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https://www.readbyqxmd.com/read/28742722/attention-deficit-hyperactivity-disorder-and-functional-defecation-disorders-in-children
#1
Sophie Kuizenga-Wessel, Ilan J N Koppen, Mana H Vriesman, Carlo Di Lorenzo, Marieke van Dijk, Maureen L R Beelen, Michael Groeneweg, Reino J Stoffelsen, Marc A Benninga
OBJECTIVES: To assess the prevalence of attention deficit hyperactivity disorder (ADHD) in children presenting with functional defecation disorders (FDDs) and to assess the prevalence of FDDs in children with ADHD. METHODS: A cross-sectional cohort study was carried out between September 2014 and May 2016. Group 1: Parents of children with FDDs according to the Rome III criteria completed the Child Behavior Checklist (CBCL) and the VvGK (Dutch questionnaire based on the American Disruptive Behavior Disorder rating scale)...
July 22, 2017: Journal of Pediatric Gastroenterology and Nutrition
https://www.readbyqxmd.com/read/28742068/a-peptide-based-viral-inactivator-inhibits-zika-virus-infection-in-pregnant-mice-and-fetuses
#2
Yufeng Yu, Yong-Qiang Deng, Peng Zou, Qian Wang, Yanyan Dai, Fei Yu, Lanying Du, Na-Na Zhang, Min Tian, Jia-Nan Hao, Yu Meng, Yuan Li, Xiaohui Zhou, Jasper Fuk-Woo Chan, Kwok-Yung Yuen, Cheng-Feng Qin, Shibo Jiang, Lu Lu
Zika virus (ZIKV), a re-emerging flavivirus associated with neurological disorders, has spread rapidly to more than 70 countries and territories. However, no specific vaccines or antiviral drugs are currently available to prevent or treat ZIKV infection. Here we report that a synthetic peptide derived from the stem region of ZIKV envelope protein, designated Z2, potently inhibits infection of ZIKV and other flaviviruses in vitro. We show that Z2 interacts with ZIKV surface protein and disrupts the integrity of the viral membrane...
July 25, 2017: Nature Communications
https://www.readbyqxmd.com/read/28741757/equivalent-missense-variant-in-the-foxp2-and-foxp1-transcription-factors-causes-distinct-neurodevelopmental-disorders
#3
Elliot Sollis, Pelagia Deriziotis, Hirotomo Saitsu, Noriko Miyake, Naomichi Matsumoto, Mariette J V Hoffer, Claudia A L Ruivenkamp, Mariëlle Alders, Nobuhiko Okamoto, Emilia K Bijlsma, Astrid S Plomp, Simon E Fisher
The closely related paralogues FOXP2 and FOXP1 encode transcription factors with shared functions in the development of many tissues, including the brain. However, while mutations in FOXP2 lead to a speech/language disorder characterized by childhood apraxia of speech (CAS), the clinical profile of FOXP1 variants includes a broader neurodevelopmental phenotype with global developmental delay, intellectual disability and speech/language impairment. Using clinical whole-exome sequencing, we report an identical de novo missense FOXP1 variant identified in three unrelated patients...
July 25, 2017: Human Mutation
https://www.readbyqxmd.com/read/28741714/abnormal-fronto-parietal-white-matter-organisation-in-the-superior-longitudinal-fasciculus-branches-in-autism-spectrum-disorders
#4
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/28741031/inhibition-of-serotonin-transporters-disrupts-the-enhancement-of-fear-memory-extinction-by-3-4-methylenedioxymethamphetamine-mdma
#5
Matthew B Young, Seth D Norrholm, Lara M Khoury, Tanja Jovanovic, Sheila A M Rauch, Collin M Reiff, Boadie W Dunlop, Barbara O Rothbaum, Leonard L Howell
RATIONALE: 3,4-Methylenedioxymethamphetamine (MDMA) persistently improves symptoms of post-traumatic stress disorder (PTSD) when combined with psychotherapy. Studies in rodents suggest that these effects can be attributed to enhancement of fear memory extinction. Therefore, MDMA may improve the effects of exposure-based therapy for PTSD, particularly in treatment-resistant patients. However, given MDMA's broad pharmacological profile, further investigation is warranted before moving to a complex clinical population...
