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Resolvin

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https://www.readbyqxmd.com/read/29765320/distinct-analgesic-actions-of-dha-and-dha-derived-specialized-pro-resolving-mediators-on-post-operative-pain-after-bone-fracture-in-mice
#1
Linlin Zhang, Niccolò Terrando, Zhen-Zhong Xu, Sangsu Bang, Sven-Eric Jordt, William Maixner, Charles N Serhan, Ru-Rong Ji
Mechanisms of pain resolution are largely unclear. Increasing evidence suggests that specialized pro-resolving mediators (SPMs), derived from fish oil docosahexaenoic acid (DHA), promote the resolution of acute inflammation and potently inhibit inflammatory and neuropathic pain. In this study, we examined the analgesic impact of DHA and DHA-derived SPMs in a mouse model of post-operative pain induced by tibial bone fracture (fPOP). Intravenous perioperative treatment with DHA (500 μg), resolvin D1 (RvD1, 500 ng) and maresin 1 (MaR1, 500 ng), 10 min and 24 h after the surgery, delayed the development of fPOP (mechanical allodynia and cold allodynia)...
2018: Frontiers in Pharmacology
https://www.readbyqxmd.com/read/29763660/docosahexaenoic-acid-derived-oxidized-lipid-metabolites-modulate-the-inflammatory-response-of-lipolysaccharide-stimulated-macrophages
#2
John P Caron, Jeffrey C Gandy, Jennifer L Brown, Lorraine M Sordillo
Docosahexaenoic acid (DHA) supplementation has demonstrated beneficial effects in a number of inflammatory diseases. Increasingly, important contributions to its favorable effects are attributed downstream metabolites called docosanoids. Herein, we investigated the role of DHA-derived oxidized lipid metabolites on inflammatory mediator expression by RAW 264.7 murine macrophages. Specifically, macrophage incorporation of DHA, and the resultant biosynthesis of selected pro-resolving docosanoids was quantified...
May 12, 2018: Prostaglandins & Other Lipid Mediators
https://www.readbyqxmd.com/read/29757195/resolvins-in-inflammation-emergence-of-the-pro-resolving-superfamily-of-mediators
#3
Charles N Serhan, Bruce D Levy
Countless times each day, the acute inflammatory response protects us from invading microbes, injuries, and insults from within, as in surgery-induced tissue injury. These challenges go unnoticed because they are self-limited and naturally resolve without progressing to chronic inflammation. Peripheral blood markers of inflammation are present in many common diseases, including inflammatory bowel disease, cardiovascular disease, neurodegenerative disease, and cancer. While acute inflammation is protective, excessive swarming of neutrophils amplifies collateral tissue damage and inflammation...
May 14, 2018: Journal of Clinical Investigation
https://www.readbyqxmd.com/read/29739755/erv1-chemr23-signaling-protects-from-atherosclerosis-by-modifying-oxldl-uptake-and-phagocytosis-in-macrophages
#4
Andres Laguna-Fernandez, Antonio Checa, Miguel Carracedo, Gonzalo Artiach, Marcelo H Petri, Roland Baumgartner, Maria J Forteza, Xintong Jiang, Teodora Andonova, Mary E Walker, Jesmond Dalli, Hildur Arnardottir, Anton Gisterå, Silke Thul, Craig E Wheelock, Gabrielle Paulsson-Berne, Daniel F J Ketelhuth, Göran K Hansson, Magnus Bäck
Background -In addition to enhanced pro-inflammatory signaling, impaired resolution of vascular inflammation plays a key role in atherosclerosis. Pro-resolving lipid mediators formed through the 12/15 lipoxygenase pathways exert protective effects against murine atherosclerosis. n-3 polyunsaturated fatty acids, including eicosapentaenoic acid (EPA), serve as the substrate for the formation of lipid mediators, which transduce potent anti-inflammatory and pro-resolving actions through their cognate G-protein-coupled receptors...
