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https://www.readbyqxmd.com/read/29159909/essential-role-of-brain-derived-neurotrophic-factor-bdnf-in-diabetic-erectile-dysfunction
#1
L Hu, S Qi, K Zhang, Q Fu
Erectile dysfunction (ED) is a worldwide problem threatens men's health. The incidence of ED in diabetic patients is higher than that in the healthy population. The incidence of peripheral and autonomic neuropathy is significantly higher in diabetic patients than in normal men. Vasomotor nerves play an important role in the regulation of erectile function. Degeneration of autonomic and sensory nerves is a common type of diabetic neuropathy (DNP) and is closely related to erectile function. Brain-derived neurotrophic factor (BDNF) has been demonstrated to improve diabetic erectile dysfunction in rat models and in humans...
November 21, 2017: Andrologia
https://www.readbyqxmd.com/read/29159464/anti-mag-associated-cerebellar-ataxia-and-response-to-rituximab
#2
Panagiotis Zis, Dasappaiah Ganesh Rao, Nigel Hoggard, Ptolemaios Georgios Sarrigiannis, Marios Hadjivassiliou
BACKGROUND: Myelin-associated glycoprotein (MAG) is a glycoprotein specific to Schwann cells. Schwann cells produce myelin for nerve cells in the peripheral nervous system. MAG also plays a role in the central nervous system (CNS) by maintaining myelin integrity and inhibiting axonal regeneration from cerebellar neurons. There is a well-established link between distal demyelinating neuropathy and anti-MAG antibodies in patients with monoclonal gammopathy of unknown significance. We describe a series of five patients with anti-MAG antibodies with evidence of cerebellar rather than just sensory ataxia and our experience of treatment with rituximab...
November 20, 2017: Journal of Neurology
https://www.readbyqxmd.com/read/29159194/multigeneration-family-with-dominant-spg30-hereditary-spastic-paraplegia
#3
Ricardo H Roda, Alice B Schindler, Craig Blackstone
Autosomal recessive KIF1A missense mutations cause hereditary spastic paraplegia (HSP) type SPG30, while recessive truncations lead to sensory and autonomic neuropathy (HSN2C) and many de novo missense mutations are associated with cognitive impairment. Here, we describe family members across three generations with pure HSP. A heterozygous p.Ser69Leu KIF1A mutation segregates with those afflicted. The same variant was previously reported in a Finnish father and son with pure HSP as well as four members of a Sicilian kindred with more intrafamilial phenotypic variability...
November 2017: Annals of Clinical and Translational Neurology
https://www.readbyqxmd.com/read/29157616/the-peripheral-neuropathies-of-poems-syndrome-and-castleman-disease
#4
REVIEW
Michelle L Mauermann
Polyneuropathy, organomegaly, endocrinopathy, monoclonal plasma cell disorder, skin changes (POEMS) syndrome is a rare paraneoplastic disorder. The polyneuropathy can be the presenting symptom and is typically a painful, motor-predominant polyradiculoneuropathy often mimicking chronic inflammatory demyelinating polyradiculoneuropathy. The presence of a lambda monoclonal protein, elevated vascular endothelial growth factor, systemic features, and treatment resistance are clues to the diagnosis. Castleman disease (CD) is seen in a subset of these patients, and when present the neuropathy is similar but less severe...
