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Neuropathy investigation

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https://www.readbyqxmd.com/read/28442382/relationship-between-sensorimotor-peripheral-nerve-function-and-indicators-of-cardiovascular-autonomic-function-in-older-adults-from-the-health-aging-and-body-composition-study
#1
Brittney S Lange-Maia, Anne B Newman, John M Jakicic, Jane A Cauley, Robert M Boudreau, Ann V Schwartz, Eleanor M Simonsick, Suzanne Satterfield, Aaron I Vinik, Sasa Zivkovic, Tamara B Harris, Elsa S Strotmeyer
BACKGROUND: Age-related peripheral nervous system (PNS) impairments are highly prevalent in older adults. Although sensorimotor and cardiovascular autonomic function have been shown to be related in persons with diabetes, the nature of the relationship in general community-dwelling older adult populations is unknown. METHODS: Health, Aging and Body Composition participants (n=2399, age=76.5±2.9years, 52% women, 38% black) underwent peripheral nerve testing at the 2000/01 clinic visit...
April 22, 2017: Experimental Gerontology
https://www.readbyqxmd.com/read/28440673/mechanisms-of-craniofacial-pain
#2
Juliana Geremias Chichorro, Frank Porreca, Barry Sessle
Aim To provide an overview of mechanisms underlying craniofacial pain; to highlight peripheral and central adaptations that may promote chronification of pain in craniofacial pain states such as migraine and temporomandibular disorders (TMD). Background Pain is a common symptom associated with disorders involving craniofacial tissues including the teeth and their supporting structures, the temporomandibular joint and the muscles of the head. Most acute painful craniofacial conditions are easily recognized and well managed, but others, especially those that are chronic (e...
January 1, 2017: Cephalalgia: An International Journal of Headache
https://www.readbyqxmd.com/read/28436376/carpal-tunnel-syndrome-symptoms-causes-and-treatment-options-literature-reviev
#3
Radoslav Zamborsky, Milan Kokavec, Lukas Simko, Martin Bohac
Carpal Tunnel Syndrome (CTS) is the most common form of entrapment neuropathy. Several authors have investigated the anatomical and pathophysiological features of CTS and have identified several parameters that, in combination, play a significant role in its pathophysiology. Advancement in biological research on CTS has enabled the advent of efficient diagnostic techniques such as provocative tests and nerve conduction studies. Sophisticated technologies, such as magnetic resonance imaging (MRI) and ultrasonography (US), have facilitated the diagnosis of CTS...
January 26, 2017: Ortopedia, Traumatologia, Rehabilitacja
https://www.readbyqxmd.com/read/28436077/neuroprotective-effect-of-epidermal-growth-factor-in-experimental-acrylamide-neuropathy-an-electrophysiological-approach
#4
H Perez-Saad, N Subiros, J Berlanga, L Aldana, D Garcia Del Barco
The neuroprotective effect of epidermal growth factor (EGF) has been documented in different contexts, but its potential benefits in peripheral neuropathies have been little studied. We investigated the neuroprotective action of EGF in experimental neuropathy induced by acrylamide (ACR). Mice and rats were treated chronically with acrylamide for 6 and 8 weeks, respectively. Concurrently they received EGF in daily doses of 1 and 5 mg/kg in mice and 3 mg/kg in rats, or saline (PBS). ACR severely affected the neurological score, the muscle strength, and the muscle potential M, in mice, as well as F-waves, sensory potentials (SP), and apomorphine-induced penile erection, in rats...
April 24, 2017: Journal of the Peripheral Nervous System: JPNS
https://www.readbyqxmd.com/read/28433438/analgesic-effects-of-transcutaneous-ultrasound-nerve-stimulation-in-a-rat-model-of-oxaliplatin-induced-mechanical-hyperalgesia-and-cold-allodynia
#5
Yueh-Ling Hsieh, Han-Yu Chen, Ching-Hsiang Yang, Chen-Chia Yang
This study investigated the effects and underlying mechanisms of therapeutic ultrasound (TUS) in a rat model of oxaliplatin-induced peripheral neuropathy. Animals received a total of eight injections with oxaliplatin (4 mg/kg), administered at 3-d intervals. TUS intervention (1 MHz, 0.5 W/cm(2)) started on the fifth oxaliplatin administration and continued for 10 consecutive d. Sensory behavioral examinations, protein levels of transient receptor potential channels (TRPM8 and TRPV1) in dorsal root ganglia (DRG) and substance P (SP) in spinal dorsal horn were examined...