May 8, 2018: Circulation
https://www.readbyqxmd.com/read/29730187/identification-of-proresolving-and-inflammatory-lipid-mediators-in-human-psoriasis
#5
Alexander V Sorokin, Paul C Norris, Justin T English, Amit K Dey, Abhishek Chaturvedi, Yvonne Baumer, Joanna Silverman, Martin P Playford, Charles N Serhan, Nehal N Mehta
BACKGROUND: Psoriasis (PSO) is an immune-mediated inflammatory disease associated with metabolic and cardiovascular comorbidities. It is now known that resolution of inflammation is an active process locally controlled by specialized proresolving mediators (SPMs), named resolvins (Rvs), protectins, and maresins. OBJECTIVE: It is unknown whether these potent lipid mediators (LMs) are involved in PSO pathophysiology and if the skin and blood have disease-specific SPMs phenotype profiles...
April 6, 2018: Journal of Clinical Lipidology
https://www.readbyqxmd.com/read/29723062/resolvin-e1-attenuates-injury-induced-vascular-neointimal-formation-by-inhibition-of-inflammatory-responses-and-vascular-smooth-muscle-cell-migration
#6
Guizhu Liu, Yanjun Gong, Rui Zhang, Lingjuan Piao, Xinzhi Li, Qian Liu, Shuai Yan, Yujun Shen, Shumin Guo, Mingjiang Zhu, Huiyong Yin, Colin D Funk, Jian Zhang, Ying Yu
Mechanical insults, such as stent implantation, can induce endothelial injury, vascular inflammation, and ultimately lead to vascular neointimal hyperplasia. Resolvin E1 (RvE1), derived from the ω3 fatty acid eicosapentaenoic acid, can facilitate the resolution of inflammation in many settings. We therefore aimed to determine if there was a role for RvE1 in preventing neointimal formation after arterial injury and to understand the underlying mechanisms. Vascular inflammation and neointimal hyperplasia were induced by wire injury in the femoral arteries of mice...
May 3, 2018: FASEB Journal: Official Publication of the Federation of American Societies for Experimental Biology
https://www.readbyqxmd.com/read/29702100/signaling-pathways-activated-by-resolvin-e1-to-stimulate-mucin-secretion-and-increase-intracellular-ca-2-in-cultured-rat-conjunctival-goblet-cells
#7
Marit Lippestad, Robin R Hodges, Tor P Utheim, Charles N Serhan, Darlene A Dartt
Glycoconjugate mucin secretion from conjunctival goblet cells is tightly regulated by nerves and specialized pro-resolving mediators (SPMs) to maintain ocular surface health. Here we investigated the actions of the SPM resolvin E1 (RvE1) on cultured rat conjunctival goblet cell glycoconjugate secretion and intracellular [Ca2+ ] ([Ca2+ ]i ) and the signaling pathways used by RvE1. Goblet cells were cultured from rat conjunctiva in RPMI medium. The amount of RvE1-stimulated glycoconjugate mucin secretion was determined using an enzyme-linked lectin assay with Ulex Europaeus Agglutinin 1 lectin...
April 24, 2018: Experimental Eye Research
https://www.readbyqxmd.com/read/29696149/anti-inflammatory-benefits-of-antibiotics-tylvalosin-induces-apoptosis-of-porcine-neutrophils-and-macrophages-promotes-efferocytosis-and-inhibits-pro-inflammatory-cxcl-8-il1%C3%AE-and-ltb-4-production-while-inducing-the-release-of-pro-resolving-lipoxin-a-4-and-resolvin
#8
Ruth Moges, Dimitri Desmonts De Lamache, Saman Sajedy, Bernard S Renaux, Morley D Hollenberg, Gregory Muench, Elizabeth M Abbott, Andre G Buret
Excessive accumulation of neutrophils and their uncontrolled death by necrosis at the site of inflammation exacerbates inflammatory responses and leads to self-amplifying tissue injury and loss of organ function, as exemplified in a variety of respiratory diseases. In homeostasis, neutrophils are inactivated by apoptosis, and non phlogistically removed by neighboring macrophages in a process known as efferocytosis, which promotes the resolution of inflammation. The present study assessed the potential anti-inflammatory and pro-resolution benefits of tylvalosin, a recently developed broad-spectrum veterinary macrolide derived from tylosin...
