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https://www.readbyqxmd.com/read/29057895/cholinergic-stimulation-improves-oxidative-stress-and-inflammation-in-experimental-myocardial-infarction
#1
Otávio C Bezerra, Cristiane Miranda França, Juraci Aparecida Rocha, Gizele A Neves, Pamella Ramona M Souza, Mariana Teixeira Gomes, Christiane Malfitano, Tatiane C Alba Loleiro, Paulo Magno Dourado, Susana Llesuy, Katia de Angelis, Maria Claudia C Irigoyen, Luis Ulloa, Fernanda M Consolim-Colombo
We previously reported that cholinergic stimulation with pyridostigmine (PY) induces anti-inflammatory cell recruitment soon after myocardial infarction (MI). In this study, we evaluated the anti-inflammatory effects of PY during the proliferative phase of cardiac repair by analyzing the infiltration of macrophages, Treg lymphocytes, oxidative stress and inflammatory cytokines. Wistar rats underwent control sham surgery or ligation of the left coronary artery and were randomly allocated to remain untreated (untreated infarcted group, I) or to receive PY (30 mg·kg(-1)·day(-1)) in the supplied water (infarcted treated group, I + PY)...
October 20, 2017: Scientific Reports
https://www.readbyqxmd.com/read/29053785/progranulin-a-new-avenue-towards-the-understanding-and-treatment-of-neurodegenerative-disease
#2
Babykumari P Chitramuthu, Hugh P J Bennett, Andrew Bateman
Progranulin, a secreted glycoprotein, is encoded in humans by the single GRN gene. Progranulin consists of seven and a half, tandemly repeated, non-identical copies of the 12 cysteine granulin motif. Many cellular processes and diseases are associated with this unique pleiotropic factor that include, but are not limited to, embryogenesis, tumorigenesis, inflammation, wound repair, neurodegeneration and lysosome function. Haploinsufficiency caused by autosomal dominant mutations within the GRN gene leads to frontotemporal lobar degeneration, a progressive neuronal atrophy that presents in patients as frontotemporal dementia...
August 18, 2017: Brain: a Journal of Neurology
https://www.readbyqxmd.com/read/29046052/protective-effect-of-different-antioxidant-agents-in-uvb-irradiated-keratinocytes
#3
Sara Salucci, Sabrina Burattini, Francesca Buontempo, Alberto Maria Martelli, Elisabetta Falcieri, Michela Battistelli
Skin cells can respond to UVB-induced damage either by tolerating it, or restoring it through antioxidant activation and DNA repair mechanisms or, ultimately, undergoing programmed cell death, when damage is massive. Nutritional factors, in particular, food antioxidants, have attracted much interest because of their potential use in new preventive, protective, and therapeutic strategies for chronic degenerative diseases, including skin inflammation and cancer. Some polyphenols, present in virgin olive oil, well tolerated by organism after oral administration, show a variety of pharmacological and clinical benefits such as anti-oxidant, anti-cancer, anti-inflammatory, and neuro-protective activities...
September 18, 2017: European Journal of Histochemistry: EJH
https://www.readbyqxmd.com/read/29032011/sitagliptin-enhances-the-neuroprotective-effect-of-pregabalin-against-pentylenetetrazole-induced-acute-epileptogenesis-in-mice-implication-of-oxidative-inflammatory-apoptotic-and-autophagy-pathways
#4
Manar A Nader, Hayam Ateyya, Mohamed El-Shafey, Nagla A El-Sherbeeny
The current investigation aimed at studying the anti-epileptogenic effect of sitagliptin. The possible effect of the drug in combination with pregabalin in pentylenetetrazole (PTZ)- induced seizures was studied. In addition, the postulated mechanisms that could mediate such effect were explored namely, suppression of oxidative stress and neuro-inflammatory markers, autophagy and apoptosis. Seven days prior to PTZ (60 mg/kg, sc) injection, mice were treated with sitagliptin (5, 15, and 60 mg/kg, twice daily, orally) or pregabalin (30 mg/kg, once daily, orally) or their combination...
October 11, 2017: Neurochemistry International
https://www.readbyqxmd.com/read/29025967/diminazene-is-a-slow-pore-blocker-of-acid-sensing-ion-channel-1a-asic1a
#5
Axel Schmidt, Giulia Rossetti, Sylvia Joussen, Stefan Grunder
Acid-sensing ion channels (ASICs) are neuronal receptors for extracellular protons. They contribute to the excitatory postsynaptic current and to the detection of painful acidosis. Moreover, they are activated during peripheral inflammation and acidosis associated with various neuronal disorders such as stroke and neuro-inflammation, rendering them interesting drug targets. Diminazene aceturate is a small molecule inhibitor of ASICs with a reported apparent affinity in the low micromolar range, making it an interesting lead compound...
