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Neuroimmunology

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https://www.readbyqxmd.com/read/27870450/the-immune-system-as-a-novel-regulator-of-sex-differences-in-brain-and-behavioral-development
#1
REVIEW
Lars H Nelson, Kathryn M Lenz
Sexual differentiation of the brain occurs early in life as a result of sex-typical hormone action and sex chromosome effects. Immunocompetent cells are being recognized as underappreciated regulators of sex differences in brain and behavioral development, including microglia, astrocytes, and possibly other less well studied cell types, including T cells and mast cells. Immunocompetent cells in the brain are responsive to steroid hormones, but their role in sex-specific brain development is an emerging field of interest...
January 2, 2017: Journal of Neuroscience Research
https://www.readbyqxmd.com/read/27776957/neuroimmunological-interactions-in-stroke
#2
M A Sotomayor-Sobrino, A Ochoa-Aguilar, L A Méndez-Cuesta, C Gómez-Acevedo
INTRODUCTION: Stroke is one of the leading causes of death in the world; its incidence is increasing due to increased life expectancy. However, treatment options for these patients are limited since no clinically effective drugs have been developed to date. DEVELOPMENT: According to clinical evidence, a number of neurochemical changes take place after stroke, including energy depletion, increased free radical synthesis, calcium accumulation, neurotransmitter imbalance, excitotoxicity, and, at a later stage, immune system activation leading to inflammation...
October 21, 2016: Neurología: Publicación Oficial de la Sociedad Española de Neurología
https://www.readbyqxmd.com/read/27774643/prothrombin-and-factor-x-are-elevated-in-multiple-sclerosis-patients
#3
Kerstin Göbel, Peter Kraft, Susann Pankratz, Catharina C Gross, Catharina Korsukewitz, Robert Kwiecien, Rolf Mesters, Beate E Kehrel, Heinz Wiendl, Christoph Kleinschnitz, Sven G Meuth
Animal models have implicated an integral role for coagulation factors in neuroinflammatory diseases such as multiple sclerosis (MS) beyond their role in hemostasis. However, their relevance in humans requires further elucidation. This study aimed to determine whether levels of coagulation factors differ between patients with neuroimmunological disorders and respective controls. Individuals suffering from relapsing-remitting and secondary progressive MS had significantly higher prothrombin and factor X levels than healthy donors, whereas levels were unchanged in primary progressive MS and neuromyelitis optica patients...
October 24, 2016: Annals of Neurology
https://www.readbyqxmd.com/read/27764517/effect-of-recombinant-lactococcus-lactis-producing-myelin-peptides-on-neuroimmunological-changes-in-rats-with-experimental-allergic-encephalomyelitis
#4
K Kasarełło, A Szczepankowska, B Kwiatkowska-Patzer, A W Lipkowski, R Gadamski, D Sulejczak, M Łachwa, M Biały, J Bardowski
Multiple sclerosis (MS) is a human autoimmune neurodegenerative disease with an unknown etiology. Despite various therapies, there is no effective cure for MS. Since the mechanism of the disease is based on autoreactive T-cell responses directed against myelin antigens, oral tolerance is a promising approach for the MS treatment. Here, the experiments were performed to assess the impact of oral administration of recombinant Lactococcus lactis producing encephalogenic fragments of three myelin proteins: myelin basic protein, proteolipid protein, and myelin oligodendrocyte glycoprotein, on neuroimmunological changes in rats with experimental allergic encephalomyelitis (EAE) - an animal model of MS...
2016: Folia Neuropathologica
https://www.readbyqxmd.com/read/27756892/targeting-immune-checkpoints-in-malignant-glioma
#5
Xuhao Zhang, Shan Zhu, Tete Li, Yong-Jun Liu, Wei Chen, Jingtao Chen
Malignant glioma is the most common and a highly aggressive cancer in the central nervous system (CNS). Cancer immunotherapy, strategies to boost the body's anti-cancer immune responses instead of directly targeting tumor cells, recently achieved great success in treating several human solid tumors. Although once considered "immune privileged" and devoid of normal immunological functions, CNS is now considered a promising target for cancer immunotherapy, featuring the recent progresses in neurobiology and neuroimmunology and a highly immunosuppressive state in malignant glioma...
