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Multiple Sclerosis Brain injury

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https://www.readbyqxmd.com/read/28718218/impact-of-prenatal-immune-challenge-on-the-demyelination-injury-during-adulthood
#1
Abdeslam Mouihate, Hessah Al-Hashash, Sarah Rakhshani-Moghadam, Samah Kalakh
AIM: Brain inflammation is associated with several brain diseases such as multiple sclerosis (MS), a disease characterized by demyelination. Whether prenatal immune challenge affects demyelination-induced inflammation in the white matter during adulthood is unclear. In the present study, we used a well-established experimental model of focal demyelination to assess whether prenatal immune challenge affects demyelination-induced inflammation. METHODS: Pregnant rats were injected with either lipopolysaccharide (100 μg/kg, ip) or pyrogen-free saline...
July 17, 2017: CNS Neuroscience & Therapeutics
https://www.readbyqxmd.com/read/28713038/assessment-of-sexual-function-in-women-with-neurological-disorders-a-review
#2
REVIEW
Frédérique Courtois, Marina Gérard, Kathleen Charvier, David B Vodušek, Gérard Amarenco
BACKGROUND: Although the rehabilitation of sexual function has been identified as a top priority among women presenting neurological conditions, sexual function is rarely assessed in this clinical group. OBJECTIVES: To review published assessment tools of sexual dysfunction in women with neurological conditions including multiple sclerosis (MS), spinal cord injury (SCI), Parkinson disease, stroke, traumatic brain injury. METHODS: A systematic literature review was conducted with Medline via PubMed, PubMed Central, and Medline databases...
July 13, 2017: Annals of Physical and Rehabilitation Medicine
https://www.readbyqxmd.com/read/28697282/exploring-the-potential-of-natural-and-synthetic-neuroprotective-steroids-against-neurodegenerative-disorders-a-literature-review
#3
REVIEW
Ranju Bansal, Ranjit Singh
Neurodegeneration is a complex process, which leads to progressive brain damage due to loss of neurons. Despite exhaustive research, the cause of neuronal loss in various degenerative disorders is not entirely understood. Neuroprotective steroids constitute an important line of attack, which could play a major role against the common mechanisms associated with various neurodegenerative disorders like Alzheimer's disease, Parkinson's disease, Huntington's disease, and amyotrophic lateral sclerosis. Natural endogenous steroids induce the neuroprotection by protecting the nerve cells from neuronal injury through multiple mechanisms, therefore the structural modifications of the endogenous steroids could be helpful in the generation of new therapeutically useful neuroprotective agents...
July 11, 2017: Medicinal Research Reviews
https://www.readbyqxmd.com/read/28691532/is-the-effect-of-coping-styles-disease-specific-relationships-with-emotional-distress-and-quality-of-life-in-acquired-brain-injury-and-multiple-sclerosis
#4
Ingrid Brands, Yvonne Bol, Sven Stapert, Sebastian Köhler, Caroline van Heugten
OBJECTIVE: To investigate the use of coping styles and the relationships linking coping to emotional distress and quality of life in patients with acquired brain injury and multiple sclerosis. METHOD: Cross-sectional cohort study of 143 patients with acquired brain injury and 310 patients with multiple sclerosis in the chronic stage. Quality of life was measured with the Life Satisfaction Questionnaire (LiSat-9), coping styles with the Coping Inventory for Stressful Situations (CISS-T, task-oriented; CISS-E, emotion-oriented; CISS-A, avoidance), emotional distress with the Hospital Anxiety and Depression Scale (HADS)...
July 1, 2017: Clinical Rehabilitation
https://www.readbyqxmd.com/read/28668079/effects-of-bu-shen-yi-sui-capsule-on-nogoa-ngr-and-its-signaling-pathways-rhoa-rock-in-mice-with-experimental-autoimmune-encephalomyelitis
#5
Ling Fang, Yongqiang Wang, Qi Zheng, Tao Yang, Peiyuan Zhao, Hui Zhao, Qiuxia Zhang, Yuanyuan Zhao, Fang Qi, Kangning Li, Zhenzhen Chen, Junling Li, Nan Zhang, Yongping Fan, Lei Wang
BACKGROUND: Axon growth inhibitory factors NogoA/Nogo receptor (NgR) and its signaling pathways RhoA/Rho kinase (ROCK) play a critical role in the repair of nerve damage in multiple sclerosis (MS). Bu Shen Yi Sui Capsule (BSYSC) is an effective Chinese formula utilized to treat MS in clinical setting and noted for its potent neuroprotective effects. In this study, we focus on the effects of BSYSC on promoting nerve repair and the underlying mechanisms in mice with experimental autoimmune encephalomyelitis (EAE), an animal model of MS...
