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Diabetic neuropathy pain

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https://www.readbyqxmd.com/read/28202580/spinal-disinhibition-in-experimental-and-clinical-painful-diabetic-neuropathy
#1
Andrew G Marshall, Corinne Lee-Kubli, Shazli Azmi, Michael Zhang, Maryam Ferdousi, Teresa Mixcoatl-Zecuatl, Ioannis N Petropoulos, Georgios Ponirakis, Mark S Fineman, Hassan Fadavi, Katie Frizzi, Mitra Tavakoli, Maria Jeziorska, Corinne G Jolivalt, Andrew J M Boulton, Nathan Efron, Nigel A Calcutt, Rayaz A Malik
Impaired rate dependent depression (RDD) of the Hoffman-reflex is associated with reduced dorsal spinal cord potassium chloride co-transporter expression and impaired spinal GABAA receptor function, indicative of spinal inhibitory dysfunction. We have investigated the pathogenesis of impaired RDD in diabetic rodents exhibiting features of painful neuropathy and the translational potential of this marker of spinal inhibitory dysfunction in human painful diabetic neuropathy. Impaired RDD and allodynia were present in type 1 and type 2 diabetic rats but not in rats with type 1 diabetes receiving insulin supplementation that did not restore normoglycemia...
February 15, 2017: Diabetes
https://www.readbyqxmd.com/read/28191351/evaluating-the-measurement-properties-of-the-self-assessment-of-treatment-version-ii-follow-up-version-in-patients-with-painful-diabetic-peripheral-neuropathy
#2
Floortje van Nooten, Dylan Trundell, Dorota Staniewska, Jun Chen, Evan W Davies, Dennis A Revicki
Background. The Self-Assessment of Treatment version II (SAT II) measures treatment-related improvements in pain and impacts and impressions of treatment in neuropathic pain patients. The measure has baseline and follow-up versions. This study assesses the measurement properties of the SAT II. Methods. Data from 369 painful diabetic peripheral neuropathy (PDPN) patients from a phase III trial assessing capsaicin 8% patch (Qutenza®) efficacy and safety were used in these analyses. Reliability, convergent validity, known-groups validity, and responsiveness (using the Brief Pain Inventory-Diabetic Neuropathy [BPI-DN] and Patient Global Impression of Change [PGIC]) analyses were conducted, and minimally important differences (MID) were estimated...
2017: Pain Research and Treatment
https://www.readbyqxmd.com/read/28190392/pi3k-akt-pathway-a-potential-therapeutic-target-for-chronic-pain
#3
Shu-Ping Chen, Ya-Qun Zhou, Dai-Qiang Liu, Wen Zhang, Anne Manyande, Xue-Hai Guan, Yu-Ke Tian, Da-Wei Ye, Deeq Mohamed Omar
Chronic pain is among the most disabling and costly disorders, with prevalence ranging from 10% to 55%. However, current therapeutic strategies for chronic pain are unsatisfactory due to our poor understanding of its mechanisms. Thus, novel therapeutic targets need to be found in order to improve these patients' quality of life. PI3K and its downstream Akt are widely expressed in the spinal cord, particularly in the laminae I-IV of the dorsal horn, where nociceptive C and Aδ fibers of primary afferents principally terminate...
February 10, 2017: Current Pharmaceutical Design
https://www.readbyqxmd.com/read/28176937/an-integrated-perspective-on-diabetic-alcoholic-and-drug-induced-neuropathy-etiology-and-treatment-in-the-us
#4
REVIEW
Lily Zeng, Doungkamol Alongkronrusmee, Richard M van Rijn
Neuropathic pain (NeuP) is a syndrome that results from damaged nerves and/or aberrant regeneration. Common etiologies of neuropathy include chronic illnesses and medication use. Chronic disorders, such as diabetes and alcoholism, can cause neuronal injury and consequently NeuP. Certain medications with antineoplastic effects also carry an exquisitely high risk for neuropathy. These culprits are a few of many that are fueling the NeuP epidemic, which currently affects 7%-10% of the population. It has been estimated that approximately 10% and 7% of US adults carry a diagnosis of diabetes and alcohol disorder, respectively...
2017: Journal of Pain Research
https://www.readbyqxmd.com/read/28162399/-176-agent-based-modeling-and-simulation-abms-to-elucidate-lagged-relationships-between-pain-and-sleep-interference-in-patients-with-painful-diabetic-peripheral-neuropathy-pdpn
#5
J Alexander, R Edwards, A Mahdavi, T Baggio, B Parsons
No abstract text is available yet for this article.