October 16, 2016: Oncotarget
https://www.readbyqxmd.com/read/27754761/a-novel-pink1-and-park2-dependent-protective-neuroimmune-pathway-in-lethal-sepsis
#6
Rui Kang, Ling Zeng, Yangchun Xie, Zhengwen Yan, Borong Zhou, Lizhi Cao, Daniel J Klionsky, Kevin J Tracey, Jianhua Li, Haichao Wang, Timothy R Billiar, Jianxin Jiang, Daolin Tang
Although the PINK1-PARK2 pathway contributes to the pathogenesis of Parkinson disease, its roles in sepsis (a major challenge for critical care) were previously unknown. Here, we show that pink1(-/-) and park2(-/-) mice are more sensitive to polymicrobial sepsis-induced multiple organ failure and death. The decrease in the circulating level of the neurotransmitter dopamine in pink1(-/-) and park2(-/-) mice accelerates the release of a late sepsis mediator, HMGB1, via HIF1A-dependent anaerobic glycolysis and subsequent NLRP3-dependent inflammasome activation...
December 2016: Autophagy
https://www.readbyqxmd.com/read/27752070/neuroimmunology-waking-the-immune-system
#7
Sian Lewis
No abstract text is available yet for this article.
October 18, 2016: Nature Reviews. Neuroscience
https://www.readbyqxmd.com/read/27739537/neuroimmunology-new-approach-allows-derivation-of-microglia-like-cells-in-vitro
#8
Ian Fyfe
No abstract text is available yet for this article.
November 2016: Nature Reviews. Neurology
https://www.readbyqxmd.com/read/27734166/the-emergence-of-neuroepidemiology-neurovirology-and-neuroimmunology-the-legacies-of-john-f-kurtzke-and-richard-dick-t-johnson
#9
Eric J Kildebeck, Ram Narayan, Avindra Nath, Howard Weiner, Shin Beh, Peter A Calabresi, Lawrence Steinman, Eugene O Major, Teresa C Frohman, Elliot M Frohman
No abstract text is available yet for this article.
October 12, 2016: Journal of Neurology
https://www.readbyqxmd.com/read/27716662/neutrophil-gelatinase-associated-lipocalin-and-its-receptors-in-alzheimer-s-disease-ad-brain-regions-differential-findings-in-ad-with-and-without-depression
#10
Doortje W Dekens, Petrus J W Naudé, Sebastiaan Engelborghs, Yannick Vermeiren, Debby Van Dam, Richard C Oude Voshaar, Ulrich L M Eisel, Peter P De Deyn
Co-existing depression worsens Alzheimer's disease (AD) pathology. Neutrophil gelatinase-associated lipocalin (NGAL) is a newly identified (neuro)inflammatory mediator in the pathophysiologies of both AD and depression. This study aimed to compare NGAL levels in healthy controls, AD without depression (AD-D), and AD with co-existing depression (AD+D) patients. Protein levels of NGAL and its receptors, 24p3R and megalin, were assessed in nine brain regions from healthy controls (n = 19), AD-D (n = 19), and AD+D (n = 21) patients...
October 5, 2016: Journal of Alzheimer's Disease: JAD
https://www.readbyqxmd.com/read/27705091/guillain-barr%C3%A3-syndrome-associated-with-zika-virus-infection-in-colombia
#11
Beatriz Parra, Jairo Lizarazo, Jorge A Jiménez-Arango, Andrés F Zea-Vera, Guillermo González-Manrique, José Vargas, Jorge A Angarita, Gonzalo Zuñiga, Reydmar Lopez-Gonzalez, Cindy L Beltran, Karen H Rizcala, Maria T Morales, Oscar Pacheco, Martha L Ospina, Anupama Kumar, David R Cornblath, Laura S Muñoz, Lyda Osorio, Paula Barreras, Carlos A Pardo
Background Zika virus (ZIKV) infection has been linked to the Guillain-Barré syndrome. From November 2015 through March 2016, clusters of cases of the Guillain-Barré syndrome were observed during the outbreak of ZIKV infection in Colombia. We characterized the clinical features of cases of Guillain-Barré syndrome in the context of this ZIKV infection outbreak and investigated their relationship with ZIKV infection. Methods A total of 68 patients with the Guillain-Barré syndrome at six Colombian hospitals were evaluated clinically, and virologic studies were completed for 42 of the patients...
