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Journal of Neuroinflammation

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https://www.readbyqxmd.com/read/29233180/distinct-cytokine-patterns-may-regulate-the-severity-of-neonatal-asphyxia-an-observational-study
#1
Anna Bajnok, László Berta, Csaba Orbán, Gábor Veres, Dénes Zádori, Hajnalka Barta, Ünőke Méder, László Vécsei, Tivadar Tulassay, Miklós Szabó, Gergely Toldi
BACKGROUND: Neuroinflammation and a systemic inflammatory reaction are important features of perinatal asphyxia. Neuroinflammation may have dual aspects being a hindrance, but also a significant help in the recovery of the CNS. We aimed to assess intracellular cytokine levels of T-lymphocytes and plasma cytokine levels in moderate and severe asphyxia in order to identify players of the inflammatory response that may influence patient outcome. METHODS: We analyzed the data of 28 term neonates requiring moderate systemic hypothermia in a single-center observational study...
December 12, 2017: Journal of Neuroinflammation
https://www.readbyqxmd.com/read/29233148/dna-repair-protein-ape1-is-involved-in-host-response-during-pneumococcal-meningitis-and-its-expression-can-be-modulated-by-vitamin-b6
#2
Leonam G Coutinho, Ana Helena Sales de Oliveira, Matthias Witwer, Stephen L Leib, Lucymara F Agnez-Lima
BACKGROUND: The production of reactive oxygen species (ROS) during pneumococcal meningitis (PM) leads to severe DNA damage in the neurons and is the major cause of cell death during infection. Hence, the use of antioxidants as adjuvant therapy has been investigated. Previous studies have demonstrated the possible participation of apurinic/apyrimidinic endonuclease (APE1) during PM. The aims of this study were to investigate the APE1 expression in the cortical and hippocampal tissues of infant Wistar rats infected with Streptococcus pneumoniae and its association with cell death and understand the role of vitamin B6 (vitB6) as a protective factor against cell death...
December 12, 2017: Journal of Neuroinflammation
https://www.readbyqxmd.com/read/29228979/contrasting-effect-of-the-latency-reversing-agents-bryostatin-1-and-jq1-on-astrocyte-mediated-neuroinflammation-and-brain-neutrophil-invasion
#3
Alizé Proust, Corinne Barat, Mathieu Leboeuf, Jean Drouin, Michel J Tremblay
BACKGROUND: Despite effectiveness of the combined antiretroviral therapy, HIV-1 persists in long-lived latently infected cells. Consequently, new therapeutic approaches aimed at eliminating this latent reservoir are currently being developed. A "shock and kill" strategy using latency-reversing agents (LRA) to reactivate HIV-1 has been proposed. However, the impact of LRA on the central nervous system (CNS) remains elusive. METHODS: We used human fetal astrocytes and investigated the effects of several LRA on their functional and secretory activities...
December 11, 2017: Journal of Neuroinflammation
https://www.readbyqxmd.com/read/29228978/asiatic-acid-attenuates-methamphetamine-induced-neuroinflammation-and-neurotoxicity-through-blocking-of-nf-kb-stat3-erk-and-mitochondria-mediated-apoptosis-pathway
#4
Ji-Hyun Park, Young Ho Seo, Jung-Hee Jang, Chul-Ho Jeong, Sooyeun Lee, Byoungduck Park
BACKGROUND: Methamphetamine (METH) is a commonly abused drug that may result in neurotoxic effects. Recent studies have suggested that involvement of neuroinflammatory processes in brain dysfunction is induced by misuse of this drug. However, the mechanism underlying METH-induced inflammation and neurotoxicity in neurons is still unclear. In this study, we investigated whether asiatic acid (AA) effected METH-mediated neuroinflammation and neurotoxicity in dopaminergic neuronal cells. And we further determined whether the effect involved in the nuclear factor kappa-light-chain-enhancer of activated B cells (NF-κB) and signal transducer and activator of transcription (STAT)3 and extracellular signal-regulated kinase (ERK) pathway...
