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Neurogenic inflammation

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https://www.readbyqxmd.com/read/29782911/estrogen-deficiency-exacerbates-a%C3%AE-induced-memory-impairment-through-enhancement-of-neuroinflammation-amylodogenesis-and-nf-%C3%A4-b-activation-in-ovariectomized-mice
#1
Jaesuk Yun, In Jun Yeo, Chul Ju Hwang, Dong-Young Choi, Hyung-Sik Im, Ji Youg Kim, Won Rak Choi, Myung Hee Jung, Sang-Bae Han, Jin Tae Hong
Estrogen is well known to have a preventative effect in Alzheimer's disease (AD) pathology. Several studies have demonstrated that nuclear factor kappa-B (NF-ĸB) can contribute to the effects of estrogen on the development of AD. We investigated whether NF-ĸB affects amyloid-beta (Aβ)-induced memory impairment in an estrogen-lacking condition. In the present study, nine-week-old Institute cancer research (ICR) mice were ovariectomized to block estrogen stimulation. Ten weeks after the ovariectomization, mice were administered with Aβ (300 pmol) via intracerebroventricular (ICV) infusion for 2 weeks...
May 18, 2018: Brain, Behavior, and Immunity
https://www.readbyqxmd.com/read/29781659/nicotine-deprivation-increases-pain-intensity-neurogenic-inflammation-and-mechanical-hyperalgesia-among-daily-tobacco-smokers
#2
Joseph W Ditre, Emily L Zale, Lisa R LaRowe, Jesse D Kosiba, Martin J De Vita
An evolving reciprocal model posits that pain and tobacco smoking behavior interact in the manner of a positive feedback loop, resulting in greater pain and the maintenance of nicotine dependence. There is also reason to believe that abstaining from smoking may increase pain during the early stages of smoking cessation. The goal of this study was to test the effects of nicotine deprivation on experimental pain reactivity. Daily tobacco cigarette smokers (N = 165; 43% female) were randomized to either extended nicotine deprivation (12-24 hr smoking abstinence), minimal deprivation (2 hr smoking abstinence), or continued smoking conditions, prior to undergoing pain induction via topical capsaicin...
May 21, 2018: Journal of Abnormal Psychology
https://www.readbyqxmd.com/read/29779134/complexity-of-systems-and-actions-underlying-neurogenic-inflammation
#3
EDITORIAL
Tony L Yaksh, Anna Di Nardo
No abstract text is available yet for this article.
May 2018: Seminars in Immunopathology
https://www.readbyqxmd.com/read/29775734/defining-the-osteoarthritis-patient-back-to-the-future
#4
REVIEW
Geoffrey P Dobson, Hayley L Letson, Andrea Grant, Peter McEwen, Kaushik Hazratwala, Matthew Wilkinson, Jodie L Morris
The history of osteoarthritis (OA) is important because it can help broaden our perspective on past and present controversies. The naming of OA, beginning with Heberden's nodes, is itself a fascinating story. According to Albert Hoffa, R. Llewellyn Jones and Archibald Edward Garrod, the name OA was introduced in the mid-19th century by surgeon Richard von Volkmann who distinguished it from rheumatoid arthritis and gout. Others preferred the terms 'chronical rheumatism', 'senile arthritis', 'hypertrophic arthritis' or 'arthritis deformans'...
May 15, 2018: Osteoarthritis and Cartilage
https://www.readbyqxmd.com/read/29773953/mir-34a-mediated-regulation-of-xist-in-female-cells-under-inflammation
#5
Botros B Shenoda, Yuzhen Tian, Guillermo M Alexander, Enrique Aradillas-Lopez, Robert J Schwartzman, Seena K Ajit
Background: Evidence is overwhelming for sex differences in pain, with women representing the majority of the chronic pain patient population. There is a need to explore novel avenues to elucidate this sex bias in the development of chronic inflammatory pain conditions. Complex regional pain syndrome (CRPS) is a chronic neuropathic pain disorder, and the incidence of CRPS is greater in women than in men by ~4:1. Since neurogenic inflammation is a key feature of CRPS, dysregulation of inflammatory responses can be a factor in predisposing women to chronic pain...
