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Journal of Neuroinflammation

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https://www.readbyqxmd.com/read/29029628/erythropoietin-reduces-experimental-autoimmune-encephalomyelitis-severity-via-neuroprotective-mechanisms
#1
M Moransard, M Bednar, K Frei, M Gassmann, O O Ogunshola
BACKGROUND: Treatment with erythropoietin (Epo) in experimental autoimmune encephalomyelitis (EAE), the rodent model of multiple sclerosis (MS), has consistently been shown to ameliorate disease progression and improve overall outcome. The effect has been attributed to modulation of the immune response and/or preservation of the central nervous system (CNS) tissue integrity. It remains unclear, however, if (a) Epo acts primarily in the CNS or the periphery and if (b) Epo's beneficial effect in EAE is mainly due to maintaining CNS tissue integrity or to modulation of the immune response...
October 13, 2017: Journal of Neuroinflammation
https://www.readbyqxmd.com/read/29025435/withania-somnifera-as-a-potential-candidate-to-ameliorate-high%C3%A2-fat-diet-induced-anxiety-and-neuroinflammation
#2
Taranjeet Kaur, Gurcharan Kaur
BACKGROUND: The epidemic of obesity has reached alarming levels in both developing and developed nations. Excessive calorie intake and sedentary lifestyle due to technological advancements are the main causal factors for overweight and obesity among the human population. Obesity has been associated with a number of co-morbidities such as hypertension, type 2 diabetes mellitus, cardiovascular diseases, and neurodegeneration and dementia. The progression of neurological disorders in obese subjects has been mainly attributed to neuroinflammation...
October 12, 2017: Journal of Neuroinflammation
https://www.readbyqxmd.com/read/29017522/analysis-of-plasma-multiplex-cytokines-and-increased-level-of-il-10-and-il-1ra-cytokines-in-febrile-seizures
#3
Kyungmin Kim, Byungok Kwak, Aram Kwon, Jongseok Ha, Soojin Kim, Sunwhan Bae, Jaesung Son, Soonyung Kim, Ran Lee
BACKGROUND: Febrile seizures are the most common form of childhood seizures. Fever generation involves many cytokines, including both pro- and anti-inflammatory cytokines. Some of these cytokines also induce febrile seizures. We compared cytokine production in children with a fever alone (healthy control group) and febrile seizure children group. Also, we evaluated the cytokine level of children with a fever alone and febrile seizure history. METHODS: Fifty febrile seizure patients and 39 normal control patients who visited the emergency department of Konkuk University Hospital from December 2015 to December 2016 were included in this study...
October 10, 2017: Journal of Neuroinflammation
https://www.readbyqxmd.com/read/28985759/role-of-microglial-amylin-receptors-in-mediating-beta-amyloid-a%C3%AE-induced-inflammation
#4
Wen Fu, Vlatka Vukojevic, Aarti Patel, Rania Soudy, David MacTavish, David Westaway, Kamaljit Kaur, Valeri Goncharuk, Jack Jhamandas
BACKGROUND: Neuroinflammation in the brain consequent to activation of microglia is viewed as an important component of Alzheimer's disease (AD) pathology. Amyloid beta (Aβ) protein is known to activate microglia and unleash an inflammatory cascade that eventually results in neuronal dysfunction and death. In this study, we sought to identify the presence of amylin receptors on human fetal and murine microglia and determine whether Aβ activation of the inflammasome complex and subsequent release of cytokines is mediated through these receptors...
October 6, 2017: Journal of Neuroinflammation
https://www.readbyqxmd.com/read/28974234/agonists-for-g-protein-coupled-receptor-84-gpr84-alter-cellular-morphology-and-motility-but-do-not-induce-pro-inflammatory-responses-in-microglia
#5
Li Wei, Kyohei Tokizane, Hiroyuki Konishi, Hua-Rong Yu, Hiroshi Kiyama
BACKGROUND: Several G-protein-coupled receptors (GPCRs) have been shown to be important signaling mediators between neurons and glia. In our previous screening for identification of nerve injury-associated GPCRs, G-protein-coupled receptor 84 (GPR84) mRNA showed the highest up-regulation by microglia after nerve injury. GPR84 is a pro-inflammatory receptor of macrophages in a neuropathic pain mouse model, yet its function in resident microglia in the central nervous system is poorly understood...