April 2016: Journal of Pain: Official Journal of the American Pain Society
https://www.readbyqxmd.com/read/28162397/-174-development-of-an-agent-based-modeling-and-simulation-platform-for-improving-therapeutic-outcomes-in-patients-with-painful-diabetic-peripheral-neuropathy
#6
J Alexander, R Edwards, A Mahdavi, T Baggio, B Parsons
No abstract text is available yet for this article.
April 2016: Journal of Pain: Official Journal of the American Pain Society
https://www.readbyqxmd.com/read/28159476/treatment-induced-neuropathy-of-diabetes-long-term-implications-in-type-1-diabetes
#7
Christopher H Gibbons
AIMS/HYPOTHESIS: Aggressive glucose control can result in treatment induced neuropathy of diabetes (TIND) if glycemic control is achieved too quickly. The aim of the present study is to describe the 8-year follow-up data on a cohort of individuals with type 1 diabetes who developed TIND. METHODS: Twenty-six individuals with type 1 diabetes and TIND were followed longitudinally for 8years with regular quantitative measurement of pain, neurological examinations and evaluation of microvascular complications...
January 21, 2017: Journal of Diabetes and its Complications
https://www.readbyqxmd.com/read/28155118/antinociceptive-interaction-of-gabapentin-with-minocycline-in-murine-diabetic-neuropathy
#8
H F Miranda, F Sierralta, V Jorquera, P Poblete, J C Prieto, V Noriega
OBJECTIVE: Diabetic neuropathy (DN) is the most common complication of diabetes and pain is one of the main symptoms of diabetic neuropathy, however, currently available drugs are often ineffective and complicated by adverse events. The purpose of this research was to evaluate the antinociceptive interaction between gabapentin and minocycline in a mice experimental model of DN by streptozocin (STZ). METHODS: The interaction of gabapentin with minocycline was evaluated by the writhing and hot plate tests at 3 and 7 days after STZ injection or vehicle in male CF1 mice...
February 2017: Inflammopharmacology
https://www.readbyqxmd.com/read/28144460/the-effect-of-aerobic-exercise-training-on-plasma-apelin-levels-and-pain-threshold-in-t1dm-rats
#9
Reza Delavar, Ali Heidarianpour
BACKGROUND: Diabetes mellitus (types 1 and 2) leads to secondary complications such as neuropathy, which reduce a patient's quality of life. Apelin and its receptor, APJ, have been shown to have antinociceptive effects and to decrease blood glucose levels. OBJECTIVES: The present experimental study was conducted in Iran and investigated the role of apelin, which is used to manage type 1 diabetes mellitus, during exercise training. MATERIALS AND METHODS: Male Wistar rats (n = 36) were assigned by simple random allocation to six groups (n = 6): non-diabetic (ND), diabetic (D), sedentary non-diabetic (SND), sedentary diabetic (SD), exercise non-diabetic (END), and exercise diabetic (ED)...
September 2016: Iranian Red Crescent Medical Journal
https://www.readbyqxmd.com/read/28138810/photobiostimulation-reverses-allodynia-and-peripheral-nerve-damage-in-streptozotocin-induced-type-1-diabetes
#10
Igor Rafael Correia Rocha, Adriano Polican Ciena, Alyne Santana Rosa, Daniel Oliveira Martins, Marucia Chacur
For better evaluation of the efficacy of low-level laser therapy in treating painful diabetic neuropathy and in protecting nerve fiber damage, we conducted a study with type 1 diabetic rats induced by streptozotocin. It is well known that diabetic peripheral neuropathy is the leading cause of pain in those individuals who suffer from diabetes. Despite the efficacy of insulin in controlling glucose level in blood, there is no effective treatment to prevent or reverse neuropathic damage for total pain relief...
January 30, 2017: Lasers in Medical Science
https://www.readbyqxmd.com/read/28134254/schwann-cell-interactions-with-axons-and-microvessels-in-diabetic-neuropathy
#11
REVIEW
Nádia P Gonçalves, Christian B Vægter, Henning Andersen, Leif Østergaard, Nigel A Calcutt, Troels S Jensen
The prevalence of diabetes worldwide is at pandemic levels, with the number of patients increasing by 5% annually. The most common complication of diabetes is peripheral neuropathy, which has a prevalence as high as 50% and is characterized by damage to neurons, Schwann cells and blood vessels within the nerve. The pathogenic mechanisms of diabetic neuropathy remain poorly understood, impeding the development of targeted therapies to treat nerve degeneration and its most disruptive consequences of sensory loss and neuropathic pain...
