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https://www.readbyqxmd.com/read/28814550/changing-neurodevelopment-at-8-years-in-children-born-extremely-preterm-since-the-1990s
#1
Jeanie L Y Cheong, Peter J Anderson, Alice C Burnett, Gehan Roberts, Noni Davis, Leah Hickey, Elizabeth Carse, Lex W Doyle
BACKGROUND AND OBJECTIVE: Survival of extremely preterm (EP; <28 weeks' gestation) infants has increased over the last 2 decades. Equivalent reductions in developmental morbidity in early childhood have not been consistently reported. The aim of this study was to determine trends in neurodevelopmental outcomes at 8 years of age of children born EP (22-27 completed weeks' gestation) over the past 2 decades. METHODS: Population-based cohorts of all EP survivors born in the state of Victoria, Australia in 1991-1992, 1997, and 2005 were recruited at birth...
June 2017: Pediatrics
https://www.readbyqxmd.com/read/28799918/developmental-pbde-exposure-and-iq-adhd-in-childhood-a-systematic-review-and-meta-analysis
#2
REVIEW
Juleen Lam, Bruce P Lanphear, David Bellinger, Daniel A Axelrad, Jennifer McPartland, Patrice Sutton, Lisette Davidson, Natalyn Daniels, Saunak Sen, Tracey J Woodruff
BACKGROUND: In the United States, one in six children are affected by neurodevelopmental disorders, and polybrominated diphenyl ethers (PBDEs) in flame-retardant chemicals are measured ubiquitously in children. OBJECTIVE: We conducted a systematic a systematic review regarding developmental exposure to PBDEs and intelligence or Attention Deficit/Hyperactivity Disorder (ADHD) and attention-related behavioral conditions in humans. METHODS: We searched articles published up to 26 September 2016, and included original studies that quantified exposures to PBDEs incurred any time in proximity to conception or during in utero, perinatal, or childhood time periods...
August 3, 2017: Environmental Health Perspectives
https://www.readbyqxmd.com/read/28796950/age-related-differences-in-neuropsychological-assessment-of-fetal-alcohol-spectrum-disorder-a-cross-sectional-study
#3
Nicole Taylor, Leah Enns
This cross-sectional study examined six key areas of neuropsychological functioning (cognitive, academic, attention, executive function, adaptive skills) comparing adolescents and school-age children with prenatal alcohol exposure (PAE). The aims were: (1) to examine which neuropsychological measures were predictive of an FASD diagnosis in adolescents and school-age children with PAE, and (2) to compare the neuropsychological performance of adolescents and children diagnosed with FASD. Hierarchical logistic regressions determined that the Full-Scale IQ, Verbal Comprehension and Perceptual Reasoning indices, basic reading and math skills, adaptive functioning at school, and components of executive functioning (dependent on age) improved the probability of an accurate FASD diagnosis in both groups: 9...
August 10, 2017: Biochemistry and Cell Biology, Biochimie et Biologie Cellulaire
https://www.readbyqxmd.com/read/28792113/the-role-of-a-family-history-of-psychosis-for-youth-at-clinical-high-risk-of-psychosis
#4
Grace Georgopoulos, Jacqueline Stowkowy, Lu Liu, Kristin S Cadenhead, Tyrone D Cannon, Barbara A Cornblatt, Thomas H McGlashan, Diana O Perkins, Larry J Seidman, Ming T Tsuang, Elaine F Walker, Scott W Woods, Carrie E Bearden, Daniel H Mathalon, Jean Addington
AIM: On average, there is a 10% to 12% likelihood of developing a psychotic disorder solely based on being at familial high risk. However, the introduction of the criteria for clinical high risk (CHR) of psychosis suggested for CHR individuals, 20% to 30% will go on to develop a full-blown psychotic illness within 3 years. Several studies suggest a role for family history in conversion to psychosis among those at CHR. However, we know very little about those who meet the CHR criteria and have a positive family history for psychosis compared to those at CHR with no known family history...
August 9, 2017: Early Intervention in Psychiatry
https://www.readbyqxmd.com/read/28769544/personality-characteristics-and-neurocognitive-functions-in-parents-of-children-with-autism-spectrum-disorder
#5
Xiaojing Li, Qiang Wang, Yuejing Wu, Sherrie Wang, Yi Huang, Tao Li
BACKGROUND: The increasing prevalence of autism spectrum disorder in children and the huge family burdens have caused concern in the academic field as well as society. AIM: To study the personality characteristics and neurocognitive functions in the Chinese parents of children with autism spectrum disorder (ASD) and compare them with the parents of well-developed children. METHOD: This study recruited 41 Chinese children who met the diagnostic criteria of autism spectrum disorder according to Diagnostic and Statistical Manual of mental disorders-IV (DSM-IV)...