2018: Journal of Pain Research
https://www.readbyqxmd.com/read/29753705/spinal-cord-injury-how-could-acupuncture-help
#6
REVIEW
Qianqian Fan, Omer Cavus, Lize Xiong, Yun Xia
Spinal cord injury (SCI) is one of the most common causes of death and disability worldwide, and it can result in both permanent disability and serial complications in patients. Research shows that patients with SCI complications are often interested in acupuncture for symptomatic relief. Therefore, the issue of physicians advising their patients regarding the use of acupuncture to alleviate SCI complications becomes pertinent. We review and summarize two types of relevant publications: (1) literature concerning acupuncture for SCI and its complications and (2) underlying mechanisms of acupuncture therapy for SCI...
May 10, 2018: Journal of Acupuncture and Meridian Studies
https://www.readbyqxmd.com/read/29730970/spinal-glial-adaptations-occur-in-a-minimally-invasive-mouse-model-of-endometriosis-potential-implications-for-lesion-etiology-and-persistent-pelvic-pain
#7
Kelsi N Dodds, Elizabeth A H Beckett, Susan F Evans, Mark R Hutchinson
Glial adaptations within the central nervous system are well known to modulate central sensitization and pain. Recently, it has been suggested that activity of glial-related proinflammatory cytokines may potentiate peripheral inflammation, via central neurogenic processes. However, a role for altered glial function has not yet been investigated in the context of endometriosis, a chronic inflammatory condition in women associated with peripheral lesions, often manifesting with persistent pelvic pain. Using a minimally invasive mouse model of endometriosis, we investigated associations between peripheral endometriosis-like lesions and adaptations in central glial reactivity...
January 1, 2018: Reproductive Sciences
https://www.readbyqxmd.com/read/29730242/potentiation-of-capsaicin-induced-neurogenic-inflammation-by-5-ht7-receptors-in-the-rat-hind-paw-involvement-of-calcitonin-gen-related-peptide
#8
Luis D Arreola-Peralta, Frida Altamirano-Reyna, Deni M Galindo-González, Jessica G Solis-Anguiano, Enza Lacivita, Marcello Leopoldo, José A Terrón
A decrease in the activation threshold of primary sensory neurons to transient receptor potential V1 (TRPV1) stimulation by serotonin 5-HT7 receptors has been reported but no confirmation if this might translate into facilitation of neurogenic inflammation has been provided. We analysed the modulation of capsaicin (CAP)-induced neurogenic inflammation in the rat hind paw by the selective 5-HT7 receptor agonist, LP-44, and the involvement of calcitonin gen-related peptide (CGRP) in this effect. Animals received intra-plantar injections (30 μl) of vehicle, CAP (0...
May 3, 2018: Peptides
https://www.readbyqxmd.com/read/29722303/harnessing-migraines-for-neural-regeneration
#9
REVIEW
Jonathan M Borkum
The success of naturalistic or therapeutic neuroregeneration likely depends on an internal milieu that facilitates the survival, proliferation, migration, and differentiation of stem cells and their assimilation into neural networks. Migraine attacks are an integrated sequence of physiological processes that may protect the brain from oxidative stress by releasing growth factors, suppressing apoptosis, stimulating neurogenesis, encouraging mitochondrial biogenesis, reducing the production of oxidants, and upregulating antioxidant defenses...
April 2018: Neural Regeneration Research
https://www.readbyqxmd.com/read/29713744/skin-neurogenic-inflammation
#10
REVIEW
Jae Eun Choi, Anna Di Nardo
The epidermis closely interacts with nerve endings, and both epidermis and nerves produce substances for mutual sustenance. Neuropeptides, like substance P (SP) and calcitonin gene-related protein (CGRP), are produced by sensory nerves in the dermis; they induce mast cells to release vasoactive amines that facilitate infiltration of neutrophils and T cells. Some receptors are more important than others in the generation of itch. The Mas-related G protein-coupled receptors (Mrgpr) family as well as transient receptor potential ankyrin 1 (TRPA1) and protease activated receptor 2(Par2) have important roles in itch and inflammation...