February 2018: Hematology/oncology Clinics of North America
https://www.readbyqxmd.com/read/29154979/small-fiber-neuropathy-diagnosis-causes-and-treatment
#5
Damien Sène
Small fiber neuropathy, which affects the sensory A≏ and C fibers, is now a major diagnostic and therapeutic challenge. Nearly 7% of the general population have chronic neuropathic pain responsible for severe quality-of-life impairments. Awareness must therefore be raised among clinicians of the somatosensory and autonomic symptoms that can reveal small fiber neuropathy, appropriate diagnostic investigations, most common causes, and best treatment options for each patient profile. To help achieve this goal, the present review article discusses the clinical presentation of neuropathic pain and paresthesia and/or autonomic dysfunction due to involvement of nerves supplying exocrine glands and smooth muscle; normal findings from standard electrophysiological investigations; most informative diagnostic tests (epidermal nerve fiber density in a skin biopsy, laser-evoked potentials, heat- and cold-detection thresholds, electrochemical skin conductance); main causes, which consist chiefly of metabolic diseases (diabetes mellitus, glucose intolerance), dysimmunity syndromes (Sjögren's syndrome, sarcoidosis, monoclonal gammopathy), and genetic abnormalities (familial amyloidosis due to a transthyretin mutation, Fabry disease, sodium channel diseases); and the available symptomatic and etiological treatments...
November 15, 2017: Joint, Bone, Spine: Revue du Rhumatisme
https://www.readbyqxmd.com/read/29154235/the-use-of-neurodynamic-techniques-in-the-conservative-treatment-of-carpal-tunnel-syndrome-a-critical-appraisal-of-the-literature
#6
Tomasz Wolny
BACKGROUND: Carpal tunnel syndrome (CTS) is the most common peripheral neuropathy, characterized by the presence of many sensory and motor abnormalities. In the physiotherapy of patients with CTS, neurodynamic tech-niques are very common, while the scientific literature does not show clear evidence of beneficial effects obtained by using these techniques. Therefore, the aim of this work was to critically evaluate the use of neurodynamic techniques in the conservative treatment of CTS...
October 31, 2017: Ortopedia, Traumatologia, Rehabilitacja
https://www.readbyqxmd.com/read/29153916/a-case-with-cmtx1-disease-showing-transient-ischemic-attack-like-episodes
#7
Zehra Aktan, Nihan Hande Akcakaya, Pinar Tekturk, Engin Deniz, Bahar Koyuncu, Zuhal Yapici
Charcot-Marie-Tooth (CMT) disease is a hereditary neurologic disease which affects the sensorial and motor fibers of the peripheral nerves. CMTX1 is an X-linked dominantly inherited subtype of CMT and is caused by mutations in gap junction beta 1 gene (GJB1). A small proportion of GJB1 mutations are associated with recurrent central nervous system findings. We describe a 15-year-old male patient with CMTX1 who had stroke-like findings along with foot deformities and peripheral neuropathy. Strokes and stroke-like attacks are rarely seen in children and adolescents...
November 9, 2017: Neurologia i Neurochirurgia Polska
https://www.readbyqxmd.com/read/29153605/associations-between-tumor-necrosis-factor-%C3%AE-gene-polymorphisms-and-the-risk-of-guillain-barr%C3%A3-syndrome-and-its-subtypes-a-systematic-review-and-meta-analysis
#8
Ju Liu, Zhiyun Lian, Hongxi Chen, Ziyan Shi, Huiru Feng, Qin Du, Qin Zhang, Hongyu Zhou
This meta-analysis aimed to assess the relationship between tumor necrosis factor-α (TNF-α) polymorphisms and Guillain-Barré syndrome (GBS) or its subtypes of acute inflammatory demyelinating polyneuropathy (AIDP), acute motor axonal neuropathy (AMAN), and acute motor-sensory axonal neuropathy (AMSAN). A total of six studies with 1013 cases and 1029 controls were included. Our pooled data indicated that TNF-α 308G/A polymorphism was significantly associated with GBS, AMAN, and AMSAN but not with AIDP; TNF-α 857C/T polymorphism was significantly associated with AMAN but not with GBS or AIDP...