2018: Frontiers in Veterinary Science
https://www.readbyqxmd.com/read/29684359/the-g-protein-coupled-receptor-alx-fpr2-regulates-adaptive-immune-responses-in-mouse-submandibular-glands
#9
Ching-Shuen Wang, Olga J Baker
ALX/FPR2 is a G-protein-coupled receptor that has multiple binding partners, including the endogenous lipid mediators resolvin D1 (RvD1), lipoxin A4 (LXA4 ), and the Ca2+ -dependent phospholipid-binding protein Annexin A1. Previous studies demonstrated that RvD1 activates ALX/FPR2 to resolve salivary gland inflammation in the NOD/ShiLtJ mouse model for Sjögren's syndrome. Moreover, mice lacking the ALX/FPR2 display an exacerbated salivary gland inflammation in response to lipopolysaccharide. Additionally, activation of ALX/FPR2 has been shown to be important for regulating antibody production in B cells...
April 20, 2018: American Journal of Pathology
https://www.readbyqxmd.com/read/29679485/identification-and-structure-elucidation-of-the-proresolving-mediators-provides-novel-leads-for-resolution-pharmacology
#10
REVIEW
Jesmond Dalli, Charles N Serhan
Inflammatory diseases are a major socioeconomic burden, with the incidence of such conditions on the rise, especially in western societies. For decades, the primary treatment paradigm for many of these conditions was to develop drugs that inhibit or antagonize the production and biological actions of molecules that were thought to be the culprits in propagating disease, these include cytokines and eicosanoids. This approach is effective in controlling disease propagation; however, long-term exposure to these anti-inflammatories is also associated with many side effects, some of which severe, including immune-suppression...
April 21, 2018: British Journal of Pharmacology
https://www.readbyqxmd.com/read/29679463/cdp-choline-protects-liver-from-ischemia-reperfusion-injury-preserving-mitochondrial-function-and-reducing-oxidative-stress
#11
Cecilia Zazueta, Mabel Buelna-Chontal, Arturo Macías-López, Nadia G Román-Anguiano, Héctor González-Pacheco, Natalia Pavón, Rashidi Springall, Alberto Aranda-Frausto, Rafael Bojalil, Alejandro Silva-Palacios, Rodrigo Velázquez-Espejel, Sonia Galvan Arzate, Francisco Correa
CDP-choline (citicoline) participates as intermediary in the synthesis of phosphatidylcholine, an essential component of cellular membranes. Citicoline treatment has shown beneficial effects in cerebral ischemia, but its potential to diminish reperfusion damage in liver has not been explored. In this work, we evaluated the hepatoprotective effect of citicoline and its possible association with inflammatory/oxidative stress and mitochondrial function, as they are main cellular features of reperfusion damage...
April 20, 2018: Liver Transplantation
https://www.readbyqxmd.com/read/29674943/maresins-specialized-proresolving-lipid-mediators-and-their-potential-role-in-inflammatory-related-diseases
#12
REVIEW
Shi Tang, Ming Wan, Wei Huang, R C Stanton, Yong Xu
Acute inflammatory responses are host-protective and normally self-limited; these responses can maintain cell homeostasis and promote defense against various infections and damage factors. However, when improperly managed or inappropriately activated, acute inflammation can lead to persistent and uncontrolled chronic inflammation, which is associated with many other chronic diseases including cardiovascular disease and metabolic disease. Recently, studies have shown that resolution of acute inflammation is a biosynthetically active process...
