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cholinergic anti inflammatory pathway

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https://www.readbyqxmd.com/read/28421634/vagus-nerve-stimulation-a-new-promising-therapeutic-tool-in-inflammatory-bowel-disease
#1
B Bonaz, V Sinniger, S Pellissier
Inflammatory bowel disease (IBD), that is Crohn's disease (CD) and ulcerative colitis, affects about 1.5 million persons in the USA and 2.2 million in Europe. The pathophysiology of IBD involves immunological, genetic and environmental factors. The treatment is medico-surgical but suspensive. Anti-TNFα agents have revolutionized the treatment of IBD but have side effects. In addition, a non-negligible percentage of patients with IBD stop or take episodically their treatment. Consequently, a nondrug therapy targeting TNFα through a physiological pathway, devoid of major side effects and with a good cost-effectiveness ratio, would be of interest...
April 18, 2017: Journal of Internal Medicine
https://www.readbyqxmd.com/read/28410331/the-role-of-erbin-in-gts-21-regulating-inflammtory-responses-in-mdp-stimulated-macrophages
#2
Xiao-Jing Wu, Xu-Ming Yang, Xue-Min Song, Yang Xu, Jian-Guo Li, Yan-Lin Wang, Zong-Ze Zhang, Lin-Li Le, Hui Liang, Yin Zhang
OBJECTIVE: To explore the role of Erbin protein and nucleotide-binding oligomerization domain 2/receptor-interacting serine/threonine protein kinases (NOD2/RICK) in GTS-21 activating cholinergic anti-inflammatory pathway. METHODS: Experiments were randomly divided into four groups: normal control (NC) group, muramyl dipeptide (MDP) group, 10 μg/mL MDP, GTS-21 (GTS) group, 10 μg/mL MDP plus 50 μg/mL GTS-21 (α7 nAChRs agonist), Erbin shRNA interference (sh-Erbin) group: sh-Erbin RNA plus 10 μg/mL MDP and 50 μg/mL GTS-21...
May 2017: Shock
https://www.readbyqxmd.com/read/28400502/cholinergic-agonists-reduce-blood-pressure-in-a-mouse-model-of-systemic-lupus-erythematosus
#3
Amber S Fairley, Keisa W Mathis
Increased inflammation arising from an abnormal immune response can damage healthy tissue and lead to disease progression. An important example of this is the accumulation of inflammatory mediators in the kidney, which can subsequently lead to hypertension and renal injury. The origin of this inflammation may involve neuro-immune interactions. For example, the novel vagus nerve-to-spleen mechanism known as the "cholinergic anti-inflammatory pathway" controls inflammation upon stimulation. However, if this pathway is dysfunctional, inflammation becomes less regulated and chronic inflammatory diseases such as hypertension may develop...
April 2017: Physiological Reports
https://www.readbyqxmd.com/read/28392244/the-cholinergic-anti-inflammatory-pathway-an-innovative-treatment-strategy-for-neurological-diseases
#4
REVIEW
Bin Han, Xiuping Li, Junwei Hao
Acetylcholine (ACh), as a classical neurotransmitter, regulates the neuronal network in response to internal and external stimuli. In recent decades, the biology of ACh has been endowed with unparalleled new insights, especially with respect to cholinergic anti-inflammatory properties in non-neuronal cells. In fact, a mechanism frequently referred to as the "cholinergic anti-inflammatory pathway" has been termed to describe interactions between the central nervous system (CNS) and the immune system via vagus nerve...
April 6, 2017: Neuroscience and Biobehavioral Reviews
https://www.readbyqxmd.com/read/28386326/activation-of-the-%C3%AE-7-nicotinic-receptor-promotes-lipopolysaccharide-induced-conversion-of-m1-microglia-to-m2
#5
Qichun Zhang, Ying Lu, Huimin Bian, Liwei Guo, Huaxu Zhu
The α7 subtype of the nicotinic acetylcholine receptor (α7 nAChR) plays an essential role in the cholinergic anti-inflammatory pathway that regulates macrophage/microglia function in inflammation. Similar to M1 and M2 macrophages, M1 and M2 microglia exhibit pro-inflammation and anti-inflammation properties, respectively. In the present study, we analyzed function-associated phenotypes to detect the transformation of microglia with activation of α7 nAChRs. We used lentivirus-mediated shRNA to knockdown the expression of α7 nAChR in BV-2 microglia incubated with lipopolysaccharides (LPS, 0...
