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https://www.readbyqxmd.com/read/28319836/a-cross-sectional-comparison-of-ethanol-related-cytokine-expression-in-the-hippocampus-of-young-and-aged-fischer-344-rats
#1
Anny Gano, Tamara L Doremus-Fitzwater, Terrence Deak
Our work in Sprague Dawley rats has shown rapid alterations in neuroimmune gene expression (RANGE) in the hippocampus and paraventricular nucleus of the hypothalamus (PVN). These manifest as increased interleukin (IL)-6 and IκBα, and suppressed IL-1β and tumor necrosis factor alpha during acute ethanol intoxication. The present studies tested these effects across the lifespan (young adulthood at 2-3 months; senescence at 18 and 24 months), as well as across strain (Fischer 344) and sex. The hippocampus revealed age-dependent shifts in cytokine expression (IL-6, IL-1β, and monocyte chemoattractant protein 1), but no changes were observed in the PVN at baseline or following ethanol...
March 17, 2017: Neurobiology of Aging
https://www.readbyqxmd.com/read/28293774/hiv-associated-neurodegeneration-and-neuroimmunity-multivoxel-mr-spectroscopy-study-in-drug-na%C3%A3-ve-and-treated-patients
#2
Jasmina Boban, Dusko Kozic, Vesna Turkulov, Jelena Ostojic, Robert Semnic, Dajana Lendak, Snezana Brkic
OBJECTIVES: The aim of this study was to test neurobiochemical changes in normal appearing brain tissue in HIV+ patients receiving and not receiving combined antiretroviral therapy (cART) and healthy controls, using multivoxel MR spectroscopy (mvMRS). METHODS: We performed long- and short-echo 3D mvMRS in 110 neuroasymptomatic subjects (32 HIV+ subjects on cART, 28 HIV+ therapy-naïve subjects and 50 healthy controls) on a 3T MR scanner, targeting frontal and parietal supracallosal subcortical and deep white matter and cingulate gyrus (NAA/Cr, Cho/Cr and mI/Cr ratios were analysed)...
March 14, 2017: European Radiology
https://www.readbyqxmd.com/read/28290524/gut-dysbiosis-and-neuroimmune-responses-to-brain-infection-with-theiler-s-murine-encephalomyelitis-virus
#3
F J Carrillo-Salinas, L Mestre, M Mecha, A Feliú, R Del Campo, N Villarrubia, C Espejo, X Montalbán, J C Álvarez-Cermeño, L M Villar, C Guaza
Recent studies have begun to point out the contribution of microbiota to multiple sclerosis (MS) pathogenesis. Theiler's murine encephalomyelitis virus induced demyelinating disease (TMEV-IDD) is a model of progressive MS. Here, we first analyze the effect of intracerebral infection with TMEV on commensal microbiota and secondly, whether the early microbiota depletion influences the immune responses to TMEV on the acute phase (14 dpi) and its impact on the chronic phase (85 dpi). The intracranial inoculation of TMEV was associated with a moderate dysbiosis...
March 14, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28286912/the-23rd-scientific-conference-of-the-society-on-neuroimmune-pharmacology
#4
Marcus Kaul
The 23rd Scientific Conference of the Society on Neuroimmune Pharmacology (SNIP) will take place in Philadelphia, PA, USA, from March 29 to April 1, 2017. The conference will present a selection of the latest and most advanced research in the intersecting areas of neuroscience, immunology, pharmacology and its translational aspects.
