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https://www.readbyqxmd.com/read/28532687/the-role-of-systemic-and-topical-fatty-acids-for-dry-eye-treatment
#1
REVIEW
Stefano Barabino, Jutta Horwath-Winter, Elisabeth M Messmer, Maurizio Rolando, Pasquale Aragona, Shigeru Kinoshita
Dry eye is a prevalent condition and one of the main reasons for patients to seek ophthalmic medical care. A low systemic level of omega fatty acids is a risk factor for dry eye disease (DED). There are two groups of essential fatty acids (EFAs): the omega-6 (n-6) family and the omega-3 (n-3) family. Humans evolved on a diet in which the n-6:n-3 ratio was approximately 1:1, however the current Western diet tends to be deficient in n-3 EFAs and this ratio is typically much higher (approaching 17:1). The metabolism of EFAs generates four new families of local acting mediators: lipoxins, resolvins, protectins, and maresins...
May 19, 2017: Progress in Retinal and Eye Research
https://www.readbyqxmd.com/read/28530530/is-fish-oil-a-potential-treatment-for-diabetic-peripheral-neuropathy
#2
Mark Anthony Yorek
BACKGROUND: Peripheral neuropathy affects about 50% of the diabetic population. The manifestations range from pain, numbness, paresthesia and ulceration in the extremities and it is the major cause of non-traumatic amputations. Currently there is no effective treatment for peripheral neuropathy. With the prevalence of obesity and type 2 diabetes and associated complications reaching epidemic levels there is a critical need for finding a treatment to preserve nerve function. INTRODUCTION: This article will review the potential for fish oil as a treatment for diabetic peripheral neuropathy...
May 22, 2017: Current Diabetes Reviews
https://www.readbyqxmd.com/read/28527709/boosting-inflammation-resolution-in-atherosclerosis-the-next-frontier-for-therapy
#3
REVIEW
Gabrielle Fredman, Ira Tabas
Defective inflammation resolution is the underlying cause of prevalent chronic inflammatory diseases, such as arthritis, asthma, cancer, and neurodegenerative and cardiovascular diseases. Inflammation resolution is governed by several endogenous factors, including fatty acid-derived specialized proresolving mediators and proteins, such as annexin A1. Specifically, specialized proresolving mediators comprise a family of mediators that include arachidonic acid-derived lipoxins, omega-3 fatty acid eicosapentaenoic acid-derived resolvins, docosahexaenoic acid-derived resolvins, protectins, and maresins...
June 2017: American Journal of Pathology
https://www.readbyqxmd.com/read/28507800/formyl-peptide-receptor-1-suppresses-gastric-cancer-angiogenesis-and-growth-by-exploiting-inflammation-resolution-pathways
#4
Nella Prevete, Federica Liotti, Anna Illiano, Angela Amoresano, Piero Pucci, Amato de Paulis, Rosa Marina Melillo
Chronic inflammation can result from inadequate engagement of resolution mechanisms, mainly accomplished by specialized pro-resolving mediators (SPMs) arising from the metabolic activity of lipoxygenases (ALOX5/15) on ω-6 or ω-3 essential polyunsaturated fatty acids (PUFA). We previously demonstrated that formyl peptide receptor 1 (FPR1) suppresses gastric cancer (GC) by inhibiting its inflammatory/angiogenic potential. In this study, we asked whether FPR1 exploits inflammation resolution pathways to suppress GC angiogenesis and growth...
2017: Oncoimmunology
https://www.readbyqxmd.com/read/28497397/xuebijing-injection-and-resolvin-d1-synergize-to-regulate-leukocyte-adhesion-and-improve-survival-rate-in-mice-with-sepsis-induced-lung-injury
#5
Shu-Kun Zhang, Yu-Zhen Zhuo, Cai-Xia Li, Lei Yang, Hong-Wei Gao, Xi-Mo Wang
OBJECTIVES: To investigate the effect of combined application of Xuebijing Injection ( , XBJ) and resolvin D1 (RvD1) on survival rate and the underlying mechanisms in mice with sepsisinduced lung injury. METHODS: The cecal ligation and puncture (CLP) method was used to develop a mouse sepsis model. Specifific pathogen free male C57BL/6 mice were randomly divided into 5 groups (n=20 each): sham, CLP, CLP+XBJ, CLP+RvD1 and CLP+XBJ+RvD1. After surgery, mice in the CLP+XBJ, CLP+RvD1 and CLP+XBJ+RvD1 groups were given XBJ (25 μL/g body weight), RvD1 (10 ng/g body weight), and their combination (the same dose of XBJ and RvD1), respectively...
