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https://www.readbyqxmd.com/read/28645526/injury-induced-gp130-cytokine-signaling-in-peripheral-ganglia-is-reduced-in-diabetes-mellitus
#1
Jon P Niemi, Angela R Filous, Alicia DeFrancesco, Jane A Lindborg, Nisha A Malhotra, Gina N Wilson, Bowen Zhou, Samuel D Crish, Richard E Zigmond
Neuropathy is a major diabetic complication. While the mechanism of this neuropathy is not well-understood, it is believed to result in part from deficient nerve regeneration. Work from our laboratory established that gp130 family of cytokines are induced in animals after axonal injury and are involved in the induction of regeneration-associated genes (RAGs) and in the conditioning lesion response. Here, we examine whether a reduction of cytokine signaling occurs in diabetes. Streptozotocin (STZ) was used to destroy pancreatic β cells, leading to chronic hyperglycemia...
June 20, 2017: Experimental Neurology
https://www.readbyqxmd.com/read/28644253/spectrum-of-autonomic-nervous-system-impairment-in-sj%C3%A3-gren-syndrome
#2
Brent P Goodman, Amy Crepeau, Priya S Dhawan, Julie A Khoury, Lucinda A Harris
OBJECTIVE: To describe the spectrum of autonomic dysfunction in a uniformly evaluated cohort of patients with Sjögren syndrome. METHODS: A series of 13 patients underwent a comprehensive evaluation for suspected autonomic impairment, including a neurological examination, autonomic testing, and laboratory studies. A diagnosis of Sjögren syndrome was established as the cause of autonomic dysfunction in all. Clinical features, findings on autonomic testing, and laboratory results are described...
July 2017: Neurologist
https://www.readbyqxmd.com/read/28642160/a-novel-missense-variant-gln220arg-of-gnb4-encoding-guanine-nucleotide-binding-protein-subunit-beta-4-in-a-japanese-family-with-autosomal-dominant-motor-and-sensory-neuropathy
#3
Shiroh Miura, Takuya Morikawa, Ryuta Fujioka, Kazuhito Noda, Kengo Kosaka, Takayuki Taniwaki, Hiroki Shibata
Dominant intermediate Charcot-Marie-Tooth disease F (CMTDIF) is an autosomal dominant hereditary form of Charcot-Marie-Tooth disease (CMT) caused by variations in the guanine nucleotide-binding protein, subunit beta-4 gene (GNB4). We examined two Japanese familial cases with CMT. Case 1 was a 49-year-old male whose chief complaint was slowly progressive gait disturbance and limb dysesthesia that appeared at the age of 47. On neurological examination, he showed hyporeflexia or areflexia, distal limb muscle weakness, and distal sensory impairment with lower dominancy...
June 19, 2017: European Journal of Medical Genetics
https://www.readbyqxmd.com/read/28641335/jumping-mechanography-as-a-complementary-testing-tool-for-motor-function-in-children-with-hereditary-motor-and-sensory-neuropathy
#4
Katharina Vill, Lena Ille, Astrid Blaschek, Rainer Rawer, Mirjam N Landgraf, Lucia Gerstl, Sebastian A Schroeder, Wolfgang Müller-Felber
No abstract text is available yet for this article.
June 22, 2017: Neuropediatrics
https://www.readbyqxmd.com/read/28638341/herbal-medicine-ac591-prevents-oxaliplatin-induced-peripheral-neuropathy-in-animal-model-and-cancer-patients
#5
Xiaolan Cheng, Jiege Huo, Dawei Wang, Xueting Cai, Xiaoyan Sun, Wuguang Lu, Yang Yang, Chunping Hu, Xiaoning Wang, Peng Cao
Oxaliplatin is clinically compelling because of severe peripheral neuropathy. The side effect can result in dosage reductions or even cessation of chemotherapy, and no effective treatments are available. AC591 is a standardized extract of Huangqi Guizhi Wuwu decoction, an herbal formula recorded in "Synopsis of the Golden Chamber" for improving limb numbness and pain. In this study, we investigated whether AC591 could protect against oxaliplatin-induced peripheral neuropathy. To clarify it, a rat model of oxaliplatin-induced peripheral neuropathy was established, and neuroprotective effect of AC591 was studied...
2017: Frontiers in Pharmacology
https://www.readbyqxmd.com/read/28623285/structure-of-the-human-tric-cct-subunit-5-associated-with-hereditary-sensory-neuropathy
#6
Jose H Pereira, Ryan P McAndrew, Oksana A Sergeeva, Corie Y Ralston, Jonathan A King, Paul D Adams
The human chaperonin TRiC consists of eight non-identical subunits, and its protein-folding activity is critical for cellular health. Misfolded proteins are associated with many human diseases, such as amyloid diseases, cancer, and neuropathies, making TRiC a potential therapeutic target. A detailed structural understanding of its ATP-dependent folding mechanism and substrate recognition is therefore of great importance. Of particular health-related interest is the mutation Histidine 147 to Arginine (H147R) in human TRiC subunit 5 (CCT5), which has been associated with hereditary sensory neuropathy...
