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https://www.readbyqxmd.com/read/28783004/sorption-behavior-of-eu-iii-from-an-aqueous-solution-onto-modified-hydroxyapatite-kinetics-modeling-and-thermodynamics
#1
H M H Gad, M A Youssef
Nano-pore hydroxyapatite (HAP) was prepared using physical activation of raw and chemically modified [using Acid; HNO3 (HAPA) or Base; NaOH (HAPB)] bone char (BC) by heating at 900°C for 1 hr to obtain HAP9, HAPA9 and HAPB9, respectively. Investigation the effects of thermal and chemical treatment of prepared nano-hydroxyapatite on elemental analysis, FTIR, scanning electron microscopy, surface area and consequently, the sorption behavior of Eu (III) ions onto the prepared nano-pore hydroxyapatite. Batch adsorption technique was used and the obtained results revealed that the optimum pH = 5...
August 16, 2017: Environmental Technology
https://www.readbyqxmd.com/read/28777984/comorbid-sleep-disorders-and-suicide-risk-among-children-and-adolescents-with-bipolar-disorder
#2
Ian H Stanley, Melanie A Hom, Joan L Luby, Paramjit T Joshi, Karen D Wagner, Graham J Emslie, John T Walkup, David A Axelson, Thomas E Joiner
Children and adolescents with bipolar disorder are at increased risk for suicide. Sleep disturbances are common among youth with bipolar disorder and are also independently implicated in suicide risk; thus, comorbid sleep disorders may amplify suicide risk in this clinical population. This study examined the effects of comorbid sleep disorders on suicide risk among youth with bipolar disorder. We conducted secondary analyses of baseline data from the Treatment of Early Age Mania (TEAM) study, a randomized controlled trial of individuals aged 6-15 years (mean ± SD = 10...
July 29, 2017: Journal of Psychiatric Research
https://www.readbyqxmd.com/read/28775328/inhibition-of-glutamate-decarboxylase-gad-by-ethyl-ketopentenoate-ekp-induces-treatment-resistant-epileptic-seizures-in-zebrafish
#3
Yifan Zhang, Michiel Vanmeert, Aleksandra Siekierska, Annelii Ny, Jubi John, Geert Callewaert, Eveline Lescrinier, Wim Dehaen, Peter A M de Witte, Rafal M Kaminski
Epilepsy is a chronic brain disorder characterized by recurrent seizures due to abnormal, excessive and synchronous neuronal activities in the brain. It affects approximately 65 million people worldwide, one third of which are still estimated to suffer from refractory seizures. Glutamic acid decarboxylase (GAD) that converts glutamate into GABA is a key enzyme in the dynamic regulation of neural network excitability. Importantly, clinical evidence shows that lowered GAD activity is associated with several forms of epilepsy which are often treatment resistant...
August 3, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28767521/disabling-central-paroxysmal-positioning-upbeat-nystagmus-and-vertigo-associated-with-the-presence-of-anti-glutamic-acid-decarboxylase-antibodies
#4
Ana I Martins, João N Carvalho, Ana M Amorim, Argemiro Geraldo, Eric Eggenberger, João Lemos
An immune attack by anti-glutamic acid decarboxylase (GAD) antibodies is believed to cause a deficiency in gamma-aminobutyric acid-mediated neurotransmission in the cerebellum. This, in turn, leads to several eye movement disorders, including spontaneous downbeat (DBN) and periodic alternating nystagmus. We describe a 68-year-old diabetic woman with disabling paroxysmal positioning upbeat nystagmus (UBN) exclusively in the supine position, associated with asymptomatic spontaneous DBN, alternating skew deviation and hyperactive vestibulo-ocular reflex responses on head impulse testing, in whom high titers of anti-GAD antibodies were detected...
August 1, 2017: Journal of Neuro-ophthalmology: the Official Journal of the North American Neuro-Ophthalmology Society
https://www.readbyqxmd.com/read/28759400/body-composition-in-adolescents-during-treatment-with-selective-serotonin-reuptake-inhibitors
#5
Chadi A Calarge, James A Mills, Kathleen F Janz, Trudy L Burns, William H Coryell, Babette S Zemel
OBJECTIVES: To examine the independent contribution of major depressive disorder (MDD), generalized anxiety disorder (GAD), and selective serotonin reuptake inhibitors (SSRIs) to changes in body composition in older adolescents. METHODS: Medically healthy 15- to 20-year-olds who were unmedicated or within 1 month of starting an SSRI were prospectively followed. Psychiatric functioning and medication treatment were assessed monthly. Body Mass Index (BMI) was measured every 4 months...