February 25, 2017: Shanghai Archives of Psychiatry
https://www.readbyqxmd.com/read/28764646/a-randomized-double-blind-placebo-controlled-trial-of-ganaxolone-in-children-and-adolescents-with-fragile-x-syndrome
#6
Andrew Ligsay, Anke Van Dijck, Danh V Nguyen, Reymundo Lozano, Yanjun Chen, Erika S Bickel, David Hessl, Andrea Schneider, Kathleen Angkustsiri, Flora Tassone, Berten Ceulemans, R Frank Kooy, Randi J Hagerman
BACKGROUND: Gamma-aminobutyric acid (GABA) system deficits are integral to the pathophysiologic development of fragile X syndrome (FXS). Ganaxolone, a GABAA receptor positive allosteric modulator, is hypothesized to improve symptoms such as anxiety, hyperactivity, and attention deficits in children with FXS. METHODS: This study was a randomized, double-blind, placebo-controlled, crossover trial of ganaxolone in children with FXS, aged 6-17 years. RESULTS: Sixty-one participants were assessed for eligibility, and 59 were randomized to the study...
August 2, 2017: Journal of Neurodevelopmental Disorders
https://www.readbyqxmd.com/read/28758270/prescription-drug-use-during-pregnancy-in-france-a-study-from-the-national-health-insurance-permanent-sample
#7
Romain Demailly, Sylvie Escolano, Catherine Quantin, Pascale Tubert-Bitter, Ismaïl Ahmed
PURPOSE: To provide an up-to-date account of drug prescription during pregnancy in France from 2011 to 2014 using the permanent sample of the French national computerized healthcare database and with a focus on recommended supplementations, fetotoxic drugs and teratogenic drugs. METHODS: All pregnancies identified by the International Classification of Diseases, 10th Revision codes list in the hospitalization database, lasting more than 9 weeks of amenorrhea and whose delivery occurred between 01/01/2011 and 12/31/2014, were included...
July 30, 2017: Pharmacoepidemiology and Drug Safety
https://www.readbyqxmd.com/read/28754500/maternal-prenatal-blood-mercury-is-not-adversely-associated-with-offspring-iq-at-8-years-provided-the-mother-eats-fish-a-british-prebirth-cohort-study
#8
Jean Golding, Joseph R Hibbeln, Steven M Gregory, Yasmin Iles-Caven, Alan Emond, Caroline M Taylor
BACKGROUND: Conflicting evidence concerning possible harm from mercury (Hg) in regard to offspring cognition if the woman eats fish has prompted this study to examine evidence from a British pre-birth cohort to investigate the relationship between the two. METHODS: Pregnant women (median prenatal blood mercury 1.86μg/L) resident in the study area with delivery between April 1991 and December 1992 were followed up and verbal, performance and total intelligence quotient (IQ) of 2062 offspring were measured at age 8...
July 17, 2017: International Journal of Hygiene and Environmental Health
https://www.readbyqxmd.com/read/28751795/gender-moderates-association-between-emotional-behavioral-problems-and-text-comprehension-in-children-with-both-reading-difficulties-and-adhd
#9
Quintino R Mano, Kristen E Jastrowski Mano, Carolyn A Denton, Jeffery N Epstein, Leanne Tamm
Evidence suggests that higher order linguistic functioning such as text comprehension is particularly vulnerable to emotional modulation. Gender has been identified as an important moderating variable in emotional expression such that girls tend toward internalizing emotions (e.g., sadness, anxiety) whereas boys tend toward externalizing emotions (e.g., anger, combativeness), which may influence the relationship between emotion and text comprehension. The present study examined whether gender moderates the relationship between emotional-behavioral problems and text comprehension among children (n = 187; boys= 115, girls = 72) with both word reading difficulties (RD) and attention-deficit/hyperactivity disorder (ADHD), a sample widely acknowledged to be at increased risk for developing emotional-behavioral problems such as anxiety, poor academic self-concept, and delinquency...
May 2017: Psychology in the Schools
https://www.readbyqxmd.com/read/28745092/impact-of-xylose-on-glucose-dehydrogenase-based-blood-glucose-meters-for-patient-self-testing
#10
Andreas Pfützner, Filiz Demircik, Daniela Sachsenheimer, Jan Spatz, Anke H Pfützner, Sanja Ramljak
The pentose xylose is enriched in edible algae, and is increasingly used as a slowly metabolized carbohydrate in functional food. It is known to interfere with glucose-dehydrogenase-based (GDH) blood glucose measurement systems for patients self-testing. The aim of our study was to investigate the extent of xylose interference in commercially available blood glucose meters. A heparinized whole blood sample was manipulated to contain 3 different glucose concentrations (50-80 mg/dL, 130-160 mg/dL, and 250-300 mg/dL) and 4 different xylose concentrations (0 mg/dL, 25 mg/dL, 50 mg/dL, and 100 mg/dL)...
