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Nerve AND immunity

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https://www.readbyqxmd.com/read/28730968/modulation-of-the-immune-system-for-the-treatment-of-glaucoma
#1
Katharina Bell, Nadine von Thun Und Hohenstein-Blaul, Julia Teister, Franz H Grus
At present intraocular pressure (IOP) lowering therapies are the only approach to treat glaucoma. Neuroprotective strategies to protect the retinal ganglion cells (RGC) from apoptosis are lacking to date. Results from clinical studies revealed altered immunoreactivities against retinal and optic nerve antigens in sera and aqueous humor of glaucoma patients and point toward an autoimmune involvement in glaucomatous neurodegeneration and RGC death. IgG accumulations along with plasma cells were found localised in human glaucomatous retinae in a pro-inflammatory environment possibly maintained by microglia...
July 19, 2017: Current Neuropharmacology
https://www.readbyqxmd.com/read/28729832/the-role-of-microglia-in-retinal-neurodegeneration-alzheimer-s-disease-parkinson-and-glaucoma
#2
REVIEW
Ana I Ramirez, Rosa de Hoz, Elena Salobrar-Garcia, Juan J Salazar, Blanca Rojas, Daniel Ajoy, Inés López-Cuenca, Pilar Rojas, Alberto Triviño, José M Ramírez
Microglia, the immunocompetent cells of the central nervous system (CNS), act as neuropathology sensors and are neuroprotective under physiological conditions. Microglia react to injury and degeneration with immune-phenotypic and morphological changes, proliferation, migration, and inflammatory cytokine production. An uncontrolled microglial response secondary to sustained CNS damage can put neuronal survival at risk due to excessive inflammation. A neuroinflammatory response is considered among the etiological factors of the major aged-related neurodegenerative diseases of the CNS, and microglial cells are key players in these neurodegenerative lesions...
2017: Frontiers in Aging Neuroscience
https://www.readbyqxmd.com/read/28707588/targeting-the-prokineticin-system-to-control-chronic-pain-and-inflammation
#3
Lucia Negri, Daniela Maftei
Prokineticin1 and prokineticin2 belong to a new family of chemokines identified in several species including mammals and characterized by the presence of five disulfide bridges. These proteins signal through two G-coupled receptors (prokineticin-receptor1 and prokineticin-receptor2) widely expressed in all tissues and involved in a large spectrum of biological activities, including angiogenesis, hematopoiesis, immune processes, inflammation and nociceptive transmission. Prokineticin2 is overexpressed in inflamed tissues and has a crucial role in neutrophil dependent inflammation and hypernociception...
July 13, 2017: Current Medicinal Chemistry
https://www.readbyqxmd.com/read/28689354/functional-and-molecular-characterization-of-a-novel-traumatic-peripheral-nerve-muscle-injury-model
#4
Renate Wanner, Manuel Gey, Alireza Abaei, Daniela Warnecke, Luisa de Roy, Lutz Dürselen, Volker Rasche, Bernd Knöll
Traumatic injuries to human peripheral nerves are frequently associated with damage to nerve surrounding tissues including muscles and blood vessels. Currently, most rodent models of peripheral nerve injuries (e.g., facial or sciatic nerve) employ surgical nerve transection with scissors or scalpels. However, such an isolated surgical nerve injury only mildly damages neighboring tissues and weakly activates an immune response. In order to provide a rodent nerve injury model accounting for such nerve-associated tissue damage and immune cell activation, we developed a drop tower-based facial nerve trauma model in mice...
July 8, 2017: Neuromolecular Medicine
https://www.readbyqxmd.com/read/28687435/evaluation-of-coexisting-polymyositis-in-feline-myasthenia-gravis-a-case-series
#5
Vincent Mayousse, Aurélien Jeandel, Nicolas Blanchard-Gutton, Catherine Escriou, Kirsten Gnirs, G Diane Shelton, Stéphane Blot
Acquired myasthenia gravis (MG) is relatively uncommon in cats. In humans, MG may be associated with other immune-mediated disorders, in particular polymyositis (PM). In this study, we described in-depth electrodiagnostic findings and pathological changes in muscles of cats diagnosed with MG, and assessed the presence of concurrent PM. Six cats with confirmed acetylcholine receptor antibody seropositive MG, and two suspected cases with clinical signs and electrophysiological changes consistent with MG, were reviewed...