March 13, 2017: Journal of Neuroimmune Pharmacology: the Official Journal of the Society on NeuroImmune Pharmacology
https://www.readbyqxmd.com/read/28275689/distinct-microbiome-neuroimmune-signatures-correlate-with%C3%A2-functional-abdominal-pain-in-children-with-autism-spectrum-disorder
#5
Ruth Ann Luna, Numan Oezguen, Miriam Balderas, Alamelu Venkatachalam, Jessica K Runge, James Versalovic, Jeremy Veenstra-VanderWeele, George M Anderson, Tor Savidge, Kent C Williams
BACKGROUND & AIMS: Emerging data on the gut microbiome in autism spectrum disorder (ASD) suggest that altered host-microbe interactions may contribute to disease symptoms. Although gut microbial communities in children with ASD are reported to differ from individuals with neurotypical development, it is not known whether these bacteria induce pathogenic neuroimmune signals. METHODS: Because commensal clostridia interactions with the intestinal mucosa can regulate disease-associated cytokine and serotonergic pathways in animal models, we evaluated whether microbiome-neuroimmune profiles (from rectal biopsy specimens and blood) differed in ASD children with functional gastrointestinal disorders (ASD-FGID, n = 14) compared with neurotypical (NT) children with FGID (NT-FGID, n = 15) and without abdominal pain (NT, n = 6)...
March 2017: Cellular and Molecular Gastroenterology and Hepatology
https://www.readbyqxmd.com/read/28275350/blockade-of-p2x4-receptors-inhibits-neuropathic-pain-related-behavior-by-preventing-mmp-9-activation-and-consequently-pronociceptive-interleukin-release-in-a-rat-model
#6
Agnieszka M Jurga, Anna Piotrowska, Wioletta Makuch, Barbara Przewlocka, Joanna Mika
Neuropathic pain is still an extremely important problem in today's medicine because opioids, which are commonly used to reduce pain, have limited efficacy in this type of pathology. Therefore, complementary therapy is needed. Our experiments were performed in rats to evaluate the contribution of the purinergic system, especially P2X4 receptor (P2X4R), in the modulation of glia activation and, consequently, the levels of nociceptive interleukins after chronic constriction injury (CCI) of the right sciatic nerve, a rat model of neuropathic pain...
2017: Frontiers in Pharmacology
https://www.readbyqxmd.com/read/28273860/microglial-function-across-the-spectrum-of-age-and-gender
#7
REVIEW
Jillian C Nissen
Microglia constitute the resident immunocompetent cells of the central nervous system. Although much work has focused on their ability to mount an inflammatory response in reaction to pathology, recent studies have delved into their role in maintaining homeostasis in the healthy brain. It is important to note that the function of these cells is more complex than originally conceived, as there is increasing evidence that microglial responses can vary greatly among individuals. Here, this review will describe the changing behavior of microglia from development and birth through to the aged brain...
March 4, 2017: International Journal of Molecular Sciences
https://www.readbyqxmd.com/read/28273337/ethanol-tlr3-and-tlr4-agonists-have-unique-innate-immune-responses-in-neuron-like-sh-sy5y-and-microglia-like-bv2
#8
Colleen J Lawrimore, Fulton T Crews
Ethanol (EtOH) consumption leads to an increase of proinflammatory signaling via activation of toll-like receptors (TLRs) such as TLR3 and TLR4 that leads to kinase activation (ERK1/2, p38, TBK1), transcription factor activation (NFκB, IRF3) and increased transcription of pro-inflammatory cytokines such as TNFα, IL-1β, and IL-6. This immune signaling cascade is thought to play a role in neurodegeneration and alcohol use disorders. While microglia are considered to be the primary macrophage in brain, it is unclear what if any role neurons play in ethanol-induced proinflammatory signaling METHODS: Microglia-like BV2 and retinoic acid differentiated neuron-like SH-SY5Y were treated with TLR3 agonist Poly(I:C), TLR4 agonist LPS, or EtOH for 10 or 30 minutes to examine proinflammatory immune signaling kinase and transcription factor activation using western blot, and for 24 hours to examine induction of proinflammatory gene mRNA using RT-PCR RESULTS: In BV2, both LPS and Poly(I:C) increased p-ERK1/2, p-p38, and p-NFκB by 30 minutes, whereas EtOH decreased p-ERK1/2 and increased p-IRF3...
