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Conversion Disorder

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https://www.readbyqxmd.com/read/28239649/switching-harmful-visceral-fat-to-beneficial-energy-combustion-improves-metabolic-dysfunctions
#1
Xiaoyan Yang, Wenhai Sui, Meng Zhang, Mei Dong, Sharon Lim, Takahiro Seki, Ziheng Guo, Carina Fischer, Huixia Lu, Cheng Zhang, Jianmin Yang, Meng Zhang, Yangang Wang, Caixia Cao, Yanyan Gao, Xingguo Zhao, Meili Sun, Yuping Sun, Rujie Zhuang, Nilesh J Samani, Yun Zhang, Yihai Cao
Visceral fat is considered the genuine and harmful white adipose tissue (WAT) that is associated to development of metabolic disorders, cardiovascular disease, and cancer. Here, we present a new concept to turn the harmful visceral fat into a beneficial energy consumption depot, which is beneficial for improvement of metabolic dysfunctions in obese mice. We show that low temperature-dependent browning of visceral fat caused decreased adipose weight, total body weight, and body mass index, despite increased food intake...
February 23, 2017: JCI Insight
https://www.readbyqxmd.com/read/28238740/bridging-cognitive-screening-tests-in-neurologic-disorders-a-crosswalk-between-the-short-montreal-cognitive-assessment-and-mini-mental-state-examination
#2
David R Roalf, Tyler M Moore, Dawn Mechanic-Hamilton, David A Wolk, Steven E Arnold, Daniel A Weintraub, Paul J Moberg
INTRODUCTION: To provide a crosswalk between the recently proposed short Montreal Cognitive Assessment (s-MoCA) and Mini-Mental State Examination (MMSE) within a clinical cohort. METHODS: A total of 791 participants, with and without neurologic conditions, received both the MMSE and the MoCA at the same visit. s-MoCA scores were calculated and equipercentile equating was used to create a crosswalk between the s-MoCA and MMSE. RESULTS: As expected, s-MoCA scores were highly correlated (Pearson r = 0...
February 23, 2017: Alzheimer's & Dementia: the Journal of the Alzheimer's Association
https://www.readbyqxmd.com/read/28238023/speech-acts-during-friends-and-non-friends-spontaneous-conversations-in-preschool-dyads-with-high-functioning-autism-spectrum-disorder-versus-typical-development
#3
Nirit Bauminger-Zviely, Adi Golan-Itshaky, Gila Tubul-Lavy
In this study, we videotaped two 10-min. free-play interactions and coded speech acts (SAs) in peer talk of 51 preschoolers (21 ASD, 30 typical), interacting with friend versus non-friend partners. Groups were matched for maternal education, IQ (verbal/nonverbal), and CA. We compared SAs by group (ASD/typical), by partner's friendship status (friend/non-friend), and by partner's disability status. Main results yielded a higher amount and diversity of SAs in the typical than the ASD group (mainly in assertive acts, organizational devices, object-dubbing, and pretend-play); yet, those categories, among others, showed better performance with friends versus non-friends...
February 25, 2017: Journal of Autism and Developmental Disorders
https://www.readbyqxmd.com/read/28237722/dapper1-attenuates-hepatic-gluconeogenesis-and-lipogenesis-by-activating-pi3k-akt-signaling
#4
Jian-Ren Kuang, Zhi-Hui Zhang, Wei-Ling Leng, Xiao-Tian Lei, Zi-Wen Liang
Studies have shown that hepatic insulin resistance, a disorder of glucose and lipid metabolism, plays a vital role in type 2 diabetes (T2D). To clarify the function of Dapper1 in glucose and lipid metabolism in the liver, we investigated the relationships between Dapper1 and adenosine triphosphate (ATP)- and Ca(2+)-mediated activation of PI3K/Akt. We observed a reduction in hepatic Dapper1 in db/db (mice that are homozygous for a spontaneous diabetes mutation) and HFD-induced diabetic mice with T2D. Hepatic overexpression of Dapper1 improved hyperglycemia, insulin resistance, and fatty liver...
February 22, 2017: Molecular and Cellular Endocrinology
https://www.readbyqxmd.com/read/28237314/preventive-motor-training-but-not-progenitor-grafting-ameliorates-cerebellar-ataxia-and-deregulated-autophagy-in-tambaleante-mice
#5
Elisa Fucà, Michela Guglielmotto, Enrica Boda, Ferdinando Rossi, Ketty Leto, Annalisa Buffo
Treatment options for degenerative cerebellar ataxias are currently very limited. A large fraction of such disorders is represented by hereditary cerebellar ataxias, whose familiar transmission facilitates an early diagnosis and may possibly allow to start preventive treatments before the onset of the neurodegeneration and appearance of first symptoms. In spite of the heterogeneous aetiology, histological alterations of ataxias often include the primary degeneration of the cerebellar cortex caused by Purkinje cells (PCs) loss...
