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Neuro immunology

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https://www.readbyqxmd.com/read/28700967/eosinophilic-granuloma-at-the-cerebellopontine-angle-in-an-adult-a-rare-case-report-and-literature-review
#1
Arash Safarian, Nima Derakhshan, Mousa Taghipour, Amirreza Dehghanian
INTRODUCTION: Langerhans cell histiocytosis (LCH) is a rare immunologic disorder, identified by immature proliferation of histiocytes which may present as systemic or focal lesions. Eosinophilic granuloma (EG) is localized from of LCH mainly involving bones such as skull, femur, spine, ribs, mandible and pelvis. Cerebello-pontine (CP) angle is a rare anatomic location for involvement by EG. PRESENTATION OF CASE: A 32 year old man was being evaluated in our neuro-oncology clinic due to diplopia since 4 months ago...
June 29, 2017: International Journal of Surgery Case Reports
https://www.readbyqxmd.com/read/28671614/endocannabinod-signal-dysregulation-in-autism-spectrum-disorders-a-correlation-link-between-inflammatory-state-and-neuro-immune-alterations
#2
REVIEW
Anna Lisa Brigida, Stephen Schultz, Mariana Cascone, Nicola Antonucci, Dario Siniscalco
Several studies highlight a key involvement of endocannabinoid (EC) system in autism pathophysiology. The EC system is a complex network of lipid signaling pathways comprised of arachidonic acid-derived compounds (anandamide, AEA) and 2-arachidonoyl glycerol (2-AG), their G-protein-coupled receptors (cannabinoid receptors CB1 and CB2) and the associated enzymes. In addition to autism, the EC system is also involved in several other psychiatric disorders (i.e., anxiety, major depression, bipolar disorder and schizophrenia)...
July 3, 2017: International Journal of Molecular Sciences
https://www.readbyqxmd.com/read/28646838/immune-response-cytokines-as-potential-biomarkers-for-ddt-induced-neurodegeneration
#3
Héctor Luis Maldonado-Pérez, Judith Graber, Mark Gregory Robson
Background: The world incidence rate of Alzheimer’s Disease (AD) is 64 cases per 1,000 individuals. Due to the aging population, the prevalence of AD is however increasing and yet, little remains known about the etiology of AD. Objective: Previous studies suggested relationships between AD, neuro-inflammation and organochloride pesticide exposures, therefore, we aimed to study the association between DDT and possible biomarkers of AD. Materials and Methods: We explored literature on inflammation, pesticide exposure and biomarkers associated with AD...
2017: Roczniki Państwowego Zakładu Higieny
https://www.readbyqxmd.com/read/28646138/uniting-the-neuro-developmental-and-immunological-hypotheses-neuregulin-1-receptor-erbb-and-toll-like-receptor-activation-in-first-episode-schizophrenia
#4
Szabolcs Kéri, Csilla Szabó, Oguz Kelemen
Current pathophysiological models of schizophrenia focus on neurodevelopmental and immunological mechanisms. We investigated a molecular pathway traditionally linked to the neurodevelopmental hypothesis (neuregulin 1 - ErbB), and pathogen-associated pattern recognition receptors associated with the immune hypothesis (Toll-like receptors, TLRs). We recruited 42 first-episode, drug-naïve patients with schizophrenia and 42 matched healthy control subjects. In monocytes TLR4/TLR5 and ErbB expressions were measured with flow-cytometry...
June 23, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28637489/synaptoimmunology-roles-in-health-and-disease
#5
REVIEW
Robert Nisticò, Eric Salter, Celine Nicolas, Marco Feligioni, Dalila Mango, Zuner A Bortolotto, Pierre Gressens, Graham L Collingridge, Stephane Peineau
Mounting evidence suggests that the nervous and immune systems are intricately linked. Many proteins first identified in the immune system have since been detected at synapses, playing different roles in normal and pathological situations. In addition, novel immunological functions are emerging for proteins typically expressed at synapses. Under normal conditions, release of inflammatory mediators generally represents an adaptive and regulated response of the brain to immune signals. On the other hand, when immune challenge becomes prolonged and/or uncontrolled, the consequent inflammatory response leads to maladaptive synaptic plasticity and brain disorders...
