regions which play a key role in memory formation. Although α7-nACh receptors may serve as postsynaptic receptors mediating classical neurotransmission, they usually function as presynaptic modulators responsible for the release of other neurotransmitters, such as glutamate, γ-aminobutyric acid, dopamine, and norepinephrine. They can, therefore, affect a wide array of neurobiological functions...
July 30, 2017: Postȩpy Higieny i Medycyny Doświadczalnej
https://www.readbyqxmd.com/read/28770370/exploring-deficient-emotion-regulation-in-adult-adhd-electrophysiological-evidence
#8
Anna Shushakova, Patricia Ohrmann, Anya Pedersen
Emotional dysregulation (ED) is being increasingly recognized as a core feature of attention-deficit/hyperactivity disorder (ADHD), but the pathophysiological underpinnings remain unclear. In this study, we provide meaningful electrophysiological evidence of ED in adult patients with ADHD (n = 39) compared to healthy controls (n = 40) by exploring the electrophysiological correlates of the emotion regulation strategies reappraisal, distraction, and expressive suppression. Event-related potentials (ERPs) were recorded during passive viewing of neutral and negative images, as well as during emotion regulation...
August 2, 2017: European Archives of Psychiatry and Clinical Neuroscience
https://www.readbyqxmd.com/read/28763482/attention-impairments-and-adhd-symptoms-in-adult-narcoleptic-patients-with-and-without-hypocretin-deficiency
#9
Marco Filardi, Fabio Pizza, Lorenzo Tonetti, Elena Antelmi, Vincenzo Natale, Giuseppe Plazzi
BACKGROUND: Attentional complaints are common in narcolepsy patients and can overlap with daytime sleepiness features. Few studies attempted to characterize attentional domains in narcolepsy leading to controversial results. We aimed to assess the impact of hypocretin deficiency on attentional functioning by comparing performances on the attention network test (ANT) of narcoleptic patients with hypocretin deficiency (narcolepsy type 1-NT1) versus patients without hypocretin deficiency (narcolepsy type 2-NT2) and healthy controls...
2017: PloS One
https://www.readbyqxmd.com/read/28745216/insights-in-developmental-coordination-disorder
#10
Marie Farmer, Bernard Echenne, Regen Drouin, M Hamed Bentourkia
BACKGROUND: Developmental Coordination Disorder (DCD) is a neurological impairment occurring in nearly 6% of general population, and sometimes mimics other developmental disorders like Attention Deficit Hyperactivity Disorder (ADHD) or, in the most severe cases, intellectual deficiency. OBJECTIVE: We propose in this review a contribution on this matter in order to provide better insights in DCD including clinical symptoms and pathophysiological explanations that would identify this entity from others...
July 26, 2017: Current Pediatric Reviews
https://www.readbyqxmd.com/read/28741625/omega-3-polyunsaturated-fatty-acids-in-youths-with-attention-deficit-hyperactivity-disorder-adhd-a-systematic-review-and-meta-analysis-of-clinical-trials-and-biological-studies
#11
JanePei-Chen Chang, Kuan-Pin Su, Valeria Mondelli, Carmine M Pariante
The role of omega-3 polyunsaturated fatty acids (omega-3 or n-3 PUFAs) in the pathogenesis and treatment of children and adolescents with attention deficit hyperactivity disorder (ADHD) is unclear. A systematic review followed by meta-analysis was conducted on: (1) randomized controlled trials (RCTs) assessing the effects of n-3 PUFAs on clinical symptoms and cognition in children and adolescent with ADHD; and (2) case-control studies assessing the levels of n-3 PUFAs in blood and buccal tissues of children and adolescents with ADHD...
July 25, 2017: Neuropsychopharmacology: Official Publication of the American College of Neuropsychopharmacology
https://www.readbyqxmd.com/read/28740469/neuroligins-nlg2-and-nlg4-affect-social-behavior-in-drosophila-melanogaster
#12
Kristina Corthals, Alina Sophia Heukamp, Robert Kossen, Isabel Großhennig, Nina Hahn, Heribert Gras, Martin C Göpfert, Ralf Heinrich, Bart R H Geurten
The genome of Drosophila melanogaster includes homologs to approximately one-third of the currently known human disease genes. Flies and humans share many biological processes, including the principles of information processing by excitable neurons, synaptic transmission, and the chemical signals involved in intercellular communication. Studies on the molecular and behavioral impact of genetic risk factors of human neuro-developmental disorders [autism spectrum disorders (ASDs), schizophrenia, attention deficit hyperactivity disorders, and Tourette syndrome] increasingly use the well-studied social behavior of D...
2017: Frontiers in Psychiatry
https://www.readbyqxmd.com/read/28727612/commentary-on-formula-feeding-as-a-risk-factor-for-attention-deficiency-hyperactivity-disorder-is-bisphenol-a-exposure-a-smoking-gun
#13
Michael Weitzman, Lily Lee
No abstract text is available yet for this article.
September 2017: Journal of Developmental and Behavioral Pediatrics: JDBP
https://www.readbyqxmd.com/read/28721740/clinical-features-and-subjective-physiological-responses-to-emotional-stimuli-in-the-presence-of-emotion-dysregulation-in-attention-deficit-hyperactivity-disorder
#14
Candan Taskiran, Serkan Karaismailoglu, Halime Tuna Cak Esen, Zeynep Tuzun, Aysen Erdem, Zeynep Dicle Balkanci, Anil Barak Dolgun, Sadriye Ebru Cengel Kultur
INTRODUCTION: Emotion dysregulation (ED) has long been recognized in clinical descriptions of attention-deficit hyperactivity disorder (ADHD), but a renewed interest in ED has advanced research on the overlap between the two entities. Autonomic reactivity (AR) is a neurobiological correlate of emotion regulation; however, the association between ADHD and AR remains unclear. Our aim was to explore the clinical differences, AR, and subjective emotional responses to visual emotional stimuli in ADHD children with and without ED...