May 2017: Journal of Diabetes Science and Technology
https://www.readbyqxmd.com/read/28744969/abnormal-functional-activation-and-maturation-of-ventromedial-prefrontal-cortex-and-cerebellum-during-temporal-discounting-in-autism-spectrum-disorder
#11
Clodagh M Murphy, Anastasia Christakou, Vincent Giampietro, Michael Brammer, Eileen M Daly, Christine Ecker, Patrick Johnston, Debbie Spain, Dene M Robertson, Declan G Murphy, Katya Rubia
People with autism spectrum disorder (ASD) have poor decision-making and temporal foresight. This may adversely impact on their everyday life, mental health, and productivity. However, the neural substrates underlying poor choice behavior in people with ASD, or its' neurofunctional development from childhood to adulthood, are unknown. Despite evidence of atypical structural brain development in ASD, investigation of functional brain maturation in people with ASD is lacking. This cross-sectional developmental fMRI study investigated the neural substrates underlying performance on a temporal discounting (TD) task in 38 healthy (11-35 years old) male adolescents and adults with ASD and 40 age, sex, and IQ-matched typically developing healthy controls...
July 26, 2017: Human Brain Mapping
https://www.readbyqxmd.com/read/28744252/deficits-in-approximate-number-system-acuity-and-mathematical-abilities-in-6-5-year-old-children-born-extremely-preterm
#12
Melissa E Libertus, Lea Forsman, Ulrika Adén, Kerstin Hellgren
Preterm children are at increased risk for poor academic achievement, especially in math. In the present study, we examined whether preterm children differ from term-born children in their intuitive sense of number that relies on an unlearned, approximate number system (ANS) and whether there is a link between preterm children's ANS acuity and their math abilities. To this end, 6.5-year-old extremely preterm (i.e., <27 weeks gestation, n = 82) and term-born children (n = 89) completed a non-symbolic number comparison (ANS acuity) task and a standardized math test...
2017: Frontiers in Psychology
https://www.readbyqxmd.com/read/28741714/abnormal-fronto-parietal-white-matter-organisation-in-the-superior-longitudinal-fasciculus-branches-in-autism-spectrum-disorders
#13
Jacqueline Fitzgerald, Alexander Leemans, Elizabeth Kehoe, Erik O'Hanlon, Louise Gallagher, Jane McGrath
Core features of ASD may be underpinned by disrupted functional and structural neural connectivity. Abnormal fronto-parietal functional connectivity has been widely reported in the literature; this may be underpinned by disrupted microstructural organisation of white matter. The Superior Longitudinal Fasciculus (SLF) is a major fronto-parietal white matter tract, the structure of which has been little studied in ASD. The fronto-parietal projections of this tract (SLF I, II and III) are thought to play an important role in a number of cognitive functions including attention and visuospatial processing...
July 25, 2017: European Journal of Neuroscience
https://www.readbyqxmd.com/read/28739799/lgr5-receptor-promotes-cell-cell-adhesion-in-stem-cells-and-colon-cancer-cells-via-the-iqgap1-rac1-pathway
#14
Kendra S Carmon, Xing Gong, Jing Yi, Ling Wu, Anthony Thomas, Catherine M Moore, Ikuo Masuho, David J Timson, Kirill A Martemyanov, Qingyun J Liu
Leucine rich repeat containing G protein coupled receptor 5 (LGR5) is a bona fide marker of adult stem cells in several epithelial tissues, most notably in the intestinal crypts and is highly upregulated in many colorectal, hepatocellular, and ovarian cancers. LGR5 activation by R-spondin (RSPO) ligands potentiates Wnt/β-catenin signaling in vitro, yet deletion of LGR5 in stem cells has little or no effect on Wnt/β-catenin signaling or cell proliferation in vivo. Remarkably, modulation of LGR5 expression has a major impact on the actin cytoskeletal structure and cell adhesion in the absence of RSPO stimulation, but the molecular mechanism is unclear...
July 24, 2017: Journal of Biological Chemistry
https://www.readbyqxmd.com/read/28735695/variation-in-the-early-trajectories-of-autism-symptoms-is-related-to-the-development-of-language-cognition-and-behavior-problems
#15
Janne C Visser, Nanda N J Rommelse, Martijn Lappenschaar, Iris J Servatius-Oosterling, Corina U Greven, Jan K Buitelaar
OBJECTIVE: The objectives of this study were to model more homogeneous subgroups within autism spectrum disorder (ASD) based on early trajectories of core symptoms; and to further characterize these subgroups in terms of trajectories of language, cognition, co-occurring (attention-deficit/hyperactivity disorder [ADHD]-related) traits and clinical outcome diagnosis. METHOD: Children (N = 203) referred for possible ASD at ages 1 to 4 years were assessed at three time points at intervals ranging from 9 months to 3 years...