June 20, 2017: Molecular Brain
https://www.readbyqxmd.com/read/28636960/mechanisms-and-therapeutic-relevance-of-neuro-immune-communication
#6
REVIEW
Sangeeta S Chavan, Valentin A Pavlov, Kevin J Tracey
Active research at the frontiers of immunology and neuroscience has identified multiple points of interaction and communication between the immune system and the nervous system. Immune cell activation stimulates neuronal circuits that regulate innate and adaptive immunity. Molecular mechanistic insights into the inflammatory reflex and other neuro-immune interactions have greatly advanced our understanding of immunity and identified new therapeutic possibilities in inflammatory and autoimmune diseases. Recent successful clinical trials using bioelectronic devices that modulate the inflammatory reflex to significantly ameliorate rheumatoid arthritis and inflammatory bowel disease provide a path for using electrons as a therapeutic modality for targeting molecular mechanisms of immunity...
June 20, 2017: Immunity
https://www.readbyqxmd.com/read/28615730/pain-in-ankylosing-spondylitis-a-neuro-immune-collaboration
#7
REVIEW
Katayoon Bidad, Eric Gracey, Kasey S Hemington, Josiane C S Mapplebeck, Karen D Davis, Robert D Inman
Clinicians have commonly differentiated chronic back pain into two broad subsets: namely, non-inflammatory (or mechanical) back pain and inflammatory back pain. As the terminology suggests, the latter category, in which ankylosing spondylitis (AS) is prominent, presupposes a close link between pain and inflammation. Advances in research into the genetics and immunology of AS have improved our understanding of the inflammatory processes involved in this disease, and have led to the development of potent anti-inflammatory biologic therapeutic agents...
July 2017: Nature Reviews. Rheumatology
https://www.readbyqxmd.com/read/28567537/hiv-1-associated-neurocognitive-disorder-epidemiology-pathogenesis-diagnosis-and-treatment
#8
REVIEW
Christian Eggers, Gabriele Arendt, Katrin Hahn, Ingo W Husstedt, Matthias Maschke, Eva Neuen-Jacob, Mark Obermann, Thorsten Rosenkranz, Eva Schielke, Elmar Straube
The modern antiretroviral treatment of human immunodeficiency virus (HIV-1) infection has considerably lowered the incidence of opportunistic infections. With the exception of the most severe dementia manifestations, the incidence and prevalence of HIV-associated neurocognitive disorders (HAND) have not decreased, and HAND continues to be relevant in daily clinical practice. Now, HAND occurs in earlier stages of HIV infection, and the clinical course differs from that before the widespread use of combination antiretroviral treatment (cART)...
May 31, 2017: Journal of Neurology
https://www.readbyqxmd.com/read/28476689/pax6-interacts-with-iba1-and-shows-age-associated-alterations-in-brain-of-aging-mice
#9
Shashank Kumar Maurya, Rajnikant Mishra
The Pax6, a transcriptional regulator and multifunctional protein, has been found critical for neurogenesis, neuro-degeneration, mental retardation, neuroendocrine tumors, glioblastoma and astrocytomas. The age-associated alteration in the expression of Pax6 in neuron and glia has also been observed in the immunologically privileged brain. Therefore, it is presumed that Pax6 may modulate brain immunity by activation of microglia either directly interacting with genes or proteins of microglia or indirectly though inflammation associated with neurodegeneration...
May 3, 2017: Journal of Chemical Neuroanatomy
https://www.readbyqxmd.com/read/28465217/antidepressants-induce-autophagy-dependent-nlrp3-inflammasome-inhibition-in-major-depressive-disorder
#10
Elísabet Alcocer-Gómez, Nieves Casas-Barquero, Matthew R Williams, Samuel L Romero-Guillena, Diego Cañadas-Lozano, Pedro Bullón, José Antonio Sánchez-Alcazar, José M Navarro-Pando, Mario D Cordero
Major Depressive Disorder (MDD, ICD-10: F-33) is a prevalent illness in which the pathogenic mechanism remains elusive. Recently an important role has been attributed to neuro-inflammation, and specifically the NLRP3-inflammasome complex, in the pathogenesis of MDD. This suggests a key role for immunomodulation as a key pathway in the treatment of this disorder. This study evaluates the involvement of nine common antidepressants in the NLRP3-inflammasome complex (fluoxetine, paroxetine, mianserin, mirtazapine, venlafaxine, desvenlafaxine, amitriptyline, imipramine and agomelatine), both in in vitro THP-1 cells stimulated by ATP, and in a stress-induced depressive animal or MDD patients...
