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https://www.readbyqxmd.com/read/28426803/dendritic-cell-maturation-but-not-type-i-interferon-exposure-restricts-infection-by-htlv-1-and-viral-transmission-to-t-cells
#1
Gergès Rizkallah, Sandrine Alais, Nicolas Futsch, Yuetsu Tanaka, Chloé Journo, Renaud Mahieux, Hélène Dutartre
Human T lymphotropic Virus type 1 (HTLV-1) is the etiological agent of Adult T cell Leukemia/Lymphoma (ATLL) and HTLV-1-Associated Myelopathy/Tropical Spastic Paraparesis (HAM/TSP). Both CD4+ T-cells and dendritic cells (DCs) infected with HTLV-1 are found in peripheral blood from HTLV-1 carriers. We previously demonstrated that monocyte-derived IL-4 DCs are more susceptible to HTLV-1 infection than autologous primary T-cells, suggesting that DC infection precedes T-cell infection. However, during blood transmission, breast-feeding or sexual transmission, HTLV-1 may encounter different DC subsets present in the blood, the intestinal or genital mucosa respectively...
April 20, 2017: PLoS Pathogens
https://www.readbyqxmd.com/read/28426463/treatments-for-achalasia-in-2017-how-to-choose-among-them
#2
Peter J Kahrilas, John E Pandolfino
PURPOSE OF REVIEW: To review recent advances in achalasia diagnostics and therapeutics. RECENT FINDINGS: The cardinal feature of achalasia, impaired lower esophageal sphincter (LES) relaxation, can occur in association with varied patterns of esophageal contractility. The Chicago Classification distinguishes among these as follows: without contractility (type I), with panesophageal pressurization (type II), with premature (spastic) distal esophageal contractions (type III), or even with preserved peristalsis [esophagogastric junction (EGJ) outlet obstruction]...
April 19, 2017: Current Opinion in Gastroenterology
https://www.readbyqxmd.com/read/28422159/spastic-paraplegia-linked-phospholipase-papla1-is-necessary-for-development-reproduction-and-energy-metabolism-in-drosophila
#3
Martina Gáliková, Peter Klepsatel, Judith Münch, Ronald P Kühnlein
The human PAPLA1 phospholipase family is associated with hereditary spastic paraplegia (HSP), a neurodegenerative syndrome characterized by progressive spasticity and weakness of the lower limbs. Taking advantage of a new Drosophila PAPLA1 mutant, we describe here novel functions of this phospholipase family in fly development, reproduction, and energy metabolism. Loss of Drosophila PAPLA1 reduces egg hatchability, pre-adult viability, developmental speed, and impairs reproductive functions of both males and females...
April 19, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28421784/assessment-of-anthropometric-indicators-in-children-with-cerebral-palsy-according-to-the-type-of-motor-dysfunction-and-reference-standard
#4
Jorge Abraham García Iñiguez, Edgar Manuel Vásquez-Garibay, Andrea García Contreras, Enrique Romero-Velarde, Rogelio Troyo Sanromán
AIM: The study aimed to demonstrate that the assessment of the anthropomorphic measurements of children with cerebral palsy (CP) varies according to the type of motor dysfunction and references standard used for comparison. METHOD: In a cross-sectional design, 108 children 2 to 16 years were classified according to the type of motor dysfunction by gender and age group. Weight, mid-upper-arm-circumference (MUAC), and alternative measures for height were performed...
March 30, 2017: Nutrición Hospitalaria: Organo Oficial de la Sociedad Española de Nutrición Parenteral y Enteral
https://www.readbyqxmd.com/read/28421032/spasticity-motor-recovery-and-neural-plasticity-after-stroke
#5
REVIEW
Sheng Li
Spasticity and weakness (spastic paresis) are the primary motor impairments after stroke and impose significant challenges for treatment and patient care. Spasticity emerges and disappears in the course of complete motor recovery. Spasticity and motor recovery are both related to neural plasticity after stroke. However, the relation between the two remains poorly understood among clinicians and researchers. Recovery of strength and motor function is mainly attributed to cortical plastic reorganization in the early recovery phase, while reticulospinal (RS) hyperexcitability as a result of maladaptive plasticity, is the most plausible mechanism for poststroke spasticity...