July 24, 2017: Psychopharmacology
https://www.readbyqxmd.com/read/28740567/pathophysiology-of-the-underactive-bladder-evolving-new-concepts
#6
Phillip P Smith
PURPOSE OF REVIEW: Underactive Bladder (UAB) is an emerging concept of voiding dysfunction, building on a tradition of often overlapping and confusing terminologies describing the patient experience, urodynamic function, and pathophysiology. This confusion of symptoms with function with pathology has hampered development of an effective disease model. RECENT FINDINGS: As with other urinary symptoms, the relationship of voiding symptoms to urodynamic dysfunction is variable...
March 2017: Current Bladder Dysfunction Reports
https://www.readbyqxmd.com/read/28739662/disruptive-technology-disorder-a-past-present-and-future-neurologic-syndrome
#7
Donald F Weaver
Based upon an analysis of 6 major historical technological advances over the last 150 years, a new syndrome, disruptive technology disorder (DTD), is introduced. DTD describes the human health ailments that accompany the implementation of disruptive technologies. Elevator sickness, railway spine, and bicycle face are representative examples. Though the underlying causative disruptive technologies may differ, many neurologic symptoms (headache, dizziness, weakness) are common to multiple DTDs. Born of technology-driven societal change, DTDs manifest as a complex interplay between biological and psychological symptoms...
July 25, 2017: Neurology
https://www.readbyqxmd.com/read/28738834/the-value-of-99m-tc-methylene-diphosphonate-single-photon-emission-computed-tomography-computed-tomography-in-diagnosis-of-fibrous-dysplasia
#8
Linqi Zhang, Qiao He, Wei Li, Rusen Zhang
BACKGROUND: Fibrous dysplasia (FD) is a rare benign bone disorder in which the normal bone is replaced by immature fibro-osseous tissue. However, some case reports have reported that FD showed significantly increased (99m)Tc-methylene diphosphonate ((99m)Tc-MDP) uptake on whole-body bone scintigraphy (WBS), which may mimic bone metastasis or skeletal involvement of the patients with known cancer. Thus, the purpose of present study is to observe the reliable characteristics and usefulness of single photon emission computed tomography/computed tomography (SPECT/CT) for the diagnosis of FD...
July 24, 2017: BMC Medical Imaging
https://www.readbyqxmd.com/read/28738353/inflammation-effects-on-glutamate-as-a-pathway-to-neuroprogression-in-mood-disorders
#9
Ebrahim Haroon, Andrew H Miller
Neuroprogression is a term used to describe worsening psychopathology, poor treatment response, and declining cognitive and functional outcomes among patients with chronic mental disorders. Chronic inflammatory activation and glutamate-mediated excitotoxicity are two key etiological factors implicated in the development of neuroprogression. In this chapter, we hypothesize that the association between chronic inflammatory activation, neuroprogression, and glutamate dysregulation might be mediated by glial dysfunction...
2017: Modern Trends in Pharmacopsychiatry
https://www.readbyqxmd.com/read/28738336/innate-immune-memory-implications-for-microglial-function-and-neuroprogression
#10
Alex P Salam, Carmine M Pariante, Patricia Zunszain
Immunostimulatory insults such as stress and infection are risk factors for the development of several neuropsychiatric disorders characterized by neuroprogression. Inflammatory and neurotoxic molecules in the brain can cause disruptions in neurogenesis, neuronal excitability, synaptic transmission, synaptic plasticity, and neuronal survival - changes that characterize neuroprogression. We draw on recent findings in the immunology literature that peripheral innate immune cells are capable of retaining long-term memory of infectious insults and displaying long-lasting upregulated proinflammatory function in response to repeated infectious insults - a concept known as "innate immune memory...
2017: Modern Trends in Pharmacopsychiatry
https://www.readbyqxmd.com/read/28737503/directional-connectivity-in-the-eeg-is-able-to-discriminate-wakefulness-from-nrem-sleep
#11
Giulia Lioi, Steven L Bell, David C Smith, David M Simpson
A reliable measure of consciousness is of great interest for various clinical applications including sleep studies and the assessment of depth of anaesthesia. A number of measures of consciousness based on the EEG have been proposed in the literature and tested in studies of dreamless sleep, general anaesthesia and disorders of consciousness. However, reliability has remained a persistent challenge. Despite considerable theoretical and experimental effort, the neural mechanisms underlying consciousness remain unclear, but connectivity between brain regions is thought to be disrupted, impairing information flow...