May 2, 2017: Pharmacological Research: the Official Journal of the Italian Pharmacological Society
https://www.readbyqxmd.com/read/28414692/neuronal-fibers-and-neurotransmitter-receptor-expression-in-the-human-endolymphatic-sac
#11
Martin Nue Møller, Svend Kirkeby, Jonas Vikeså, Finn Cilius Nielsen, Per Cayé-Thomasen
INTRODUCTION: Recent studies suggest that the human endolymphatic sac (ES) may have multiple functions, including an ion-transport capacity comparable to the kidney, an immunological capacity and a possible natriuretic capacity. Further, there have been speculations of a yet undefined role in intracranial pressure homeostasis. The anatomical location towards the sigmoid sinus would suggest a possible endo- and/or paracrine signaling. However, neuronal connections may also apply, but it remains very scarcely explored in the human ES...
June 2017: Otology & Neurotology
https://www.readbyqxmd.com/read/28342781/modulation-of-neuroinflammation-role-and-therapeutic-potential-of-trpv1-in-the-neuro-immune-axis
#12
REVIEW
Wei-Lin Kong, Yuan-Yuan Peng, Bi-Wen Peng
Transient receptor potential vanilloid type 1 channel (TRPV1), as a ligand-gated non-selective cation channel, has recently been demonstrated to have wide expression in the neuro-immune axis, where its multiple functions occur through regulation of both neuronal and non-neuronal activities. Growing evidence has suggested that TRPV1 is functionally expressed in glial cells, especially in the microglia and astrocytes. Glial cells perform immunological functions in response to pathophysiological challenges through pro-inflammatory or anti-inflammatory cytokines and chemokines in which TRPV1 is involved...
March 22, 2017: Brain, Behavior, and Immunity
https://www.readbyqxmd.com/read/28334859/neurocognitive-function-of-school-aged-hiv-infected-children-in-enugu-nigeria
#13
Kenechukwu K Iloh, Ifeoma J Emodi, Ngozi S Ibeziako, Anthony N Ikefuna, Agozie C Ubesie, Ogochukwu N Iloh, Gideon C Ilechukwu, Adaeze C Ayuk
Background: Evidence has shown neurocognitive problems often exist among human immunodeficiency virus (HIV)-infected children. There are limited data for children in Nigeria. Methods: This was a cross-sectional study of 100 school-aged perinatally HIV-infected children seen in the paediatric HIV clinic and age/sex-matched controls from the general paediatric clinic. Neuro-cognitive functioning was assessed using the Raven's progressive matrices (RPM) that has been adapted for the Nigerian population...
February 20, 2017: Journal of Tropical Pediatrics
https://www.readbyqxmd.com/read/28170426/chronic-social-stress-in-pigs-impairs-intestinal-barrier-and-nutrient-transporter-function-and-alters-neuro-immune-mediator-and-receptor-expression
#14
Yihang Li, Zehe Song, Katelyn A Kerr, Adam J Moeser
Psychosocial stress is a major factor driving gastrointestinal (GI) pathophysiology and disease susceptibility in humans and animals. The mechanisms governing susceptibility to stress-induced GI disease remain poorly understood. In the present study, we investigated the influence of chronic social stress (CSS) in pigs, induced by 7 d of chronic mixing/crowding stress, on intestinal barrier and nutrient transport function, corticotropin releasing factor (CRF) signaling and immunological responses. Results from this study showed that CSS resulted in a significant impairment of ileal and colonic barrier function indicated by reduced transepithelial electrical resistance (TER) in the ileum and increased FD4 flux in the ileum (by 0...
2017: PloS One
https://www.readbyqxmd.com/read/28155577/neurobiology-of-depression-a-neurodevelopmental-approach
#15
Juan M Lima-Ojeda, Rainer Rupprecht, Thomas C Baghai
OBJECTIVES: The main aims of this paper are to review and evaluate the neurobiology of the depressive syndrome from a neurodevelopmental perspective. METHODS: An English language literature search was performed using PubMed. RESULTS: Depression is a complex syndrome that involves anatomical and functional changes that have an early origin in the brain development. In subjects with genetic risk for depression, early stress factors are able to mediate not only the genetic risk but also the gene expression...