December 11, 2017: Journal of Neuroinflammation
https://www.readbyqxmd.com/read/29228971/alpha-synuclein-oligomer-selective-antibodies-reduce-intracellular-accumulation-and-mitochondrial-impairment-in-alpha-synuclein-exposed-astrocytes
#5
Gabriel Gustafsson, Veronica Lindström, Jinar Rostami, Eva Nordström, Lars Lannfelt, Joakim Bergström, Martin Ingelsson, Anna Erlandsson
BACKGROUND: Due to its neurotoxic properties, oligomeric alpha-synuclein (α-syn) has been suggested as an attractive target for passive immunization against Parkinson's disease (PD). In mouse models of PD, antibody treatment has been shown to lower the levels of pathogenic α-syn species, including oligomers, although the mechanisms of action remain unknown. We have previously shown that astrocytes rapidly engulf α-syn oligomers that are intracellularly stored, rather than degraded, resulting in impaired mitochondria...
December 11, 2017: Journal of Neuroinflammation
https://www.readbyqxmd.com/read/29212498/salvianolic-acid-b-protects-against-lipopolysaccharide-induced-behavioral-deficits-and-neuroinflammatory-response-involvement-of-autophagy-and-nlrp3-inflammasome
#6
Pei Jiang, Yujin Guo, Ruili Dang, Mengqi Yang, Dehua Liao, Huande Li, Zhen Sun, Qingyan Feng, Pengfei Xu
BACKGROUND: The NLRP3 inflammasome activation and neuroinflammation are known to be involved in the pathology of depression, whereas autophagy has multiple effects on immunity, which is partly mediated by the regulation of inflammasome and clearance of proinflammatory cytokines. Given the emerging evidence that autophagy dysfunction plays an essential role in depression, it is very likely that autophagy may interact with the inflammatory process in the development and treatment of depression...
December 6, 2017: Journal of Neuroinflammation
https://www.readbyqxmd.com/read/29202856/sulfosuccinimidyl-oleate-sodium-is-neuroprotective-and-alleviates-stroke-induced-neuroinflammation
#7
Hiramani Dhungana, Mikko T Huuskonen, Merja Jaronen, Sighild Lemarchant, Humair Ali, Velta Keksa-Goldsteine, Gundars Goldsteins, Katja M Kanninen, Jari Koistinaho, Tarja Malm
BACKGROUND: Ischemic stroke is one of the main causes of death and disability worldwide. It is caused by the cessation of cerebral blood flow resulting in the insufficient delivery of glucose and oxygen to the neural tissue. The inflammatory response initiated by ischemic stroke in order to restore tissue homeostasis in the acute phase of stroke contributes to delayed brain damage. METHODS: By using in vitro models of neuroinflammation and in vivo model of permanent middle cerebral artery occlusion, we demonstrate the neuroprotective and anti-inflammatory effects of sulfosuccinimidyl oleate sodium (SSO)...
December 4, 2017: Journal of Neuroinflammation
https://www.readbyqxmd.com/read/29202854/neuronal-ccl2-expression-drives-inflammatory-monocyte-infiltration-into-the-brain-during-acute-virus-infection
#8
Charles L Howe, Reghann G LaFrance-Corey, Emma N Goddery, Renee K Johnson, Kanish Mirchia
BACKGROUND: Viral encephalitis is a dangerous compromise between the need to robustly clear pathogen from the brain and the need to protect neurons from bystander injury. Theiler's murine encephalomyelitis virus (TMEV) infection of C57Bl/6 mice is a model of viral encephalitis in which the compromise results in hippocampal damage and permanent neurological sequelae. We previously identified brain-infiltrating inflammatory monocytes as the primary driver of this hippocampal pathology, but the mechanisms involved in recruiting these cells to the brain were unclear...
