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https://www.readbyqxmd.com/read/28102815/assessment-of-the-characteristics-and-quality-of-life-of-patients-with-uremic-peripheral-neuropathy%C3%A2
#1
Xiu-Zhi Yu, Shi Lu, Wei Gou, Wei Wang, Shui-Hong Zou, Yin-Xia Han, Wei-Wei Wang, Jin-Yuan Zhang
OBJECTIVES: This study seeks to examine the characteristics and health-related quality of life (HRQL) of patients with uremic peripheral neuropathy. METHODS: Uremic patients undergoing maintenance hemodialysis (MHD) at our hospital were enrolled in this study. Data collection began in January 2011 and ended in June 2011. The patients were divided into two groups, the lesion group (110 cases) and the non-lesion group (168 cases), based on the presence or absence of peripheral neuropathy...
January 19, 2017: Clinical Nephrology
https://www.readbyqxmd.com/read/28102813/intramedullary-amputation-neuroma-a-case-report-and-review-of-the-literature
#2
Laura Stone McGuire, Mandana Behbahini, Sumit Das, David Loeffler, Peter Burger, Herbert Engelhard, Tibor Valyi-Nagy, Ankit Mehta
BACKGROUND AND IMPORTANCE: Amputation neuromas consist of non-neoplastic collections of myelinated axons and Schwann cells and typically arise in injured peripheral nerves. Rarely, however, neuromas occur within the spinal cord. Intramedullary amputation neuromas have been described both with and without a history of trauma within the peripheral nervous system. We report a rare case of an isolated intramedullary spinal cord amputation neuroma. CLINICAL PRESENTATION: This 43-year-old man presented with progressive and severe gait deterioration for ~ 7 years...
January 19, 2017: Clinical Neuropathology
https://www.readbyqxmd.com/read/28102017/priming-the-stump-in-peripheral-nerve-injury-commentary-on-zhang-et%C3%A2-al-2017
#3
John C Elfar
No abstract text is available yet for this article.
January 18, 2017: European Journal of Neuroscience
https://www.readbyqxmd.com/read/28100749/promoted-interaction-of-c-ebp%C3%AE-with-demethylated-cxcr3-gene-promoter-contributes-to-neuropathic-pain-in-mice
#4
Bao-Chun Jiang, Li-Na He, Xiao-Bo Wu, Hui Shi, Wen-Wen Zhang, Zhi-Jun Zhang, De-Li Cao, Chun-Hua Li, Jun Gu, Yong-Jing Gao
: DNA methylation has been implicated in the pathogenesis of chronic pain. However, the specific genes regulated by DNA methylation under neuropathic pain condition remain largely unknown. Here we investigated how chemokine receptor CXCR3 is regulated by DNA methylation and how it contributes to neuropathic pain induced by spinal nerve ligation (SNL) in mice. SNL increased Cxcr3 mRNA and protein expression in the neurons of the spinal cord. Meanwhile, the CpG (5'-cytosine-phosphate-guanine-3') island in the Cxcr3 gene promoter region was demethylated, and the expression of DNA methyltransferase 3b (DNMT3b) was decreased...
January 18, 2017: Journal of Neuroscience: the Official Journal of the Society for Neuroscience
https://www.readbyqxmd.com/read/28100520/evidence-basis-for-using-perineural-dexmedetomidine-to-enhance-the-quality-of-brachial-plexus-nerve-blocks-a-systematic-review-and-meta-analysis-of-randomized-controlled-trials
#5
L Vorobeichik, R Brull, F W Abdallah
BACKGROUND: Dexmedetomidine has been proposed as a perineural local anaesthetic (LA) adjunct to prolong peripheral nerve block duration; however, results from our previous meta-analysis in the setting of brachial plexus block (BPB) did not support its use. Many additional randomized trials have since been published. We thus conducted an updated meta-analysis. METHODS: Randomized trials investigating the addition of dexmedetomidine to LA compared with LA alone (Control) in BPB for upper extremity surgery were sought...
February 2017: British Journal of Anaesthesia
https://www.readbyqxmd.com/read/28100513/loss-of-ranbp2-in-motor-neurons-causes-the-disruption-of-nucleocytoplasmic-and-chemokine-signaling-and-proteostasis-of-hnrnph3-and-mmp28-and-the-development-of-amyotrophic-lateral-sclerosis-als-like-syndromes
#6
Kyoung-In Cho, Dosuk Yoon, Sunny Qiu, Zachary Danziger, Warren M Grill, William C Wetsel, Paulo A Ferreira
The pathogenic drivers of sporadic and familial motor neuron disease (MND), such ALS, are unknown. MND impair the Ran GTPase cycle, which controls nucleocytoplasmic transport, ribostasis and proteostasis; however, cause-effect mechanisms of Ran GTPase modulators in motoneuron pathobiology are heretofore elusive. The cytosolic and peripheral nucleoporin, Ranbp2, is a critical regulator of the Ran GTPase cycle and proteostasis of neurological disease-prone substrates, but the roles of Ranbp2 in motoneuron biology and disease remain unknown...