August 2017: Journal of the American Academy of Child and Adolescent Psychiatry
https://www.readbyqxmd.com/read/28735586/cognitive-development-prior-to-onset-of-psychosis
#16
J Mollon, A Reichenberg
Schizophrenia patients commonly exhibit substantial and diffuse cognitive impairment. Evidence suggests that subtle cognitive deficits are already apparent in childhood and adolescence, many years prior to onset of psychosis. While there is almost unequivocal evidence of some degree of cognitive impairment in individuals who later develop schizophrenia, the literature remains inconclusive regarding the exact nature of this impairment and warrants careful review and interpretation. Meta-analytic findings suggest that individuals who later develop schizophrenia, but not related disorders, such as bipolar disorder, exhibit a premorbid IQ deficit of around 8 points...
July 24, 2017: Psychological Medicine
https://www.readbyqxmd.com/read/28735268/early-surgery-and-neurodevelopmental-outcomes-of-children-born-extremely-preterm
#17
Rodney W Hunt, Leah M Hickey, Alice C Burnett, Peter J Anderson, Jeanie Ling Yoong Cheong, Lex W Doyle, Rodney W Hunt
OBJECTIVES: To (1) compare the neurodevelopmental outcomes at 8 years of age of children born extremely preterm (EP) who underwent surgical procedures during the course of their initial hospital admission with those who did not and (2) compare the outcomes across eras, from 1991 to 2005. DESIGN: Prospective observational cohort studies conducted over three different eras (1991-1992, 1997 and 2005). Surviving EP children, who required surgical intervention during the primary hospitalisation, were assessed for general intelligence (IQ) and neurosensory status at 8 years of age...
July 22, 2017: Archives of Disease in Childhood. Fetal and Neonatal Edition
https://www.readbyqxmd.com/read/28734254/childhood-polybrominated-diphenyl-ether-pbde-exposure-and-neurobehavior-in-children-at-8-years
#18
Ann M Vuong, Kimberly Yolton, Changchun Xie, Glenys M Webster, Andreas Sjödin, Joseph M Braun, Kim N Dietrich, Bruce P Lanphear, Aimin Chen
BACKGROUND: Prenatal polybrominated diphenyl ether (PBDE) exposure has been associated with decrements in IQ and increased attention deficit/hyperactivity disorder related behaviors in children; however, data are limited for the role of postnatal exposures. OBJECTIVES: We investigated the association between a series of childhood PBDE concentrations and Full-Scale Intelligence Quotient (FSIQ) and externalizing problems at 8 years. METHODS: We used data from 208 children in the Health Outcomes and Measures of the Environment (HOME) Study, a prospective pregnancy and birth cohort...
July 19, 2017: Environmental Research
https://www.readbyqxmd.com/read/28726062/valproic-acid-in-women-and-girls-of-childbearing-age
#19
REVIEW
Dorothy Gotlib, Rachel Ramaswamy, Jacob E Kurlander, Alana DeRiggi, Michelle Riba
PURPOSE OF REVIEW: The aim of this paper is to evaluate recent literature on valproic acid (VPA) in women and girls of childbearing age and to emphasize new findings. RECENT FINDINGS: Recent research confirms VPAs teratogenicity and risk of hormone disruption. VPA exposure in utero increases the risk for a variety of major congenital malformations (MCMs), reduced IQ and behavioral problems. In girls and women, VPA increases the risk of hormone abnormalities, obesity, and polycystic ovarian syndrome (PCOS)...
September 2017: Current Psychiatry Reports
https://www.readbyqxmd.com/read/28720574/fructose-1-6-bisphosphatase-inhibits-erk-activation-and-bypasses-gemcitabine-resistance-in-pancreatic-cancer-by-blocking-iqgap1-mapk-interaction
#20
Xin Jin, Yunqian Pan, Liguo Wang, Tao Ma, Lizhi Zhang, Amy H Tang, Daniel D Billadeau, Heshui Wu, Haojie Huang
Dysregulation of the MAPK pathway correlates with progression of pancreatic ductal adenocarcinoma (PDAC) progression. IQ motif containing GTPase-activating protein 1 (IQGAP1) is a MAPK scaffold that directly regulates the activation of RAF, MEK, and ERK. Fructose-1,6-bisphosphatase (FBP1), a key enzyme in gluconeogenesis, is transcriptionally downregulated in various cancers, including PDAC. Here, we demonstrate that FBP1 acts as a negative modulator of the IQGAP1-MAPK signaling axis in PDAC cells. FBP1 binding to the WW domain of IQGAP1 impeded IQGAP1-dependent ERK1/2 phosphorylation (pERK1/2) in a manner independent of FBP1 enzymatic activity...
August 15, 2017: Cancer Research
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