2017: Frontiers in Neurology
https://www.readbyqxmd.com/read/28420387/effects-of-host-restriction-factors-and-the-htlv-1-subtype-on-susceptibility-to-htlv-1-associated-myelopathy-tropical-spastic-paraparesis
#6
Satoshi Nozuma, Eiji Matsuura, Daisuke Kodama, Yuichi Tashiro, Toshio Matsuzaki, Ryuji Kubota, Shuji Izumo, Hiroshi Takashima
BACKGROUND: Although human T-lymphotropic virus type 1 (HTLV-1) infection is a prerequisite for the development of HTLV-1-associated myelopathy/tropical spastic paraparesis (HAM/TSP), specific provirus mutations in HAM/TSP have not yet been reported. In this study, we examined whether HAM/TSP patients had the disease-specific genomic variants of HTLV-1 by analyzing entire sequences of HTLV-1 proviruses in these patients, including familial cases. In addition, we investigated the genetic variants of host restriction factors conferring antiretroviral activity to determine which mutations may be related to resistance or susceptibility to HAM/TSP...
April 19, 2017: Retrovirology
https://www.readbyqxmd.com/read/28420314/book-review-spasticity-diagnosis-and-management-brashear-a-spasticity-diagnosis-and-management-2nd-edition-new-york-ny-demos-medical-2016-512-pp-135-isbn-9781620700723
#7
https://www.readbyqxmd.com/read/28420175/a-new-input-device-for-spastics-based-on-strain-gauge
#8
Niels Buchhold, Christian Baumgartner
This article presents a new sensor for use by people with spastic disorders and similar conditions and enables them to steer and control medical devices such as electric powered wheelchairs. As spastic patients often suffer from cramping of their extremities, which can then no longer be controlled, using a standard joystick while operating a powered wheelchair can lead to dangerous situations. To prevent this, we designed a sensor based on strain gauges, which is shaped like a flat disc that can be operated using any body part...
April 17, 2017: Sensors
https://www.readbyqxmd.com/read/28419689/kinetic-and-structural-changes-in-hsmtphers-induced-by-pathogenic-mutations-in-human-fars2
#9
Ekaterine Kartvelishvili, Dmitry Tworowski, Hilary Vernon, Nina Moor, Jing Wang, Lee-Jun Wong, Zofia Chrzanowska-Lightowlers, Mark Safro
Mutations in the mitochondrial aminoacyl-tRNA synthetases (mtaaRSs) can cause profound clinical presentations, and have manifested as diseases with very selective tissue specificity. To date most of the mtaaRS mutations could be phenotypically recognized, such that clinicians could identify the affected mtaaRS from the symptoms alone. Among the recently reported pathogenic variants are point mutations in FARS2 gene, encoding the human mitochondrial PheRS. Patient symptoms range from spastic paraplegia to fatal infantile Alpers encephalopathy...
April 17, 2017: Protein Science: a Publication of the Protein Society
https://www.readbyqxmd.com/read/28418729/relationship-of-cognitive-functions-and-gross-motor-abilities-in-children-with-spastic-diplegic-cerebral-palsy
#10
Alaa Al-Nemr, Faten Abdelazeim
Spastic diplegic cerebral palsy can be accompanied by a myriad of symptoms affecting other body systems including cognitive dysfunction. The purpose of this study was to determine whether a relationship exists between cognitive functions in the form of selective attention and figural memory domains with standing and walking motor abilities in children with diplegic cerebral palsy. The research design was a correlational study. Tasks assessing cognitive function and gross motor abilities were carried out with a sample of 50 children...