December 15, 2017: Journal of Neuroimmunology
https://www.readbyqxmd.com/read/29147011/lower-serum-extracellular-superoxide-dismutase-levels-are-associated-with-polyneuropathy-in-recent-onset-diabetes
#9
Alexander Strom, Kirti Kaul, Jutta Brüggemann, Iris Ziegler, Ilka Rokitta, Sonja Püttgen, Julia Szendroedi, Karsten Müssig, Michael Roden, Dan Ziegler
Increased oxidative stress is implicated in the pathogenesis of experimental diabetic neuropathy, but translational evidence in recent-onset diabetes is scarce. We aimed to determine whether markers of systemic oxidative stress are associated with diabetic sensorimotor polyneuropathy (DSPN) in recent-onset diabetes. In this cross-sectional study, we measured serum concentrations of extracellular superoxide dismutase (SOD3), thiobarbituric acid reactive substances (TBARS), and reduced glutathione (GSH) in 107 type 1 and 215 type 2 diabetes patients from the German Diabetes Study baseline cohort and 37 glucose-tolerant individuals (controls)...
November 17, 2017: Experimental & Molecular Medicine
https://www.readbyqxmd.com/read/29145316/application-of-ultrasound-guided-c5-nerve-root-block-using-polydeoxyribonucleotide-in-traumatic-c5-nerve-root-injury-caused-by-fracture-of-the-articular-process-of-the-cervical-spine-a-case-report
#10
Donghwi Park
RATIONALE: Cervical nerve root injury is one of the complications of traumatic cervical spine fracture. Although one of the most effective treatments to reduce inflammation in nerve root injuries is the use of corticosteroids or nonsteroidal anti-inflammatory drugs (NSAIDs), corticosteroids and NSAIDs can inhibit bone healing. So, when nerve injury accompanies bone fractures, corticosteroids and NSAIDs have limitations as therapeutic agents. However, polydeoxyribonucleotide (PDRN) may be useful in the treatment of neuropathy or musculoskeletal pain patients with contraindication of the use of corticosteroids because of its anti-inflammatory effect, as revealed in previous studies...
November 2017: Medicine (Baltimore)
https://www.readbyqxmd.com/read/29145211/patient-reported-outcome-results-from-the-open-label-randomized-phase-iii-select-bc-trial-evaluating-first-line-s-1-therapy-for-metastatic-breast-cancer
#11
Takuya Kawahara, Kojiro Shimozuma, Takeru Shiroiwa, Yasuhiro Hagiwara, Yukari Uemura, Takanori Watanabe, Naruto Taira, Takashi Fukuda, Yasuo Ohashi, Hirofumi Mukai
OBJECTIVE: To evaluate the effects of S-1, an orally administered 5-FU agent, versus taxane on patient-reported outcomes (PROs) in the SELECT BC trial. METHODS: Patients with HER2-negative and endocrine treatment-resistant breast cancer with metastasis or recurrence after surgery were randomly assigned to receive first-line taxane or S-1. PROs (secondary endpoint) were assessed using the European Organisation for Research and Treatment of Cancer Quality of Life Questionnaire Core 30 (EORTC QLQ-C30) and Patient Neurotoxicity Questionnaire (PNQ) at baseline and at 3, 6, and 12 months...
November 17, 2017: Oncology
https://www.readbyqxmd.com/read/29142460/efficacy-and-safety-of-duloxetine-in-chinese-breast-cancer-patients-with-paclitaxel-induced-peripheral-neuropathy
#12
Jiani Wang, Qing Li, Binghe Xu, Tongtong Zhang, Shanshan Chen, Yang Luo
Objective: Chemotherapy with paclitaxel is associated with significant neurotoxicity that may offset patients' quality of life and therapeutic benefits. This prospective, non-randomized control study evaluated the efficacy and safety of an antidepressant drug, duloxetine, at 30 or 60 mg/d, in the treatment of paclitaxel-induced peripheral neuropathy (PIPN) in Chinese breast cancer patients. Methods: A total of 102 patients with a median age of 50 (range, 25-60) years, treated in the Department of Medical Oncology, National Cancer Center/Cancer Hospital, Chinese Academy of Medical Sciences and Peking Union Medical College, between November 2014 and January 2017 were finally enrolled...