2017: American Journal of Translational Research
https://www.readbyqxmd.com/read/28379329/median-nerve-stimulation-prevents-atrial-electrical-remodelling-and-inflammation-in-a-canine-model-with-rapid-atrial-pacing
#6
Qingyan Zhao, Shudi Zhang, Hongyi Zhao, Shujuan Zhang, Zixuan Dai, Yongsheng Qian, Youjing Zhang, Xi Wang, Yanhong Tang, Congxin Huang
Aims: Studies have shown that stellate ganglion nerve activity has association with atrial electrical remodelling and atrial fibrillation (AF) inducibility, while median nerve stimulation (MNS) decreases cardiac sympathetic drive. In this study, we tested the hypothesis that MNS suppresses atrial electrical remodelling and AF vulnerability. Methods and results: The atrial effective refractory period (AERP) and AF inducibility at baseline and after 3 h of rapid atrial pacing were determined in dogs undergoing MNS (n = 7), MNS+ application of methyllycaconitine (n = 7) or sham procedure (n = 6)...
March 31, 2017: Europace: European Pacing, Arrhythmias, and Cardiac Electrophysiology
https://www.readbyqxmd.com/read/28288124/c1-neurons-mediate-a-stress-induced-anti-inflammatory-reflex-in-mice
#7
Chikara Abe, Tsuyoshi Inoue, Mabel A Inglis, Kenneth E Viar, Liping Huang, Hong Ye, Diane L Rosin, Ruth L Stornetta, Mark D Okusa, Patrice G Guyenet
C1 neurons, located in the medulla oblongata, mediate adaptive autonomic responses to physical stressors (for example, hypotension, hemorrhage and presence of lipopolysaccharides). We describe here a powerful anti-inflammatory effect of restraint stress, mediated by C1 neurons: protection against renal ischemia-reperfusion injury. Restraint stress or optogenetic C1 neuron (C1) stimulation (10 min) protected mice from ischemia-reperfusion injury (IRI). The protection was reproduced by injecting splenic T cells that had been preincubated with noradrenaline or splenocytes harvested from stressed mice...
March 13, 2017: Nature Neuroscience
https://www.readbyqxmd.com/read/28271317/cholinergic-anti-inflammatory-pathway-does-not-contribute-to-prevention-of-ulcerative-colitis-by-novel-indoline-carbamates
#8
Helena Shifrin, Odelia Mouhadeb, Nathan Gluck, Chen Varol, Marta Weinstock
Indoline carbamates, AN680 and AN917 decrease cytokines, TNF-α and IL-6 in peritoneal macrophages activated by lipopolysaccharide (LPS) and in mouse tissues after LPS injection. They prevent nuclear translocation of nuclear factor κB (NF-κB) and activator protein 1. Only AN917 inhibits cholinesterase (ChE) at relevant concentrations. ChE inhibitors decrease NF-κB by activating α7 nicotinic acetylcholine receptors (α7nAChR). The current study compared the effect of rivastigmine, a ChE inhibitor, AN680 and AN917 on ulcerative colitis induced in mice by ingestion of dextran sodium sulfate (4...
March 7, 2017: Journal of Neuroimmune Pharmacology: the Official Journal of the Society on NeuroImmune Pharmacology
https://www.readbyqxmd.com/read/28228069/recent-advances-in-the-gastric-mucosal-protection-against-stress-induced-gastric-lesions-importance-of-renin-angiotensin-vasoactive-metabolites-gaseous-mediators-and-appetite-peptides
#9
Tomasz Brzozowski, Katarzyna Magierowska, Marcin Magierowski, Agata Ptak-Belowska, Robert Pajdo, Slawomir Kwiecien, Rafal Olszanecki, Ryszard Korbut
Stress is known to cause severe adverse effects in the human gastrointestinal tract including mucosal microbleedings and erosions or even gastric ulceration but the mechanism of these complications has not been fully elucidated. The pathogenesis of stress-induced gastric damage involves the fall in gastric blood flow (GBF), an increase in gastric acid secretion and gastric motility, enhanced adrenergic and cholinergic nerve activity and the rise in gastric mucosal generation of reactive oxygen species. The gastric mucosal defense mechanisms against the deleterious effect of stress include the activation of the hypothalamic-pituitary-adrenal axis which has been linked with glucocorticoids release capable of counteracting of stress-induced gastric lesions...
February 20, 2017: Current Pharmaceutical Design
https://www.readbyqxmd.com/read/28209997/antisense-mir-132-blockade-via-the-ache-r-splice-variant-mitigates-cortical-inflammation
#10
Nibha Mishra, Lyndon Friedson, Geula Hanin, Uriya Bekenstein, Meshi Volovich, Estelle R Bennett, David S Greenberg, Hermona Soreq
MicroRNA (miR)-132 brain-to-body messages suppress inflammation by targeting acetylcholinesterase (AChE), but the target specificity of 3'-AChE splice variants and the signaling pathways involved remain unknown. Using surface plasmon resonance (SPR), we identified preferential miR-132 targeting of soluble AChE-R over synaptic-bound AChE-S, potentiating miR-132-mediated brain and body cholinergic suppression of pro-inflammatory cytokines. Inversely, bacterial lipopolysaccharide (LPS) reduced multiple miR-132 targets, suppressed AChE-S more than AChE-R and elevated inflammatory hallmarks...
