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https://www.readbyqxmd.com/read/28106669/translational-studies-identify-long-term-impact-of-prior-neonatal-pain-experience
#1
Suellen M Walker
Pain sensitivity and risk of chronic pain can be influenced by past experience. Childhood stress/adversity has been associated with chronic pain, mood disorders, and altered disease vulnerability decades later. As the rate of preterm birth and survival at earlier gestational ages increases, and advances in peri-operative care and surgery allow more complex surgical interventions to be performed in neonates, evaluation of treatment 'success' must extend beyond acute morbidity and mortality to encompass effects on subsequent neurodevelopmental outcome, and also sensory, cognitive and behavioral responses to pain in later life...
January 12, 2017: Pain
https://www.readbyqxmd.com/read/28106060/brain-microvasculature-defects-and-glut1-deficiency-syndrome-averted-by-early-repletion-of-the-glucose-transporter-1-protein
#2
Maoxue Tang, Guangping Gao, Carlos B Rueda, Hang Yu, David N Thibodeaux, Tomoyuki Awano, Kristin M Engelstad, Maria-Jose Sanchez-Quintero, Hong Yang, Fanghua Li, Huapeng Li, Qin Su, Kara E Shetler, Lynne Jones, Ryan Seo, Jonathan McConathy, Elizabeth M Hillman, Jeffrey L Noebels, Darryl C De Vivo, Umrao R Monani
Haploinsufficiency of the SLC2A1 gene and paucity of its translated product, the glucose transporter-1 (Glut1) protein, disrupt brain function and cause the neurodevelopmental disorder, Glut1 deficiency syndrome (Glut1 DS). There is little to suggest how reduced Glut1 causes cognitive dysfunction and no optimal treatment for Glut1 DS. We used model mice to demonstrate that low Glut1 protein arrests cerebral angiogenesis, resulting in a profound diminution of the brain microvasculature without compromising the blood-brain barrier...
January 20, 2017: Nature Communications
https://www.readbyqxmd.com/read/28104401/leading-causes-of-preterm-delivery-as-risk-factors-for-intraventricular-hemorrhage-in-very-preterm-infants-results-of-the-epipage-2-cohort-study
#3
Marie Chevallier, Thierry Debillon, Veronique Pierrat, Pierre Delorme, Gilles Kayem, Mélanie Durox, François Goffinet, Stephane Marret, Pierre Yves Ancel
BACKGROUND: Intraventricular hemorrhage is a major risk factor for neurodevelopmental disabilities in preterm infants. However, few studies have investigated how pregnancy complications responsible for preterm delivery are related to intraventricular hemorrhage. OBJECTIVE: To investigate the association between the main causes of preterm delivery and intraventricular hemorrhage in very preterm infants born in France during 2011 between 22 and 31 weeks of gestation...
January 16, 2017: American Journal of Obstetrics and Gynecology
https://www.readbyqxmd.com/read/28104388/the-nedd4-binding-protein-3-is-required-for-anterior-neural-development-in-xenopus-laevis
#4
Lena-Maria Kiem, Petra Dietmann, Alexander Linnemann, Michael J Schmeisser, Susanne J Kühl
The Fezzin family member Nedd4-binding protein 3 (N4BP3) is known to regulate axonal and dendritic branching. Here, we show that n4bp3 is expressed in the neural tissue of the early Xenopus laevis embryo including the eye, the brain and neural crest cells. Knockdown of N4bp3 in the Xenopus anterior neural tissue results in severe developmental impairment of the eye, the brain and neural crest derived cranial cartilage structures. Moreover, we demonstrate that N4bp3 depletion leads to a significant reduction of both eye and brain specific marker genes and reduced neural crest cell migration...
January 16, 2017: Developmental Biology
https://www.readbyqxmd.com/read/28101838/renal-consequences-of-preterm-birth
#5
REVIEW
Amelie Stritzke, Sumesh Thomas, Harish Amin, Christoph Fusch, Abhay Lodha
BACKGROUND: The developmental origin of health and disease concept identifies the brain, cardiovascular, liver, and kidney systems as targets of fetal adverse programming with adult consequences. As the limits of viability in premature infants have been pushed to lower gestational ages, the long-term impact of prematurity on kidneys still remains a significant burden during hospital stay and beyond. OBJECTIVES: The purpose of this study is to summarize available evidence, mechanisms, and short- and long-term renal consequences of prematurity and identify nephroprotective strategies and areas of uncertainty...