October 12, 2017: Molecular Pharmacology
https://www.readbyqxmd.com/read/28983447/surgical-management-and-outcome-experience-of-53-cerebellopontine-angle-meningiomas
#6
Xiaosheng He, Weiping Liu, Yangang Wang, Jun Zhang, Buqing Liang, Jason H Huang
Background Meningiomas follow schwannomas as the second most common cerebellopontine angle (CPA) tumors. We investigate the diagnosis, management, and prognosis of this disease. Methods We reviewed the cases with the CPA meningiomas in our institution in Shaanxi, China from January 2012 to December 2015. Charts were retrospectively examined and patients were divided into two groups: 1) surgical treatment with a retrosigmoid approach for tumor resection and 2) stereotactic radiosurgery treatment only. Patients were followed up and outpatient records were also reviewed...
August 3, 2017: Curēus
https://www.readbyqxmd.com/read/28974603/lesson-of-the-month-2-autoimmune-sequelae-of-anti-gad-antibodies-thinking-outside-the-box
#7
Rebecca J Ward, George I Varughese, Biju Jose, Roby J Abraham
A 52 year-old female with no significant medical problems presented with left-sided weakness, unsteady gait and speech disturbance. It was thought that she had neuro-inflammation and she remained clinically stable. Several years later, she was diagnosed with latent autoimmune diabetes of adulthood. Her neurological symptoms deteriorated and she was admitted into hospital. The cerebrospinal fluid was normal, as were an array of blood tests. Imaging tests, including magnetic resonance imaging, computerised tomography and positron emission tomography scans were normal...
October 2017: Clinical Medicine: Journal of the Royal College of Physicians of London
https://www.readbyqxmd.com/read/28972143/shedding-of-membrane-associated-ldl-receptor-related-protein-1-from-microglia-amplifies-and-sustains-neuro-inflammation
#8
Coralie Brifault, Andrew S Gilder, Emilia Laudati, Michael Banki, Steven L Gonias
In the CNS, microglia are activated in response to injury or infection and in neurodegenerative diseases. The endocytic and cell-signaling receptor, LDL receptor-related protein-1 (LRP1), is reported to suppress innate immunity in macrophages and oppose microglial activation. The goal of this study was to identify novel mechanisms by which LRP1 may regulate microglial activation. Using primary cultures of microglia isolated from mouse brains, we demonstrated that LRP1 gene-silencing increases expression of pro-inflammatory mediators; however, the observed response was modest...
September 28, 2017: Journal of Biological Chemistry
https://www.readbyqxmd.com/read/28969714/pathogenesis-and-potential-relative-risk-factors-of-diabetic-neuropathic-osteoarthropathy
#9
REVIEW
Hong-Mou Zhao, Jia-Yu Diao, Xiao-Jun Liang, Feng Zhang, Ding-Jun Hao
Diabetic neuropathic osteoarthropathy (DNOAP) is an uncommon, but with considerable morbidity and mortality rates, complication of diabetes. The real pathogenesis is still unclear. The two popular theories are the neuro-vascular theory and neuro-traumatic theory. Most theories and pathways focused on the uncontrolled inflammations that resulted in the final common pathway, receptor activator of nuclear factor κβ ligand (RANKL)/osteoprotegerin (OPG) axis, for the decreased bone density in DNOAP with an osteoclast and osteoblast imbalance...
October 2, 2017: Journal of Orthopaedic Surgery and Research
https://www.readbyqxmd.com/read/28968895/discrepancies-between-vascular-and-systemic-inflammation-in-large-vessel-vasculitis-an-important-problem-revisited
#10
Gokhan Keser, Kenan Aksu, Haner Direskeneli
A lack of absolute correlation between systemic inflammation parameters and ongoing vascular disease activity is an important problem in some patients with large vessel vasculitis, especially Takayasu arteritis (TAK). Systemic and vascular wall inflammation in TAK are obviously interrelated, but sometimes they may act independently. There are clear discrepancies between these two types of inflammation, including cytokine patterns and responses to treatment. Vascular and systemic inflammation may also be discordant in two subgroups of giant cell arteritis...