January 30, 2017: Nature Reviews. Neurology
https://www.readbyqxmd.com/read/28112552/acupuncture-for-the-treatment-of-peripheral-neuropathy-a-systematic-review-and-meta-analysis
#12
Alexandra Dimitrova, Charles Murchison, Barry Oken
OBJECTIVES: Neuropathy and its associated pain pose great therapeutic challenges. While there has been a recent surge in acupuncture use and research, little remains known about its effects on nerve function. This review aims to assess the efficacy of acupuncture in the treatment of neuropathy of various etiologies. METHODS: The Medline, AMED, Cochrane, Scopus, CINAHL, and clintrials.gov databases were systematically searched from inception to July 2015. Randomized controlled trials (RCTs) assessing acupuncture's efficacy for poly- and mononeuropathy were reviewed...
January 23, 2017: Journal of Alternative and Complementary Medicine: Research on Paradigm, Practice, and Policy
https://www.readbyqxmd.com/read/28073787/col6a5-variants-in-familial-neuropathic-chronic-itch
#13
Filippo Martinelli-Boneschi, Marina Colombi, Marco Castori, Grazia Devigili, Roberto Eleopra, Rayaz A Malik, Marco Ritelli, Nicoletta Zoppi, Chiara Dordoni, Melissa Sorosina, Paola Grammatico, Hassan Fadavi, Monique M Gerrits, Rowida Almomani, Catharina G Faber, Ingemar S J Merkies, Daniela Toniolo, Massimiliano Cocca, Claudio Doglioni, Stephen G Waxman, Sulayman D Dib-Hajj, Michela M Taiana, Jenny Sassone, Raffaella Lombardi, Daniele Cazzato, Andrea Zauli, Silvia Santoro, Margherita Marchi, Giuseppe Lauria
Itch is thought to represent the peculiar response to stimuli conveyed by somatosensory pathways shared with pain through the activation of specific neurons and receptors. It can occur in association with dermatological, systemic and neurological diseases, or be the side effect of certain drugs. However, some patients suffer from chronic idiopathic itch that is frequently ascribed to psychological distress and for which no biomarker is available to date. We investigated three multigenerational families, one of which diagnosed with joint hypermobility syndrome/Ehlers-Danlos syndrome hypermobility type (JHS/EDS-HT), characterized by idiopathic chronic itch with predominantly proximal distribution...
January 9, 2017: Brain: a Journal of Neurology
https://www.readbyqxmd.com/read/28065184/long-term-outcomes-in-the-management-of-painful-diabetic-neuropathy
#14
Lauren M Mai, A John Clark, Allan S Gordon, Mary E Lynch, Pat K Morley-Forster, Howard Nathan, Catherine Smyth, Larry W Stitt, Cory Toth, Mark A Ware, Dwight E Moulin
BACKGROUND: Painful diabetic neuropathy (PDN) is a frequent complication of diabetes mellitus. Current treatment recommendations are based on short-term trials, generally of ≤3 months' duration. Limited data are available on the long-term outcomes of this chronic disease. The objective of this study was to determine the long-term clinical effectiveness of the management of chronic PDN at tertiary pain centres. METHODS: From a prospective observational cohort study of patients with chronic neuropathic non-cancer pain recruited from seven Canadian tertiary pain centres, 60 patients diagnosed with PDN were identified for analysis...
January 9, 2017: Canadian Journal of Neurological Sciences. le Journal Canadien des Sciences Neurologiques
https://www.readbyqxmd.com/read/28038479/acute-improvement-in-intraoperative-emg-following-common-fibular-nerve-decompression-in-patients-with-symptomatic-diabetic-sensorimotor-peripheral-neuropathy-1-emg-results
#15
James C Anderson, D Scott Nickerson, Brian L Tracy, Roger J Paxton, Dwayne S Yamasaki
Background and Study Aims Electromyographic (EMG) recordings of the fibularis longus (FL) and tibialis anterior (TA) muscles were performed intraoperatively during common fibular nerve (CFN) nerve decompression (ND) in patients with symptomatic diabetic sensorimotor peripheral neuropathy (DSPN) and clinical nerve compression. Materials and Methods Forty-six legs in 40 patients underwent surgical ND by external neurolysis; FL and TA muscles were monitored intraoperatively. Evoked EMGs were recorded just prior to and within 1 minute after ND...