October 3, 2017: Journal of Neuroinflammation
https://www.readbyqxmd.com/read/28969701/bazedoxifene-a-selective-estrogen-receptor-modulator-reduces-cerebral-aneurysm-rupture-in-ovariectomized-rats
#6
Hidetsugu Maekawa, Yoshiteru Tada, Kenji Yagi, Takeshi Miyamoto, Keiko T Kitazato, Masaaki Korai, Junichiro Satomi, Tomoki Hashimoto, Shinji Nagahiro
BACKGROUND: Estrogen deficiency is thought to be responsible for the higher frequency of aneurysmal subarachnoid hemorrhage in post- than premenopausal women. Estrogen replacement therapy appears to reduce this risk but is associated with significant side effects. We tested our hypothesis that bazedoxifene, a clinically used selective estrogen receptor (ER) modulator with fewer estrogenic side effects, reduces cerebral aneurysm rupture in a new model of ovariectomized rats. METHODS: Ten-week-old female Sprague-Dawley rats were subjected to ovariectomy, hemodynamic changes, and hypertension to induce aneurysms (ovariectomized aneurysm rats) and treated with vehicle or with 0...
October 2, 2017: Journal of Neuroinflammation
https://www.readbyqxmd.com/read/28964257/the-contribution-of-the-acute-phase-response-to-the-pathogenesis-of-relapse-in-chronic-relapsing-experimental-autoimmune-encephalitis-models-of-multiple-sclerosis
#7
Silvy Mardiguian, Emma Ladds, Roberta Turner, Hazel Shepherd, Sandra J Campbell, Daniel C Anthony
BACKGROUND: Increased relapse rates in multiple sclerosis (MS) as a consequence of peripheral immune system activation, owing to infection for example, have been widely reported, but the mechanism remains unclear. Acute brain injury models can be exacerbated by augmenting the hepatic acute phase response (APR). Here, we explored the contribution of the hepatic APR to relapse in two rodent models of MS. METHODS: Mice with MOG-CFA-induced chronic relapsing experimental autoimmune encephalitis (CR-EAE) were killed before, during and after the first phase of disease, and the brain and liver chemokine, cytokine and acute phase protein (APP) mRNA expression profile was determined...
September 30, 2017: Journal of Neuroinflammation
https://www.readbyqxmd.com/read/28962577/acute-maternal-oxidant-exposure-causes-susceptibility-of-the-fetal-brain-to-inflammation-and-oxidative-stress
#8
Feroz Akhtar, Christopher A Rouse, Gabriel Catano, Marcus Montalvo, Sarah L Ullevig, Reto Asmis, Kusum Kharbanda, Shivani K Maffi
BACKGROUND: Maternal exposure to environmental stressors poses a risk to fetal development. Oxidative stress (OS), microglia activation, and inflammation are three tightly linked mechanisms that emerge as a causal factor of neurodevelopmental anomalies associated with prenatal ethanol exposure. Antioxidants such as glutathione (GSH) and CuZnSOD are perturbed, and their manipulation provides evidence for neuroprotection. However, the cellular and molecular effects of GSH alteration in utero on fetal microglia activation and inflammation remain elusive...