September 7, 2017: Rheumatology
https://www.readbyqxmd.com/read/28961037/cns-not-an-immunoprivilaged-site-anymore-but-a-virtual-secondary-lymphoid-organ
#11
Neema Negi, Bimal K Das
The cardinal dogma of central nervous system (CNS) immunology believed brain is an immune privileged site, but scientific evidences gathered so far have overturned this notion proving that CNS is no longer an immune privileged site, but rather an actively regulated site of immune surveillance. Landmark discovery of lymphatic system surrounding the duramater of the brain, made possible by high resolution live imaging technology has given new dimension to neuro-immunology. Here, we discuss the immune privilege status of CNS in light of the previous and current findings, taking into account the differences between a healthy state and changes that occur during an inflammatory response...
September 29, 2017: International Reviews of Immunology
https://www.readbyqxmd.com/read/28953873/inflammasome-driven-catecholamine-catabolism-in-macrophages-blunts-lipolysis-during-ageing
#12
Christina D Camell, Jil Sander, Olga Spadaro, Aileen Lee, Kim Y Nguyen, Allison Wing, Emily L Goldberg, Yun-Hee Youm, Chester W Brown, John Elsworth, Matthew S Rodeheffer, Joachim L Schultze, Vishwa Deep Dixit
Catecholamine-induced lipolysis, the first step in the generation of energy substrates by the hydrolysis of triglycerides, declines with age. The defect in the mobilization of free fatty acids in the elderly is accompanied by increased visceral adiposity, lower exercise capacity, failure to maintain core body temperature during cold stress, and reduced ability to survive starvation. Although catecholamine signalling in adipocytes is normal in the elderly, how lipolysis is impaired in ageing remains unknown...
October 5, 2017: Nature
https://www.readbyqxmd.com/read/28943274/gene-therapy-induced-antigen-specific-tregs-inhibit-neuro-inflammation-and-reverse-disease-in-a-mouse-model-of-multiple-sclerosis
#13
Geoffrey D Keeler, Sandeep Kumar, Brett Palaschak, Emily L Silverberg, David M Markusic, Noah T Jones, Brad E Hoffman
The devastating neurodegenerative disease multiple sclerosis (MS) could substantially benefit from an adeno-associated virus (AAV) immunotherapy designed to restore a robust and durable antigen-specific tolerance. However, developing a sufficiently potent and lasting immune-regulatory therapy that can intervene in ongoing disease is a major challenge and has thus been elusive. We addressed this problem by developing a highly effective and robust tolerance-inducing in vivo gene therapy. Using a pre-clinical animal model, we designed a liver-targeting gene transfer vector that expresses full-length myelin oligodendrocyte glycoprotein (MOG) in hepatocytes...
September 19, 2017: Molecular Therapy: the Journal of the American Society of Gene Therapy
https://www.readbyqxmd.com/read/28941769/a-neuro-immune-neuro-oxidative-and-neuro-nitrosative-model-of-prenatal-and-postpartum-depression
#14
REVIEW
Chutima Roomruangwong, George Anderson, Michael Berk, Drozdstoy Stoyanov, André F Carvalho, Michael Maes
A large body of evidence indicates that major affective disorders are accompanied by activated neuro-immune, neuro-oxidative and neuro-nitrosative stress (IO&NS) pathways. Postpartum depression is predicted by end of term prenatal depressive symptoms whilst a lifetime history of mood disorders appears to increase the risk for both prenatal and postpartum depression. This review provides a critical appraisal of available evidence linking IO&NS pathways to prenatal and postpartum depression. The electronic databases Google Scholar, PubMed and Scopus were sources for this narrative review focusing on keywords, including perinatal depression, (auto)immune, inflammation, oxidative, nitric oxide, nitrosative, tryptophan catabolites (TRYCATs), kynurenine, leaky gut and microbiome...
September 20, 2017: Progress in Neuro-psychopharmacology & Biological Psychiatry
https://www.readbyqxmd.com/read/28941325/neuro-immune-interactions-in-inflammation-and-host-defense-implications-for-transplantation
#15
Sangeeta S Chavan, Pingchuan Ma, Isaac M Chiu
Sensory and autonomic neurons of the peripheral nervous system (PNS) play a critical role in regulating the immune system during tissue inflammation and host defense. Recent studies have identified the molecular mechanisms underlying the bidirectional communication between the nervous system and the immune system. Here, we highlight the studies that demonstrate the importance of the neuro-immune interactions in health and disease. Nociceptor sensory neurons detect immune mediators to produce pain, and release neuropeptides that act on the immune system to regulate inflammation...