October 2017: Chinese Journal of Cancer Research, Chung-kuo Yen Cheng Yen Chiu
https://www.readbyqxmd.com/read/29140155/persistent-prevention-of-oxaliplatin-induced-peripheral-neuropathy-using-calmangafodipir-pledox-%C3%A2-a-placebo-controlled-randomised-phase-ii-study-pliant
#13
Bengt Glimelius, Nebojsa Manojlovic, Per Pfeiffer, Baadur Mosidze, Galina Kurteva, Mia Karlberg, Devalingam Mahalingam, Peter Buhl Jensen, Jan Kowalski, Marie Bengtson, Malin Nittve, Jacques Näsström
PURPOSE: Oxaliplatin causes disabling acute and chronic peripheral neuropathy. We explored the preventive effects of calmangafodipir, mimicking the mitochondrial enzyme manganese superoxide dismutase, thereby protecting cells from oxidative stress, in a placebo-controlled, double-blinded randomised phase II study (ClinicalTrials.gov.NCT01619423) in patients with metastatic colorectal cancer (mCRC). PATIENT AND METHODS: mCRC patients treated with modified FOLFOX-6 (folinic acid 200 mg/m(2), 5-fluorouracil bolus 400 mg/m(2), oxaliplatin 85 mg/m(2) and 5-fluorouracil 2400 mg/m(2) continuous infusion for 46 h) every fortnight for 8 cycles in first or second line were eligible...
November 15, 2017: Acta Oncologica
https://www.readbyqxmd.com/read/29139278/improving-pain-control-in-diabetic-neuropathy
#14
Peter Paisley, Mick Serpell
Diabetic neuropathy is thought to affect 1.9% of the world’s population and 50% of patients with a diagnosis of diabetes mellitus which would equate to 2.25 million people in the UK. The term diabetic neuropathy includes multiple distinct clinical entities that have been classified under the broad headings of focal and multifocal neuropathies and symmetrical neuropathies. Peripheral diabetic neuropathy, a chronic distal symmetrical predominantly sensory neuropathy, is the most common form of diabetic neuropathy...
March 2017: Practitioner
https://www.readbyqxmd.com/read/29136715/-analysis-of-the-clinical-and-electrophysiological-characteristics-of-multifocal-motor-neuropathy
#15
H F Wang, F Yang, F Cui, Z H Chen, L Ling, X S Huang
Ten patients diagnosed with multifocal motor neuropathy (MMN) were recruited in the Department of Neurology at Chinese PLA General Hospital from January 1, 2009 to August 31, 2015. The clinical and electrophysiological features were analyzed retrospectively. All patients complained of progressive asymmetric limb weakness, which was more severe in distal than in proximal. Five presented muscle atrophy. None had sensory disturbances. All suffered diminished or disappeared tendon reflex, whereas Babinski signs were negative...
November 1, 2017: Zhonghua Nei Ke za Zhi [Chinese Journal of Internal Medicine]
https://www.readbyqxmd.com/read/29129380/evaluation-of-activities-of-daily-living-in-patients-with-slowly-progressive-neuromuscular-diseases
#16
Katarzyna Bienias, Joanna Ścibek, Joanna Cegielska, Jan Kochanowski
Slowly progressive neuromuscular diseases include but are not limited to: facioscapulohumeral muscular dystrophy (FSHD) and limb-girdle muscular dystrophy (LGMD), hereditary motor and sensory neuropathy (HMSN) and spinal muscular atrophy type III (SMA3). The purpose of this study is to present an evaluation of basic and complex activities of daily living in patients suffering from these diseases. The study was conducted on a group of 58 Polish patients: 25 patients with HMSN, 19 with LGMD and FSHD and 14 with SMA3...