July 24, 2017: Physiological Measurement
https://www.readbyqxmd.com/read/28736755/risky-decision-making-in-neurofibromatosis-type-1-an-exploratory-study
#12
Rachel K Jonas, EunJi Roh, Caroline A Montojo, Laura A Pacheco, Tena Rosser, Alcino J Silva, Carrie E Bearden
BACKGROUND: Neurofibromatosis type 1 (NF1) is a monogenic disorder affecting cognitive function. About one third of children with NF1 have attentional disorders, and the cognitive phenotype is characterized by impairment in prefrontally-mediated functions. Mouse models of NF1 show irregularities in GABA release and striatal dopamine metabolism. We hypothesized that youth with NF1 would show abnormal behavior and neural activity on a task of risk-taking reliant on prefrontal-striatal circuits...
March 2017: Biological Psychiatry: Cognitive Neuroscience and Neuroimaging
https://www.readbyqxmd.com/read/28736206/bpag1-in-muscles-structure-and-function-in-skeletal-cardiac-and-smooth-muscle
#13
REVIEW
Masao Horie, Nozomu Yoshioka, Hirohide Takebayashi
BPAG1, also known as Dystonin or BP230, belongs to the plakin family of proteins, which has multiple cytoskeleton-binding domains. Several BPAG1 isoforms are produced by a single BPAG1 genomic locus using different promoters and exons. For example, BPAG1a, BPAG1b, and BPAG1e are predominantly expressed in the nervous system, muscle, and skin, respectively. Among BPAG1 isoforms, BPAG1e is well studied because it was first identified as an autoantigen in patients with bullous pemphigoid, an autoimmune skin disease...
July 20, 2017: Seminars in Cell & Developmental Biology
https://www.readbyqxmd.com/read/28736115/three-dimensional-volumetric-changes-in-the-upper-airway-after-maxillomandibular-advancement-in-obstructive-sleep-apnoea-patients-and-the-impact-on-quality-of-life
#14
B Veys, L Pottel, W Mollemans, J Abeloos, G Swennen, N Neyt
Obstructive sleep apnoea (OSA) is a sleep-related breathing disorder, characterized by repetitive airway obstructions, causing disruptive snoring and daytime sleepiness. Maxillomandibular advancement (MMA), which enlarges the upper airway, is a therapeutic surgical approach. However, no study has performed an upper airway sub-region analysis using validated three-dimensional (3D) anatomical and technical limits on cone beam computed tomography (CBCT). Hence, this prospective, observational trial was performed to evaluate 3D volumetric changes in the upper airway according to validated 3D cephalometric landmarks, before and after MMA, for all patients with a polysomnography diagnosis of OSA (apnoea-hypopnoea index (AHI) ≥5)...
July 20, 2017: International Journal of Oral and Maxillofacial Surgery
https://www.readbyqxmd.com/read/28736033/acid-sensing-t-cell-death-associated-gene-8-receptor-expression-in-panic-disorder
#15
Jeffrey R Strawn, Lauren L Vollmer, Katherine M J McMurray, Jeffrey A Mills, Sarah A Mossman, Sara T Varney, Heidi K Schroeder, Renu Sah
BACKGROUND: While disruption of acid-base homeostasis has been pathoetiologically implicated in panic disorder (PD), the mechanism by which pH imbalance is translated to panic pathophysiology is poorly understood. Recently, in a translational rodent model of PD, we reported a role of microglial acid sensing G-protein coupled receptor, T cell death associated gene-8 (TDAG8) in panic-associated behavior and physiology. However, the clinical validity of the TDAG8 receptor has not been investigated...