December 30, 2016: Journal of Neurological Surgery. Part A, Central European Neurosurgery
https://www.readbyqxmd.com/read/28017292/bullosis-diabeticorum-in-a-young-child-case-report-of-a-very-rare-entity-and-a-literature-review
#16
Anca Chiriac, Irina Costache, Cristian Podoleanu, Adrian Naznean, Simona Stolnicu
Bullosis diabeticorum (BD), or diabetic bulla, is 1 of the cutaneous manifestations of diabetes mellitus, reported in 0.5% of people with diabeties in the United States, mostly in adult men who have had long-lasting and uncontrolled diabetes associated with diabetic peripheral neuropathy. However, BD in young children is a mostly unrecognized entity. We present a case of BD in a 3-year-old girl with type 1 diabetes mellitus who had been treated with insulin for 7 months prior to hospitalization. Dermatologic examination revealed a large, tense bulla filled with clear fluid and not associated with pain or pruritus, localized on the lateral margin of the right hand...
December 21, 2016: Canadian Journal of Diabetes
https://www.readbyqxmd.com/read/28001346/analgesic-microneedle-patch-for-neuropathic-pain-therapy
#17
Xi Xie, Conrado Pascual, Christopher Lieu, Seajin Oh, Ji Wang, Bende Zou, Julian Xie, Zhaohui Li, James Xie, David C Yeomans, Mei X Wu, Xinmin Simon Xie
Neuropathic pain caused by nerve injury is debilitating and difficult to treat. Current systemic pharmacological therapeutics for neuropathic pain produce limited pain relief and have undesirable side effects, while current local anesthetics tend to nonspecifically block both sensory and motor functions. Calcitonin gene related peptide (CGRP), a neuropeptide released from sensory nerve endings, appears to play a significant role in chronic neuropathic pain. In this study, an analgesic microneedle (AMN) patch was developed using dissolvable microneedles to transdermally deliver selective CGRP antagonist peptide in a painless manner for the treatment of localized neuropathic pain...
January 24, 2017: ACS Nano
https://www.readbyqxmd.com/read/27984834/-ophthalmological-monitoring-of-diabetic-neuropathy-in-a-mouse-model
#18
S Baltrusch
Patients with diabetes mellitus suffer from late damage, including microvascular and macrovascular complications and diabetic polyneuropathy, even though blood glucose is well controlled and the HbA1c value normalised. Peripheral nerves are affected, and when these are damaged, this can result in disturbed sensation and pain. Such nerves are mainly Aδ und C fibres, which are present in the skin, but also in the subbasal nerve plexus of the cornea. Imaging of the subbasal nerve plexus using microscopic techniques allows a very early and objective view of neuropathy, which is only possible invasively by skin biopsy...
December 2016: Klinische Monatsblätter Für Augenheilkunde
https://www.readbyqxmd.com/read/27981288/schwannoma-of-the-median-nerve-mimicking-carpal-tunnel-syndrome-in-a-pregnant-patient-case-report
#19
Giokits-Kakavouli Giasna, Mihaela C Micu, Romeo Micu
In patients with symptoms of a peripheral neuropathy especially during pregnancy, use of imaging techniques such as Ultrasound (US) and Magnetic Resonance Imaging (MRI) may be essential for the diagnostic accomplishment. A 30-weekspregnant diabetic female attending US evaluation due to intermittent hand pain, numbness, and weakness bilaterally. Although, the US evaluation revealed the median nerve (MN) normal size, echogenicity and echo-texture within the right carpal tunnel; the US assessment applied proximally to the carpal tunnel, revealed a hypoechoic tumor-like mass and increased MN cross section area...
December 5, 2016: Medical Ultrasonography
https://www.readbyqxmd.com/read/27976413/medicinal-chemistry-pharmacology-and-clinical-implications-of-trpv1-receptor-antagonists
#20
REVIEW
Mojgan Aghazadeh Tabrizi, Pier Giovanni Baraldi, Stefania Baraldi, Stefania Gessi, Stefania Merighi, Pier Andrea Borea
Transient receptor potential vanilloid 1 (TRPV1) is an ion channel expressed on sensory neurons triggering an influx of cations. TRPV1 receptors function as homotetramers responsive to heat, proinflammatory substances, lipoxygenase products, resiniferatoxin, endocannabinoids, protons, and peptide toxins. Its phosphorylation increases sensitivity to both chemical and thermal stimuli, while desensitization involves a calcium-dependent mechanism resulting in receptor dephosphorylation. TRPV1 functions as a sensor of noxious stimuli and may represent a target to avoid pain and injury...
December 15, 2016: Medicinal Research Reviews
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