April 18, 2017: Applied Neuropsychology. Child
https://www.readbyqxmd.com/read/28417072/atypical-juvenile-presentation-of-gm2-gangliosidosis-ab-in-a-patient-compound-heterozygote-for-c-259g%C3%A2-%C3%A2-t-and-c-164c%C3%A2-%C3%A2-t-mutations-in-the-gm2a-gene
#11
Carla Martins, Catherine Brunel-Guitton, Anne Lortie, France Gauvin, Carlos R Morales, Grant A Mitchell, Alexey V Pshezhetsky
GM2-gangliosidosis, AB variant is an extremely rare autosomal recessive inherited disorder caused by mutations in the GM2A gene that encodes GM2 ganglioside activator protein (GM2AP). GM2AP is necessary for solubilisation of GM2 ganglioside in endolysosomes and its presentation to β-hexosaminidase A. Conversely GM2AP deficiency impairs lysosomal catabolism of GM2 ganglioside, leading to its storage in cells and tissues. We describe a 9-year-old child with an unusual juvenile clinical onset of GM2-gangliosidosis AB...
June 2017: Molecular Genetics and Metabolism Reports
https://www.readbyqxmd.com/read/28413556/totally-cystic-intradural-schwannoma-in-thoracic-region
#12
Sushil Kumar, Raghavendra Gupta, Amit Handa, Rohan Sinha
Spinal schwannomas are benign intradural extramedullary tumors arising from spinal nerve root sheath. They are usually solid or heterogeneously solid. Totally cystic schwannomas are rare entities. Herein, we report a 60-year-old male presenting with backache radiating along the chest wall and weakness of both lower limbs. He had spastic paraparesis. Magnetic resonance imaging revealed a cystic mass in the thoracic region. At operation, the cystic mass was seen to be attached to D4 dorsal rootlets. It was excised in toto and histopathology confirmed it to be a schwannoma...
January 2017: Asian Journal of Neurosurgery
https://www.readbyqxmd.com/read/28413401/parkinsonism-in-association-with-dihydropteridine-reductase-deficiency
#13
Yoshiaki Takahashi, Yasuhiro Manabe, Yumiko Nakano, Taijun Yunoki, Syoichiro Kono, Hisashi Narai, Mahoko Furujo, Koji Abe
We report a 16-year-old man with disorders of tetrahydrobiopterin metabolism due to dihydropteridine reductase (DHPR) deficiency. He revealed moderate mental retardation, parkinsonism, and spastic paralysis with levodopa and 5-hydroxytryptophan (5-HTP) supplementation from the age of 2 months. Brain MRI showed high intensity areas in bilateral frontal and posterior deep white matter on fluid-attenuated inversion recovery (FLAIR). Coronal FLAIR image showed a high signal in bilateral pyramidal tracts. Single photon computed tomography (SPECT) imaging of the dopamine transporter was normal...
January 2017: Case Reports in Neurology
https://www.readbyqxmd.com/read/28410453/effects-of-acupuncture-on-gait-of-patients-with-multiple-sclerosis
#14
Maria Begoña Criado, Maria João Santos, Jorge Machado, Arminda Manuela Gonçalves, Henry Johannes Greten
Multiple sclerosis is considered a complex and heterogeneous disease. Approximately 85% of patients with multiple sclerosis indicate impaired gait as one of the major limitations in their daily life. Acupuncture studies found a reduction of spasticity and improvement of fatigue and imbalance in patients with multiple sclerosis, but there is a lack of studies regarding gait. We designed a study of acupuncture treatment, according to the Heidelberg model of Traditional Chinese Medicine (TCM), to investigate if acupuncture can be a useful therapeutic strategy in patients with gait impairment in multiple sclerosis of relapsing-remitting type...
April 14, 2017: Journal of Alternative and Complementary Medicine: Research on Paradigm, Practice, and Policy
https://www.readbyqxmd.com/read/28410448/il17a-polymorphism-is-not-associated-with-human-t-lymphotropic-virus-1-associated-myelopathy-tropical-spastic-paraparesis
#15
Heytor V P C Neco, Vanessa G S Teixeira, Ana C L Trindade, Paula M R Magalhães, Virgínia M B Lorena, Luydson R Vasconcelos, Patricia M M F Moura, Clarice N L Morais
The human T-lymphotropic virus 1 (HTLV-1) is the causative agent of HTLV-1-associated myelopathy/tropical spastic paraparesis (HAM/TSP). The present study investigated the association between the rs2275913 polymorphism in the IL17A gene and the development of HAM/TSP. Peripheral blood samples were collected from 116 patients (29 symptomatic patients with HAM/TSP and 87 asymptomatic) with a positive diagnosis of HTLV-1. The single nucleotide polymorphism genotyping was carried out by real time quantitative PCR (RT-qPCR) using TaqMan(®) probes...