July 1, 2017: BMC Complementary and Alternative Medicine
https://www.readbyqxmd.com/read/28666966/aapt-diagnostic-criteria-for-central-neuropathic-pain
#6
Eva Widerström-Noga, John D Loeser, Troels Staehelin Jensen, Nanna Brix Finnerup
Central neuropathic pain, which is pain caused by a lesion or disease of the central somatosensory nervous system, is a serious consequence of spinal cord injury, stroke, multiple sclerosis, and other conditions affecting the central nervous system. A collaborative effort between the Analgesic, Anesthetic, and Addiction Clinical Trial Translations, Innovations, Opportunities, and Networks public-private partnership and the American Pain Society, the Analgesic, Anesthetic, and Addiction Clinical Trial Translations, Innovations, Opportunities, and Networks-American Pain Society Pain Taxonomy (AAPT) initiative, invited a working group to develop diagnostic criteria for central neuropathic pain...
June 27, 2017: Journal of Pain: Official Journal of the American Pain Society
https://www.readbyqxmd.com/read/28646914/markerless-motion-capture-systems-as-training-device-in-neurological-rehabilitation-a-systematic-review-of-their-use-application-target-population-and-efficacy
#7
REVIEW
Els Knippenberg, Jonas Verbrugghe, Ilse Lamers, Steven Palmaers, Annick Timmermans, Annemie Spooren
BACKGROUND: Client-centred task-oriented training is important in neurological rehabilitation but is time consuming and costly in clinical practice. The use of technology, especially motion capture systems (MCS) which are low cost and easy to apply in clinical practice, may be used to support this kind of training, but knowledge and evidence of their use for training is scarce. The present review aims to investigate 1) which motion capture systems are used as training devices in neurological rehabilitation, 2) how they are applied, 3) in which target population, 4) what the content of the training and 5) efficacy of training with MCS is...
June 24, 2017: Journal of Neuroengineering and Rehabilitation
https://www.readbyqxmd.com/read/28646409/neuroprotective-effects-of-g-csf-administration-in-microglia-mediated-reactive-t-cell-activation-in-vitro
#8
Wei Peng
G-CSF is a growth factor that has known neuroprotective effects in a variety of experimental brain injury models. As both antigen-presenting microglia and reactive T cells are key components in the development and progression of EAE, the aim of this study is to investigate the neuroprotective effects of recombinant human G-CSF, as administered in microglia-mediated reactive T cell assay in vitro. Our results indicate that G-CSF treatment has no apparent effect for the resting un-activated microglia. G-CSF pre-protection of microglia increased protective cytokine IL-4 production and effectively inhibited the productions of NO and other inflammatory mediators (IFN-γ, TNF-α, IL-1β, IL-17, and chemokine MCP-1) after LPS stimulation...
June 23, 2017: Immunologic Research
https://www.readbyqxmd.com/read/28637354/essential-dietary-bioactive-lipids-in-neuroinflammatory-diseases
#9
M Valeria Catani, Valeria Gasperi, Tiziana Bisogno, Mauro Maccarrone
Under physiological conditions, neurons and glia are in a healthy, redox-balanced environment; when injury perturbs this equilibrium, a neuroinflammatory state is established by activated microglia that triggers pro-inflammatory responses and alters the oxidant/antioxidant balance, thus leading to neuronal loss and neurodegeneration. In neurodegenerative diseases (such as Alzheimer's disease, Parkinson's disease, amyothrophic lateral sclerosis, and multiple sclerosis), the brain is in a constitutively self-sustaining cycle of inflammation and oxidative stress that prompts and amplifies brain damage...
June 22, 2017: Antioxidants & Redox Signaling
https://www.readbyqxmd.com/read/28626499/the-effects-of-blast-exposure-on-protein-deimination-in-the-brain
#10
Peter J Attilio, Michael Flora, Alaa Kamnaksh, Donald J Bradshaw, Denes Agoston, Gregory P Mueller
Oxidative stress and calcium excitotoxicity are hallmarks of traumatic brain injury (TBI). While these early disruptions may be corrected over a relatively short period of time, long-lasting consequences of TBI including impaired cognition and mood imbalances can persist for years, even in the absence of any evidence of overt injury based on neuroimaging. This investigation examined the possibility that disordered protein deimination occurs as a result of TBI and may thus contribute to the long-term pathologies of TBI...