February 22, 2017: Neurobiology of Disease
https://www.readbyqxmd.com/read/28235779/are-psychogenic-non-epileptic-seizures-just-another-symptom-of-conversion-disorder
#6
Richard A A Kanaan, Roderick Duncan, Laura H Goldstein, Joseph Jankovic, Andrea E Cavanna
BACKGROUND: Psychogenic non-epileptic seizures (PNES) are classified with other functional neurological symptoms as 'Conversion Disorder', but there are reasons to wonder whether this symptomatology constitutes a distinct entity. METHODS: We reviewed the literature comparing PNES with other functional neurological symptoms. RESULTS: We find eight studies that directly examined this question. Though all but one found significant differences-notably in presenting age, trauma history, and dissociation-they were divided on whether these differences represented an important distinction...
February 24, 2017: Journal of Neurology, Neurosurgery, and Psychiatry
https://www.readbyqxmd.com/read/28235634/platelet-inhibition-and-increased-phosphorylated-vasodilator-stimulated-phosphoprotein-following-sodium-nitrite-inhalation
#7
Tipparat Parakaw, Kran Suknuntha, Pornpun Vivithanaporn, Axel Schlagenhauf, Supachai Topanurak, Suthat Fucharoen, Kovit Pattanapanyasat, Alan Schechter, Nathawut Sibmooh, Sirada Srihirun
In the presence of red blood cells (RBCs), nitrite inhibits platelets through its conversion to nitric oxide (NO) by the reductase activity of partially deoxygenated hemoglobin. Inhaled sodium nitrite is being investigated as a therapy for pulmonary hypertension. Here, we measured platelet aggregation, P-selectin expression, platelet-leukocyte aggregates and phosphorylated vasodilator-stimulated phosphoprotein (P-VASP(Ser239)) following sodium nitrite inhalation in healthy subjects. In vitro incubation of nitrite with deoxygenated whole blood showed an increase in P-VASP(Ser239), which was inhibited by ODQ, a soluble guanylyl cyclase (sGC) inhibitor...
February 21, 2017: Nitric Oxide: Biology and Chemistry
https://www.readbyqxmd.com/read/28231395/functional-connectivity-in-amygdalar-sensory-pre-motor-networks-at-rest-new-evidence-from-the-human-connectome-project
#8
Nicola Toschi, Andrea Duggento, Luca Passamonti
The word "e-motion" derives from the Latin word "ex-moveo" which literally means "moving away from something / somebody". Emotions are thus fundamental to prime action and goal-directed behavior with obvious implications for individual's survival. However, the brain mechanisms underlying the interactions between emotional and motor cortical systems remain poorly understood. A recent diffusion tensor imaging study in humans has reported the existence of direct anatomical connections between the amygdala and sensory/(pre)motor cortices, corroborating an initial observation in animal research...
February 23, 2017: European Journal of Neuroscience
https://www.readbyqxmd.com/read/28231043/transient-oxytocin-signaling-primes-the-development-and-function-of-excitatory-hippocampal-neurons
#9
Silvia Ripamonti, Mateusz C Ambrozkiewicz, Francesca Guzzi, Marta Gravati, Gerardo Biella, Ingo Bormuth, Matthieu Hammer, Liam P Tuffy, Albrecht Sigler, Hiroshi Kawabe, Katsuhiko Nishimori, Mauro Toselli, Nils Brose, Marco Parenti, JeongSeop Rhee
Beyond its role in parturition and lactation, oxytocin influences higher brain processes that control social behavior of mammals, and perturbed oxytocin signaling has been linked to the pathogenesis of several psychiatric disorders. However, it is still largely unknown how oxytocin exactly regulates neuronal function. We show that early, transient oxytocin exposure in vitro inhibits the development of hippocampal glutamatergic neurons, leading to reduced dendrite complexity, synapse density, and excitatory transmission, while sparing GABAergic neurons...
February 23, 2017: ELife
https://www.readbyqxmd.com/read/28228714/narrative-organization-deficit-in-lewy-body-disorders-is-related-to-alzheimer-pathology
#10
Murray Grossman, David J Irwin, Charles Jester, Amy Halpin, Sharon Ash, Katya Rascovsky, Daniel Weintraub, Corey T McMillan
Background: Day-to-day interactions depend on conversational narrative, and we examine here the neurobiological basis for difficulty organizing narrative discourse in patients with Lewy body disorders (LBD). Method: Narrative organization was examined in 56 non-aphasic LBD patients, including a non-demented cohort (n = 30) with Parkinson's disease (PD) or PD-Mild Cognitive Impairment PD-MCI,) and a cohort with mild dementia (n = 26) including PD-dementia (PDD) and dementia with Lewy bodies (DLB), with similar age and education but differing in MMSE (p < 0...