June 16, 2017: Neuromuscular Disorders: NMD
https://www.readbyqxmd.com/read/28685530/early-and-late-behavioral-changes-in-sciatic-nerve-injury-may-be-modulated-by-nerve-growth-factor-and-substance-p-in-rats-a-chronic-constriction-injury-long-term-evaluation
#6
J T Da Silva, B G Evangelista, R A G Venega, M E Oliveira, M Chacur
Chronic constriction injury (CCI) simulates the symptoms of chronic nerve compression, which is characterized by allodynia and hyperalgesia. Nerve growth factor (NGF) is released after nerve injury by immune and Schwann cells and transported in retrograde fashion to the dorsal root ganglion (DRG), resulting in increased synthesis of Substance P (SP) and the triggering of neuropathic pain. Here we performed long-term evaluation of allodynia and hyperalgesia in a CCI model, and evaluated the effects of NGF and SP on the peripheral and central nervous systems...
April 2017: Journal of Biological Regulators and Homeostatic Agents
https://www.readbyqxmd.com/read/28680302/eosinophilic-granulomatosis-with-polyangiitis-presented-as-acute-polyneuropathy-and-cerebral-vasculitis
#7
Il-Han Yoo, Sang Tae Choi, Seong-Ho Choi, Jeong-Min Kim, Suk-Won Ahn
Eosinophilic granulomatosis with polyangiitis (EGPA) is an immune related systemic disease that is caused by vasculitis affecting multiple organ systems. It is characterized by asthma, fever, eosinophilia, cardiac problems, renal injury, and peripheral neuropathy. In this report, we describe a patient with EGPA with concurrent cerebral infarction and acute polyneuropathy mimicking a Guillain-Barre syndrome (GBS). A 46-year-old man presented with rapidly progressing gait disturbance, muscular weakness, and tingling sensation in all four limbs...
June 2017: Experimental Neurobiology
https://www.readbyqxmd.com/read/28674983/multiple-sclerosis-basic-and-clinical
#8
Katherine Buzzard, Wing Hei Chan, Trevor Kilpatrick, Simon Murray
Multiple sclerosis (MS) is the most common neurodegenerative disease affecting young adults in our community. It is a complex disease influenced by gender, genetic and environmental factors. MS is a chronic inflammatory disease of the central nervous system caused by aberrant immune activation resulting in damage to myelin sheaths within the brain and spinal cord and axonal loss. The demyelinating insult initially impairs the speed and efficiency of nerve cell function. In the majority of cases, this is followed by an innate endogenous repair response that can restore the myelin sheath and nerve cell function to relatively normal levels...
2017: Advances in Neurobiology
https://www.readbyqxmd.com/read/28668085/utility-of-somatosensory-evoked-potentials-in-the-assessment-of-response-to-ivig-in-a-long-lasting-case-of-chronic-immune-sensory-polyradiculopathy
#9
Angelo Maurizio Clerici, Eduardo Nobile-Orazio, Marco Mauri, Federico Sergio Squellati, Giorgio Giovanni Bono
BACKGROUND: Chronic immune sensory polyradiculopathy (CISP) identifies a progressive acquired peripheral dysimmune neuropathy recognized as a chronic inflammatory demyelinating polyradiculoneuropathy (CIDP) variant. We describe a young woman with a thirteen-year history of CISP with a belated variable response to intravenous immunoglobulin (IVIG) and an almost erratic anticipation of symptoms between IVIG cycles. The association of IVIG and corticosteroids, immunosuppressants, plasmapheresis, did not lead to clinical improvement and was characterized by significant side effects...
July 1, 2017: BMC Neurology
https://www.readbyqxmd.com/read/28667708/acute-painful-autoimmune-neuropathy-a-variant-of-guillain-barr%C3%A3-syndrome
#10
Nobuhiro Yuki, Amanda C Chan, Anna Hiu Yi Wong, Takayuki Inoue, Masafumi Yokai, Takashi Kurihara, Jérôme J Devaux, Einar Wilder-Smith
Introduction We present a painful small fibre neuropathy variant of Guillain-Barré syndrome. Methods characterized by antecedent infectious symptoms, hyporeflexia and albuminocytologic dissociation. Results Two patients received intravenous immunoglobulin, and subsequently improved. IgG antibodies in their acute phase sera strongly bound to murine small nerve fibres, and the binding disappeared during the convalescent phase. Serum transfer to a murine nociceptive model induced transient alteration in thermal pain responses...