July 2017: Pediatrics
https://www.readbyqxmd.com/read/28756794/psychometric-properties-of-the-worry-behaviors-inventory-replication-and-extension-in-a-large-clinical-and-community-sample
#6
Alison E J Mahoney, Megan J Hobbs, Jill M Newby, Alishia D Williams, Gavin Andrews
BACKGROUND: The use of maladaptive behaviors by individuals with generalized anxiety disorder (GAD) is theoretically important and clinically meaningful. However, little is known about the specificity of avoidant behaviors to GAD and how these behaviors can be reliably assessed. AIMS: This study replicated and extended the psychometric evaluation of the Worry Behaviors Inventory (WBI), a brief self-report measure of avoidant behaviors associated with GAD. METHOD: The WBI was administered to a hospital-based sample of adults seeking treatment for symptoms of anxiety and/or depression (n = 639) and to a community sample (n = 55)...
July 31, 2017: Behavioural and Cognitive Psychotherapy
https://www.readbyqxmd.com/read/28756556/the-validity-of-the-screen-for-child-anxiety-related-emotional-disorders-revised-scared-r-scale-and-sub-scales-in-swedish-youth
#7
Tord Ivarsson, Gudmundur Skarphedinsson, Markus Andersson, Håkan Jarbin
We evaluated the clinical utility of the Swedish SCARED-R in child- and adolescent psychiatric outpatients (n = 239) and validated it against Longitudinal Expert All Data (LEAD) DSM IV diagnoses based on the Children's Schedule for Affective Disorders and Schizophrenia (KSADS) and subsequent clinical work-up and treatment outcome. The SCARED-R total score and subscales had acceptable sensitivity/specificity for child and parent reports for cut-offs based on Receiver Operating Characteristics (ROC) curves, with mostly moderate area under the curve...
July 29, 2017: Child Psychiatry and Human Development
https://www.readbyqxmd.com/read/28749549/a-double-blind-placebo-controlled-study-of-rituximab-in-patients-with-stiff-person-syndrome
#8
Marinos C Dalakas, Goran Rakocevic, James M Dambrosia, Harry Alexopoulos, Beverly McElroy
OBJECTIVE: In stiff person syndrome (SPS), an antibody-mediated impaired γ-aminobutyric acidergic (GABAergic) neurotransmission is believed to cause muscle stiffness and spasms. Most patients improve with GABA-enhancing drugs and intravenous immunoglobulin, but some respond poorly and remain disabled. The need for more effective therapy prompted a trial with the anti-CD20 monoclonal antibody rituximab. METHODS: This was a placebo-controlled randomized trial of rituximab (2 biweekly infusions of 1g each)...
July 27, 2017: Annals of Neurology
https://www.readbyqxmd.com/read/28730851/agomelatine-for-the-treatment-of-generalized-anxiety-disorder
#9
Massimiliano Buoli, Silvia Grassi, Marta Serati, A Carlo Altamura
Agomelatine is a melatonergic antidepressant, approved for the treatment of Major Depressive Disorder (MDD) in Europe and Australia, but not in the United States. This compound seems to be promising in the short-term and maintenance treatment of Generalized Anxiety Disorder (GAD). Areas covered: This paper presents an evaluation of the available data about the clinical efficacy and tolerability of agomelatine in the treatment of GAD. Expert opinion: First-line GAD treatments are limited by high rates of lack of clinical response...
July 28, 2017: Expert Opinion on Pharmacotherapy
https://www.readbyqxmd.com/read/28727948/a-collaborative-network-based-approach-to-advance-women-s-depression-research-in-the-united-states-preliminary-findings
#10
Heather A Flynn, Catherine Spino, Constance Guille, Kristina M Deligiannidis, Pauline Maki, Jordan Jahnke, Katherine L Rosenblum, C Neill Epperson, Sandra J Weiss
OBJECTIVE: Translation of women's mental health research has yet to impact overall prevalence and burden of Mood Disorders in the United States. The lack of standard measures and methodological coordination across studies has contributed to the slow impact of research on outcomes. The primary aims of this project were to demonstrate the process by which multiple investigators, sites, and settings administered a standard women's mental health questionnaire within a new Women's Depression Network...
July 20, 2017: Journal of Women's Health
https://www.readbyqxmd.com/read/28726484/annals-express-experience-with-newer-central-nervous-system-autoantibodies
#11
Abid Karim, Saiju Jacob
In the last decade, a large number of neuronal cell-surface antibodies have been described which are responsible for a range of neuroimmunological central nervous system disorders. Unlike the paraneoplastic antibodies which target intracellular antigens, these antibodies appear to be pathogenic and hence identification and prompt treatment can make a substantial impact on clinical outcomes of these patients. We review the common antibodies against the ionotropic Glutamate receptors (NMDAR, AMPAR), metabotropic Glutamate receptors (mGluR1 and mGluR5), voltage gated potassium channel-complex proteins (LGI1, CASPR2), and other antibodies targeted against Glycine receptor, Glutamic acid decarboxylase (GAD), Gamma Amino Butyric Acid B (GABAB), Dopamine-2-receptor (D2R) and Dipeptidyl-peptidase-like protein 6 (DPPX)...