2017: Oxidative Medicine and Cellular Longevity
https://www.readbyqxmd.com/read/28616036/correlation-between-white-matter-damage-and-gray-matter-lesions-in-multiple-sclerosis-patients
#11
Xue-Mei Han, Hong-Ji Tian, Zheng Han, Ce Zhang, Ying Liu, Jie-Bing Gu, Rohit Bakshi, Xia Cao
We observed the characteristics of white matter fibers and gray matter in multiple sclerosis patients, to identify changes in diffusion tensor imaging fractional anisotropy values following white matter fiber injury. We analyzed the correlation between fractional anisotropy values and changes in whole-brain gray matter volume. The participants included 20 patients with relapsing-remitting multiple sclerosis and 20 healthy volunteers as controls. All subjects underwent head magnetic resonance imaging and diffusion tensor imaging...
May 2017: Neural Regeneration Research
https://www.readbyqxmd.com/read/28615436/hospital-safety-among-neurologic-patients-a-population-based-cohort-study-of-adverse-events
#12
MULTICENTER STUDY
Khara M Sauro, Hude Quan, Khokan C Sikdar, Peter Faris, Nathalie Jette
OBJECTIVE: To examine the frequency and type of adverse events (AEs) experienced by neurologic patients in hospital. METHODS: This population-based, retrospective cohort study used hospital discharge abstract data for children and adults admitted to hospital from 2009 to 2015 with 1 of 9 neurologic conditions (Alzheimer disease and related dementia, brain tumor, epilepsy, motor neuron disease, multiple sclerosis, parkinsonism/Parkinson disease, spinal cord injury, traumatic brain injury, and stroke)...
July 18, 2017: Neurology
https://www.readbyqxmd.com/read/28577576/sphingosine-1-phosphate-receptor-3-and-rhoa-signaling-mediate-inflammatory-gene-expression-in-astrocytes
#13
Stephanie S Dusaban, Jerold Chun, Hugh Rosen, Nicole H Purcell, Joan Heller Brown
BACKGROUND: Sphingosine 1-phosphate (S1P) signals through G protein-coupled receptors to elicit a wide range of cellular responses. In CNS injury and disease, the blood-brain barrier is compromised, causing leakage of S1P from blood into the brain. S1P can also be locally generated through the enzyme sphingosine kinase-1 (Sphk1). Our previous studies demonstrated that S1P activates inflammation in murine astrocytes. The S1P1 receptor subtype has been most associated with CNS disease, particularly multiple sclerosis...
June 2, 2017: Journal of Neuroinflammation
https://www.readbyqxmd.com/read/28570266/integrin-kindlin3-requirements-for-microglial-motility-in-vivo-are-distinct-from-those-for-macrophages
#14
Julia Meller, Zhihong Chen, Tejasvi Dudiki, Rebecca M Cull, Rakhilya Murtazina, Saswat K Bal, Elzbieta Pluskota, Samantha Stefl, Edward F Plow, Bruce D Trapp, Tatiana V Byzova
Microglia play a critical role in the development and homeostasis of the CNS. While mobilization of microglia is critical for a number of pathologies, understanding of the mechanisms of their migration in vivo is limited and often based on similarities to macrophages. Kindlin3 deficiency as well as Kindlin3 mutations of integrin-binding sites abolish both integrin inside-out and outside-in signaling in microglia, thereby resulting in severe deficiencies in cell adhesion, polarization, and migration in vitro, which are similar to the defects observed in macrophages...
June 2, 2017: JCI Insight
https://www.readbyqxmd.com/read/28541408/loss-of-homeostatic-microglia-and-patterns-of-their-activation-in-active-multiple-sclerosis
#15
Tobias Zrzavy, Simon Hametner, Isabella Wimmer, Oleg Butovsky, Howard L Weiner, Hans Lassmann
Microglia and macrophages accumulate at the sites of active demyelination and neurodegeneration in the multiple sclerosis brain and are thought to play a central role in the disease process. We used recently described markers to characterize the origin and functional states of microglia/macrophages in acute, relapsing and progressive multiple sclerosis. We found microglia activation in normal white matter of controls and that the degree of activation increased with age. This microglia activation was more pronounced in the normal-appearing white matter of patients in comparison to controls and increased with disease duration...