2017: Frontiers in Neuroscience
https://www.readbyqxmd.com/read/28223090/roux-en-y-gastric-bypass-for-the-treatment-of-severe-complications-after-omega-loop-gastric-bypass
#11
Tigran Poghosyan, Clementine Caille, David Moszkowicz, Mouna Hanachi, Claire Carette, Jean-Luc Bouillot
BACKGROUND: Omega-loop gastric bypass (OLGB) may be associated with severe complications, including anastomotic leak, refractory ulcer or stenosis, undernutrition, and disabling digestive disorders (chronic diarrhea, steatorrhea, bile reflux, and vomiting). OLGB conversion to Roux-en-Y gastric bypass (RYGB) was suggested to treat these complications. OBJECTIVES: To evaluate the efficacy and risk of severe complications after OLGB conversion to RYGB. SETTING: University hospital...
December 9, 2016: Surgery for Obesity and related Diseases: Official Journal of the American Society for Bariatric Surgery
https://www.readbyqxmd.com/read/28217272/disability-among-attendees-with-schizophrenia-in-a-nigerian-hospital-further-evidence-for-integrated-rehabilitative-treatment-designs
#12
Andrew Toyin Olagunju, Dapo Adebowale Adegbaju, Richard Uwakwe
Evidence-based rehabilitative treatment is constrained due to limited knowledge about disability and its related factors among individuals with schizophrenia across West Africa. This study aims to investigate the pattern of disability, and the associated factors among individuals with schizophrenia. One hundred consecutively recruited consenting participants were subjected to designed questionnaire to inquire about their demographic and illness-related variables. This was followed by the administration of Structured Clinical Interview for DSM-IV-TR Axis I Disorders and Brief Psychiatric Rating Scale to confirm the diagnosis of schizophrenia and rate severity of symptoms respectively in them...
November 23, 2016: Mental Illness
https://www.readbyqxmd.com/read/28216884/chemical-components-from-aloe-and-their-inhibition-of-indoleamine-2-3-dioxygenase
#13
Ya Nan Sun, Lin Ying Li, Wei Li, Jong Seong Kang, Inkyu Hwang, Young Ho Kim
BACKGROUND: In Korea, Aloe is routinely ingested as a traditional medicine or as a component of health beverages. OBJECTIVE: To research the inhibition of indoleamine 2, 3-dioxygenase (IDO) activities of components from Aloe. MATERIALS AND METHODS: the compounds were isolated by a combination of silica gel and YMC Rp-18 column chromatography, and their structures were identified by analysis of spectroscopic data (1D, 2D-NMR, and MS). All of the isolated compounds were examined for their ability to inhibit IDO, which actively suppresses immune functions by catalyzing the rate limiting reaction in the conversion of tryptophan to kynurenine...
January 2017: Pharmacognosy Magazine
https://www.readbyqxmd.com/read/28215185/nutritive-value-and-anthelmintic-effect-of-sainfoin-pellets-fed-to-experimentally-infected-growing-rabbits
#14
H Legendre, H Hoste, T Gidenne
Alternative strategies to synthetic chemical drugs are needed in livestock and are a key issue in organic farming today. This study aimed at examining the potentialities of sainfoin, a legume rich in condensed tannins, as a nutraceutical that combines nutritive and antiparasitic effects in rabbits. To test the effect of infection with a helminth (I: infected groups; NI: not infected groups) and the effect of substituting 40% of the alfalfa in a control diet (C) with sainfoin (diet S), four groups of 16 weaned rabbits were arranged according to a 2×2 bifactorial design...
February 20, 2017: Animal: An International Journal of Animal Bioscience
https://www.readbyqxmd.com/read/28215021/sluggish-cognitive-tempo-processing-speed-and-internalizing-symptoms-the-moderating-effect-of-age
#15
Lisa A Jacobson, Megan Geist, E Mark Mahone
Sluggish Cognitive Tempo (SCT) has been defined by a constellation of caregiver-reported symptoms that includes daydreaming, difficulty initiating and sustaining effort, lethargy, and physical underactivity. These symptoms have been observed in both typically developing children and in some children with Attention-Deficit/Hyperactivity Disorder (ADHD)-especially those with the predominantly inattentive presentation. Symptoms of SCT (typically identified via rating scales) appear separable from DSM inattentive ADHD symptoms, but have also been associated with internalizing symptoms...