January 1, 2017: Annals of Clinical Biochemistry
https://www.readbyqxmd.com/read/28720552/autoimmune-limbic-encephalitis-associated-with-type-1-diabetes-mellitus
#12
Onur Akın, Aylin Kılınç Uğurlu, Emine Demet Akbaş, Esra Döğer, Yılmaz Akbaş, Aysun Bideci, Özge Yüce, Kıvılcım Gücüyener, Orhun Çamurdan, Neşe Karabacak, Peyami Cinaz
Glutamic acid decarboxylase (GAD) antibodies can participate in the pathogenesis of both type 1 diabetes mellitus (T1DM) and limbic encephalitis (LE). However, an association between T1DM and LE is very rare. We report a patient who was diagnosed with type 1 diabetes mellitus six months after encountering limbic encephalitis. A 16-year-old boy was admitted with behavioral changes, confusion, and headache. He was diagnosed with LE. Anti-GAD levels were high. He was treated with pulse methylprednisolone. During the steroid treatment, neurological symptoms improved but hyperglycemia occurred...
July 17, 2017: Journal of Clinical Research in Pediatric Endocrinology
https://www.readbyqxmd.com/read/28720078/characteristics-of-cardio-cerebrovascular-modulation-in-patients-with-generalized-anxiety-disorder-an-observational-study
#13
Zhen-Ni Guo, Liangshu Feng, Xiuli Yan, Le Yang, Shuo Huang, Yingqi Xing, Yi Yang
BACKGROUND: Generalized anxiety disorder (GAD) has been shown in previous studies to display abnormal cerebral blood flow velocity (CBFV); however, the characteristics of cardio-cerebrovascular modulation are unknown. We aimed to analyze cardio-cerebrovascular modulation using parameters from a supine-to-standing test. METHODS: There are 2 parts to this study; in Part 1, 125 participants with Hamilton Anxiety scale scores ≥14 were enrolled, and 33 age- and sex-matched medically and psychiatrically healthy volunteers were recruited as control participants...
July 18, 2017: BMC Psychiatry
https://www.readbyqxmd.com/read/28711797/symptom-severity-and-disability-in-psychiatric-disorders-the-u-s-collaborative-psychiatric-epidemiology-survey
#14
R García-Velázquez, M Jokela, T H Rosenström
BACKGROUND: While most psychiatric diagnoses are based on simple counts of symptoms, some symptoms may be sign of a more severe mental syndrome than others. This calls for validated estimates of the relative severity specific symptoms imply within a disorder. We focused on four diagnostic disorders: Manic Episode (ME), Major Depressive Episode (MDE), Post-traumatic Stress Disorder (PTSD) and Generalized Anxiety Disorder (GAD). Symptom-specific severity parameters were estimated, and validated by examining their association with levels of self-reported disability in daily activities over and above the number of symptoms...
November 2017: Journal of Affective Disorders
https://www.readbyqxmd.com/read/28701371/population-based-assessment-of-a-biomarker-based-screening-pathway-to-aid-diagnosis-of-monogenic-diabetes-in-young-onset-patients
#15
Beverley M Shields, Maggie Shepherd, Michelle Hudson, Timothy J McDonald, Kevin Colclough, Jaime Peters, Bridget Knight, Chris Hyde, Sian Ellard, Ewan R Pearson, Andrew T Hattersley
OBJECTIVE: Monogenic diabetes, a young-onset form of diabetes, is often misdiagnosed as type 1 diabetes, resulting in unnecessary treatment with insulin. A screening approach for monogenic diabetes is needed to accurately select suitable patients for expensive diagnostic genetic testing. We used C-peptide and islet autoantibodies, highly sensitive and specific biomarkers for discriminating type 1 from non-type 1 diabetes, in a biomarker screening pathway for monogenic diabetes. RESEARCH DESIGN AND METHODS: We studied patients diagnosed aged 30 years or younger, currently younger than 50 years, in two U...
