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Neural inflammation

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https://www.readbyqxmd.com/read/28528185/simvastatin-ameliorate-memory-deficits-and-inflammation-in-clinical-and-mouse-model-of-alzheimer-s-disease-via-modulating-the-expression-of-mir-106b
#1
Wenzhong Huang, Zhenyu Li, Liandong Zhao, Wei Zhao
BACKGROUND: Alzheimer's disease (AD) as a neurodegenerative brain disorder is a devastating pathology leading to disastrous cognitive impairments and dementia, and several studies have shown that AD is closely related to the inflammation, so anti-inflammatory treatment may provide therapeutic benefits. In this study, the effect of simvastatin on inflammation was investigated and the underlying mechanisms were explored. METHODS: First, we tested the effect of simvastatin on AD in clinical research...
May 18, 2017: Biomedicine & Pharmacotherapy, Biomédecine & Pharmacothérapie
https://www.readbyqxmd.com/read/28527212/apolipoprotein-e4-gender-body-mass-index-inflammation-insulin-resistance-and-air-pollution-interactions-recipe-for-alzheimer-s-disease-development-in-mexico-city-young-females
#2
Lilian Calderón-Garcidueñas, Suzanne M de la Monte
Given the epidemiological trends of increasing Alzheimer's disease (AD) and growing evidence that exposure and lifestyle factors contribute to AD risk and pathogenesis, attention should be paid to variables such as air pollution, in order to reduce rates of cognitive decline and dementia. Exposure to fine particulate matter (PM2.5) and ozone (O3) above the US EPA standards is associated with AD risk. Mexico City children experienced pre- and postnatal high exposures to PM2.5, O3, combustion-derived iron-rich nanoparticles, metals, polycyclic aromatic hydrocarbons, and endotoxins...
May 17, 2017: Journal of Alzheimer's Disease: JAD
https://www.readbyqxmd.com/read/28527062/the-prokineticin-system-an-interface-between-neural-inflammation-and-pain
#3
Silvia Franchi, Paola Sacerdote, Alberto Panerai
Prokineticins (PK) 1 and 2 belong to a new family of chemokines capable to interact with two different G coupled receptors: Prokineticin receptor (PKR)1 and 2. Both prokineticins and their receptors are widely distributed in different tissues and regulate several biological functions. In particular, a role of the PK system in inflammation and nociception has been established. PKRs are expressed in regions of the nervous system associated with pain and in primary sensitive neurons they colocalize with transient potential receptor vanilloid-TRPV1 providing an anatomical interaction in nociceptor sensitization...
May 2017: Neurological Sciences
https://www.readbyqxmd.com/read/28524074/neurotrauma-the-crosstalk-between-neurotrophins-and-inflammation-in-the-acutely-injured-brain
#4
REVIEW
Lindolfo da Silva Meirelles, Daniel Simon, Andrea Regner
Traumatic brain injury (TBI) is a major cause of morbidity and mortality among young individuals worldwide. Understanding the pathophysiology of neurotrauma is crucial for the development of more effective therapeutic strategies. After the trauma occurs, immediate neurologic damage is produced by the traumatic forces; this primary injury triggers a secondary wave of biochemical cascades together with metabolic and cellular changes, called secondary neural injury. In the scenario of the acutely injured brain, the ongoing secondary injury results in ischemia and edema culminating in an uncontrollable increase in intracranial pressure...
May 18, 2017: International Journal of Molecular Sciences
https://www.readbyqxmd.com/read/28499901/antioxidant-and-anti-inflammatory-nutrient-status-supplementation-and-mechanisms-in-patients-with-schizophrenia
#5
REVIEW
Sumedha Mitra, Radhika Natarajan, Douglas Ziedonis, Xiaoduo Fan
Over 50 million people around the world suffer from schizophrenia, a severe mental illness characterized by misinterpretation of reality. Although the exact causes of schizophrenia are still unknown, studies have indicated that inflammation and oxidative stress may play an important role in the etiology of the disease. Pro-inflammatory cytokines are crucial for normal central nervous development and proper functioning of neural networks and neurotransmitters. Patients with schizophrenia tend to have abnormal immune activation resulting in elevated pro-inflammatory cytokine levels, ultimately leading to functional brain impairments...