January 18, 2017: Disease Models & Mechanisms
https://www.readbyqxmd.com/read/28099193/the-effect-of-peripheral-nerve-stimulation-on-shoulder-biomechanics-a-randomized-controlled-trial-in-comparison-to-physical-therapy
#7
Richard D Wilson, Jayme S Knutson, Maria E Bennett, John Chae
OBJECTIVE: To establish the effects on shoulder biomechanics from a peripheral nerve stimulation (PNS) treatment compared to physical therapy (PT) in stroke survivors with chronic hemiplegic shoulder pain. DESIGN: Single-site, pilot, randomized controlled trial for adults with chronic shoulder pain after stroke. Participants were randomized to receive a 3-week treatment of single-lead PNS or physical therapy (PT). The outcomes included isometric shoulder abduction strength, pain-free shoulder external rotation range of motion (ROM), delay in initiation and termination of shoulder abduction electromyogram (EMG) activity, and the Fugl-Meyer Motor Assessment (upper extremity section)...
January 17, 2017: American Journal of Physical Medicine & Rehabilitation
https://www.readbyqxmd.com/read/28098683/threading-the-needle-with-peripheral-nerve-blocks-achieving-analgesia-avoiding-neurological-injury
#8
(no author information available yet)
No abstract text is available yet for this article.
February 2017: Anesthesia and Analgesia
https://www.readbyqxmd.com/read/28097464/cdc42-promotes-schwann-cell-proliferation-and-migration-through-wnt-%C3%AE-catenin-and-p38-mapk-signaling-pathway-after-sciatic-nerve-injury
#9
Bin Han, Jun-Ying Zhao, Wu-Tao Wang, Zheng-Wei Li, Ai-Ping He, Xiao-Yang Song
Schwann cells (SCs) are unique glial cells in the peripheral nerve and may secrete multiple neurotrophic factors, adhesion molecules, extracellular matrix molecules to form the microenvironment of peripheral nerve regeneration, guiding and supporting nerve proliferation and migration. Cdc42 plays an important regulatory role in dynamic changes of the cytoskeleton. However, there is a little study referred to regulation and mechanism of Cdc42 on glial cells after peripheral nerve injury. The present study investigated the role of Cdc42 in the proliferation and migration of SCs after sciatic nerve injury...
January 17, 2017: Neurochemical Research
https://www.readbyqxmd.com/read/28096232/pr-957-a-selective-inhibitor-of-immunoproteasome-subunit-low-mw-polypeptide-7-attenuates-experimental-autoimmune-neuritis-by-suppressing-th17-cell-differentiation-and-regulating-cytokine-production
#10
Haijie Liu, Chunxiao Wan, Yanan Ding, Ranran Han, Yating He, Jinting Xiao, Junwei Hao
Experimental autoimmune neuritis (EAN) is a CD4(+) T cell-mediated autoimmune inflammatory demyelinating disease of the peripheral nervous system. It has been replicated in an animal model of human inflammatory demyelinating polyradiculoneuropathy, Guillain-Barré syndrome. In this study, we evaluated the therapeutic efficacy of a selective inhibitor of the immunoproteasome subunit, low-MW polypeptide 7 (PR-957) in rats with EAN. Our results showed that PR-957 significantly delayed onset day, reduced severity and shortened duration of EAN, and alleviated demyelination and inflammatory infiltration in sciatic nerves...