June 16, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28622911/demyelination-strokes-and-eculizumab-lessons-from-the-congenital-cd59-gene-mutations
#7
Adi Tabib, Netanel Karbian, Dror Mevorach
Neurological symptoms of patients with p.Cys89Tyr mutation in the CD59 gene include recurrent peripheral neuropathy resembling Guillain-Barré syndrome, characterized by sensory-motor demyelinating neuropathy with secondary axonal damage and moderate enhancement of the nerve roots on spine MRI, together with recurrent strokes and retinal involvement. Three additional mutations in CD59, leading to loss of function, have been described, and overall, 12/12 (100%) of patients with any mutation presented with neurological symptoms; 11/12 (92%) patients presented with recurrent peripheral neuropathy, 6/12 (50%) with recurrent strokes, and 1/12 (8%) with retinal involvement...
June 13, 2017: Molecular Immunology
https://www.readbyqxmd.com/read/28620280/pathophysiology-of-chemotherapy-induced-peripheral-neuropathy
#8
REVIEW
Hana Starobova, Irina Vetter
Chemotherapy-induced neuropathy is a common, dose-dependent adverse effect of several antineoplastics. It can lead to detrimental dose reductions and discontinuation of treatment, and severely affects the quality of life of cancer survivors. Clinically, chemotherapy-induced peripheral neuropathy presents as deficits in sensory, motor, and autonomic function which develop in a glove and stocking distribution due to preferential effects on longer axons. The pathophysiological processes are multi-factorial and involve oxidative stress, apoptotic mechanisms, altered calcium homeostasis, axon degeneration and membrane remodeling as well as immune processes and neuroinflammation...
2017: Frontiers in Molecular Neuroscience
https://www.readbyqxmd.com/read/28615897/dorsal-sural-sensory-nerve-action-potential-a-study-for-reference-values
#9
Sweta Chetan Chaudhari, Khushnuma Anil Mansukhani, Alika Sharma, Lajita Balakrishnan, Aarthika Sreenivasan
BACKGROUND: Dorsal sural sensory nerve action potential (SNAP) could help diagnose early or subclinical peripheral neuropathy. OBJECTIVES: To establish reference data for dorsal sural SNAP amplitude, latency, and velocity in healthy participants. MATERIALS AND METHODS: A prospective study was conducted in 45 nerves from healthy participants between 18 and 90 years and stratified into three age groups (a = 18-40 years, b = 41-60 years, and c>60 years)...
April 2017: Annals of Indian Academy of Neurology
https://www.readbyqxmd.com/read/28614189/a-dose-response-study-of-topical-allyl-isothiocyanate-mustard-oil-as-human-surrogate-model-of-pain-hyperalgesia-and-neurogenic-inflammation
#10
H H Andersen, S Lo Vecchio, P Gazerani, L Arendt-Nielsen
Despite being a ubiquitous animal pain model, the natural TRPA1-agonist allyl-isothiocyanate (AITC, also known as "mustard oil") has only been sparsely investigated as a potential human surrogate model of pain, sensitization, and neurogenic inflammation. Its dose-response as an algogenic, sensitizing irritant remains to be elucidated in human skin. Three concentrations of AITC (10%, 50%, 90%) and vehicle (paraffin) were applied for 5 min to 3x3 cm areas on the volar forearms in 14 healthy volunteers, and evoked pain intensity (visual analog scale 0-100 mm) and pain quality were assessed...
June 9, 2017: Pain
https://www.readbyqxmd.com/read/28612296/kinesin-5-blocker-monastrol-protects-against-bortezomib-induced-peripheral-neurotoxicity
#11
Ilja Bobylev, Dominik Peters, Maulik Vyas, Mohammed Barham, Ines Klein, Elke Pogge von Strandmann, Wolfram F Neiss, Helmar C Lehmann
Neurotoxicity is a relevant side effect of bortezomib treatment. Previous reports have shown that the development of peripheral neuropathy caused by anti-neoplastic agents may be a result of reduced axonal transport. Based on evidence from prior studies that the kinesin-5 inhibitor monastrol enhances axonal transport and improves neuronal regeneration, we focused on the neuroprotective role of monastrol during the chemotherapeutic treatment with bortezomib. Prolonged treatment of C57BL/6 mice with bortezomib induced a length-dependent small-fiber neuropathy with axonal atrophy and loss of sensory nerve fibers...