February 17, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28197102/right-cervical-vagotomy-aggravates-viral-myocarditis-in-mice-via-the-cholinergic-anti-inflammatory-pathway
#11
Ge Li-Sha, Chen Xing-Xing, Wu Lian-Pin, Zhou De-Pu, Li Xiao-Wei, Lin Jia-Feng, Li Yue-Chun
The autonomic nervous system dysfunction with increased sympathetic activity and withdrawal of vagal activity may play an important role in the pathogenesis of viral myocarditis. The vagus nerve can modulate the immune response and control inflammation through a 'cholinergic anti-inflammatory pathway' dependent on the α7-nicotinic acetylcholine receptor (α7nAChR). Although the role of β-adrenergic stimulation on viral myocarditis has been investigated in our pervious studies, the direct effect of vagal tone in this setting has not been yet studied...
2017: Frontiers in Pharmacology
https://www.readbyqxmd.com/read/28155595/cholinergic-anti-inflammatory-pathway-and-stroke
#12
Kamil Duris, Jolana Lipkova, Michal Jurajda
Stroke is devastating cerebrovascular event which is responsible for 6.7 million deaths each year worldwide. Inflammation plays an important role in the pathophysiology of stroke. Targeting inflammation after stroke is highly actual topic for both experimental and clinical research. Cholinergic anti-inflammatory pathway (CHAIP) is a physiological mechanism by which central nervous system regulates immune response and controls inflammation. Vagus nerve, spleen and α7 nicotinic acetylcholine receptor (α7 nAChR) are the main components of CHAIP...
February 1, 2017: Current Drug Delivery
https://www.readbyqxmd.com/read/28132912/involvement-of-arterial-baroreflex-and-nicotinic-acetylcholine-receptor-%C3%AE-7-subunit-pathway-in-the-protection-of-metformin-against-stroke-in-stroke-prone-spontaneously-hypertensive-rats
#13
Jin-Min Guo, Li Zhang, Xue-Cai Niu, He Shu, Lei Wang, Ding-Feng Su, Ying Zhang, Ai-Jun Liu, De-Qiu Zhu, Jian-Jiang Xu
Stroke is a leading cause of mortality and disability worldwide. There is growing evidence that metformin (Met) has potent neuroprotective effects; however, its mechanisms remain unclear. We examined the role of the arterial baroreflex and cholinergic-α7 nicotinic acetylcholine receptor (α7nAChR) anti-inflammory pathway in the beneficial effects of Met against stroke. Stroke-prone spontaneously hypertensive rats (SHRSP) were used to observe stroke development indicated by lifespan of SHRSP and the ischemic injury induced by permanent middle cerebral artery occlusion (MCAO)...
January 26, 2017: European Journal of Pharmacology
https://www.readbyqxmd.com/read/28127976/galantamine-has-impact-on-immunity-in-mice-exposed-to-keyhole-limpet-hemocyanin
#14
M Pohanka, J Zakova, J Fusek
OBJECTIVES: In this work, we hypothesized whether galantamine could interact with the cholinergic anti-inflammatory pathway and modulate immunity this way. BACKGROUND: Galantamine is a drug used for the therapy of Alzheimer disease. The drug inhibits enzyme acetylcholinesterase in the central nervous system, which causes better availability of neurotransmitter acetylcholine. METHODS: In the experiment, we immunized BALB/c laboratory mice by keyhole limpet hemocyanin (KLH) in combination with galantamine in a dose 0...
2017: Bratislavské Lekárske Listy
https://www.readbyqxmd.com/read/28123345/the-protective-effect-of-alpha-7-nicotinic-acetylcholine-receptor-activation-on-critical-illness-and-its-mechanism
#15
REVIEW
Chao Ren, Ya-Lin Tong, Jun-Cong Li, Zhong-Qiu Lu, Yong-Ming Yao
Critical illnesses and injuries are recognized as major threats to human health, and they are usually accompanied by uncontrolled inflammation and dysfunction of immune response. The alpha 7 nicotinic acetylcholine receptor (α7nAchR), which is a primary receptor of cholinergic anti-inflammatory pathway (CAP), exhibits great benefits for critical ill conditions. It is composed of 5 identical α7 subunits that form a central pore with high permeability for calcium. This putative structure is closely associated with its functional states...