December 2017: Molecular and Cellular Pediatrics
https://www.readbyqxmd.com/read/28101530/integrative-analysis-of-disease-signatures-shows-inflammation-disrupts-juvenile-experience-dependent-cortical-plasticity
#6
Milo R Smith, Poromendro Burman, Masato Sadahiro, Brian A Kidd, Joel T Dudley, Hirofumi Morishita
Throughout childhood and adolescence, periods of heightened neuroplasticity are critical for the development of healthy brain function and behavior. Given the high prevalence of neurodevelopmental disorders, such as autism, identifying disruptors of developmental plasticity represents an essential step for developing strategies for prevention and intervention. Applying a novel computational approach that systematically assessed connections between 436 transcriptional signatures of disease and multiple signatures of neuroplasticity, we identified inflammation as a common pathological process central to a diverse set of diseases predicted to dysregulate plasticity signatures...
November 2016: ENeuro
https://www.readbyqxmd.com/read/28100316/optimizing-nutrition-of-the-preterm-infant
#7
William W Jr Hay
The goal of nutrition of the preterm infant is to meet the growth rate of the healthy fetus of the same gestational age and to produce the same body composition of the healthy fetus in terms of organ growth, tissue components, and cell number and structure. Nutritional quantity and quality are fundamental for normal growth and development of preterm infants, including neurodevelopmental outcomes. Failure to provide the necessary amounts of all of the essential nutrients has produced not only growth failure, but also increased morbidity and less than optimal neurodevelopment...
January 2017: Zhongguo Dang Dai Er Ke za Zhi, Chinese Journal of Contemporary Pediatrics
https://www.readbyqxmd.com/read/28098200/cullin-7-mediates-proteasomal-and-lysosomal-degradations-of-rat-eag1-potassium-channels
#8
Po-Hao Hsu, Yu-Ting Ma, Ya-Ching Fang, Jing-Jia Huang, Yu-Ling Gan, Pei-Tzu Chang, Guey-Mei Jow, Chih-Yung Tang, Chung-Jiuan Jeng
Mammalian Eag1 (Kv10.1) potassium (K(+)) channels are widely expressed in the brain. Several mutations in the gene encoding human Eag1 K(+) channel have been associated with congenital neurodevelopmental anomalies. Currently very little is known about the molecules mediating protein synthesis and degradation of Eag1 channels. Herein we aim to ascertain the protein degradation mechanism of rat Eag1 (rEag1). We identified cullin 7 (Cul7), a member of the cullin-based E3 ubiquitin ligase family, as a novel rEag1 binding partner...
January 18, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28097321/diagnostic-yield-and-novel-candidate-genes-by-exome-sequencing-in-152-consanguineous-families-with-neurodevelopmental-disorders
#9
Miriam S Reuter, Hasan Tawamie, Rebecca Buchert, Ola Hosny Gebril, Tawfiq Froukh, Christian Thiel, Steffen Uebe, Arif B Ekici, Mandy Krumbiegel, Christiane Zweier, Juliane Hoyer, Karolin Eberlein, Judith Bauer, Ute Scheller, Tim M Strom, Sabine Hoffjan, Ehab R Abdelraouf, Nagwa A Meguid, Ahmad Abboud, Mohammed Ayman Al Khateeb, Mahmoud Fakher, Saber Hamdan, Amina Ismael, Safia Muhammad, Ebtessam Abdallah, Heinrich Sticht, Dagmar Wieczorek, André Reis, Rami Abou Jamra
Importance: Autosomal recessive inherited neurodevelopmental disorders are highly heterogeneous, and many, possibly most, of the disease genes are still unknown. Objectives: To promote the identification of disease genes through confirmation of previously described genes and presentation of novel candidates and provide an overview of the diagnostic yield of exome sequencing in consanguineous families. Design, Setting, and Participants: Autozygosity mapping in families and exome sequencing of index patients were performed in 152 consanguineous families (the parents descended from a same ancestor) with at least 1 offspring with intellectual disability (ID)...
January 11, 2017: JAMA Psychiatry
https://www.readbyqxmd.com/read/28095733/decoding-crucial-lncrnas-implicated-in-neurogenesis-and-neurological-disorders
#10
R Ayana, Shailja Singh, Soumya Pati
Unraveling transcriptional heterogeneity and the labyrinthine nature of neurodevelopment can probe insights into neuropsychiatric disorders. It is noteworthy that adult neurogenesis is restricted to the Sub Ventricular and Sub Granular zones (SVZ/SGZ) of the brain. Recent studies suggest long non-coding RNAs (lncRNAs) as an avant-garde class of regulators implicated in neurodevelopment. But, paucity exists in the knowledge regarding lncRNAs in neurogenesis and their associations with neurodevelopmental defects...