July 1, 2017: Brain: a Journal of Neurology
https://www.readbyqxmd.com/read/28540600/microglial-interferon-signaling-and-white-matter
#16
Ashley McDonough, Richard V Lee, Jonathan R Weinstein
Microglia, the resident immune cells of the CNS, are primary regulators of the neuroimmune response to injury. Type I interferons (IFNs), including the IFNαs and IFNβ, are key cytokines in the innate immune system. Their activity is implicated in the regulation of microglial function both during development and in response to neuroinflammation, ischemia, and neurodegeneration. Data from numerous studies in multiple sclerosis (MS) and stroke suggest that type I IFNs can modulate the microglial phenotype, influence the overall neuroimmune milieu, regulate phagocytosis, and affect blood-brain barrier integrity...
May 25, 2017: Neurochemical Research
https://www.readbyqxmd.com/read/28534174/the-il-1%C3%AE-phenomena-in-neuroinflammatory-diseases
#17
REVIEW
Andrew S Mendiola, Astrid E Cardona
It is becoming increasingly clear that neuroinflammation has a causal role in the pathogenesis of central nervous system (CNS)-related diseases, and therefore therapeutic strategies targeting the regulation or availability of inflammatory mediators can be used to prevent or mitigate pathology. Interestingly, the proinflammatory cytokine, interleukin-1 beta (IL-1β), has been implicated in perpetuating immune responses and contributing to disease severity in a variety of CNS diseases ranging from multiple sclerosis, neurodegenerative diseases, traumatic brain injury, and diabetic retinopathy...
May 22, 2017: Journal of Neural Transmission
https://www.readbyqxmd.com/read/28505283/oxidative-injury-and-iron-redistribution-are-pathological-hallmarks-of-marmoset-experimental-autoimmune-encephalomyelitis
#18
Jordon Dunham, Jan Bauer, Graham R Campbell, Don J Mahad, Nikki van Driel, Susanne M A van der Pol, Bert A 't Hart, Hans Lassmann, Jon D Laman, Jack van Horssen, Yolanda S Kap
Oxidative damage and iron redistribution are associated with the pathogenesis and progression of multiple sclerosis (MS), but these aspects are not entirely replicated in rodent experimental autoimmune encephalomyelitis (EAE) models. Here, we report that oxidative burst and injury as well as redistribution of iron are hallmarks of the MS-like pathology in the EAE model in the common marmoset. Active lesions in the marmoset EAE brain display increased expression of nicotinamide adenine dinucleotide phosphate (NADPH) oxidase (p22phox, p47phox, and gp91phox) and inducible nitric oxide synthase immunoreactivity within lesions with active inflammation and demyelination, coinciding with enhanced expression of mitochondrial heat-shock protein 70 and superoxide dismutase 1 and 2...
June 1, 2017: Journal of Neuropathology and Experimental Neurology
https://www.readbyqxmd.com/read/28499503/mast-cells-in-neuroinflammation-and-brain-disorders
#19
REVIEW
Erik Hendriksen, Doris van Bergeijk, Ronald S Oosting, Frank A Redegeld
It is well recognized that neuroinflammation is involved in the pathogenesis of various neurodegenerative diseases. Microglia and astrocytes are major pathogenic components within this process and known to respond to proinflammatory mediators released from immune cells such as mast cells. Mast cells reside in the brain and are an important source of inflammatory molecules. Mast cell interactions with glial cells and neurons result in the release of mediators such as cytokines, proteases and reactive oxygen species...
August 2017: Neuroscience and Biobehavioral Reviews
https://www.readbyqxmd.com/read/28497982/neuroprotection-in-oxidative-stress-related-neurodegenerative-diseases-role-of-endocannabinoid-system-modulation
#20
Janos Paloczi, Zoltan V Varga, George Hasko, Pal Pacher
SIGNIFICANCE: Redox imbalance may lead to overproduction of reactive oxygen and nitrogen species (ROS/RNS) and subsequent oxidative tissue damage, which is a critical event in the course of neurodegenerative diseases. It is still not fully elucidated, however, whether oxidative stress is the primary trigger or a consequence in the process of neurodegeneration. Recent Advances: Increasing evidence suggests that oxidative stress is involved in the propagation of neuronal injury and consequent inflammatory response, which in concert promote development of pathological alterations characteristic of most common neurodegenerative diseases...
July 18, 2017: Antioxidants & Redox Signaling
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