December 4, 2017: Journal of Neuroinflammation
https://www.readbyqxmd.com/read/29202778/regulator-of-oligodendrocyte-maturation-mir-219-a-potential-biomarker-for-ms
#9
Ilona B Bruinsma, Marie van Dijk, Claire Bridel, Timothy van de Lisdonk, Sanne Q Haverkort, Tessel F Runia, Lawrence Steinman, Rogier Q Hintzen, Joep Killestein, Marcel M Verbeek, Charlotte E Teunissen, Brigit A de Jong
BACKGROUND: Multiple sclerosis (MS) is a demyelinating and degenerative disease of the central nervous system. Normally, demyelination is followed by remyelination, which requires repopulation of a demyelinated area by oligodendrocyte precursor cells. Although large numbers of precursor cells are present in MS lesions, remyelination often fails, in part by the inability of precursor cells to differentiate into mature myelin-forming cells. In mouse and rat, miR-219 is required for this differentiation...
December 4, 2017: Journal of Neuroinflammation
https://www.readbyqxmd.com/read/29202771/selective-proliferative-response-of-microglia-to-alternative-polarization-signals
#10
Giovanna Pepe, Marcella De Maglie, Lucia Minoli, Alessandro Villa, Adriana Maggi, Elisabetta Vegeto
BACKGROUND: Microglia are resident myeloid cells of the central nervous system (CNS) that are maintained by self-renewal and actively participate in tissue homeostasis and immune defense. Under the influence of endogenous or pathological signals, microglia undertake biochemical transformations that are schematically classified as the pro-inflammatory M1 phenotype and the alternatively activated M2 state. Dysregulated proliferation of M1-activated microglia has detrimental effects, while an increased number of microglia with the alternative, pro-resolving phenotype might be beneficial in brain pathologies; however, the proliferative response of microglia to M2 signals is not yet known...
December 4, 2017: Journal of Neuroinflammation
https://www.readbyqxmd.com/read/29197398/pharmacologic-activation-of-cholinergic-alpha7-nicotinic-receptors-mitigates-depressive-like-behavior-in-a-mouse-model-of-chronic-stress
#11
Dan Zhao, Xulin Xu, Linna Pan, Wei Zhu, Xiaopei Fu, Lianjun Guo, Qing Lu, Jian Wang
BACKGROUND: It has been shown that chronic stress-induced depression is associated with exaggerated inflammatory response in the brain. Alpha7 nicotinic acetylcholine receptors (α7nAChRs) regulate the cholinergic anti-inflammatory pathway, but the role of cholinergic signaling and α7nAChR in chronic stress has not yet been examined. METHODS: In this study, we used a well-documented model of depression in which mice were exposed to 6 h of restraint stress for 21 consecutive days...
December 2, 2017: Journal of Neuroinflammation
https://www.readbyqxmd.com/read/29179727/mild-endoplasmic-reticulum-stress-ameliorates-lipopolysaccharide-induced-neuroinflammation-and-cognitive-impairment-via-regulation-of-microglial-polarization
#12
Yi-Wei Wang, Qin Zhou, Xiang Zhang, Qing-Qing Qian, Jia-Wen Xu, Peng-Fei Ni, Yan-Ning Qian
BACKGROUND: Neuroinflammation, which ultimately leads to neuronal loss, is considered to play a crucial role in numerous neurodegenerative diseases. The neuroinflammatory process is characterized by the activation of glial cells such as microglia. Endoplasmic reticulum (ER) stress is commonly associated with impairments in neuronal function and cognition, but its relationship and role in neurodegeneration is still controversial. Recently, it was confirmed that nonharmful levels of ER stress protected against experimental Parkinson's disease...