October 27, 2017: Neurologia i Neurochirurgia Polska
https://www.readbyqxmd.com/read/29128624/wernicke-korsakoff-syndrome-complicated-by-subacute-beriberi-neuropathy-in-an-alcoholic-patient
#17
Salvatore Di Marco, Laura Pilati, Filippo Brighina, Brigida Fierro, Giuseppe Cosentino
Thiamine (vitamin B1) deficiency is a common condition in alcohol abusers, which can lead to damage of both the peripheral and the central nervous systems. Here we describe the case of an alcoholic patient who presented with acute onset of ataxia, severe weakness of the four limbs, and hypoesthesia and dysesthesia of the distal portion of the upper and lower extremities. The clinical picture also included mental confusion and amnesia. A diagnosis of Wernicke-Korsakoff syndrome was made based on clinical symptoms and brain RMI findings...
November 8, 2017: Clinical Neurology and Neurosurgery
https://www.readbyqxmd.com/read/29127364/comparing-ataxias-with-oculomotor-apraxia-a-multimodal-study-of-aoa1-aoa2-and-at-focusing-on-video-oculography-and-alpha-fetoprotein
#18
L L Mariani, S Rivaud-Péchoux, P Charles, C Ewenczyk, A Meneret, B B Monga, M-C Fleury, E Hainque, T Maisonobe, B Degos, A Echaniz-Laguna, M Renaud, T Wirth, D Grabli, A Brice, M Vidailhet, D Stoppa-Lyonnet, C Dubois-d'Enghien, I Le Ber, M Koenig, E Roze, C Tranchant, A Durr, B Gaymard, M Anheim
Whether the recessive ataxias, Ataxia with oculomotor apraxia type 1 (AOA1) and 2 (AOA2) and Ataxia telangiectasia (AT), can be distinguished by video-oculography and alpha-fetoprotein level remains unknown. We compared 40 patients with AOA1, AOA2 and AT, consecutively referred between 2008 and 2015 with 17 healthy subjects. Video-oculography revealed constant impairments in patients such as cerebellar signs, altered fixation, impaired pursuit, hypometric saccades and abnormal antisaccades. Horizontal saccade latencies could be highly increased reflecting oculomotor apraxia in one third of patients...
November 10, 2017: Scientific Reports
https://www.readbyqxmd.com/read/29125463/pharmacological-augmentation-of-nicotinamide-phosphoribosyltransferase-nampt-protects-against-paclitaxel-induced-peripheral-neuropathy
#19
Peter M LoCoco, April L Risinger, Hudson R Smith, Teresa S Chavera, Kelly A Berg, William P Clarke
Chemotherapy-induced peripheral neuropathy (CIPN) arises from collateral damage to peripheral afferent sensory neurons by anticancer pharmacotherapy, leading to debilitating neuropathic pain. No effective treatment for CIPN exists, short of dose-reduction which worsens cancer prognosis. Here we report that stimulation of nicotinamide phosphoribosyltransferase (NAMPT) produced robust neuroprotection in an aggressive CIPN model utilizing the frontline anticancer drug, paclitaxel (PTX). Daily treatment of rats with the first-in-class NAMPT stimulator, P7C3-A20, prevented behavioral and histologic indicators of peripheral neuropathy, stimulated tissue NAD recovery, improved general health, and abolished attrition produced by a near maximum-tolerated dose of PTX...
November 10, 2017: ELife
https://www.readbyqxmd.com/read/29125108/lipoic-acid-combined-with-epalrestat-versus-lipoic-acid-in-treating-diabetic-peripheral-neuropathy-a-meta-analysis
#20
Xiao-Tong Wang, Hai-Xiong Lin, Shu-Ai Xu, Ying-Kun Lu
Objective To compare the clinical effectiveness of lipoic acid combined with epalrestat versus lipoic acid in treating diabetic peripheral neuropathy(DPN). Methods Randomized controlled trials(RCTs) and clinical controlled trials on lipoic acid versus epalrestat for DPN before February 2016 were searched through five databases:CNKI,CBM,VIP,Wanfang,and PubMed. The quality of the included trials were assessed using Cochrane software and Jadad scores. Data were analyzed with Review Manager 5.3 software. Results Nine studies were included in the analysis...
October 30, 2017: Zhongguo Yi Xue Ke Xue Yuan Xue Bao. Acta Academiae Medicinae Sinicae
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