May 9, 2017: Progress in Neuro-psychopharmacology & Biological Psychiatry
https://www.readbyqxmd.com/read/28490373/thioredoxin-interacting-protein-links-endoplasmic-reticulum-stress-to-inflammatory-brain-injury-and-apoptosis-after-subarachnoid-haemorrhage
#6
Qing Zhao, Xudong Che, Hongxia Zhang, Pianpian Fan, Guanping Tan, Liu Liu, Dengzhi Jiang, Jun Zhao, Xiang Xiang, Yidan Liang, Xiaochuan Sun, Zhaohui He
BACKGROUND: Early brain injury (EBI) is considered a major contributor to the high morbidity and mortality associated with subarachnoid haemorrhage (SAH). Both of sterile inflammation and apoptosis are considered the important causes of EBI. Recently, it was confirmed that thioredoxin-interacting protein (TXNIP) not only participates in inflammatory amplification but also stimulates the apoptosis signalling cascade pathway. However, whether the effects of TXNIP influence the pathogenesis of SAH remains unclear...
May 11, 2017: Journal of Neuroinflammation
https://www.readbyqxmd.com/read/28483526/inhibition-of-the-high-affinity-choline-transporter-enhances-hyperalgesia-in-a-rat-model-of-chronic-pancreatitis
#7
Dan Luo, Lei Chen, Baoping Yu
BACKGROUND: The mechanisms underlying chronic and persistent pain associated with chronic pancreatitis (CP) are not completely understood. The cholinergic system is one of the major neural pathways of the pancreas. Meanwhile, this system plays an important role in chronic pain. We hypothesized that the high affinity choline transporter CHT1, which is a main determinant of cholinergic signaling capacity, is involved in regulating pain associated with CP. METHODS: CP was induced by intraductal injection of 2% trinitrobenzene sulfonic acid (TNBS) in Sprague-Dawley rats...
June 17, 2017: Biochemical and Biophysical Research Communications
https://www.readbyqxmd.com/read/28482311/tryptophan-breakdown-and-cognition-in-bipolar-disorder
#8
Martina Platzer, Nina Dalkner, Frederike T Fellendorf, Armin Birner, Susanne A Bengesser, Robert Queissner, Nora Kainzbauer, René Pilz, Simone Herzog-Eberhard, Carlo Hamm, Christa Hörmanseder, Alexander Maget, Philipp Rauch, Harald Mangge, Dietmar Fuchs, Sieglinde Zelzer, Gregor Schütze, Natalie Moll, Markus J Schwarz, Rodrigo B Mansur, Roger S McIntyre, Eva Z Reininghaus
INTRODUCTION: It has been demonstrated that bipolar disorder (BD) is often accompanied by cognitive deficits across all subdomains including verbal memory, attention and executive functioning. Cognitive deficits are observed both during episodes of mania or depression, as well as during the euthymic phase. It has been proposed that chronic immune-mediated inflammation in the central nervous system results in alterations in neural structures that subserve cognitive function. Kynurenine is an intermediate in the inflammatory cascade and can be peripherally measured to proxy inflammatory activity...
April 27, 2017: Psychoneuroendocrinology
https://www.readbyqxmd.com/read/28478814/fragrance-compounds-the-wolves-in-sheep-s-clothings
#9
Seema Patel
In the past few decades, synthetic fragrance compounds have become ubiquitous components of personal care and household cleaning products. Overwhelming consumerism trends have led to the excess usage of these chemicals. It has been observed that this fragrance-laden unhealthy lifestyle runs parallel with the unprecedented rates of diabetes, cancer, neural ailments, teratogenicity, and transgender instances. The link between fragrances as and the multiplicity of pathogens remained latent for decades. However, now this health hazard and its role in homeostasis breakdown is getting attention...
May 2017: Medical Hypotheses
https://www.readbyqxmd.com/read/28470940/p2x7-receptor-inhibition-attenuated-sympathetic-nerve-sprouting-after-myocardial-infarction-via-the-nlrp3-il-1%C3%AE-pathway
#10
Jie Yin, Yu Wang, Hesheng Hu, Xiaolu Li, Mei Xue, Wenjuan Cheng, Ye Wang, Xinran Li, Na Yang, Yugen Shi, Suhua Yan
Mounting evidence supports the hypothesis that inflammation modulates sympathetic sprouting after myocardial infarction (MI). The myeloid P2X7 signal has been shown to activate the nucleotide-binding and oligomerization domain-like receptor family pyrin domain-containing 3 (NLRP3) inflammasome, a master regulator of inflammation. We investigated whether P2X7 signal participated in the pathogenesis of sympathetic reinnervation after MI, and whether NLRP3/interleukin-1β (IL-1β) axis is involved in the process...