July 20, 2017: Brain, Behavior, and Immunity
https://www.readbyqxmd.com/read/28735779/a-systematic-review-of-variables-associated-with-sleep-paralysis
#16
REVIEW
Dan Denis, Christopher C French, Alice M Gregory
Sleep paralysis is a relatively common but under-researched phenomenon. While the causes are unknown, a number of studies have investigated potential risk factors. In this article, we conducted a systematic review on the available literature regarding variables associated with both the frequency and intensity of sleep paralysis episodes. A total of 42 studies met the inclusion criteria. For each study, sample size, study site, sex and age of participants, sleep paralysis measure, and results of analyses looking at the relationship(s) between sleep paralysis and associated variable(s) were extracted...
June 8, 2017: Sleep Medicine Reviews
https://www.readbyqxmd.com/read/28735697/disentangling-heterogeneity-of-childhood-disruptive-behavior-problems-into-dimensions-and-subgroups
#17
Koen Bolhuis, Gitta H Lubke, Jan van der Ende, Meike Bartels, Catharina E M van Beijsterveldt, Paul Lichtenstein, Henrik Larsson, Vincent W V Jaddoe, Steven A Kushner, Frank C Verhulst, Dorret I Boomsma, Henning Tiemeier
OBJECTIVE: Irritable and oppositional behaviors are increasingly considered as distinct dimensions of oppositional defiant disorder. However, few studies have explored this multidimensionality across the broader spectrum of disruptive behavior problems (DBPs). This study examined the presence of dimensions and distinct subgroups of childhood DBPs, and the cross-sectional and longitudinal associations between these dimensions. METHOD: Using factor mixture models (FMMs), the presence of dimensions and subgroups of DBPs was assessed in the Generation R Study at ages 6 (n = 6,209) and 10 (n = 4,724) years...
August 2017: Journal of the American Academy of Child and Adolescent Psychiatry
https://www.readbyqxmd.com/read/28735643/disrupted-relationship-between-resting-state-connectivity-and-task-evoked-activity-during-social-perception-in-schizophrenia
#18
Sjoerd J H Ebisch, Vittorio Gallese, Anatolia Salone, Giovanni Martinotti, Giuseppe di Iorio, Dante Mantini, Mauro Gianni Perrucci, Gian Luca Romani, Massimo Di Giannantonio, Georg Northoff
Schizophrenia has been described as a self-disorder, whereas social deficits are key features of the illness. Changes in "resting state" activity of brain networks involved in self-related processing have been consistently reported in schizophrenia, but their meaning for social perception deficits remains poorly understood. Here, we applied a novel approach investigating the relationship between task-evoked neural activity during social perception and functional organization of self-related brain networks during a "resting state"...
July 20, 2017: Schizophrenia Research
https://www.readbyqxmd.com/read/28734550/verb-naming-fluency-in-hypokinetic-and-hyperkinetic-movement-disorders
#19
Ece Bayram, Muhittin C Akbostanci
Cortical motor regions are considered to play a role in action related language. These regions are affected differently in different types of movement disorders. Parkinson's disease, a hypokinetic movement disorder, has been shown to cause action language disruptions alongside movement deficits. Action language, however, has not been investigated in primary cervical dystonia, a hyperkinetic movement disorder. The aim of this study is to investigate whether action language is affected differently in hypokinetic and hyperkinetic movement disorders which have different effects on movements...
July 1, 2017: Cortex; a Journal Devoted to the Study of the Nervous System and Behavior
https://www.readbyqxmd.com/read/28734478/ph-dependent-membrane-interactions-of-the-histidine-rich-cell-penetrating-peptide-lah4-l1
#20
Justine Wolf, Christopher Aisenbrey, Nicole Harmouche, Jesus Raya, Philippe Bertani, Natalia Voievoda, Regine Süss, Burkhard Bechinger
The histidine-rich designer peptide LAH4-L1 exhibits antimicrobial and potent cell-penetrating activities for a wide variety of cargo including nucleic acids, polypeptides, adeno-associated viruses, and nanodots. The non-covalent complexes formed between the peptide and cargo enter the cell via an endosomal pathway where the pH changes from neutral to acidic. Here, we investigated the membrane interactions of the peptide with phospholipid bilayers and its membrane topology using static solid-state NMR spectroscopy...
July 19, 2017: Biophysical Journal
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