April 14, 2017: Viral Immunology
https://www.readbyqxmd.com/read/28409910/pathogenicity-of-two-coq7-mutations-and-responses-to-2-4-dihydroxybenzoate-bypass-treatment
#16
Ying Wang, Christopher Smith, Jillian S Parboosingh, Aneal Khan, Micheil Innes, Siegfried Hekimi
Primary ubiquinone (co-enzyme Q) deficiency results in a wide range of clinical features due to mitochondrial dysfunction. Here, we analyse and characterize two mutations in the ubiquinone biosynthetic gene COQ7. One mutation from the only previously identified patient (V141E), and one (L111P) from a 6-year-old girl who presents with spasticity and bilateral sensorineural hearing loss. We used patient fibroblast cell lines and a heterologous expression system to show that both mutations lead to loss of protein stability and decreased levels of ubiquinone that correlate with the severity of mitochondrial dysfunction...
April 13, 2017: Journal of Cellular and Molecular Medicine
https://www.readbyqxmd.com/read/28406070/an-investigation-of-the-relationship-between-autonomic-dysreflexia-and-intrathecal-baclofen-in-patients-with-spinal-cord-injury
#17
Anna Sophia Del Fabro, Melvin Mejia, Gregory Nemunaitis
OBJECTIVE: To study the relationship between autonomic dysreflexia and intrathecal baclofen in patients with spinal cord injury. DESIGN: Retrospective chart review. SETTING: Inpatient and outpatient acute rehabilitation facility. PARTICIPANTS: Thirty-four subjects. INTERVENTIONS: We reviewed patients' medical records to ascertain the presence of symptomatic autonomic dysreflexia (AD) prior to and after implantation of an intrathecal baclofen (ITB) pump for spasticity in spinal cord injury patients...
April 13, 2017: Journal of Spinal Cord Medicine
https://www.readbyqxmd.com/read/28403842/outcomes-of-autologous-bone-marrow-mononuclear-cells-for-cerebral-palsy-an-open-label-uncontrolled-clinical-trial
#18
Liem Thanh Nguyen, Anh Tuan Nguyen, Chinh Duy Vu, Doan V Ngo, Anh V Bui
BACKGROUND: Stem cell therapy has emerged as a promising method for improving motor function of patients with cerebral palsy. The aim of this study is to assess the safety and effectiveness of autologous bone marrow mononuclear stem cell transplantation in patients with cerebral palsy related to oxygen deprivation. METHODS: An open label uncontrolled clinical trial was carried out at Vinmec International Hospital. The intervention consisted of two administrations of stem cells, the first at baseline and the second 3 months later...
April 12, 2017: BMC Pediatrics
https://www.readbyqxmd.com/read/28401319/training-charter-in-spasticity-neurosurgery-added-competence
#19
REVIEW
D E Sakas, J K Krauss, J Regis, M Scerrati, J van Loon, M Sindou, P Mertens
No abstract text is available yet for this article.
April 11, 2017: Acta Neurochirurgica
https://www.readbyqxmd.com/read/28401027/beneficial-effects-of-childhood-selective-dorsal-rhizotomy-in-adulthood
#20
T S Park, Caleb Edwards, Jenny L Liu, Deanna M Walter, Matthew B Dobbs
 Selective dorsal rhizotomy (SDR) has been used to treat children with spastic cerebral palsy (CP) for over three decades. However, little is known about the outcomes of childhood SDR in adults.  Objectives: 1) To study the effects of childhood SDR on the quality of life and ambulatory function in adult life. 2) To determine late side effects of SDR in adults.   Methods: Adults (> 17.9 years) who underwent SDR in childhood (2 - 17.9 years) between 1987 and 2013 were surveyed in 2015. Patients completed a survey, including questions on demographic information, quality of life, health, surgical outcomes, motor function, manual ability, pain, braces/orthotics, post-SDR treatment, living situation, education level, work status, and side effects of SDR...
March 5, 2017: Curēus
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