September 30, 2017: Journal of Neuroinflammation
https://www.readbyqxmd.com/read/28962579/effects-of-surgery-and-propofol-remifentanil-total-intravenous-anesthesia-on-cerebrospinal-fluid-biomarkers-of-inflammation-alzheimer-s-disease-and-neuronal-injury-in-humans-a-cohort-study
#9
Andreas Pikwer, Markus Castegren, Sijal Namdar, Kaj Blennow, Henrik Zetterberg, Niklas Mattsson
BACKGROUND: Surgery and anesthesia have been linked to postoperative cognitive disturbance and increased risk of Alzheimer's disease. It is not clear by which mechanisms this increased risk for cognitive disease is mediated. Further, amyloid β production has been suggested to depend on the sleep-wake cycle and neuronal activity. The aim of the present study was to examine if cerebrospinal fluid (CSF) concentrations of a number of biomarkers for Alzheimer's disease-related processes, including amyloid β, neuronal injury, and inflammation, changed over time during intravenous anesthesia in surgical patients...
September 29, 2017: Journal of Neuroinflammation
https://www.readbyqxmd.com/read/28962574/%C3%AE-v%C3%AE-3-integrin-regulates-astrocyte-reactivity
#10
Raúl Lagos-Cabré, Alvaro Alvarez, Milene Kong, Francesca Burgos-Bravo, Areli Cárdenas, Edgardo Rojas-Mancilla, Ramón Pérez-Nuñez, Rodrigo Herrera-Molina, Fabiola Rojas, Pascal Schneider, Mario Herrera-Marschitz, Andrew F G Quest, Brigitte van Zundert, Lisette Leyton
BACKGROUND: Neuroinflammation involves cytokine release, astrocyte reactivity and migration. Neuronal Thy-1 promotes DITNC1 astrocyte migration by engaging αVβ3 Integrin and Syndecan-4. Primary astrocytes express low levels of these receptors and are unresponsive to Thy-1; thus, inflammation and astrocyte reactivity might be necessary for Thy-1-induced responses. METHODS: Wild-type rat astrocytes (TNF-activated) or from human SOD1(G93A) transgenic mice (a neurodegenerative disease model) were used to evaluate cell migration, Thy-1 receptor levels, signaling molecules, and reactivity markers...
September 29, 2017: Journal of Neuroinflammation
https://www.readbyqxmd.com/read/28950908/anti-inflammatory-effects-of-astroglial-%C3%AE-7-nicotinic-acetylcholine-receptors-are-mediated-by-inhibition-of-the-nf-%C3%AE%C2%BAb-pathway-and-activation-of-the-nrf2-pathway
#11
Hiral Patel, Jessica McIntire, Sarah Ryan, Anthone Dunah, Ralph Loring
BACKGROUND: α7 nicotinic acetylcholine receptors (nAChRs) are widely distributed throughout the central nervous system and are reported to have neuroprotective properties. α7 nAChRs are expressed on astrocytes, which are key regulators of neuroinflammation and oxidative stress in several neurodegenerative diseases. However, the anti-inflammatory and antioxidant properties of astroglial α7 nAChRs are not well studied. Therefore, we evaluated the role of astroglial α7 nAChR activation in neuroinflammation...
September 26, 2017: Journal of Neuroinflammation
https://www.readbyqxmd.com/read/28946890/increased-frequency-of-il-6-producing-non-classical-monocytes-in-neuromyelitis-optica-spectrum-disorder
#12
Byung Soo Kong, Yeseul Kim, Ga Young Kim, Jae-Won Hyun, Su-Hyun Kim, Aeran Jeong, Ho Jin Kim
BACKGROUND: Neuromyelitis optica spectrum disorder (NMOSD) is an autoimmune inflammatory disease of the central nervous system that preferentially affects the optic nerves, spinal cord, and area postrema. A series of evidence suggested that B cells play a fundamental role in the pathogenesis of NMOSD. However, there are still gaps left to be answered in NMOSD pathogenesis suggesting the roles of other immune cells. This study aimed to investigate the monocyte inflammatory characteristics, monocyte subset frequency and cytokine production, and cell-surface molecule expression in NMOSD, multiple sclerosis (MS), and healthy controls (HC)...