October 20, 2016: New England Journal of Medicine
https://www.readbyqxmd.com/read/27692358/stiff-person-syndrome-masquerading-as-acute-coronary-syndrome
#12
Ashish Sharma, Myat Han Soe, Jagdeep Singh, Scott D Newsome
Stiff person syndrome (SPS) is a rare neuroimmunological disorder characterized by severe progressive muscle stiffness in axial and lower extremity musculature with superimposed painful muscle spasms. Although chest pain is a common reason for SPS patients presenting to the emergency room, this disorder is overlooked and not part of the differential diagnosis of chest pain. Herein, we report on a middle age male presenting with classic symptoms of SPS; however, due to the rarity of this disease, he was initially thought to have acute coronary syndrome...
2016: Journal of the National Medical Association
https://www.readbyqxmd.com/read/27685688/myasthenia-gravis-a-population-based-epidemiological-study
#13
S Rutledge, O Kenny, S O'Riordan, C McGuigan, N Tubridy
Myasthenia Gravis (MG) is a disorder affecting components of the neuromuscular junction. Epidemiological studies show rising incidence and prevalence rates. The aim of this study was to determine the incidence and prevalence of MG in the Republic of Ireland. Data sources included patient lists from consultant neurologists and ophthalmologists, a neuroimmunology laboratory, general practitioners and the Myasthenia Gravis Association. A total of 1715 cases were identified, of which 706 definite, probable or possible autoimmune and congenital MG cases were included...
2016: Irish Medical Journal
https://www.readbyqxmd.com/read/27684943/the-efficacy-of-natalizumab-versus-fingolimod-for-patients-with-relapsing-remitting-multiple-sclerosis-a-systematic-review-indirect-evidence-from-randomized-placebo-controlled-trials-and-meta-analysis-of-observational-head-to-head-trials
#14
Georgios Tsivgoulis, Aristeidis H Katsanos, Dimitris Mavridis, Nikolaos Grigoriadis, Efthymios Dardiotis, Ioannis Heliopoulos, Panagiotis Papathanasopoulos, Theodoros Karapanayiotides, Constantinos Kilidireas, Georgios M Hadjigeorgiou, Konstantinos Voumvourakis
BACKGROUND: Although Fingolimod (FGD) and Natalizumab (NTZ) appear to be effective in relapsing-remitting multiple sclerosis (RRMS), they have never been directly compared in a randomized clinical trial (RCT). METHODS AND FINDINGS: We evaluated the comparative efficacy of FGD vs. NTZ using a meta-analytical approach. Data from placebo-controlled RCTs was used for indirect comparisons and observational data was utilized for head-to-head comparisons. We identified 3 RCTs (2498 patients) and 5 observational studies (2576 patients)...
2016: PloS One
https://www.readbyqxmd.com/read/27623124/-olfaction-in-depressive-disorders-issues-and-perspectives
#15
G Brand, B Schaal
Research on sensorial interactions with psychiatric diseases and particularly with the depressive syndrome has mainly focused on visual or auditory processes and much less on olfaction. The depressive illness is one of the most frequent psychiatric diagnoses in the community, with approximately one in five women and one in eight men experiencing a major depressive episode during their lifetime. Although genetic, epigenetic, neuroanatomical, neurochemical, neuroendocrinological and neuroimmunological changes can be detected during depression, the etiology of depression remains partly unclear...