June 13, 2017: Neurotoxicity Research
https://www.readbyqxmd.com/read/28611388/aberrant-plasticity-of-peripheral-sensory-axons-in-a-painful-neuropathy
#12
Takashi Hirai, Yatendra Mulpuri, Yanbing Cheng, Zheng Xia, Wei Li, Supanigar Ruangsri, Igor Spigelman, Ichiro Nishimura
Neuronal cells express considerable plasticity responding to environmental cues, in part, through subcellular mRNA regulation. Here we report on the extensive changes in distribution of mRNAs in the cell body and axon compartments of peripheral sensory neurons and the 3' untranslated region (3'UTR) landscapes after unilateral sciatic nerve entrapment (SNE) injury in rats. Neuronal cells dissociated from SNE-injured and contralateral L4 and L5 dorsal root ganglia were cultured in a compartmentalized system. Axonal and cell body RNA samples were separately subjected to high throughput RNA sequencing (RNA-Seq)...
June 13, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28611204/clinical-and-genome-wide-analysis-of-cisplatin-induced-peripheral-neuropathy-in-survivors-of-adult-onset-cancer
#13
M Eileen Dolan, Omar El Charif, Heather E Wheeler, Eric R Gamazon, Shirin Ardeshir-Rouhani-Fard, Patrick Monahan, Darren R Feldman, Robert Hamilton, David J Vaughn, Clair Beard, Chunkit Fung, Sophie D Fossa, Daniel L Hertz, Taisei Mushiroda, Michiaki Kubo, Lawrence H Einhorn, Nancy Cox, Lois Travis
Our purpose was to characterize the clinical influences, genetic risk factors, and gene mechanisms contributing to persistent cisplatin-induced peripheral neuropathy (CisIPN) in testicular cancer survivors (TCS).<br /><br />Experimental Design: <p>TCS given cisplatin-based therapy completed the validated EORTC QLQ-CIPN20 questionnaire. An ordinal CisIPN phenotype was derived and associations with age, smoking, excess drinking, hypertension, body mass index, diabetes, hypercholesterolemia, cumulative cisplatin dose, and self-reported health were examined for 680 TCS...
June 13, 2017: Clinical Cancer Research: An Official Journal of the American Association for Cancer Research
https://www.readbyqxmd.com/read/28608472/peripheral-neuropathy-in-30-duodopa-patients-with-vitamins-b-supplementation
#14
V Rispoli, V Simioni, J G Capone, N Golfrè Andreasi, F Preda, E Sette, V Tugnoli, M Sensi
OBJECTIVES: Peripheral neuropathy (PN) is a significant concern and potential cause of withdrawal in patients with Parkinson's disease (PD) treated with Levodopa/Carbidopa Intestinal Gel (LCIG) infusion. Vitamin B deficiency and/or hyperhomocysteinemia levodopa-related are considered possible causative factors. In this study, we evaluated PN incidence in LCIG-PD patients treated since the beginning of infusion with vitamins B supplementation. MATERIALS & METHODS: In this prospective open-label pilot study, 30 consecutive patients with PD on LCIG infusion were evaluated with clinical, neurophysiological, and biochemical assessments for a mean follow-up of 42...
June 12, 2017: Acta Neurologica Scandinavica
https://www.readbyqxmd.com/read/28599432/efficacy-and-tolerability-of-nanoparticle-albumin-bound-paclitaxel-in-combination-with-carboplatin-as-a-late-phase-chemotherapy-for-recurrent-and-advanced-non-small-cell-lung-cancer-a-multi-center-study-of-the-fukushima-lung-cancer-association-group-of-surgeons
#15
Mitsunori Higuchi, Hironori Takagi, Yuki Owada, Takuya Inoue, Yuzuru Watanabe, Takumi Yamaura, Mitsuro Fukuhara, Satoshi Muto, Naoyuki Okabe, Yuki Matsumura, Takeo Hasegawa, Atsushi Yonechi, Jun Osugi, Mika Hoshino, Yutaka Shio, Koichi Fujiu, Ryuzo Kanno, Akio Ohishi, Hiroyuki Suzuki, Mitsukazu Gotoh
The present retrospective multi-center study aimed to evaluate the efficacy and feasibility of nanoparticle albumin-bound (nab)-paclitaxel plus carboplatin as a second or late-phase chemotherapy in patients with non-small cell lung cancer (NSCLC). A total of 25 patients with recurrent or advanced NSCLC who had received previous chemotherapy were treated with nab-paclitaxel (70-100 mg/m(2), intravenously) on days 1, 8 and 15 every 28 days with a carboplatin area under the concentration-time curve of 4-6 on day 1...