May 4, 2017: Journal of Cellular and Molecular Medicine
https://www.readbyqxmd.com/read/28469998/analysis-of-mirnas-involved-in-mouse-brain-damage-upon-enterovirus-71-infection
#11
Xiaoxia Yang, Jing Xie, Leili Jia, Nan Liu, Yuan Liang, Fuli Wu, Beibei Liang, Yongrui Li, Jinyan Wang, Chunyu Sheng, Hao Li, Hongbo Liu, Qiuxia Ma, Chaojie Yang, Xinying Du, Shaofu Qiu, Hongbin Song
Enterovirus 71 (EV71) infects the central nervous system (CNS) and causes brainstem encephalitis in children. MiRNAs have been found to play various functions in EV71 infection in human cell lines. To identify potential miRNAs involved in the inflammatory injury in CNS, our study, for the first time, performed a miRNA microarray assay in vivo using EV71 infected mice brains. Twenty differentially expressed miRNAs were identified (four up- and 16 down-regulated) and confirmed by qRT-PCR. The target genes of these miRNAs were analyzed using KEGG (Kyoto Encyclopedia of Genes and Genomes) analysis, revealing that the miRNAs were mainly involved in the regulation of inflammation and neural system function...
2017: Frontiers in Cellular and Infection Microbiology
https://www.readbyqxmd.com/read/28468657/hsya-alleviates-secondary-neuronal-death-through-attenuating-oxidative-stress-inflammatory-response-and-neural-apoptosis-in-sd-rat-spinal-cord-compression-injury
#12
Jun-Peng Pei, Li-Hong Fan, Kai Nan, Jia Li, Xiao-Qian Dang, Kun-Zheng Wang
BACKGROUND: Hydroxysafflor yellow A (HSYA) is a major active component of yellow pigment extracted from safflowers; this compound possesses potent neuroprotective effects both in vitro and in vivo. However, underlying mechanism of HSYA is not fully elucidated. The present study investigated the protective effects of HSYA in rat spinal cord compression injury model and related mechanisms involved. METHODS: Sprague-Dawley rats were divided as Sham, Control, and HSYA groups (n = 30 per group)...
May 3, 2017: Journal of Neuroinflammation
https://www.readbyqxmd.com/read/28459434/mice-deficient-in-nrros-show-abnormal-microglial-development-and-neurological-disorders
#13
Kit Wong, Rajkumar Noubade, Paolo Manzanillo, Naruhisa Ota, Oded Foreman, Jason A Hackney, Brad A Friedman, Rajita Pappu, Kimberly Scearce-Levie, Wenjun Ouyang
Microglia and other tissue-resident macrophages within the central nervous system (CNS) have essential roles in neural development, inflammation and homeostasis. However, the molecular pathways underlying their development and function remain poorly understood. Here we report that mice deficient in NRROS, a myeloid-expressed transmembrane protein in the endoplasmic reticulum, develop spontaneous neurological disorders. NRROS-deficient (Nrros(-/-)) mice show defects in motor functions and die before 6 months of age...
May 1, 2017: Nature Immunology
https://www.readbyqxmd.com/read/28455369/complement-c5ar1-signaling-promotes-polarization-and-proliferation-of-embryonic-neural-progenitor-cells-through-pkc%C3%AE
#14
Liam G Coulthard, Owen A Hawksworth, Rui Li, Anushree Balachandran, John D Lee, Farshid Sepehrband, Nyoman Kurniawan, Angela Jeanes, David G Simmons, Ernst Wolvetang, Trent M Woodruff
The complement system, typically associated with innate immunity, is emerging as a key controller of non-immune systems including in development, with recent studies linking complement mutations with neurodevelopmental disease. A key effector of the complement response is the activation fragment C5a which, through its receptor C5aR1, is a potent driver of inflammation. Surprisingly, C5aR1 is also expressed during early mammalian embryogenesis, however no clearly defined function is ascribed to C5aR1 in development...
April 28, 2017: Journal of Neuroscience: the Official Journal of the Society for Neuroscience
https://www.readbyqxmd.com/read/28455196/maternal-il-17a-in-autism
#15
REVIEW
Helen Wong, Charles Hoeffer
Although autism spectrum disorder (ASD) has a strong genetic basis, its etiology is complex, with several genetic factors likely to be involved as well as environmental factors. Immune dysregulation has gained significant attention as a causal mechanism in ASD pathogenesis. ASD has been associated with immune abnormalities in the brain and periphery, including inflammatory disorders and autoimmunity in not only the affected individuals but also their mothers. Prenatal exposure to maternal immune activation (MIA) has been implicated as an environmental risk factor for ASD...