January 17, 2017: Stem Cells and Development
https://www.readbyqxmd.com/read/28093569/translational-evaluation-of-translocator-protein-as-a-marker-of-neuroinflammation-in-schizophrenia
#11
T Notter, J M Coughlin, T Gschwind, U Weber-Stadlbauer, Y Wang, M Kassiou, A C Vernon, D Benke, M G Pomper, A Sawa, U Meyer
Positron emission tomography (PET) imaging with radiotracers that target translocator protein 18 kDa (TSPO) has become a popular approach to assess putative neuroinflammatory processes and associated microglia activation in psychotic illnesses. It remains unclear, however, whether TSPO imaging can accurately capture low-grade inflammatory processes such as those present in schizophrenia and related disorders. Therefore, we evaluated the validity of TSPO as a disease-relevant marker of inflammation using a translational approach, which combined neurodevelopmental and neurodegenerative mouse models with PET imaging in patients with recent-onset schizophrenia and matched controls...
January 17, 2017: Molecular Psychiatry
https://www.readbyqxmd.com/read/28092661/interactions-between-the-microbiota-immune-and-nervous-systems-in-health-and-disease
#12
REVIEW
Thomas C Fung, Christine A Olson, Elaine Y Hsiao
The diverse collection of microorganisms that inhabit the gastrointestinal tract, collectively called the gut microbiota, profoundly influences many aspects of host physiology, including nutrient metabolism, resistance to infection and immune system development. Studies investigating the gut-brain axis demonstrate a critical role for the gut microbiota in orchestrating brain development and behavior, and the immune system is emerging as an important regulator of these interactions. Intestinal microbes modulate the maturation and function of tissue-resident immune cells in the CNS...
January 16, 2017: Nature Neuroscience
https://www.readbyqxmd.com/read/28089652/hippocampal-prefrontal-connectivity-as-a-translational-phenotype-for-schizophrenia
#13
REVIEW
Florian Bähner, Andreas Meyer-Lindenberg
Finding novel biological targets in psychiatry has been difficult, partly because current diagnostic categories are not defined by pathophysiology and difficult to model in animals. The study of species-conserved systems-level mechanisms implicated in psychiatric disease could be a promising strategy to address some of these difficulties. Altered hippocampal-prefrontal (HC-PFC) connectivity during working memory (WM) processing is a candidate for such a translational phenotype as it has been repeatedly associated with impaired cognition in schizophrenia patients and animal models for psychiatric risk factors...
January 12, 2017: European Neuropsychopharmacology: the Journal of the European College of Neuropsychopharmacology
https://www.readbyqxmd.com/read/28081325/plasma-levels-of-serotonin-gastrointestinal-symptoms-and-sleep-problems-in-children-with-autism
#14
Sorayya Kheirouri, Parinaz Kalejahi, Seyyed Gholamreza Noorazar
BACKGROUND/AIM: Autism is a neurodevelopmental disorder identified with higher frequency of serotonin abnormalities and gastrointestinal (GI) and sleep problems. This study aimed to evaluate the plasma levels of serotonin, GI symptoms, and sleep problems, and their relationship with autism severity in children with autism. MATERIALS AND METHODS: Thirty-five children with autism and 31 healthy subjects were studied. GI problems, sleep disorders, and severity of disorder were assessed...
December 20, 2016: Turkish Journal of Medical Sciences
https://www.readbyqxmd.com/read/28078206/infectious-atopic-and-inflammatory-diseases-childhood-adversities-and-familial-aggregation-are-independently-associated-with-the-risk-for-mental-disorders-results-from-a-large-swiss-epidemiological-study
#15
Vladeta Ajdacic-Gross, Aleksandra Aleksandrowicz, Stephanie Rodgers, Margot Mutsch, Anja Tesic, Mario Müller, Wolfram Kawohl, Wulf Rössler, Erich Seifritz, Enrique Castelao, Marie-Pierre F Strippoli, Caroline Vandeleur, Roland von Känel, Rosa Paolicelli, Markus A Landolt, Cornelia Witthauer, Roselind Lieb, Martin Preisig
AIM: To examine the associations between mental disorders and infectious, atopic, inflammatory diseases while adjusting for other risk factors. METHODS: We used data from PsyCoLaus, a large Swiss Population Cohort Study (n = 3720; age range 35-66). Lifetime diagnoses of mental disorders were grouped into the following categories: Neurodevelopmental, anxiety (early and late onset), mood and substance disorders. They were regressed on infectious, atopic and other inflammatory diseases adjusting for sex, educational level, familial aggregation, childhood adversities and traumatic experiences in childhood...