April 30, 2018: Seminars in Immunopathology
https://www.readbyqxmd.com/read/29689522/differential-effects-of-lipopolysaccharide-on-mouse-sensory-trp-channels
#11
Brett Boonen, Yeranddy A Alpizar, Alicia Sanchez, Alejandro López-Requena, Thomas Voets, Karel Talavera
Acute neurogenic inflammation and pain associated to bacterial infection have been traditionally ascribed to sensitization and activation of sensory nerve afferents secondary to immune cell stimulation. However, we recently showed that lipopolysaccharides (LPS) directly activate the Transient Receptor Potential channels TRPA1 in sensory neurons and TRPV4 in airway epithelial cells. Here we investigated whether LPS activates other sensory TRP channels expressed in sensory neurons. Using intracellular Ca2+ imaging and patch-clamp we determined the effects of LPS on recombinant TRPV1, TRPV2, TRPM3 and TRPM8, heterologously expressed in HEK293T cells...
April 14, 2018: Cell Calcium
https://www.readbyqxmd.com/read/29616309/a-historical-perspective-on-the-role-of-sensory-nerves-in-neurogenic-inflammation
#12
REVIEW
João Sousa-Valente, Susan D Brain
The term 'neurogenic inflammation' is commonly used, especially with respect to the role of sensory nerves within inflammatory disease. However, despite over a century of research, we remain unclear about the role of these nerves in the vascular biology of inflammation, as compared with their interacting role in pain processing and of their potential for therapeutic manipulation. This chapter attempts to discuss the progress in understanding, from the initial discovery of sensory nerves until the present day...
April 3, 2018: Seminars in Immunopathology
https://www.readbyqxmd.com/read/29604386/applications-of-inflammation-derived-gingival-stem-cells-for-testing-the-biocompatibility-of-dental-restorative-biomaterials
#13
A Soancă, M Lupse, M Moldovan, E Pall, M Cenariu, A Roman, O Tudoran, P Surlin, O Șorițău
BACKGROUND: Normal or inflamed gingival tissues are regarded as a source of mesenchymal stem cells (MSCs) abundant and easily accessible through minimally invasive dental procedures. Due to the proximity of dental resin composites to gingival tissues and to the possible local cytotoxic effect of the eluted components, gingiva-derived MSCs could be used to investigate the biocompatibility of dental biomaterials. PURPOSE: The present research aimed to isolate (MSCs) from inflamed and normal gingiva, to fully characterize them and to observe their behavior in relation with some commercial resin composite materials and one experimental material...
March 28, 2018: Annals of Anatomy, Anatomischer Anzeiger: Official Organ of the Anatomische Gesellschaft
https://www.readbyqxmd.com/read/29590553/aps-sickle-cell-disease-conference-mini-review-targeting-pain-at-its-source-in-sickle-cell-disease
#14
Kanika Gupta, Om Jahagirdar, Kalpna Gupta
Sickle cell disease (SCD) is a genetic disorder associated with hemolytic anemia, end-organ damage, reduced survival and pain. One of the unique features of SCD is, recurrent and unpredictable episodes of acute pain due to vaso-occlusive crisis, requiring hospitalization. Additionally, SCD patients often develop chronic persistent pain. Currently, sickle pain is treated with opioids, an approach limited by adverse effects. Because pain can start at infancy and continue throughout life, preventing the genesis of pain may be relatively better than treating the pain once it has been evoked...
March 28, 2018: American Journal of Physiology. Regulatory, Integrative and Comparative Physiology
https://www.readbyqxmd.com/read/29582112/role-of-neurogenic-inflammation-in-local-communication-in-the-visceral-mucosa
#15
REVIEW
Lori A Birder, F Aura Kullmann
Intense research has focused on the involvement of the nervous system in regard to cellular mechanisms underlying neurogenic inflammation in the pelvic viscera. Evidence supports the neural release of inflammatory factors, trophic factors, and neuropeptides in the initiation of inflammation. However, more recently, non-neuronal cells including epithelia, endothelial, mast cells, and paraneurons are likely important participants in nervous system functions. For example, the urinary bladder urothelial cells are emerging as key elements in the detection and transmission of both physiological and nociceptive stimuli in the lower urinary tract...