April 19, 2017: Ultrasound in Medicine & Biology
https://www.readbyqxmd.com/read/28431433/experimental-anterior-ischemic-optic-neuropathy-in-diabetic-mice-exhibited-severe-retinal-swelling-associated-with-vegf-elevation
#6
Ming-Hui Sun, Mohammad Ali Shariati, Yaping Joyce Liao
Purpose: Diabetes mellitus (DM) is one of the most important risk factors for nonarteritic anterior ischemic optic neuropathy (AION). In this study, we investigated for the first time the impact of experimental AION in a DM model. Methods: We induced a photochemical thrombosis model of AION after streptozotocin-induced DM and performed serial optical coherence tomography (OCT), morphometric analyses, and VEGF levels in the retina and sera. Results: Compared with non-DM animals, experimental AION in DM mice led to significantly greater retinal swelling on day 1 and worse thinning at week 3 on OCT measurements...
April 1, 2017: Investigative Ophthalmology & Visual Science
https://www.readbyqxmd.com/read/28429469/high-body-mass-and-kidney-dysfunction-relate-to-worse-nerve-function-even-in-adults-without-neuropathy
#7
Rens Hanewinckel, M Arfan Ikram, Oscar H Franco, Albert Hofman, Judith Drenthen, Pieter A van Doorn
Polyneuropathy is a prevalent and disabling disorder. Despite extensive evaluation, the cause often remains unknown. Factors that predispose for the development of polyneuropathy need to be identified. We investigated the effect of anthropometric and metabolic factors on peripheral nerve function in 908 participants of the population-based Rotterdam Study without any symptoms or signs of polyneuropathy. Participants underwent nerve conduction studies of the sural and peroneal nerve. Data on age, height, weight, waist circumference, diabetes, lipid levels, hypertension and kidney function were collected...
April 20, 2017: Journal of the Peripheral Nervous System: JPNS
https://www.readbyqxmd.com/read/28427356/postural-effects-on-intraocular-pressure-and-ocular-perfusion-pressure-in-patients-with-non-arteritic-anterior-ischemic-optic-neuropathy
#8
Jee Myung Yang, Sang Woo Park, Yong Sok Ji, Jaeryung Kim, Chungkwon Yoo, Hwan Heo
BACKGROUND: To investigate postural effects on intraocular pressure (IOP) and ocular perfusion pressure (OPP) in patients with non-arteritic ischemic optic neuropathy (NAION). METHODS: IOP and blood pressure (BP) were measured in 20 patients with unilateral NAION 10 min after changing to each of the following positions sequentially: sitting, supine, right lateral decubitus position (LDP), supine, left LDP, and supine. IOP was measured using a rebound tonometer and OPP was calculated using formulas based on mean BP...
April 20, 2017: BMC Ophthalmology
https://www.readbyqxmd.com/read/28427216/the-challenge-in-treating-locally-recurrent-t3-4-nasopharyngeal-carcinoma-the-survival-benefit-and-severe-late-toxicities-of-re-irradiation-with-intensity-modulated-radiotherapy
#9
Yun-Ming Tian, Wei-Zeng Huang, Xia Yuan, Li Bai, Chong Zhao, Fei Han
BACKGROUND: Effective treatments for patients with advanced locally recurrent nasopharyngeal carcinoma (NPC) are limited. This investigation was to determine the potential benefits from re-irradiation by intensity-modulated radiotherapy (IMRT) on survival and the effects of severe late toxicities. METHODS: A retrospective study was conducted in 245 patients diagnosed with locally recurrent T3-T4 NPC who had undergone re-irradiation with IMRT. Follow-up data was colletedand factors associated with survival and severe late toxicities were analyzed...
March 4, 2017: Oncotarget
https://www.readbyqxmd.com/read/28423567/cxcr1-2-pathways-in-paclitaxel-induced-neuropathic-pain
#10
Laura Brandolini, Elisabetta Benedetti, Pier Adelchi Ruffini, Roberto Russo, Loredana Cristiano, Andrea Antonosante, Michele d'Angelo, Vanessa Castelli, Antonio Giordano, Marcello Allegretti, Annamaria Cimini
Chemotherapy-induced peripheral neuropathy (CIPN) is a type of neuropathic pain that represents a frequent and serious consequence of chemotherapy agents. Over the last years, significant progress has been achieved in elucidating the underlying pathogenesis of CIPN. The interference of taxanes with microtubule has been proposed as a mechanism that leads to altered axonal transport and to permanent neurological damages. The inflammatory process activated by chemotherapeutic agents has been considered as a potential trigger of nociceptive process in CIPN...