September 25, 2017: Journal of Neuroinflammation
https://www.readbyqxmd.com/read/28931410/lentivirus-mediated-interleukin-1%C3%AE-il-1%C3%AE-knock-down-in-the-hippocampus-alleviates-lipopolysaccharide-lps-induced-memory-deficits-and-anxiety-and-depression-like-behaviors-in-mice
#13
Mengmeng Li, Chenli Li, Hanjie Yu, Xiongxiong Cai, Xinbei Shen, Xin Sun, Jinting Wang, Yanhua Zhang, Chuang Wang
BACKGROUND: Recent evidence has suggested that peripheral inflammatory responses induced by lipopolysaccharides (LPS) play an important role in neuropsychiatric dysfunction in rodents. Interleukin-1β (IL-1β), a pro-inflammatory cytokine, has been proposed to be a key mediator in a variety of behavioral dysfunction induced by LPS in mice. Thus, inhibition of IL-1β may have a therapeutic benefit in the treatment of neuropsychiatric disorders. However, the precise underlying mechanism of knock-down of IL-1β in repairing behavioral changes by LPS remains unclear...
September 20, 2017: Journal of Neuroinflammation
https://www.readbyqxmd.com/read/28927423/primary-cilia-modulate-tlr4-mediated-inflammatory-responses-in-hippocampal-neurons
#14
Hyunjung Baek, Hyo Jung Shin, Jwa-Jin Kim, Nara Shin, Sena Kim, Min-Hee Yi, Enji Zhang, Jinpyo Hong, Joon Won Kang, Yonghyun Kim, Cuk-Seong Kim, Dong Woon Kim
BACKGROUND: The primary cilium is an organelle that can act as a master regulator of cellular signaling. Despite the presence of primary cilia in hippocampal neurons, their function is not fully understood. Recent studies have demonstrated that the primary cilium influences interleukin (IL)-1β-induced NF-κB signaling, ultimately mediating the inflammatory response. We, therefore, investigated ciliary function and NF-κB signaling in lipopolysaccharide (LPS)-induced neuroinflammation in conjunction with ciliary length analysis...
September 19, 2017: Journal of Neuroinflammation
https://www.readbyqxmd.com/read/28923114/homocysteine-exaggerates-microglia-activation-and-neuroinflammation-through-microglia-localized-stat3-overactivation-following-ischemic-stroke
#15
Shuang Chen, Zhiping Dong, Man Cheng, Yaqian Zhao, Mengying Wang, Na Sai, Xuan Wang, Huan Liu, Guowei Huang, Xumei Zhang
BACKGROUND: Elevated plasma homocysteine (Hcy) levels have been indicated as a strong and modifiable risk factor of ischemic stroke; the previous studies have shown that exposure to Hcy activates cultured microglia. However, whether neurotoxicity of Hcy involves microglia activation following brain ischemia and the underlying mechanisms remains incompletely understood. METHODS: The cerebral damage was evaluated by staining with 2,3,5-triphenyltetrazolium chloride, hematoxylin-eosin, and Fluoro Jade B...
September 18, 2017: Journal of Neuroinflammation
https://www.readbyqxmd.com/read/28923068/using-blood-cytokine-measures-to-define-high-inflammatory-biotype-of-schizophrenia-and-schizoaffective-disorder
#16
Danny Boerrigter, Thomas W Weickert, Rhoshel Lenroot, Maryanne O'Donnell, Cherrie Galletly, Dennis Liu, Martin Burgess, Roxanne Cadiz, Isabella Jacomb, Vibeke S Catts, Stu G Fillman, Cynthia Shannon Weickert
BACKGROUND: Increases in pro-inflammatory cytokines are found in the brain and blood of people with schizophrenia. However, increased cytokines are not evident in all people with schizophrenia, but are found in a subset. The cytokine changes that best define this subset, termed the "elevated inflammatory biotype", are still being identified. METHODS: Using quantitative RT-PCR, we measured five cytokine mRNAs (IL-1β, IL-2 IL-6, IL-8 and IL-18) from peripheral blood of healthy controls and of people with schizophrenia or schizoaffective disorder (n = 165)...