July 1, 2017: Muscle & Nerve
https://www.readbyqxmd.com/read/28651250/a-role-for-neuronal-alpha-synuclein-in-gastrointestinal-immunity
#11
Ethan Stolzenberg, Deborah Berry, De Yang, Ernest Y Lee, Alexander Kroemer, Stuart Kaufman, Gerard C L Wong, Joost J Oppenheim, Supti Sen, Thomas Fishbein, Ad Bax, Brent Harris, Denise Barbut, Michael A Zasloff
BACKGROUND: Alpha-synuclein (αS) is a nerve cell protein associated with Parkinson disease (PD). Accumulation of αS within the enteric nervous system (ENS) and its traffic from the gut to the brain are implicated in the pathogenesis and progression of PD. αS has no known function in humans and the reason for its accumulation within the ENS is unknown. Several recent studies conducted in rodents have linked αS to immune cell activation in the central nervous system. We hypothesized that αS in the ENS might play a role in the innate immune defenses of the human gastrointestinal (GI) tract...
June 27, 2017: Journal of Innate Immunity
https://www.readbyqxmd.com/read/28646022/nf1-hematopoietic-cells-accelerate-malignant-peripheral-nerve-sheath-tumor-development-without-altering-chemotherapy-response
#12
Rebecca D Dodd, Chang-Lung Lee, Tess Overton, Wesley Huang, William C Eward, Lixia Luo, Yan Ma, Davis R Ingram, Keila E Torres, Diana M Cardona, Alexander Lazar, David G Kirsch
Haploinsufficiency in the tumor suppressor NF1 contributes to the pathobiology of type 1 neurofibromatosis, but a related role has not been established in malignant peripheral nerve sheath tumors (MPNST) where NF1 mutations also occur. Patients with NF1-associated MPNST appear to have worse outcomes than patients with sporadic MPNST, but the mechanism underlying this correlation is not understood. To define the impact of stromal genetics on the biology of this malignancy, we developed unique mouse models that reflect the genetics of patient-associated MPNST...
June 23, 2017: Cancer Research
https://www.readbyqxmd.com/read/28645309/herpes-simplex-virus-1-infects-the-olfactory-bulb-shortly-following-ocular-infection-and-exhibits-a-long-term-inflammatory-profile-in-the-form-of-effector-and-hsv-1-specific-t-cells
#13
Chandra M Menendez, Daniel J J Carr
BACKGROUND: Herpes simplex virus 1 (HSV-1) infection can result in a life-threatening condition known as herpes simplex encephalitis (HSE). Trafficking patterns by which the virus reaches the central nervous system (CNS) following ocular infection are unresolved. We evaluated early viral dissemination pathways following ocular infection that involve trafficking to the olfactory bulb (OB). Additionally, we have characterized the capacity of HSV-1 to establish latency within OB tissue and profiled the local T lymphocyte response over the course of the acute infection into latency...
June 23, 2017: Journal of Neuroinflammation
https://www.readbyqxmd.com/read/28642110/pedf-plus-dha-modulate-inflammation-and-stimulate-nerve-regeneration-after-hsv-1-infection
#14
Jiucheng He, Donna Neumann, Azucena Kakazu, Thang Luong Pham, Farhana Musarrat, M Soledad Cortina, Haydee E P Bazan
Herpes simplex virus type-1 (HSV-1) infection leads to impaired corneal sensation and, in severe cases, to corneal ulceration, melting and perforation. Here, we explore the potential therapeutic action of pigment epithelial-derived factor (PEDF) plus docosahexaenoic acid (DHA) on corneal inflammation and nerve regeneration following HSV-1 infection. Rabbits inoculated with 100,000 PFU/eye of HSV-1 strain 17Syn+ were treated with PEDF + DHA or vehicle. PEDF + DHA treatment resulted in a biphasic immune response with stronger infiltration of CD4+T cells, neutrophils and macrophages at 7-days post-treatment (p...
June 20, 2017: Experimental Eye Research
https://www.readbyqxmd.com/read/28638660/analysis-of-clinical-characteristics-of-immune-related-dry-eye
#15
Hua Wang, Ping-Bao Wang, Ting Chen, Jing Zou, Ya-Jia Li, Xu-Fang Ran, Qiang-Xiang Li
AIM: To discuss the clinical characteristics of immune-related dry eye. METHODS: Simple dry eye (SDE) group: we selected 224 patients of simple dry eye with no systemic lesions. Immune-related dry eye (IRDE) group: we selected 207 patients of dry eye complicated with immune system diseases, including 70 cases of Sjögren's syndrome (SS), 72 cases of systemic lupus erythematosus (SLE), and 65 cases of rheumatoid arthritis (RA). The classification of all patients was performed...