November 28, 2017: Journal of Neuroinflammation
https://www.readbyqxmd.com/read/29179723/novel-pathomechanisms-in-inflammatory-neuropathies
#13
REVIEW
David Schafflick, Bernd C Kieseier, Heinz Wiendl, Gerd Meyer Zu Horste
Inflammatory neuropathies are rare autoimmune-mediated disorders affecting the peripheral nervous system. Considerable progress has recently been made in understanding pathomechanisms of these disorders which will be essential for developing novel diagnostic and therapeutic strategies in the future. Here, we summarize our current understanding of antigenic targets and the relevance of new immunological concepts for inflammatory neuropathies. In addition, we provide an overview of available animal models of acute and chronic variants and how new diagnostic tools such as magnetic resonance imaging and novel therapeutic candidates will benefit patients with inflammatory neuropathies in the future...
November 28, 2017: Journal of Neuroinflammation
https://www.readbyqxmd.com/read/29178967/blocking-atp-sensitive-potassium-channel-alleviates-morphine-tolerance-by-inhibiting-hsp70-tlr4-nlrp3-mediated-neuroinflammation
#14
Jie Qu, Xue-You Tao, Peng Teng, Yan Zhang, Ci-Liang Guo, Liang Hu, Yan-Ning Qian, Chun-Yi Jiang, Wen-Tao Liu
BACKGROUND: Long-term use of morphine induces analgesic tolerance, which limits its clinical efficacy. Evidence indicated morphine-evoked neuroinflammation mediated by toll-like receptor 4 (TLR4) - NOD-like receptor protein 3 (NLRP3) inflammasome was important for morphine tolerance. In our study, we investigated whether other existing alternative pathways caused morphine-induced activation of TLR4 in microglia. We focused on heat shock protein 70 (HSP70), a damage-associated molecular pattern (DAMP), which was released from various cells upon stimulations under the control of KATP channel and bound with TLR4-inducing inflammation...
November 25, 2017: Journal of Neuroinflammation
https://www.readbyqxmd.com/read/29178914/genetic-deletion-or-pharmacological-inhibition-of-soluble-epoxide-hydrolase-reduces-brain-damage-and-attenuates-neuroinflammation-after-intracerebral-hemorrhage
#15
Chun-Hu Wu, Song-Kun Shyue, Tai-Ho Hung, Shin Wen, Chao-Chang Lin, Che-Feng Chang, Szu-Fu Chen
BACKGROUND: Inflammatory responses significantly contribute to neuronal damage and poor functional outcomes following intracerebral hemorrhage (ICH). Soluble epoxide hydrolase (sEH) is known to induce neuroinflammatory responses via degradation of anti-inflammatory epoxyeicosatrienoic acids (EET), and sEH is upregulated in response to brain injury. The present study investigated the involvement of sEH in ICH-induced neuroinflammation, brain damage, and functional deficits using a mouse ICH model and microglial cultures...
November 25, 2017: Journal of Neuroinflammation
https://www.readbyqxmd.com/read/29178911/inhibition-of-hmgb1-reduces-rat-spinal-cord-astrocytic-swelling-and-aqp4-expression-after-oxygen-glucose-deprivation-and-reoxygenation-via-tlr4-and-nf-%C3%AE%C2%BAb-signaling-in-an-il-6-dependent-manner
#16
Lin Sun, Man Li, Xun Ma, Haoyu Feng, Junlai Song, Cong Lv, Yajun He
BACKGROUND: Spinal cord astrocyte swelling is an important component to spinal cord edema and is associated with poor functional recovery as well as therapeutic resistance after spinal cord injury (SCI). High mobility group box-1 (HMGB1) is a mediator of inflammatory responses in the central nervous system and plays a critical role after SCI. Given this, we sought to identify both the role and underlying mechanisms of HMGB1 in cellular swelling and aquaporin 4 (AQP4) expression in cultured rat spinal cord astrocytes after oxygen-glucose deprivation/reoxygenation (OGD/R)...