April 4, 2017: Oncotarget
https://www.readbyqxmd.com/read/28420434/the-neuroprotective-effects-of-human-bone-marrow-mesenchymal-stem-cells-are-dose-dependent-in-tnbs-colitis
#11
Ainsley M Robinson, Ahmed A Rahman, Sarah Miller, Rhian Stavely, Samy Sakkal, Kulmira Nurgali
BACKGROUND: The incidence of inflammatory bowel diseases (IBD) is increasing worldwide with patients experiencing severe impacts on their quality of life. It is well accepted that intestinal inflammation associates with extensive damage to the enteric nervous system (ENS), which intrinsically innervates the gastrointestinal tract and regulates all gut functions. Hence, treatments targeting the enteric neurons are plausible for alleviating IBD and associated complications. Mesenchymal stem cells (MSCs) are gaining wide recognition as a potential therapy for many diseases due to their immunomodulatory and neuroprotective qualities...
April 18, 2017: Stem Cell Research & Therapy
https://www.readbyqxmd.com/read/28418273/thalidomide-for-epistaxis-in-patients-with-hereditary-hemorrhagic-telangiectasia-a-preliminary-study
#12
Jia Fang, Xiaomeng Chen, Bijun Zhu, Haibo Ye, Weitian Zhang, Jian Guan, Kaiming Su
To evaluate the effectiveness of thalidomide for epistaxis in hereditary hemorrhagic telangiectasia (HHT), 7 HHT patients with recurrent epistaxis were treated with thalidomide at an initial dose of 50 mg/d, gradually increasing to 100 mg/d if needed. The Epistaxis Severity Score (ESS) was used to evaluate the treatment effects. Patients reported that epistaxis improved 1 to 3 weeks after starting thalidomide. The mean ESS before treatment, at the end of treatment, and 3 months after stopping treatment was 5...
April 1, 2017: Otolaryngology—Head and Neck Surgery
https://www.readbyqxmd.com/read/28412705/interferon-%C3%AE-for-induction-and-maintenance-of-remission-in-eosinophilic-granulomatosis-with-polyangiitis-a-single-center-retrospective-observational-cohort-study
#13
Benjamin Seeliger, Martin Förster, Janett Happe, Thomas Forberg, Anne Moeser, Thomas Neumann, Claus Kroegel
OBJECTIVE: Eosinophilic granulomatosis with polyangiitis (EGPA) is characterized by frequent relapses following induction therapy. Interferon-α (IFN-α) can reverse the underlying Th2-driven immune response and has successfully induced remission in previous reports. We undertook this study to investigate its efficacy and safety in patients with EGPA. METHODS: We conducted a retrospective monocentric cohort study including 30 patients (16 women) with active EGPA under IFN-α treatment...
April 15, 2017: Journal of Rheumatology
https://www.readbyqxmd.com/read/28411165/vitamin-d-and-sj%C3%A3-gren-syndrome
#14
REVIEW
Mario Garcia-Carrasco, Erick Alejandro Jiménez-Herrera, Jose Luis Gálvez-Romero, Luis Vázquez de Lara, Claudia Mendoza-Pinto, Ivet Etchegaray-Morales, Pamela Munguía-Realpozo, Alejandro Ruíz-Argüelles, Rosas Jose, Mauricio Vera-Recabarren, Ricard Cervera
The immunomodulatory effects of vitamin D have been extensively studied in the context of autoimmunity. Multiple studies have demonstrated a high prevalence of vitamin D deficiency in autoimmune diseases. Recently, a possible protective role of vitamin D in autoimmunity has been described; however, this function remains controversial. Few studies have investigated the role of vitamin D in patients with Sjögren syndrome (SS). In this review, we compiled the main features of SS pathogenesis, the vitamin D immunomodulatory effects and the possible interaction between both...
April 12, 2017: Autoimmunity Reviews
https://www.readbyqxmd.com/read/28407523/glut1-deficiency-syndrome-report-of-a-four-generation-norwegian-family-with-a-mild-phenotype
#15
Anette Ramm-Pettersen, Karl O Nakken, Kathrine C Haavardsholm, Kaja Kristine Selmer
INTRODUCTION: Glucose transporter type 1 deficiency syndrome (GLUT1-DS) is a rare metabolic encephalopathy with a wide variation of clinical phenotypes. Familial variants are often milder than de novo cases, and may therefore remain undiagnosed. The aim of this study was to characterize the clinical course of GLUT1-DS in a four-generation Norwegian family where the oldest generations had never received any treatment. METHOD: Through interviews and clinical investigations, we characterized a family of 26 members, where 11 members had symptoms strongly suggesting GLUT1-DS...