June 2017: Oncology Letters
https://www.readbyqxmd.com/read/28595831/-charcot-marie-tooth-disease-associated-with-hip-dysplasia-in-an-adolescent
#16
T Langlais, J-C Leonard, C Ursu, C Morin
Charcot-Marie-Tooth disease (CMT) is classified into hereditary motor and sensory neuropathy and can induce severe neuro-orthopaedics deformities, disabling at an early age. Hip dysplasia is present in 6% of CMT patients affecting preferentially CMT1 patients and can appear from the age of 8 years. The pathophysiological is paradoxical because we are confronted with proximal osteoarthritis deformations but genetics research brings use new trail. The main functional complaint is a hip joint pain during walking...
June 5, 2017: Archives de Pédiatrie: Organe Officiel de la Sociéte Française de Pédiatrie
https://www.readbyqxmd.com/read/28594979/use-of-corneal-confocal-microscopy-to-evaluate-small-nerve-fibers-in-patients-with-human-immunodeficiency-virus
#17
Harriet I Kemp, Ioannis N Petropoulos, Andrew S C Rice, Jan Vollert, Christoph Maier, Dietrich Strum, Marc Schargus, Tunde Peto, Scott Hau, Reena Chopra, Rayaz A Malik
Importance: Objective quantification of small fiber neuropathy in patients with human immunodeficiency virus (HIV)-associated sensory neuropathy (HIV-SN) is difficult but needed for diagnosis and monitoring. In vivo corneal confocal microscopy (IVCCM) can quantify small fiber damage. Objective: To establish whether IVCCM can identify an abnormality in corneal nerve fibers and Langerhans cells in patients with and without HIV-SN. Design, Setting, and Participants: This prospective, cross-sectional cohort study was conducted between July 24, 2015, and September 17, 2015...
June 8, 2017: JAMA Ophthalmology
https://www.readbyqxmd.com/read/28593000/ultrasound-and-emg-ncv-study-electromyography-and-nerve-conduction-velocity-correlation-in-diagnosis-of-nerve-pathologies
#18
REVIEW
Shilpa Domkundwar, Gayatri Autkar, S V Khadilkar, Mayur Virarkar
PURPOSE: Nerve disorders are commonly encountered in clinical practice. Ultrasonography (USG) is a useful modality in the evaluation of most of the peripheral and superficial pathologies amenable to penetration by ultrasound. The primary objective is to study the USG findings of various peripheral nerve pathologies and to correlate them with electrophysiological (EMG-NCV) findings. METHOD: 42 patients referred with suspicion of peripheral nervous system affection were evaluated with USG along with EMG-NCV...
June 2017: Journal of Ultrasound
https://www.readbyqxmd.com/read/28584314/is-ulnar-nerve-entrapment-at-wrist-frequent-among-patients-with-carpal-tunnel-syndrome-occupationally-exposed-to-monotype-wrist-movements
#19
Magdalena Lewańska, Jolanta Walusiak-Skorupa
OBJECTIVES: Association between carpal tunnel syndrome (CTS) and ulnar nerve entrapment at wrist remains controversial. The aim of the study has been to investigate the prevalence of Guyon's canal syndrome amongst patients diagnosed with the CTS, occupationally exposed to repetitive wrist movements. MATERIAL AND METHODS: The retrospective analysis of 310 patients (268 females, 42 males) representing the mean age of 52±7 years old hospitalized for the suspected occupational CTS was performed...
December 30, 2016: International Journal of Occupational Medicine and Environmental Health
https://www.readbyqxmd.com/read/28577231/electronic-versus-paper-pencil-methods-for-assessing-chemotherapy-induced-peripheral-neuropathy
#20
Robert Knoerl, Evan Gray, Carrie Stricker, Sandra A Mitchell, Kelsey Kippe, Gloria Smith, William N Dudley, Ellen M Lavoie Smith
PURPOSE: The aim of this study is to examine and compare with the validated, paper/pencil European Organisation for Research and Treatment of Cancer Quality of Life Questionnaire-Chemotherapy-Induced Peripheral Neuropathy Scale (QLQ-CIPN20), the psychometric properties of three electronically administered patient reported outcome (PRO) measures of chemotherapy-induced peripheral neuropathy (CIPN): (1) the two neuropathy items from the National Cancer Institute's Patient-Reported Outcomes version of the Common Terminology Criteria for Adverse Events (PRO-CTCAE), (2) the QLQ-CIPN20, and (3) the 0-10 Neuropathy Screening Question (NSQ)...
June 2, 2017: Supportive Care in Cancer: Official Journal of the Multinational Association of Supportive Care in Cancer
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