February 3, 2017: World Journal of Biological Psychiatry
https://www.readbyqxmd.com/read/28132690/mutations-in-extl3-cause-neuro-immuno-skeletal-dysplasia-syndrome
#16
Machteld M Oud, Paul Tuijnenburg, Maja Hempel, Naomi van Vlies, Zemin Ren, Sacha Ferdinandusse, Machiel H Jansen, René Santer, Jessika Johannsen, Chiara Bacchelli, Marielle Alders, Rui Li, Rosalind Davies, Lucie Dupuis, Catherine M Cale, Ronald J A Wanders, Steven T Pals, Louise Ocaka, Chela James, Ingo Müller, Kai Lehmberg, Tim Strom, Hartmut Engels, Hywel J Williams, Phil Beales, Ronald Roepman, Patricia Dias, Han G Brunner, Jan-Maarten Cobben, Christine Hall, Taila Hartley, Polona Le Quesne Stabej, Roberto Mendoza-Londono, E Graham Davies, Sérgio B de Sousa, Davor Lessel, Heleen H Arts, Taco W Kuijpers
EXTL3 regulates the biosynthesis of heparan sulfate (HS), important for both skeletal development and hematopoiesis, through the formation of HS proteoglycans (HSPGs). By whole-exome sequencing, we identified homozygous missense mutations c.1382C>T, c.1537C>T, c.1970A>G, and c.2008T>G in EXTL3 in nine affected individuals from five unrelated families. Notably, we found the identical homozygous missense mutation c.1382C>T (p.Pro461Leu) in four affected individuals from two unrelated families. Affected individuals presented with variable skeletal abnormalities and neurodevelopmental defects...
February 2, 2017: American Journal of Human Genetics
https://www.readbyqxmd.com/read/28130190/the-immunologic-considerations-in-human-head-transplantation
#17
REVIEW
Mark A Hardy, Allen Furr, Juan P Barret, John H Barker
The idea of head transplantation appears at first as unrealistic, unethical, and futile. Here we discuss immunological considerations in human head transplantation. In a separate accompanying article we discuss surgical, ethical, and psychosocial issues concerned in body-to-head transplantation (BHT) [1]. The success of such an unusual allograft, where the donor and the recipient can reject each other, depends on prevention of complex immunologic reactions, especially rejection of the head by the body (graft-vs-host) or probably less likely, the possibility of the head rejecting the total body allograft (host-vs-graft)...
January 24, 2017: International Journal of Surgery
https://www.readbyqxmd.com/read/28018339/conceptual-spaces-of-the-immune-system
#18
Walter Fierz
The immune system can be looked at as a cognitive system. This is often done in analogy to the neuro-psychological system. Here, it is demonstrated that the cognitive functions of the immune system can be properly described within a new theory of cognitive science. Gärdenfors' geometrical framework of conceptual spaces is applied to immune cognition. Basic notions, like quality dimensions, natural properties and concepts, similarities, prototypes, saliences, etc., are related to cognitive phenomena of the immune system...
2016: Frontiers in Immunology
https://www.readbyqxmd.com/read/28006716/biomolecular-aspects-of-depression-a-retrospective-analysis
#19
Brandon N Peacock, David J Scheiderer, Gottfried H Kellermann
OBJECTIVE: The effects of psychological stress, oxidative stress, and chronic low grade inflammation on the neuro-immune connection have been implicated in the pathogenesis of depression. Thus, in the recent past, there has been a growing effort in determining the mechanism of this pathogenesis. While attempting to map out, this mechanism researchers and clinicians have searched for clinically relevant biomarkers for use in the diagnosis and for the assessment of those suffering from depression...
February 2017: Comprehensive Psychiatry
https://www.readbyqxmd.com/read/27976933/treatment-of-pain-following-cancer-applying-neuro-immunology-in-rehabilitation-practice
#20
Jo Nijs, Laurence Leysen, Roselien Pas, Nele Adriaenssens, Mira Meeus, Wouter Hoelen, Kelly Ickmans, Niamh Moloney
AIM: Pain is the second most frequent persistent symptom following cancer treatment. This article aims at explaining how the implementation of contemporary pain neuroscience can benefit rehabilitation for adults following cancer treatment within an evidence-based perspective. MATERIALS AND METHODS: Narrative review. RESULTS: First, pain education is an effective but underused strategy for treating cancer related pain. Second, our neuro-immunological understanding of how stress can influence pain highlights the importance of integrating stress management into the rehabilitation approach for patients having cancer-related pain...
December 15, 2016: Disability and Rehabilitation
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