September 9, 2016: L'Encéphale
https://www.readbyqxmd.com/read/27618707/autoimmune-glial-fibrillary-acidic-protein-astrocytopathy-a-novel-meningoencephalomyelitis
#16
Boyan Fang, Andrew McKeon, Shannon R Hinson, Thomas J Kryzer, Sean J Pittock, Allen J Aksamit, Vanda A Lennon
Importance: A novel astrocytic autoantibody has been identified as a biomarker of a relapsing autoimmune meningoencephalomyelitis that is immunotherapy responsive. Seropositivity distinguishes autoimmune glial fibrillary acidic protein (GFAP) meningoencephalomyelitis from disorders commonly considered in the differential diagnosis. Objective: To describe a novel IgG autoantibody found in serum or cerebrospinal fluid that is specific for a cytosolic intermediate filament protein of astrocytes...
September 12, 2016: JAMA Neurology
https://www.readbyqxmd.com/read/27578922/neuroimmunology-of-huntington-s-disease-revisiting-evidence-from-human-studies
#17
REVIEW
Natalia P Rocha, Fabiola M Ribeiro, Erin Furr-Stimming, Antonio L Teixeira
Huntington's disease (HD) is a neurodegenerative disorder characterized by selective loss of neurons in the striatum and cortex, which leads to progressive motor dysfunction, cognitive decline, and psychiatric disorders. Although the cause of HD is well described-HD is a genetic disorder caused by a trinucleotide (CAG) repeat expansion in the gene encoding for huntingtin (HTT) on chromosome 4p16.3-the ultimate cause of neuronal death is still uncertain. Apart from impairment in systems for handling abnormal proteins, other metabolic pathways and mechanisms might contribute to neurodegeneration and progression of HD...
2016: Mediators of Inflammation
https://www.readbyqxmd.com/read/27562835/multidisciplinary-consideration-of-potential-pathophysiologic-mechanisms-of-paradoxical-erythema-with-topical-brimonidine-therapy
#18
REVIEW
James R Docherty, Martin Steinhoff, Dianne Lorton, Michael Detmar, Gregor Schäfer, Anna Holmes, Anna Di Nardo
: Rosacea is a chronic inflammatory disease with transient and non-transient redness as key characteristics. Brimonidine is a selective α2-adrenergic receptor (AR) agonist approved for persistent facial erythema of rosacea based on significant efficacy and good safety data. The majority of patients treated with brimonidine report a benefit; however, there have been sporadic reports of worsening erythema after the initial response. A group of dermatologists, receptor physiology, and neuroimmunology scientists met to explore potential mechanisms contributing to side effects as well as differences in efficacy...
November 2016: Advances in Therapy
https://www.readbyqxmd.com/read/27545842/current-trends-in-autoimmunity-and-the-nervous-system
#19
Carlo Selmi, Jobert G Barin, Noel R Rose
In the broad field of autoimmunity and clinical immunology, experimental evidence over the past few years have demonstrated several connections between the immune system and the nervous system, both central and peripheral, leading to the definition of neuroimmunology and of an immune-brain axis. Indeed, the central nervous system as an immune-privileged site, thanks to the blood-brain barrier, is no longer a dogma as the barrier may be altered during chronic inflammation with disruptive changes of endothelial cells and tight junctions, largely mediated by adenosine receptors and the expression of CD39/CD73...
August 18, 2016: Journal of Autoimmunity
https://www.readbyqxmd.com/read/27544641/contribution-of-eae-to-understanding-and-treating-multiple-sclerosis
#20
Amy E Lovett-Racke
This article is a summary of a lecture presented at the 40years of Neuroimmunology meeting held on April 19, 2015, in commemoration of the 40th anniversary of the Neuroimmunology Branch (NIB) at the National Institutes of Health. Experimental autoimmune encephalomyelitis (EAE) has been used as a model for multiple sclerosis (MS) for several decades. There are remarkable similarities between the central nervous system pathology of mice with EAE and MS patients. However, there are distinct differences which limits the contribution of EAE to the understanding of MS...
August 12, 2016: Journal of Neuroimmunology
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