December 22, 2016: World Journal of Psychiatry
https://www.readbyqxmd.com/read/28077516/early-onset-invasive-candidiasis-in-extremely-low-birth-weight-infants-perinatal-acquisition-predicts-poor-outcome
#16
Michelle Barton, Alex Shen, Karel O'Brien, Joan L Robinson, H Dele Davies, Kim Simpson, Elizabeth Asztalos, Joanne Langley, Nicole Le Saux, Reginald Sauve, Anne Synnes, Ben Tan, Louis de Repentigny, Earl Rubin, Chuck Hui, Lajos Kovacs, Yvonne Cw Yau, Susan E Richardson
BACKGROUND: Neonatal invasive candidiasis (IC)presenting in the first week of life is less common and less well described than later onset IC. Risk factors, clinical features and disease outcomeshave not been studied in early onset disease (EOD, ≤7d) or compared to late onset disease (LOD, >7d). METHODS: All extremely low birth weight (ELBW, <1000g) cases with IC and controls froma multicentre study of neonatal candidiasisenrolledfrom 2001 to 2003were included in this study...
January 11, 2017: Clinical Infectious Diseases: An Official Publication of the Infectious Diseases Society of America
https://www.readbyqxmd.com/read/28072448/identification-of-altered-brain-metabolites-associated-with-tnap-activity-in-a-mouse-model-of-hypophosphatasia-using-untargeted-nmr-based-metabolomics-analysis
#17
Thomas Cruz, Marie Gleizes, Stéphane Balayssac, Etienne Mornet, Grégory Marsal, José Luis Millán, Myriam Malet-Martino, Lionel G Nowak, Véronique Gilard, Caroline Fonta
Tissue Nonspecific Alkaline Phosphatase (TNAP) is a key player of bone mineralization and TNAP gene (ALPL) mutations in human are responsible for hypophosphatasia (HPP), a rare heritable disease affecting the mineralization of bones and teeth. Moreover, TNAP is also expressed by brain cells and the severe forms of HPP are associated with neurological disorders, including epilepsy and brain morphological anomalies. However TNAP's role in the nervous system remains poorly understood. In order to investigate its neuronal functions, we aimed to identify without any a priori the metabolites regulated by TNAP in the nervous tissue...
January 10, 2017: Journal of Neurochemistry
https://www.readbyqxmd.com/read/28069353/effects-of-chronic-exposure-to-low-dose-thip-on-brainstem-neuronal-excitability-in-mouse-models-of-rett-syndrome-evidence-from-symptomatic-females
#18
Weiwei Zhong, Christopher Mychal Johnson, Ningren Cui, Hao Xing, Yang Wu, Chun Jiang
Rett Syndrome (RTT) is a neurodevelopmental disorder caused by mutations of the MECP2 gene, affecting predominantly females. One of the characteristic features of the disease is defective brainstem autonomic function. In Mecp2(-/Y) mice, several groups of brainstem neurons are overly excitable, which causes destabilization of neuronal networks for the autonomic control. We have previously shown that the extrasynaptic GABAA receptor agonist THIP relieves many RTT-like symptoms in Mecp2(-/Y) mice. Although neuronal activity is inhibited by acute THIP exposure, how a chronic treatment affects neuronal excitability remains elusive...
January 6, 2017: Neuropharmacology
https://www.readbyqxmd.com/read/28067688/perioperative-near-infrared-spectroscopy-monitoring-in-neonates-with-congenital-heart-disease-relationship-of-cerebral-tissue-oxygenation-index-variability-with-neurodevelopmental-outcome
#19
Michael C Spaeder, Darren Klugman, Kami Skurow-Todd, Penny Glass, Richard A Jonas, Mary T Donofrio
OBJECTIVES: To evaluate the value of perioperative cerebral near-infrared spectroscopy monitoring using variability analysis in the prediction of neurodevelopmental outcomes in neonates undergoing surgery for congenital heart disease. DESIGN: Retrospective cohort study. SETTING: Urban, academic, tertiary-care children's hospital. PATIENTS: Neonates undergoing surgery with cardiopulmonary bypass for congenital heart disease...
January 6, 2017: Pediatric Critical Care Medicine
https://www.readbyqxmd.com/read/28065648/taok2-kinase-mediates-psd95-stability-and-dendritic-spine-maturation-through-septin7-phosphorylation
#20
Smita Yadav, Juan A Oses-Prieto, Christian J Peters, Jing Zhou, Samuel J Pleasure, Alma L Burlingame, Lily Y Jan, Yuh-Nung Jan
Abnormalities in dendritic spines are manifestations of several neurodevelopmental and psychiatric diseases. TAOK2 is one of the genes in the 16p11.2 locus, copy number variations of which are associated with autism and schizophrenia. Here, we show that the kinase activity of the serine/threonine kinase encoded by TAOK2 is required for spine maturation. TAOK2 depletion results in unstable dendritic protrusions, mislocalized shaft-synapses, and loss of compartmentalization of NMDA receptor-mediated calcium influx...
January 18, 2017: Neuron
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