January 17, 2017: FASEB Journal: Official Publication of the Federation of American Societies for Experimental Biology
https://www.readbyqxmd.com/read/28094765/selective-antagonism-of-muscarinic-receptors-is-neuroprotective-in-peripheral-neuropathy
#11
Nigel A Calcutt, Darrell R Smith, Katie Frizzi, Mohammad Golam Sabbir, Subir K Roy Chowdhury, Teresa Mixcoatl-Zecuatl, Ali Saleh, Nabeel Muttalib, Randy Van der Ploeg, Joseline Ochoa, Allison Gopaul, Lori Tessler, Jürgen Wess, Corinne G Jolivalt, Paul Fernyhough
Sensory neurons have the capacity to produce, release, and respond to acetylcholine (ACh), but the functional role of cholinergic systems in adult mammalian peripheral sensory nerves has not been established. Here, we have reported that neurite outgrowth from adult sensory neurons that were maintained under subsaturating neurotrophic factor conditions operates under cholinergic constraint that is mediated by muscarinic receptor-dependent regulation of mitochondrial function via AMPK. Sensory neurons from mice lacking the muscarinic ACh type 1 receptor (M1R) exhibited enhanced neurite outgrowth, confirming the role of M1R in tonic suppression of axonal plasticity...
January 17, 2017: Journal of Clinical Investigation
https://www.readbyqxmd.com/read/28093942/self-assembling-peptide-nanostructures-on-aligned-poly-lactide-co-glycolide-nanofibers-for-the-functional-regeneration-of-sciatic-nerve
#12
Manasa Nune, Anuradha Subramanian, Uma Maheswari Krishnan, Suraj Sasidhara Kaimal, Swaminathan Sethuraman
AIM: Regeneration of functional peripheral nerve tissue at critical-sized defect requires extracellular matrix analogs impregnated with appropriate biosignals to regulate the cell fate process and subsequent tissue progression. The aim of the study was to develop electrospun aligned nanofibers as architectural analogs integrated with RADA16-I-BMHP1 as biofunctional peptides. MATERIALS & METHODS: Aligned poly(lactide-co-glycolide) (PLGA)-RADA16-I-BMHP1 nanofibers were fabricated and characterized for their in vitro potential using rat Schwann cell line and in vivo potential using a 10 mm sciatic nerve transection rat model...
January 17, 2017: Nanomedicine
https://www.readbyqxmd.com/read/28093646/mechanisms-of-inhibitory-action-of-trk-130-naltalimide-a-%C3%AE-opioid-receptor-partial-agonist-on-the-micturition-reflex
#13
Morihiro Fujimura, Naoki Izumimoto, Sayoko Kanie, Ryosuke Kobayashi, Satoru Yoshikawa, Shinobu Momen, Mikito Hirakata, Toshikazu Komagata, Satoshi Okanishi, Masashi Iwata, Tadatoshi Hashimoto, Takayuki Doi, Naoki Yoshimura, Koji Kawai
PURPOSE: To clarify the mechanism of inhibitory action of TRK-130 (Naltalimide), a unique µ-opioid receptor partial agonist, on the micturition reflex. METHODS: The effect of TRK-130 on isovolumetric rhythmic bladder contractions (RBCs) was examined in guinea pigs, the effect of which was clarified by co-treatment with naloxone or in spinal cord transection. The effect of TRK-130 on urodynamic parameters was also observed in guinea pigs. In addition, the effect of TRK-130 on bladder contraction induced by peripheral stimulation of the pelvic nerve was investigated in rats...
January 16, 2017: International Urology and Nephrology
https://www.readbyqxmd.com/read/28093344/unusual-intracerebral-presentation-of-a-myxoid-neurofibroma-a-case-report
#14
Marcos Devanir Silva da Costa, Karina Hoshino, João Norberto Stavale, Oreste Paulo Lanzoni, Sergio Cavalheiro, Manoel Antonio Paiva Neto
BACKGROUND: Neurofibromas are benign nerve sheath tumors that usually affect peripheral nerves and are related to Neurofibromatosis type 1; however, they have not been described as a cause of intraparenchymal brain tumor. CASE DESCRIPTION: We report a case of intracranial myxoid neurofibroma in a 19-year-old female patient manifested as an intense and progressive cephalea, followed by nausea, vomiting, and photo- and phonophobia. Computerized tomography and magnetic resonance imaging showed an extent expansive left frontoparietal parafalcine/parasagittal tumor...
January 13, 2017: World Neurosurgery
https://www.readbyqxmd.com/read/28093336/peripheral-nerve-injury-potentiates-excitatory-synaptic-transmission-in-locus-coeruleus-neurons
#15
Kambiz Rohampour, Hossein Azizi, Yaghoub Fathollahi, Saeed Semnanian
Peripheral nerve injury (PNI) is believed to cause maladaptive changes at synaptic level, leading to neuropathic pain which is difficult to treat with common analgesic drugs. Noradrenergic locus coeruleus (LC) neurons have a crucial role in neuropathic pain modulation. In this study we examined whether chronic constriction injury (CCI) could affect glutamatergic synaptic transmission in LC neurons. CCI was performed on P10 to P12 Sprague Dawley pups. Seven days after CCI, horizontal slices of brainstem (300μm thick) were prepared and whole-cell patch clamp recording was performed...