2017: International Journal of Biological Sciences
https://www.readbyqxmd.com/read/28116780/r1-autonomic-nervous-system-in-acute-kidney-injury
#16
REVIEW
Dagmara Hering, Pawel J Winklewski
Acute kidney injury (AKI) is a rapid loss of kidney function resulting in accumulation of end metabolic products and associated abnormalities in fluid, electrolyte and acid-base homeostasis. The pathophysiology of AKI is complex and multifactorial involving numerous vascular, tubular and inflammatory pathways. Neurohumoral activation with heightened activity of the sympathetic nervous system and renin-angiotensin-aldosterone system play a critical role in this scenario. Inflammation and/or local renal ischaemia are underlying mechanisms triggering renal tissue hypoxia and resultant renal microcirculation dysfunction; a common feature of AKI occurring in numerous clinical conditions leading to a high morbidity and mortality rate...
February 2017: Clinical and Experimental Pharmacology & Physiology
https://www.readbyqxmd.com/read/28091409/effect-of-shensong-yangxin-on-the-progression-of-paroxysmal-atrial-fibrillation-is-correlated-with-regulation-of-autonomic-nerve-activity
#17
Hong-Yi Zhao, Shu-Di Zhang, Kai Zhang, Xi Wang, Qing-Yan Zhao, Shu-Juan Zhang, Zi-Xuan Dai, Yong-Sheng Qian, You-Jing Zhang, Hao-Tian Wei, Yan-Hong Tang, Cong-Xin Huang
BACKGROUND: Shensong Yangxin (SSYX), a traditional Chinese herbal medicine, has long been used clinically to treat arrhythmias in China. However, the mechanism of SSYX on atrial fibrillation (AF) is unknown. In this study, we tested the hypothesis that the effect of SSYX on the progression of paroxysmal AF is correlated with the regulation of autonomic nerve activity. METHODS: Eighteen mongrel dogs were randomly divided into control group (n = 6), pacing group (n = 6), and pacing + SSYX group (n = 6)...
January 20, 2017: Chinese Medical Journal
https://www.readbyqxmd.com/read/28078611/hyperbaric-oxygen-prevents-cognitive-impairments-in-mice-induced-by-d-galactose-by-improving-cholinergic-and-anti-apoptotic-functions
#18
Chunxia Chen, Luying Huang, Zhihuan Nong, Yaoxuan Li, Wan Chen, Jianping Huang, Xiaorong Pan, Guangwei Wu, Yingzhong Lin
Our previous study demonstrated that hyperbaric oxygen (HBO) improved cognitive impairments mainly by regulating oxidative stress, inflammatory responses and aging-related gene expression. However, a method for preventing cognitive dysfunction has yet to be developed. In the present study, we explored the protective effects of HBO on the cholinergic system and apoptosis in D-galactose (D-gal)-treated mice. A model of aging was established via systemic intraperitoneal injection of D-gal daily for 8 weeks. HBO was administered during the last 2 weeks of D-gal injection...
January 11, 2017: Neurochemical Research
https://www.readbyqxmd.com/read/28051128/electroacupuncture-treatment-partly-promotes-the-recovery-time-of-postoperative-ileus-by-activating-the-vagus-nerve-but-not-regulating-local-inflammation
#19
Jun-Fan Fang, Jian-Qiao Fang, Xiao-Mei Shao, Jun-Ying Du, Yi Liang, Wen Wang, Zhe Liu
Postoperative ileus (POI) after abdominal surgery significantly lowers the life quality of patients and increase hospital costs. However, few treatment strategies have successfully shortened the duration of POI. Electroacupuncture (EA) is a modern way of administering acupuncture and widely used in various gastrointestinal (GI) diseases in the world. Here, we studied the effect of EA on POI and its underlying mechanisms. Intestinal manipulation resulted in significant delays of GI transit, colonic transit and gastric emptying...
January 4, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28012451/activation-of-the-cholinergic-anti-inflammatory-pathway-by-nicotine-ameliorates-lipopolysaccharide-induced-preeclampsia-like-symptoms-in-pregnant-rats
#20
Yuanyuan Liu, Jinying Yang, Junjie Bao, Xiaolan Li, Aihua Ye, Guozheng Zhang, Huishu Liu
INTRODUCTION: Preeclampsia (PE) exerts a more intense systemic inflammatory response than normal pregnancy. Recently, the role of the cholinergic anti-inflammatory pathway (CAP) in regulating inflammation has been extensively studied. The aim of this study was to investigate the effect of nicotine, a selective cholinergic agonist, on lipopolysaccharide (LPS)-induced preeclampsia-like symptoms in pregnant rats and to determine the molecular mechanism underlying it. METHODS: Rats were administered LPS (1...
January 2017: Placenta
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