April 25, 2017: Experimental Neurology
https://www.readbyqxmd.com/read/28452616/an-ovine-model-of-cerebral-catheter-venography-for-implantation-of-an-endovascular-neural-interface
#16
Thomas James Oxley, Nicholas Lachlan Opie, Gil Simon Rind, Kishan Liyanage, Sam Emmanuel John, Stephen Ronayne, Alan James McDonald, Anthony Dornom, Timothy John Haynes Lovell, Peter John Mitchell, Iwan Bennett, Sebastien Bauquier, Leon Norris Warne, Chris Steward, David Bruce Grayden, Patricia Desmond, Stephen M Davis, Terence John O'Brien, Clive N May
OBJECTIVE Neural interface technology may enable the development of novel therapies to treat neurological conditions, including motor prostheses for spinal cord injury. Intracranial neural interfaces currently require a craniotomy to achieve implantation and may result in chronic tissue inflammation. Novel approaches are required that achieve less invasive implantation methods while maintaining high spatial resolution. An endovascular stent electrode array avoids direct brain trauma and is able to record electrocorticography in local cortical tissue from within the venous vasculature...
April 28, 2017: Journal of Neurosurgery
https://www.readbyqxmd.com/read/28451787/future-therapeutic-targets-in-rheumatoid-arthritis
#17
REVIEW
Tommy Tsang Cheung, Iain B McInnes
Rheumatoid arthritis (RA) is a chronic inflammatory disease characterized by persistent joint inflammation. Without adequate treatment, patients with RA will develop joint deformity and progressive functional impairment. With the implementation of treat-to-target strategies and availability of biologic therapies, the outcomes for patients with RA have significantly improved. However, the unmet need in the treatment of RA remains high as some patients do not respond sufficiently to the currently available agents, remission is not always achieved and refractory disease is not uncommon...
April 27, 2017: Seminars in Immunopathology
https://www.readbyqxmd.com/read/28450914/syringe-needle-skull-penetration-reduces-brain-injuries-and-secondary-inflammation-following-intracerebral-neural-stem-cell-transplantation
#18
Mou Gao, Qin Dong, Hongtian Zhang, Yang Yang, Jianwei Zhu, Zhijun Yang, Minhui Xu, Ruxiang Xu
Intracerebral neural stem cell (NSC) transplantation is beneficial for delivering stem cell grafts effectively, however, this approach may subsequently result in brain injury and secondary inflammation. To reduce the risk of promoting brain injury and secondary inflammation, two methods were compared in the present study. Murine skulls were penetrated using a drill on the left side and a syringe needle on the right. Mice were randomly divided into three groups (n=84/group): Group A, receiving NSCs in the left hemisphere and PBS in the right; group B, receiving NSCs in the right hemisphere and PBS in the left; and group C, receiving equal NSCs in both hemispheres...
March 2017: Experimental and Therapeutic Medicine
https://www.readbyqxmd.com/read/28447988/increased-recovery-time-and-decreased-lps-administration-to-study-the-vagus-nerve-stimulation-mechanisms-in-limited-inflammatory-responses
#19
Erwan Le Maître, Priya Revathikumar, Johanna Estelius, Jon Lampa
Inflammation is a local response to infection and tissue damage mediated by activated macrophages, monocytes, and other immune cells that release cytokines and other mediators of inflammation. For a long time, humoral and cellular mechanisms have been studied for their role in regulating the immune response, but recent advances in the field of immunology and neuroscience have also unraveled specific neural mechanisms with interesting therapeutic potential. The so-called cholinergic anti-inflammatory pathway (CAP) has been described to control innate immune responses and inflammation in a very potent manner...
March 29, 2017: Journal of Visualized Experiments: JoVE
https://www.readbyqxmd.com/read/28446773/therapeutic-effects-of-anti-hmgb1-monoclonal-antibody-on-pilocarpine-induced-status-epilepticus-in-mice
#20
Li Fu, Keyue Liu, Hidenori Wake, Kiyoshi Teshigawara, Tadashi Yoshino, Hideo Takahashi, Shuji Mori, Masahiro Nishibori
Inflammatory processes in brain tissue have been described in human epilepsy of various etiologies and in experimental models of seizures. High mobility group box-1 (HMGB1) is now recognized as representative of damage-associated molecular patterns (DAMPs). In the present study, we focused on whether anti-HMGB1 antibody treatment could relieve status epilepticus- triggered BBB breakdown and inflammation response in addition to the seizure behavior itself. Pilocarpine and methyl-scopolamine were used to establish the acute seizure model...
April 26, 2017: Scientific Reports
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