March 26, 2018: Seminars in Immunopathology
https://www.readbyqxmd.com/read/29581063/characterization-of-rat-primary-trigeminal-satellite-glial-cells-and-associated-extracellular-vesicles-under-normal-and-inflammatory-conditions
#16
Hye Sook Han Vinterhøj, Allan Stensballe, Meg Duroux, Parisa Gazerani
Satellite glial cells (SGCs) in sensory ganglia contribute to the pathogenesis of chronic pain, potentially through mediating extracellular or paracrine signaling. Recently, extracellular vesicles (EVs) in the form of exosomes have been found to play an important role in cell-cell communication. However, their release from SGCs and extent in modulating pain remain unknown. An in vitro cell platform using fresh primary SGCs was used to characterize the shed vesicles by size and proteomic profiling following activation of SGCs by lipopolysaccharide (LPS), simulating neurogenic inflammation in vivo...
March 23, 2018: Journal of Proteomics
https://www.readbyqxmd.com/read/29578059/the-effect-of-the-electrophilic-fatty-acid-nitro-oleic-acid-on-trp-channel-function-in-sensory-neurons
#17
REVIEW
Jonathan M Beckel, William C de Groat
Nitro-oleic acid (NO2 -OA) and related nitroalkenes are electrophilic fatty acid derivatives that are present in normal tissues at nanomolar concentrations and can increase significantly during inflammation. These substances can suppress multiple intracellular signaling pathways contributing to inflammation by reversible Michael addition reactions with nucleophilic residues such as cysteine and histidine leading to post-translational modification of proteins. NO2 -OA also can influence inflammation and pain by acting on transient receptor potential (TRP) channels in primary sensory neurons...
March 22, 2018: Nitric Oxide: Biology and Chemistry
https://www.readbyqxmd.com/read/29568973/neurogenic-inflammation-and-its-role-in-migraine
#18
REVIEW
Roshni Ramachandran
The etiology of migraine pain involves sensitized meningeal afferents that densely innervate the dural vasculature. These afferents, with their cell bodies located in the trigeminal ganglion, project to the nucleus caudalis, which in turn transmits signals to higher brain centers. Factors such as chronic stress, diet, hormonal fluctuations, or events like cortical spreading depression can generate a state of "sterile inflammation" in the intracranial meninges resulting in the sensitization and activation of trigeminal meningeal nociceptors...
March 22, 2018: Seminars in Immunopathology
https://www.readbyqxmd.com/read/29561921/nasal-symptoms-epithelial-injury-and-neurogenic-inflammation-in-elite-swimmers
#19
B Steelant, V Hox, L Van Gerven, E Dilissen, E Dekimpe, A Kasran, S Aertgeerts, V Van Belle, K Peers, L J Dupont, P W Hellings, D M Bullens, S F Seys
BACKGROUND: A high burden of lower airway symptoms is found in elite swimmers. To what extent elite swimmers suffer from upper airway symptoms and how these associate with nasal inflammation is less clear. We here aimed to evaluate upper airway symptoms and nasal inflammation in elite athletes. METHODOLOGY: Elite swimmers, indoor athletes and age-matched controls were recruited. Upper airway symptoms were assessed by sino-nasal outcome test (SNOT)-22 questionnaire...
March 21, 2018: Rhinology
https://www.readbyqxmd.com/read/29556959/neurogenic-inflammation-in-fibromyalgia
#20
REVIEW
Geoffrey Littlejohn, Emma Guymer
Fibromyalgia is a high impact chronic pain disorder with a well-defined and robust clinical phenotype. Key features include widespread pain and tenderness, high levels of sleep disturbance, fatigue, cognitive dysfunction and emotional distress. Abnormal processing of pain and other sensory input occurs in the brain, spinal cord and periphery and is related to the processes of central and peripheral sensitization. As such, fibromyalgia is deemed to be one of the central sensitivity syndromes. There is increasing evidence of neurogenically derived inflammatory mechanisms occurring in the peripheral tissues, spinal cord and brain in fibromyalgia...
March 19, 2018: Seminars in Immunopathology
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