2018: Mediators of Inflammation
https://www.readbyqxmd.com/read/29665653/upregulation-of-ppar-%C3%AE-mediates-the-renoprotective-effect-of-omega-3-pufa-and-ferulic-acid-in-gentamicin-intoxicated-rats
#13
Nahla E El-Ashmawy, Naglaa F Khedr, Hoda A El-Bahrawy, Sara A Helal
Ferulic acid (FrA) is a natural product containing phenolic compounds. ω-3 PUFA is the major constituent of fish oil. The aim of this study was to investigate the renoprotective role of FrA and FO in gentamicin (GM)-induced nephrotoxicity in rats. Forty four male rats were divided equally into 4 groups: Control group, GM group, FrA + GM group and FO + GM group. Each of the treated groups was injected with GM (40 mg/kg) i.p. for 9 consecutive days. FrA (100 mg/kg) and FO (5 mL/kg) were given to rats orally daily for 10 days prior to GM and then concomitantly with GM for additional 9 days...
March 2018: Biomedicine & Pharmacotherapy, Biomédecine & Pharmacothérapie
https://www.readbyqxmd.com/read/29664060/specialized-pro-resolving-mediators-regulate-alveolar-fluid-clearance-during-acute-respiratory-distress-syndrome
#14
REVIEW
Qian Wang, Song-Fan Yan, Yu Hao, Sheng-Wei Jin
Objective: Acute respiratory distress syndrome (ARDS) is an acute and lethal clinical syndrome that is characterized by the injury of alveolar epithelium, which impairs active fluid transport in the lung, and impedes the reabsorption of edema fluid from the alveolar space. This review aimed to discuss the role of pro-resolving mediators on the regulation of alveolar fluid clearance (AFC) in ARDS. Data Sources: Articles published up to September 2017 were selected from the PubMed, with the keywords of "alveolar fluid clearance" or "lung edema" or "acute lung injury" or "acute respiratory distress syndrome", and "specialized pro-resolving mediators" or "lipoxin" or "resolvin" or "protectin" or "maresin" or "alveolar epithelial cells" or "aspirin-triggered lipid mediators" or "carbon monoxide and heme oxygenase" or "annexin A1"...
April 20, 2018: Chinese Medical Journal
https://www.readbyqxmd.com/read/29643724/resolvin-d1-promotes-corneal-epithelial-wound-healing-and-restoration-of-mechanical-sensation-in-diabetic-mice
#15
Zhenzhen Zhang, Xiaoli Hu, Xia Qi, Guohu Di, Yangyang Zhang, Qian Wang, Qingjun Zhou
Purpose: To investigate the effect and mechanism of proresolving lipid mediator resolvin D1 (RvD1) on the corneal epithelium and the restoration of mechanical sensation in diabetic mice. Methods: Type 1 diabetes was induced in mice with intraperitoneal streptozocin injections. The healthy and diabetic mice underwent removal of the central corneal epithelium, and then 100 ng/ml RvD1 or its formyl peptide receptor 2 (FPR2) antagonist WRW4 was used to treat the diabetic mice...
2018: Molecular Vision
https://www.readbyqxmd.com/read/29621782/enhanced-pro-inflammatory-response-of-macrophages-to-interleukin-33-in-an-allergic-environment
#16
Noel Chia, Rakesh K Kumar, Paul S Foster, Cristan Herbert
BACKGROUND: Allergic asthma is common in childhood and is associated with a T-helper type 2 (Th2)-biased immunological response. Exacerbations of asthma are characterised by increased inflammation of the airways, which appears to be driven by interleukin (IL)-33 that can activate pulmonary macrophages. The Th2 cytokine environment of allergic asthma may contribute to exaggerated airway inflammation. OBJECTIVES: To test this, we assessed whether production of pro-inflammatory cytokines by IL-33-stimulated macrophages was enhanced in cells pre-treated with the key Th2 cytokines IL-4 and IL-13...