September 18, 2017: Journal of Neuroinflammation
https://www.readbyqxmd.com/read/28903766/fluoxetine-enhanced-autophagy-ameliorates-early-brain-injury-via-inhibition-of-nlrp3-inflammasome-activation-following-subrachnoid-hemorrhage-in-rats
#17
Jian-Ru Li, Hang-Zhe Xu, Sheng Nie, Yu-Cong Peng, Lin-Feng Fan, Zhi-Jiang Wang, Cheng Wu, Feng Yan, Jing-Yin Chen, Chi Gu, Chun Wang, Jing-Sen Chen, Lin Wang, Gao Chen
BACKGROUND: The NLRP3 inflammasome is a multiprotein complex that regulates the innate immune inflammatory response by activating caspase-1 and subsequent IL-1β and IL-18. Fluoxetine has been shown to have the anti-inflammatory properties in many disease models. However, the effects and mechanisms of these effects of fluoxetine in early brain injury after subarachnoid hemorrhage (SAH) have not been defined. METHODS: The SAH model was induced by an endovascular perforation in adult male Sprague-Dawley (SD) rats weighing 300-320 g...
September 13, 2017: Journal of Neuroinflammation
https://www.readbyqxmd.com/read/28899427/activation-of-dorsal-horn-cannabinoid-cb2-receptor-suppresses-the-expression-of-p2y12-and-p2y13-receptors-in-neuropathic-pain-rats
#18
Juan Niu, Dujuan Huang, Rui Zhou, MingXia Yue, Tao Xu, Junna Yang, Li He, Hong Tian, XiaoHong Liu, Junwei Zeng
BACKGROUND: More evidence suggests that dorsal spinal cord microglia is an important site contributing to CB2 receptor-mediated analgesia. The upregulation of P2Y12 and P2Y13 purinoceptors in spinal dorsal horn microglia is involved in the development of pain behavior caused by peripheral nerve injury. However, it is not known whether the expression of P2Y12 and P2Y13 receptors at spinal dorsal horn will be influenced after CB2 receptor activation in neuropathic pain rats. METHODS: Chronic constriction injury (CCI) and intrathecal ADPbetaS injection were performed in rats to induce neuropathic pain...
September 12, 2017: Journal of Neuroinflammation
https://www.readbyqxmd.com/read/28899400/impact-of-combined-sodium-chloride-and-saturated-long-chain-fatty-acid-challenge-on-the-differentiation-of-t-helper-cells-in-neuroinflammation
#19
Anna Hammer, Anne Schliep, Stefanie Jörg, Aiden Haghikia, Ralf Gold, Markus Kleinewietfeld, Dominik N Müller, Ralf A Linker
BACKGROUND: There has been a marked increase in the incidence of autoimmune diseases like multiple sclerosis (MS) in the last decades which is most likely driven by a change in environmental factors. Here, growing evidence suggests that ingredients of a Western diet like high intake of sodium chloride (NaCl) or saturated fatty acids may impact systemic immune responses, thus increasing disease susceptibility. Recently, we have shown that high dietary salt or long-chain fatty acid (LCFA) intake indeed aggravates T helper (Th) cell responses and neuroinflammation...
September 12, 2017: Journal of Neuroinflammation
https://www.readbyqxmd.com/read/28886715/peroxisome-proliferator-activated-receptor-gamma-potential-molecular-therapeutic-target-for-hiv-1-associated-brain-inflammation
#20
Amila Omeragic, Md Tozammel Hoque, U-Yeong Choi, Reina Bendayan
BACKGROUND: Despite the use of combination antiretroviral therapy for the treatment of HIV-1 infection, cognitive impairments remain prevalent due to persistent viral replication and associated brain inflammation. Primary cellular targets of HIV-1 in the brain are macrophages, microglia, and to a certain extent astrocytes which in response to infection release inflammatory markers, viral proteins [i.e., glycoprotein 120 (gp120)] and exhibit impaired glutamate uptake. Peroxisome proliferator-activated receptors (PPARs) are members of the nuclear receptor superfamily of ligand-activated transcription factors...
September 8, 2017: Journal of Neuroinflammation
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