July 19, 2017: Journal of Clinical and Experimental Neuropsychology
https://www.readbyqxmd.com/read/28686562/-impulsivity-as-an-immediate-factor-between-addictive-disorders-and-attention-deficit-hyperactivity-disorder
#15
H Lazaratou, A Palaiologou, D Anagnostopoulos
Impulsivity is a behavior in everyday life of mentally healthy individuals. But in some cases the degree of impulsivity begins to create negative effects on one's life and acquires pathological connotation. Two clinical entities in which can be observed a high degree of impulsivity is Attention Deficit Hyperactivity Disorder (ADHD) and Addictive disorders. In these disorders, both impulsive act and impulsive choice are observed. According to some researchers, genetic factors are involved in the control of impulsivity...
April 2017: Psychiatrikē, Psychiatriki
https://www.readbyqxmd.com/read/28602133/nutritional-and-environmental-factors-in-attention-deficit-hyperactivity-disorder-adhd-a-cross-sectional-study
#16
Ismael San Mauro Martín, Javier Andrés Blumenfeld Olivares, Elena Garicano Vilar, Manuela Echeverry López, Marta García Bernat, Yaiza Quevedo Santos, Marta Blanco López, Paloma Elortegui Pascual, Elena Borregon Rivilla, Mario Rincón Barrado
OBJECTIVES: Attention-deficit hyperactivity disorder (ADHD) has been related to nutrient deficiencies and 'unhealthy' diets, and to date there is only one study that examined the relationship between the Mediterranean diet and ADHD. The aim was to determine the association between those environmental, nutritional, and body composition factors that may affect the pathogenesis and symptomatology of patients with ADHD in Spain. METHODS: A total of 89 children and adolescents (41 with diagnosed ADHD and 48 controls) were studied in an observation case-control study...
June 11, 2017: Nutritional Neuroscience
https://www.readbyqxmd.com/read/28566963/the-investigation-of-symptoms-and-diagnoses-of-adult-attention-deficit-hyperactivity-disorder-in-women-with-iron-deficiency-anemia
#17
Kadir Demirci, Funda Yildirim Baş, Bahriye Arslan, Zeliha Salman, Abdullah Akpinar, Arif Demirdaş
INTRODUCTION: The aim of this study was to investigate symptoms and diagnoses of Adult-Attention Deficit/Hyperactivity Disorder (ADHD) in women with iron deficiency anemia, to evaluate relationship between ADHD with clinical features and to compare with the women without iron deficiency anemia. METHODS: Eighty-three newly diagnosed iron deficiency anemia patients and 70 healthy controls were included in this study. All participants were assessed using a sociodemographic form, Structured Clinical Interview I (SCID-I), Wender Utah Rating Scale (WURS); Moreover, participants having WURS scores 36 and above were also assessed using the Adult ADD/ADHD Evaluation Scale and interviewed according to DSM-5 criteria...
March 2017: Noro Psikiyatri Arsivi
https://www.readbyqxmd.com/read/28562425/rotational-and-collic-vestibular-evoked-myogenic-potential-testing-in-normal-developing-children-and-children-with-combined-attention-deficit-hyperactivity-disorder
#18
Younes Lotfi, Nima Rezazadeh, Abdollah Moossavi, Hojjat Allah Haghgoo, Reza Rostami, Enayatollah Bakhshi, Faride Badfar, Sedigheh Farokhi Moghadam, Vahid Sadeghi-Firoozabadi, Yousef Khodabandelou
OBJECTIVES: Vestibular dysfunction in childhood can have a major effect on a child's developmental process. Balance function has been reported to be poorer in children with attention deficit and hyperactivity disorder (ADHD) than in their typically developing peers. Due to contradictory available evidence and the paucity of research on vestibular function specifically in children with combined ADHD (cADHD), we designed this aged-matched study to assess vestibular function in children with cADHD...
May 26, 2017: Ear and Hearing
https://www.readbyqxmd.com/read/28470381/relationship-of-serum-ferritin-level-and-tic-severity-in-children-with-tourette-syndrome
#19
Debabrata Ghosh, Elizabeth Burkman
PURPOSE: Tics can be considered hyperkinetic movements akin to restless leg syndrome (RLS). Drawing the analogy of iron deficiency as an etiology of RLS, it is conceivable that iron deficiency may underlie or worsen tics in Tourette syndrome (TS). The purpose of this study was to evaluate the relationship between serum ferritin levels and tic severity, as well as consequent impact on life, in children with TS. METHODS: Children <18 years, diagnosed with TS during 2009-2015, were reviewed...
August 2017: Child's Nervous System: ChNS: Official Journal of the International Society for Pediatric Neurosurgery
https://www.readbyqxmd.com/read/28466614/do-you-see-it-my-way-the-clinical-evaluation-of-adhd-by-the-different-pediatric-subspecialties
#20
Yael Leitner, Alexis Mitelpunkt, Idit Posner, Noa Vardi
BACKGROUND: Six medical disciplines are responsible for assessment, diagnosis and treatment of people with attention deficiency hyperactivity disorder (ADHD) in Israel: family doctors, pediatricians, adult and child neurologists, adult and child psychiatrists. OBJECTIVES: To investigate differences in ADHD diagnostic practices between three different pediatric subspecialties in the clinical setting in order to establish a common ground for a future unified approach...
November 2016: Israel Medical Association Journal: IMAJ
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