February 18, 2017: Journal of Abnormal Child Psychology
https://www.readbyqxmd.com/read/28208982/delusional-disorder-in-a-patient-with-corpus-callosum-agenesis
#16
M S Bhatia, Rashmita Saha, Nimisha Doval
Agenesis of corpus callosum is rare and associated neuropsychiatric abnormalities reported are epilepsy, Asperger's syndrome, learning problems, depression, schizophrenia, conduct disorder and conversion symptoms. Schizophrenia is the most common psychiatric disorder reported among corpus callosum agenesis. We report a rare case of delusional disorder with corpus callosum agenesis and seizure disorder. The patient presented with delusions of persecution towards younger brother and mother, disturbed sleep and reduced appetite...
December 2016: Journal of Clinical and Diagnostic Research: JCDR
https://www.readbyqxmd.com/read/28208702/the-glutamate-dehydrogenase-pathway-and-its-roles-in-cell-and-tissue-biology-in-health-and-disease
#17
REVIEW
Andreas Plaitakis, Ester Kalef-Ezra, Dimitra Kotzamani, Ioannis Zaganas, Cleanthe Spanaki
Glutamate dehydrogenase (GDH) is a hexameric enzyme that catalyzes the reversible conversion of glutamate to α-ketoglutarate and ammonia while reducing NAD(P)⁺ to NAD(P)H. It is found in all living organisms serving both catabolic and anabolic reactions. In mammalian tissues, oxidative deamination of glutamate via GDH generates α-ketoglutarate, which is metabolized by the Krebs cycle, leading to the synthesis of ATP. In addition, the GDH pathway is linked to diverse cellular processes, including ammonia metabolism, acid-base equilibrium, redox homeostasis (via formation of fumarate), lipid biosynthesis (via oxidative generation of citrate), and lactate production...
February 8, 2017: Biology
https://www.readbyqxmd.com/read/28208468/colloidal-polycrystalline-monolayers-under-oscillatory-shear
#18
Ivo Buttinoni, Mathias Steinacher, Hendrik Th Spanke, Juho Pokki, Severin Bahmann, Bradley Nelson, Giuseppe Foffi, Lucio Isa
In this paper we probe the structural response to oscillatory shear deformations of polycrystalline monolayers of soft repulsive colloids with varying area fraction over a broad range of frequencies and amplitudes. The particles are confined at a fluid interface, sheared using a magnetic microdisk, and imaged through optical microscopy. The structural and mechanical response of soft materials is highly dependent on their microstructure. If crystals are well understood and deform through the creation and mobilization of specific defects, the situation is much more complex for disordered jammed materials, where identifying structural motifs defining plastically rearranging regions remains an elusive task...
January 2017: Physical Review. E
https://www.readbyqxmd.com/read/28205601/virtual-human-as-a-new-diagnostic-tool-a-proof-of-concept-study-in-the-field-of-major-depressive-disorders
#19
Pierre Philip, Jean-Arthur Micoulaud-Franchi, Patricia Sagaspe, Etienne De Sevin, Jérôme Olive, Stéphanie Bioulac, Alain Sauteraud
Embodied Conversational Agents (ECAs) are promising software to communicate with patients but no study has tested them in the diagnostic field of mental disorders. The aim of this study was 1) to test the performance of a diagnostic system for major depressive disorders (MDD), based on the identification by an ECA of specific symptoms (the MDD DSM 5 criteria) in outpatients; 2) to evaluate the acceptability of such an ECA. Patients completed two clinical interviews in a randomized order (ECA versus psychiatrist) and filled in the Acceptability E-scale (AES) to quantify the acceptability of the ECA...
February 16, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28205010/prion-specific-and-surrogate-csf-biomarkers-in-creutzfeldt-jakob-disease-diagnostic-accuracy-in-relation-to-molecular-subtypes-and-analysis-of-neuropathological-correlates-of-p-tau-and-a%C3%AE-42-levels
#20
Francesca Lattanzio, Samir Abu-Rumeileh, Alessia Franceschini, Hideaki Kai, Giulia Amore, Ilaria Poggiolini, Marcello Rossi, Simone Baiardi, Lynne McGuire, Anna Ladogana, Maurizio Pocchiari, Alison Green, Sabina Capellari, Piero Parchi
The differential diagnosis of Creutzfeldt-Jakob disease (CJD) from other, sometimes treatable, neurological disorders is challenging, owing to the wide phenotypic heterogeneity of the disease. Real-time quaking-induced prion conversion (RT-QuIC) is a novel ultrasensitive in vitro assay, which, at variance with surrogate neurodegenerative biomarker assays, specifically targets the pathological prion protein (PrP(Sc)). In the studies conducted to date in CJD, cerebrospinal fluid (CSF) RT-QuIC showed good diagnostic sensitivity (82-96%) and virtually full specificity...
February 15, 2017: Acta Neuropathologica
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