March 8, 2017: Alcoholism, Clinical and Experimental Research
https://www.readbyqxmd.com/read/28261110/the-neuroinflammatory-etiopathology-of-myalgic-encephalomyelitis-chronic-fatigue-syndrome-me-cfs
#9
Julian A G Glassford
Myalgic Encephalomyelitis/Chronic Fatigue Syndrome (ME/CFS) is a debilitating multi-systemic chronic illness of unknown etiology, classified as a neurological disorder by the World Health Organization (WHO). The symptomatology of the condition appears to emanate from a variety of sources of chronic neurological disturbance and associated distortions, and chronicity, in noxious sensory signaling and neuroimmune activation. This article incorporates a summary review and discussion of biomedical research considered relevant to this essential conception perspective...
2017: Frontiers in Physiology
https://www.readbyqxmd.com/read/28261067/palatable-hyper-caloric-foods-impact-on-neuronal-plasticity
#10
REVIEW
Jean-Pascal Morin, Luis F Rodríguez-Durán, Kioko Guzmán-Ramos, Claudia Perez-Cruz, Guillaume Ferreira, Sofia Diaz-Cintra, Gustavo Pacheco-López
Neural plasticity is an intrinsic and essential characteristic of the nervous system that allows animals "self-tuning" to adapt to their environment over their lifetime. Activity-dependent synaptic plasticity in the central nervous system is a form of neural plasticity that underlies learning and memory formation, as well as long-lasting, environmentally-induced maladaptive behaviors, such as drug addiction and overeating of palatable hyper-caloric (PHc) food. In western societies, the abundance of PHc foods has caused a dramatic increase in the incidence of overweight/obesity and related disorders...
2017: Frontiers in Behavioral Neuroscience
https://www.readbyqxmd.com/read/28259044/neuroimmune-mechanisms-of-behavioral-alterations-in-a-syngeneic-murine-model-of-human-papilloma-virus-related-head-and-neck-cancer
#11
Elisabeth G Vichaya, Daniel W Vermeer, Diana L Christian, Jessica M Molkentine, Kathy A Mason, John H Lee, Robert Dantzer
Patients with cancer often experience a high symptom burden prior to the start of treatment. As disease- and treatment-related neurotoxicities appear to be additive, targeting disease-related symptoms may attenuate overall symptom burden for cancer patients and improve the tolerability of treatment. It has been hypothesized that disease-related symptoms are a consequence of tumor-induced inflammation. We tested this hypothesis using a syngeneic heterotopic murine model of human papilloma virus (HPV)-related head and neck cancer...
February 11, 2017: Psychoneuroendocrinology
https://www.readbyqxmd.com/read/28255762/semax-an-analog-of-acth-4-7-regulates-expression-of-immune-response-genes-during-ischemic-brain-injury-in-rats
#12
Ekaterina V Medvedeva, Veronika G Dmitrieva, Svetlana A Limborska, Nikolay F Myasoedov, Lyudmila V Dergunova
Brain stroke continues to claim the lives of million people every year. To build the effective strategies for stroke treatment it is necessary to understand the neuroprotective mechanisms that are able to prevent the ischemic injury. Consisting of the ACTH(4-7) fragment and the tripeptide Pro-Gly-Pro (PGP), the synthetic peptide Semax effectively protects brain against ischemic stroke. However, the molecular mechanisms underlying its neuroprotection and participation of PGP in them are still needed to be clarified...
March 2, 2017: Molecular Genetics and Genomics: MGG
https://www.readbyqxmd.com/read/28251486/the-23-rd-scientific-conference-of-the-society-on-neuroimmune-pharmacology-program-and-abstracts
#13
(no author information available yet)
No abstract text is available yet for this article.
April 2017: Journal of Neuroimmune Pharmacology: the Official Journal of the Society on NeuroImmune Pharmacology
https://www.readbyqxmd.com/read/28242869/in-vivo-imaging-of-translocator-protein-a-marker-of-activated-microglia-in-alcohol-dependence
#14
A T Hillmer, C M Sandiego, J Hannestad, G A Angarita, A Kumar, E M McGovern, Y Huang, K C O'Connor, R E Carson, S S O'Malley, K P Cosgrove
Neuroinflammation may be a critical component of the neurobiology of alcohol use disorders, yet the exact nature of this relationship is not well understood. This work compared the brain and peripheral immune profile of alcohol-dependent subjects and controls. Brain levels of 18-kDa translocator protein (TSPO), a marker of microglial activation and neuroinflammation, were measured with [(11)C]PBR28 positron emission tomography imaging in 15 healthy controls and 15 alcohol-dependent subjects. Alcohol-dependent subjects were imaged 1-4 days (n=14) or 24 days (n=1) after their last drink...