2017: Journal of Ophthalmology
https://www.readbyqxmd.com/read/28637379/neuropsychological-outcomes-of-pediatric-demyelinating-diseases-a-review
#16
Alexander Tan, Cole Hague, Benjamin M Greenberg, Lana Harder
Immune-mediated central nervous system (CNS) demyelinating diseases impact various areas of the brain, optic nerves, and/or spinal cord and can result in a wide range of neurologic symptoms including adverse cognitive outcomes. Neuropsychological outcomes in adult multiple sclerosis (MS) are well documented, while literature on such outcomes in pediatric cohorts is more limited. Furthermore, literature on neuropsychological outcomes in pediatric acute disseminated encephalomyelitis (ADEM), neuromyelitis optica (NMO), and transverse myelitis (TM) is even more limited...
June 21, 2017: Child Neuropsychology: a Journal on Normal and Abnormal Development in Childhood and Adolescence
https://www.readbyqxmd.com/read/28633742/cutaneous-varicella-zoster-virus-infection-following-zoster-vaccination-report-of-post-vaccination-herpes-zoster-skin-infection-and-literature-review-of-zoster-vaccination-efficacy-and-guidelines
#17
Katherine M Stiff, Philip R Cohen
BackgroundHerpes zoster vaccine is currently recommended in the United States for immune competent individuals ≥60 years. The efficacy of the herpes zoster vaccine decreases with age and with time following vaccination.PurposeAn elderly man with herpes zoster following vaccination is described. The guidelines for vaccination and issues regarding re-vaccination are reviewed. METHODS: PubMed was used to search the following terms: efficacy, elderly, herpes zoster, herpes zoster incidence, herpes zoster recurrence, and vaccination...
June 15, 2017: Dermatology Online Journal
https://www.readbyqxmd.com/read/28632962/a-novel-minimally-invasive-wireless-technology-for-neuromodulation-via-percutaneous-intercostal-nerve-stimulation-pns-for-post-herpetic-neuralgia-a-case-report-with-short-term-follow-up
#18
Bart Billet, Roel Wynendaele, Niek E Vanquathem
BACKGROUND: Peripheral nerve stimulation (PNS) of primary afferent neurons provides control of localized chronic pain. This technique applies permanent electrical stimulation at the target area via a minimally invasive, subcutaneous placement of an electrode. OBJECTIVE: To assess analgesic effects of a minimally invasive wireless neuromodulation in the treatment of chronic intractable pain secondary to post-herpetic neuralgia. CASE SUMMARY: A 78-year-old man presented with severe intractable post herpetic neuralgic pain...
June 20, 2017: Pain Practice: the Official Journal of World Institute of Pain
https://www.readbyqxmd.com/read/28628846/substance-p-and-the-neurokinin-1-receptor-expression-in-dog-ileum-with-and-without-inflammation
#19
Giulia Polidoro, Fiorella Giancola, Federico Fracassi, Marco Pietra, Giuliano Bettini, Martina Asti, Roberto Chiocchetti
In the gastrointestinal tract, the tachykinin Substance P (SP) is involved in motility, fluid and electrolyte secretion, and blood flow and regulation of immunoinflammatory response. SP exerts its biological activity on target cells by interacting mainly with the neurokinin-1 receptor (NK1R). The present study aims to quantify the percentage of SP-immunoreactive (SP-IR) enteric neurons and the density of SP-IR nerve fibers in the ileum of control dogs (CTRL-dogs; n=7) vs dogs with spontaneous ileal inflammation (INF-dogs; n=8)...
June 12, 2017: Research in Veterinary Science
https://www.readbyqxmd.com/read/28628030/a-novel-flexible-cuff-like-microelectrode-for-dual-purpose-acute-and-chronic-electrical-interfacing-with-the-mouse-cervical-vagus-nerve
#20
April Shawn Caravaca, Téa Tsaava, Laura Goldman, Harold Silverman, Gary Riggott, Sangeeta Chavan, Chad Bouton, Kevin J Tracey, Robert Desimone, Ed Boyden, Harbaljit Singh Sohal, Peder S Olofsson
OBJECTIVE: Neural reflexes establish homeostasis and regulate the immune system. Advances in bioelectronic medicine indicate that electrical stimulation of the vagus nerve can be used to treat inflammatory disease, yet the understanding of neural signals that regulate inflammation is incomplete. Current interfaces with the vagus nerve do not permit effective chronic stimulation or recording in mouse models, which is vital to studying the molecular and neurophysiological mechanisms that control inflammation homeostasis in health and disease...
June 19, 2017: Journal of Neural Engineering
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