2018: International Archives of Allergy and Immunology
https://www.readbyqxmd.com/read/29601102/frontline-science-specialized-proresolving-lipid-mediators-inhibit-the-priming-and-activation-of-the-macrophage-nlrp3-inflammasome
#17
Aritz Lopategi, Roger Flores-Costa, Bibiana Rius, Cristina López-Vicario, José Alcaraz-Quiles, Esther Titos, Joan Clària
The prototypic proinflammatory cytokine IL-1β plays a central role in innate immunity and inflammatory disorders. The formation of mature IL-1β from an inactive pro-IL-1β precursor is produced via nonconventional multiprotein complexes called the inflammasomes, of which the most common is the nucleotide-binding domain leucine-rich repeat-containing protein 3 (NLRP3) inflammasome composed by NLRP3, (ASC) apoptosis-associated speck-like protein containing a caspase activation and recruitment domain (CARD), and caspase-1...
March 30, 2018: Journal of Leukocyte Biology
https://www.readbyqxmd.com/read/29599617/resolvin-e1-inhibits-osteoclastogenesis-and-bone-resorption-by-suppressing-il-17-induced-rankl-expression-in-osteoblasts-and-rankl-induced-osteoclast-differentiation
#18
Yoshihiro Funaki, Yasuyuki Hasegawa, Ryota Okazaki, Akira Yamasaki, Yuriko Sueda, Akihiro Yamamoto, Masaaki Yanai, Takehito Fukushima, Tomoya Harada, Haruhiko Makino, Eiji Shimizu
Background: Resolvin E1 (RvE1) derived from the ω-3 polyunsaturated fatty acid eicosapentaenoic acid is known to be a potent pro-resolving lipid mediator that prevents chronic inflammation and osteoclastogenesis. We investigated the inhibitory effects of RvE1 on osteoclastogenesis and bone resorption to clarify its therapeutic potential for rheumatoid arthritis (RA). Methods: Receptor activator of nuclear factor-κB ligand (RANKL)-induced osteoclast differentiation was assessed with tartrate-resistant acid phosphatase staining...
March 2018: Yonago Acta Medica
https://www.readbyqxmd.com/read/29597117/native-and-myeloperoxidase-oxidized-low-density-lipoproteins-act-in-synergy-to-induce-release-of-resolvin-d1-from-endothelial-cells
#19
Damien Dufour, Alia Khalil, Vincent Nuyens, Alexandre Rousseau, Cédric Delporte, Caroline Noyon, Melissa Cortese, Florence Reyé, Valérie Pireaux, Jean Nève, Luc Vanhamme, Bernard Robaye, Christophe Lelubre, Jean-Marc Desmet, Martine Raes, Karim Zouaoui Boudjeltia, Pierre Van Antwerpen
BACKGROUND AND AIMS: Oxidation of native low-density lipoproteins (LDLs-nat) plays an important role in the development of atherosclerosis. A major player in LDL-nat oxidation is myeloperoxidase (MPO), a heme enzyme present in azurophil granules of neutrophils and monocytes. MPO produces oxidized LDLs called Mox-LDLs, which cause a pro-inflammatory response in human microvascular endothelial cells (HMEC), monocyte/macrophage activation and formation of foam cells. Resolvin D1 (RvD1) is a compound derived from the metabolism of the polyunsaturated fatty acid DHA, which promotes resolution of inflammation at the ng/ml level...
March 8, 2018: Atherosclerosis
https://www.readbyqxmd.com/read/29594107/effects-of-enteral-immunonutrition-in-esophageal-cancer
#20
REVIEW
Kenji Mimatsu, Nobutada Fukino, Yasuo Ogasawara, Yoko Saino, Takatsugu Oida
Background: Immunonutrition (IN) significantly reduces the incidence of postoperative infectious complications and the length of hospitalization in patients undergoing major elective surgery for gastrointestinal malignances. However, the clinical benefit of IN in patients who have undergone esophagectomy for esophageal cancer is unclear. Moreover, the effect of enteral IN in patients during preoperative adjuvant chemoradiotherapy and in patients treated with concurrent chemoradiotherapy for advanced esophageal cancer is unknown...
February 2018: Gastrointestinal Tumors
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