February 28, 2017: Molecular Psychiatry
https://www.readbyqxmd.com/read/28237711/pharmacological-inhibition-of-faah-modulates-tlr-induced-neuroinflammation-but-not-sickness-behaviour-an-effect-partially-mediated-by-central-trpv1
#15
Rebecca J Henry, Daniel M Kerr, Lisa E Flannery, Marykate Killilea, Edel M Hughes, Louise Corcoran, David P Finn, Michelle Roche
Aberrant activation of toll-like receptors (TLRs), key components of the innate immune system, has been proposed to underlie and exacerbate a range of central nervous system disorders. Increasing evidence supports a role for the endocannabinoid system in modulating inflammatory responses including those mediated by TLRs, and thus this system may provide an important treatment target for neuroinflammatory disorders. However, the effect of modulating endocannabinoid tone on TLR-induced neuroinflammation in vivo and associated behavioural changes is largely unknown...
February 22, 2017: Brain, Behavior, and Immunity
https://www.readbyqxmd.com/read/28222507/recent-progress-in-alzheimer-s-disease-research-part-1-pathology
#16
Francis T Hane, Brenda Y Lee, Zoya Leonenko
The field of Alzheimer's disease (AD) research has grown exponentially over the past few decades, especially since the isolation and identification of amyloid-β from postmortem examination of the brains of AD patients. Recently, the Journal of Alzheimer's Disease (JAD) put forth approximately 300 research reports which were deemed to be the most influential research reports in the field of AD since 2010. JAD readers were asked to vote on these most influential reports. In this 3-part review, we review the results of the 300 most influential AD research reports to provide JAD readers with a readily accessible, yet comprehensive review of the state of contemporary research...
2017: Journal of Alzheimer's Disease: JAD
https://www.readbyqxmd.com/read/28216088/sex-differences-in-the-neuro-immune-consequences-of-stress-focus-on-depression-and-anxiety
#17
REVIEW
Mandakh Bekhbat, Gretchen N Neigh
Women appear to be more vulnerable to the depressogenic effects of inflammation than men. Chronic stress, one of the most pertinent risk factors of depression and anxiety, is known to induce behavioral and affective-like deficits via neuroimmune alterations including activation of the brain's immune cells, pro-inflammatory cytokine expression, and subsequent changes in neurotransmission and synaptic plasticity within stress-related neural circuitry. Despite well-established sexual dimorphisms in the stress response, immunity, and prevalence of stress-linked psychiatric illnesses, much of current research investigating the neuroimmune impact of stress remains exclusively focused on male subjects...
February 16, 2017: Brain, Behavior, and Immunity
https://www.readbyqxmd.com/read/28215300/the-role-of-neurotrophins-in-inflammation-and-allergy
#18
S Manti, P Brown, M K Perez, G Piedimonte
Allergic inflammation is the result of a specific pattern of cellular and humoral responses leading to the activation of the innate and adaptive immune system, which, in turn, results in physiological and structural changes affecting target tissues such as the airways and the skin. Eosinophil activation and the production of soluble mediators such as IgE antibodies are pivotal features in the pathophysiology of allergic diseases. In the past few years, however, convincing evidence has shown that neurons and other neurosensory structures are not only a target of the inflammatory process but also participate in the regulation of immune responses by actively releasing soluble mediators...
2017: Vitamins and Hormones
https://www.readbyqxmd.com/read/28198833/neuroimmune-interactions-astrocytes
#19
Ioana Visan
No abstract text is available yet for this article.
February 15, 2017: Nature Immunology
https://www.readbyqxmd.com/read/28198826/neuroimmune-interactions-ilc3s
#20
Ioana Visan
No abstract text is available yet for this article.
February 15, 2017: Nature Immunology
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