July 12, 2017: Diabetes Care
https://www.readbyqxmd.com/read/28698481/plasma-neutrophil-gelatinase-associated-lipocalin-and-predicting-clinically-relevant-worsening-renal-function-in-acute-heart-failure
#16
Kevin Damman, Mattia A E Valente, Dirk J van Veldhuisen, John G F Cleland, Christopher M O'Connor, Marco Metra, Piotr Ponikowski, Gad Cotter, Beth Davison, Michael M Givertz, Daniel M Bloomfield, Hans L Hillege, Adriaan A Voors
The aim of this study was to evaluate the ability of Neutrophil Gelatinase-Associated Lipocalin (NGAL) to predict clinically relevant worsening renal function (WRF) in acute heart failure (AHF). Plasma NGAL and serum creatinine changes during the first 4 days of admission were investigated in 1447 patients hospitalized for AHF and enrolled in the Placebo-Controlled Randomized Study of the Selective A₁Adenosine Receptor Antagonist Rolofylline for Patients Hospitalized with Acute Decompensated Heart Failure and Volume Overload to Assess Treatment Effect on Congestion and Renal Function (PROTECT) study...
July 8, 2017: International Journal of Molecular Sciences
https://www.readbyqxmd.com/read/28697559/depressive-symptoms-and-tau-accumulation-in-the-inferior-temporal-lobe-and-entorhinal-cortex-in-cognitively-normal-older-adults-a-pilot-study
#17
Jennifer R Gatchel, Nancy J Donovan, Joseph J Locascio, Aaron P Schultz, J Alex Becker, Jasmeer Chhatwal, Kathryn V Papp, Rebecca E Amariglio, Dorene M Rentz, Deborah Blacker, Reisa A Sperling, Keith A Johnson, Gad A Marshall
BACKGROUND: Depressive symptoms are common in older adults and associated with increased morbidity and cognitive decline. These symptoms occur during preclinical and prodromal stages of Alzheimer's disease (AD), but their relationship to tau, one of the main AD proteinopathies, is poorly understood. OBJECTIVE: The objective of this study was to investigate the cross-sectional association between depressive symptoms and cerebral tau [18F T807 (also known as 18F-AV-1451) tau positron emission tomography (PET) imaging] in cognitively normal (CN) older adults...
2017: Journal of Alzheimer's Disease: JAD
https://www.readbyqxmd.com/read/28689344/neurological-results-of-the-modified-treatment-of-epilepsy-by-stimulation-of-the-vagus-nerve
#18
Michael Vaiman, Eli Heyman, Gad Lotan
INTRODUCTION: The vagus nerve stimulation (VNS) is used for treatment of drug-resistant epilepsy but laryngeal side effects are common. We tried to improve VNS by modifying the implantation procedure. The aim was to reduce the rate of side effects that have prevented using VNS to its full capacity. METHODS: We operated on 74 pediatric patients for VNS device implantation using a modified surgical protocol incorporating lower neck incision for electrode placement and 36 patients who were operated by standard technique were used for control group...
July 8, 2017: Child's Nervous System: ChNS: Official Journal of the International Society for Pediatric Neurosurgery
https://www.readbyqxmd.com/read/28689294/cerebellar-disease-associated-with-anti-glutamic-acid-decarboxylase-antibodies-review
#19
REVIEW
José Fidel Baizabal-Carvallo, Marlene Alonso-Juarez
Several neurological syndromes have been recognized associated to GAD antibodies. Among those disorders, cerebellar ataxia (CA) is one of the most common, along with stiff-person syndrome. Patients with GAD associated CA present with a progressive pancerebellar syndrome, with a subacute or chronic evolution, along with other neurological manifestations such as stiffness, oculomotor dysfunction, epilepsy, and cognitive dysfunction. These symptoms may be preceded by the so-called "brainstem attacks", where manifestations consistent with transient dysfunction of the brainstem may be observed...
July 8, 2017: Journal of Neural Transmission
https://www.readbyqxmd.com/read/28676743/differential-alteration-in-expression-of-striatal-gabaar-subunits-in-mouse-models-of-huntington-s-disease
#20
Zhuowei Du, Margot Tertrais, Gilles Courtand, Thierry Leste-Lasserre, Laura Cardoit, Frédérique Masmejean, Christophe Halgand, Yoon H Cho, Maurice Garret
Huntington's disease (HD) is a neurodegenerative disorder characterized by progressive motor symptoms that are preceded by cognitive deficits and is considered as a disorder that primarily affects forebrain striatal neurons. To gain a better understanding of the molecular and cellular mechanisms associated with disease progression, we analyzed the expression of proteins involved in GABAergic neurotransmission in the striatum of the R6/1 transgenic mouse model. Western blot, quantitative PCR and immunohistochemical analyses were conducted on male R6/1 mice and age-matched wild type littermates...
2017: Frontiers in Molecular Neuroscience
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