November 25, 2017: Journal of Neuroinflammation
https://www.readbyqxmd.com/read/29178897/microrna-expression-changes-in-association-with-changes-in-interleukin-1%C3%A3-interleukin10-ratios-produced-by-monocytes-in-autism-spectrum-disorders-their-association-with-neuropsychiatric-symptoms-and-comorbid-conditions-observational-study
#17
Harumi Jyonouchi, Lee Geng, Deanna L Streck, James J Dermody, Gokce A Toruner
BACKGROUND: MicroRNAs (miRNAs) play a major role in regulating immune responses at post-transcriptional levels. Previously, we have reported fluctuating interlukine-1ß (IL-1ß)/IL-10 ratios produced by peripheral blood monocytes (PBMo) in some patients with autism spectrum disorders (ASD). This study examined whether changes in miRNA expression by PBMo are associated with changes in IL-1ß/IL-10 ratios and how such changes are associated with ASD clinical features. METHODS: miRNA expression by purified PBMo from ASD subjects (N = 69) and non-ASD controls (N = 27) were determined by high-throughput sequencing...
November 25, 2017: Journal of Neuroinflammation
https://www.readbyqxmd.com/read/29162133/humoral-response-in-experimental-autoimmune-encephalomyelitis-targets-neural-precursor-cells-in-the-central-nervous-system-of-naive-rodents
#18
Evangelia Kesidou, Olga Touloumi, Roza Lagoudaki, Evangelia Nousiopoulou, Paschalis Theotokis, Kyriaki-Nepheli Poulatsidou, Marina Boziki, Evangelia Kofidou, Nickoleta Delivanoglou, Fani Minti, Georgios Hadjigeorgiou, Nikolaos Grigoriadis, Constantina Simeonidou
BACKGROUND: Neural precursor cells (NPCs) located in the subventricular zone (SVZ), a well-defined NPC niche, play a crucial role in central nervous system (CNS) homeostasis. Moreover, NPCs are involved in the endogenous reparative process both in multiple sclerosis (MS) and experimental autoimmune encephalomyelitis (EAE). However, the possibility that NPCs may be vulnerable to immune-related components may not be ruled out. Therefore, we investigated the potential affinity of myelin oligodendrocyte glycoprotein (MOG)-induced humoral response(s) to NPCs...
November 21, 2017: Journal of Neuroinflammation
https://www.readbyqxmd.com/read/29149899/selective-depletion-of-microglial-progranulin-in-mice-is-not-sufficient-to-cause-neuronal-ceroid-lipofuscinosis-or-neuroinflammation
#19
Terri L Petkau, Natalia Kosior, Kathleen de Asis, Colúm Connolly, Blair R Leavitt
BACKGROUND: Progranulin deficiency due to heterozygous null mutations in the GRN gene are a common cause of familial frontotemporal lobar degeneration (FTLD), while homozygous loss-of-function GRN mutations are thought to be a rare cause of neuronal ceroid lipofuscinosis (NCL). Aged progranulin-knockout (Grn-null) mice display highly exaggerated lipofuscinosis, microgliosis, and astrogliosis, as well as mild cell loss in specific brain regions. In the brain, progranulin is predominantly expressed in neurons and microglia, and previously, we demonstrated that neuronal-specific depletion of progranulin does not recapitulate the neuropathological phenotype of Grn-null mice...
November 17, 2017: Journal of Neuroinflammation
https://www.readbyqxmd.com/read/29149888/correction-to-analysis-of-plasma-multiplex-cytokines-and-increased-level-of-il-10-and-il-1ra-cytokines-in-febrile-seizures
#20
Kyungmin Kim, Byung Ok Kwak, Aram Kwon, Jongseok Ha, Soo-Jin Kim, Sun Whan Bae, Jae Sung Son, Soo-Nyung Kim, Ran Lee
After publication of the article [1], it has been brought to our attention that several of the authors' names were formatted incorrectly in the original version of the article. The corrections are listed below -"Byungok Kwak" should be "Byung Ok Kwak"Soojin Kim" should be "Soo-Jin Kim"Sunwhan Bae" should be "Sun Whan Bae"Jaesung Son" should be "Jae Sung Son"Soonyung Kim" should be "Soo-Nyung Kim"The original version of the article has now been revised.
November 17, 2017: Journal of Neuroinflammation
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