September 23, 2017: American Journal of Transplantation
https://www.readbyqxmd.com/read/28933311/mg17-a-novel-triazole-derivative-abrogated-neuroinflammation-and-related-neurodegenerative-symptoms-in-rodents
#16
Gangadhar Matharasala, Ganesh Samala, Yogeeswari Perumal
The objective of present study is to explore multiple effects of the compound MG17 and relate them to achieve better therapeutic potential against neuroinflammation related disorders. We examined whether our compound is acting through regulating neuroinflammatory mediators. We have done some preliminary behavioral studies to shortlist the derivatives using rodent models of peripheral nerve injury in our earlier publication and now we extended our screening studies to explore the test compounds efficacy on other related peripheral neurological disorders such as Streptozotocin-induced diabetic peripheral neuropathy (DPN) and methyl mercury (MeHg) induced neurodegeneration in rats...
September 19, 2017: Current Molecular Pharmacology
https://www.readbyqxmd.com/read/28929907/management-of-obesity-after-spinal-cord-injury-a-systematic-review
#17
M H Shojaei, S M Alaviniaa, B C Craven
CONTEXT: Individuals with chronic spinal cord injury (SCI) are susceptible to central and visceral obesity and it's metabolic consequences; consensus based guidelines for obesity management after SCI have not yet been stablished. OBJECTIVES: To identify and compare effective means of obesity management among SCI individuals. METHODS: This systematic review included English and non-English articles, published prior to April 2017 found in the PubMed/Medline, Embase, CINAHL Psychinfo and Cochrane databases...
September 20, 2017: Journal of Spinal Cord Medicine
https://www.readbyqxmd.com/read/28924010/microrna-1906-a-novel-regulator-of-toll-like-receptor-4-ameliorates-ischemic-injury-after-experimental-stroke-in-mice
#18
Xiaomeng Xu, Zhuoyu Wen, Nan Zhao, Xiaohui Xu, Fang Wang, Jie Gao, Yongjun Jiang, Xinfeng Liu
Toll-like receptor 4 (TLR4) is a pro-inflammatory cascade initiator in post-stroke inflammation. In this study, miR-1906, a novel regulator of TLR4, was identified via in silico analysis and microRNA profiling in male adult mice, and its expression was then quantitated in the ischemic hemisphere. We found miR-1906 to be significantly brain-enriched in the ischemic hemisphere and even more drastically enriched in the peri-infarct regions. Furthermore, in vitro experiments demonstrated that during oxygen-glucose deprivation (OGD), miR-1906 expression was increased in glial cells but decreased in neurons...
September 18, 2017: Journal of Neuroscience: the Official Journal of the Society for Neuroscience
https://www.readbyqxmd.com/read/28913854/preoperative-ultraviolet-b-inflammation-in-skin-modelling-individual-differences-in-acute-postoperative-pain-and-neuro-immune-interactions
#19
T H Lunn, J M Dawes, F Denk, D L Bennett, H Husted, H Kehlet, S B McMahon
BACKGROUND: Neuroimmune interactions play a vital role in many of the most common pain conditions, such as arthritis. There have been many attempts to derive clinically predictive information from an individual's inflammatory response in order to gauge subsequent pain perception. OBJECTIVES: Here, we wanted to test whether this effort could be enhanced and complemented by the use of a model system which takes into account the function of not just circulating, but also tissue-resident immune cells: ultraviolet B (UVB) irradiation of the skin...
September 14, 2017: European Journal of Pain: EJP
https://www.readbyqxmd.com/read/28903026/differential-expression-of-genes-in-fetal-brain-as-a-consequence-of-maternal-protein-deficiency-and-nematode-infection
#20
Manjurul Haque, Lisa M Starr, Kristine G Koski, Marilyn E Scott
Maternal dietary protein deficiency and gastrointestinal nematode infection during early pregnancy have negative impacts on both maternal placental gene expression and fetal growth in the mouse. Here we used next-generation RNA sequencing to test our hypothesis that maternal protein deficiency and/or nematode infection also alter the expression of genes in the developing fetal brain. Outbred pregnant CD1 mice were used in a 2×2 design with two levels of dietary protein (24% versus 6%) and two levels of infection (repeated sham versus Heligmosomoides bakeri beginning at gestation day 5)...
September 10, 2017: International Journal for Parasitology
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