April 10, 2017: Epilepsy & Behavior: E&B
https://www.readbyqxmd.com/read/28406035/diagnostic-accuracy-of-random-ecg-in-primary-care-for-early-asymptomatic-cardiac-autonomic-neuropathy
#16
Herbert F Jelinek, Marc T P Adam, Robert Krones, David J Cornforth
AIMS: Cardiac autonomic reflex tests (CARTs) are time consuming and require patient cooperation for detecting cardiac autonomic neuropathy (CAN). Heart rate variability (HRV) analysis requires less patient cooperation and is quicker to complete. However the reliability of HRV results as a clinical tool, with respect to length of recording and accuracy of diagnosis is inconclusive. The current study investigated the reproducibility associated with varying length of recording for early CAN (eCAN) assessment...
April 1, 2017: Journal of Diabetes Science and Technology
https://www.readbyqxmd.com/read/28404507/paclitaxel-inhibits-the-activity-and-membrane-localization-of-pkc%C3%AE-and-pkc%C3%AE-i-ii-to-elicit-a-decrease-in-stimulated-calcitonin-gene-related-peptide-release-from-cultured-sensory-neurons
#17
Lisa M Darby, Hongdi Meng, Jill C Fehrenbacher
Peripheral neuropathy is a dose-limiting and debilitating side effect of the chemotherapeutic drug, paclitaxel. Consequently, elucidating the mechanisms by which this drug alters sensory neuronal function is essential for the development of successful therapeutics for peripheral neuropathy. We previously demonstrated that chronic treatment with paclitaxel (3-5days) reduces neuropeptide release stimulated by agonists of TRPV1. Because the activity of TRPV1 channels is modulated by conventional and novel PKC isozymes (c/nPKC), we investigated whether c/nPKC mediate the loss of neuropeptide release following chronic treatment with paclitaxel (300nM; 3 and 5days)...
April 9, 2017: Molecular and Cellular Neurosciences
https://www.readbyqxmd.com/read/28404157/nab-paclitaxel-versus-solvent-based-paclitaxel-in-patients-with-previously-treated-advanced-gastric-cancer-absolute-an-open-label-randomised-non-inferiority-phase-3-trial
#18
Kohei Shitara, Atsuo Takashima, Kazumasa Fujitani, Keisuke Koeda, Hiroki Hara, Norisuke Nakayama, Shuichi Hironaka, Kazuhiro Nishikawa, Yoichi Makari, Kenji Amagai, Shinya Ueda, Kazuhiro Yoshida, Hideki Shimodaira, Tomohiro Nishina, Masahiro Tsuda, Yukinori Kurokawa, Takao Tamura, Yasutsuna Sasaki, Satoshi Morita, Wasaburo Koizumi
BACKGROUND: Weekly administration of solvent-based paclitaxel is one of the standard second-line chemotherapy regimens for advanced gastric cancer. Nanoparticle albumin-bound paclitaxel (nab-paclitaxel) was developed to improve the solubility of paclitaxel and does not need premedication to avoid infusion-related reactions associated with solvent-based paclitaxel. Additionally, higher doses of nab-paclitaxel can be administered over a shorter infusion time and at higher drug concentrations compared with solvent-based paclitaxel...
April 2017: Lancet. Gastroenterology & Hepatology
https://www.readbyqxmd.com/read/28403090/anemia-bilirubin-and-cardiovascular-autonomic-neuropathy-in-patients-with-type-2-diabetes
#19
Jin Ook Chung, Seon-Young Park, Dong Hyeok Cho, Dong Jin Chung, Min Young Chung
To investigate the relationship among anemia, physiological serum bilirubin levels, and cardiovascular autonomic neuropathy (CAN) in subjects with type 2 diabetes. In total, 2230 subjects with type 2 diabetes were evaluated in this cross-sectional study. CAN was diagnosed with a cardiovascular reflex test. The prevalence of anemia was greater in subjects with CAN. In multivariable analysis, the relationship between anemia and CAN remained statistically significant after adjusting for the risk factors (odds ratio [OR] 1...
April 2017: Medicine (Baltimore)
https://www.readbyqxmd.com/read/28400846/lifestyle-related-factors-in-the-self-management-of-chemotherapy-induced-peripheral-neuropathy-in-colorectal-cancer-a-systematic-review
#20
REVIEW
Tess M E Derksen, Martijn J L Bours, Floortje Mols, Matty P Weijenberg
Background. Chemotherapy-induced peripheral neuropathy (CIPN) is a common adverse effect of chemotherapy treatment in colorectal cancer (CRC), negatively affecting the daily functioning and quality of life of CRC patients. Currently, there are no established treatments to prevent or reduce CIPN. The purpose of this systematic review was to identify lifestyle-related factors that can aid in preventing or reducing CIPN, as such factors may promote self-management options for CRC patients suffering from CIPN. Methods...
2017: Evidence-based Complementary and Alternative Medicine: ECAM
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