January 13, 2017: Brain Research Bulletin
https://www.readbyqxmd.com/read/28092909/immune-mediated-neuropathies-following-autologous-stem-cell-transplantation-for-multiple-myeloma-case-series-and-review-of-the-literature
#16
Ghulam Rehman Mohyuddin, Jacqueline Uy, Honhar Medhavi, Muhammad Salman Faisal, Muzaffar H Qazilbash
Neuropathy is a common finding in patients with multiple myeloma. Several different factors can cause neuropathy in these patients, such as the underlying disease itself, medications used for treatment, or immune-mediated processes. Immune-mediated neuropathies (IMN) consist of a heterogeneous spectrum of peripheral nerve disorders. Although IMN is associated with several hematological disorders, it remains a very rare complication of hematopoietic stem cell transplantation (HCT). We describe our experiences of 3 patients with multiple myeloma who experienced IMN following autologous HCT (auto-HCT)...
January 17, 2017: Acta Haematologica
https://www.readbyqxmd.com/read/28092622/electroencephalographic-changes-associated-with-non-invasive-nociceptive-stimulus-in-minimally-anaesthetised-dogs
#17
U Kaka, Y M Goh, L W Chean, H C Chen
Electroencephalography (EEG) has been reported as an objective, non-invasive and stress free technique for nociceptive studies. Electrical stimuli can be used to evaluate the efficacy of centrally acting agents. Peripheral nerve stimulator can be a good and cheap source of electric stimulus for studies of nociception, and studies evaluating analgesic effect of drugs under EEG. In this study suitability of peripheral nerve stimulator, and milliamperage for nociceptive studies under electroencephalography were evaluated...
December 1, 2016: Polish Journal of Veterinary Sciences
https://www.readbyqxmd.com/read/28092438/biofunctionalization-of-nerve-interface-via-biocompatible-polymer-roughened-pt-black-on-cuff-electrode-for-chronic-recording
#18
Yi Jae Lee, Han-Jun Kim, Ji Yoon Kang, Sun Hee Do, Soo Hyun Lee
Peripheral nerve cuff electrodes with roughened Pt black (BPt) are coated with polyethylene glycol (PEG) and Nafion (NF). Although the influence of coated PEG and Nafion on roughened BPt on the electrical properties is weak, the cuff electrode with BPt/PEG and BPt/Nafion exhibits some very important properties. For example, it markedly decreases interfacial impedance, increases charge storage capacity (CSC) due to retaining the BPt surface structure, good stability without exfoliation in repetitive cyclic voltammetry scanning because it is protected by PEG or Nafion coating...
January 16, 2017: Advanced Healthcare Materials
https://www.readbyqxmd.com/read/28092318/opening-injection-pressure-is-higher-in-intraneural-compared-with-perineural-injections-during-simulated-nerve-blocks-of-the-lower-limb-in-fresh-human-cadavers
#19
Kris Vermeylen, Marlies Hermans, Filiep Soetens, Evie Vereecke, Thorsten Steinfeldt, Gerbrand Groen, Admir Hadzic, Marc Van de Velde
BACKGROUND AND OBJECTIVES: Needle-induced nerve trauma and intraneural injection can lead to neurologic injury during peripheral nerve blocks. In this study, we assessed the utility of opening injection pressure (OIP), time to OIP, and rate of rise to OIP in detecting needle-nerve contact and intraneural injection. METHODS: Five common ultrasound-guided blocks of the femoral, saphenous, subgluteal sciatic, tibial, and common peroneal nerves were simulated in 10 fresh cadavers...
January 13, 2017: Regional Anesthesia and Pain Medicine
https://www.readbyqxmd.com/read/28091773/the-nervous-system-of-airways-and-its-remodeling-in-inflammatory-lung-diseases
#20
REVIEW
Katrin Julia Audrit, Lucas Delventhal, Öznur Aydin, Christina Nassenstein
Inflammatory lung diseases are associated with bronchospasm, cough, dyspnea and airway hyperreactivity. The majority of these symptoms cannot be primarily explained by immune cell infiltration. Evidence has been provided that vagal efferent and afferent neurons play a pivotal role in this regard. Their functions can be altered by inflammatory mediators that induce long-lasting changes in vagal nerve activity and gene expression in both peripheral and central neurons, providing new targets for treatment of pulmonary inflammatory diseases...
January 14, 2017: Cell and Tissue Research
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