May 11, 2017: Chinese Journal of Integrative Medicine
https://www.readbyqxmd.com/read/28483532/pro-resolving-mediators-in-the-regulation-of-periodontal-disease
#6
REVIEW
Thomas E Van Dyke
Periodontitis is an inflammatory disease of the supporting structures of the dentition that is initiated by bacterial that form a biofilm on the surface of the teeth. The pathogenesis of the disease is a result of complex interactions between the biofilm and the host response that results in dysbiosis of the microbiome and dysregulation of the inflammatory response. Current data suggest that the excess inflammation associated with periodontitis is due to a failure of resolution of inflammation pathways. In this review, the relationship between inflammation and microbial dysbiosis is examined in the context of pro-inflammation and pro-resolution mediators and their ability to modify the course of disease...
May 5, 2017: Molecular Aspects of Medicine
https://www.readbyqxmd.com/read/28465656/resolvin-d1-inhibits-inflammatory-response-in-stz-induced-diabetic-retinopathy-rats-possible-involvement-of-nlrp3-inflammasome-and-nf-%C3%AE%C2%BAb-signaling-pathway
#7
Yizhou Yin, Fei Chen, Wenyan Wang, Han Wang, Xuedong Zhang
PURPOSE: To investigate the effect of resolvin D1 (RvD1) on the Nod-like receptor family pyrin domain-containing (NLRP3) inflammasome and the nuclear factor-kappa beta (NF-κB) pathway in streptozotocin (STZ)-induced diabetic retinopathy in rats. METHODS: Ninety-six male rats were divided into four groups: control, STZ, RvD1, and vehicle. The rats with diabetic retinopathy induced by STZ in the RvD1 and vehicle groups were given an intravitreal injection of RvD1 (1,000 ng/kg) or the same dosage of vehicle, respectively...
2017: Molecular Vision
https://www.readbyqxmd.com/read/28465323/13-series-resolvins-mediate-the-leukocyte-platelet-actions-of-atorvastatin-and-pravastatin-in-inflammatory-arthritis
#8
Mary E Walker, Patricia R Souza, Romain A Colas, Jesmond Dalli
Rheumatoid arthritis is an inflammatory condition characterized by overzealous inflammation that leads to joint damage and is associated with an increased incidence of cardiovascular disease. Statins are frontline therapeutics for patients with cardiovascular disease and exert beneficial actions in rheumatoid arthritis. The mechanism that mediates the beneficial actions of statins in rheumatoid arthritis remains of interest. In the present study, we found that the administration of 2 clinically relevant statins-atorvastatin (0...
May 2, 2017: FASEB Journal: Official Publication of the Federation of American Societies for Experimental Biology
https://www.readbyqxmd.com/read/28450270/pro-resolution-therapeutics-for-cardiovascular-diseases
#9
REVIEW
Justin Heinz, Michael Marinello, Gabrielle Fredman
Studies over the last couple of decades suggest that failed resolution of a chronic inflammatory response is an important driving force in the progression of atherosclerosis. Resolution of inflammation is mediated in part by lipid-derived specialized pro-resolving mediators (SPMs) such as lipoxins, resolvins, protectins and maresins. The major functions of SPMs are to quell inflammation and repair tissue damage in a manner that does not compromise host defense. An imbalance between SPMs and pro-inflammatory mediators like leukotriene B4 (LTB4) are associated with several prevalent human diseases, including atherosclerosis...
April 24, 2017: Prostaglandins & Other Lipid Mediators
https://www.readbyqxmd.com/read/28442547/biosynthesis-of-proresolving-lipid-mediators-by-vascular-cells-and-tissues
#10
Anuran Chatterjee, Sevan Komshian, Brian E Sansbury, Bian Wu, Giorgio Mottola, Mian Chen, Matthew Spite, Michael S Conte
Recent evidence suggests that specialized proresolving lipid mediators (SPMs) generated from docosahexaenoic acid (DHA) can modulate the vascular injury response. However, cellular sources for these autacoids within the vessel wall remain unclear. Here, we investigated whether isolated vascular cells and tissues can produce SPMs and assessed expression and subcellular localization of the key SPM biosynthetic enzyme 5-lipoxygenase (LOX) in vascular cells. Intact human arteries incubated with DHA ex vivo produced 17-hydroxy DHA (17-HDHA) and D-series resolvins, as assessed by liquid chromatography-tandem mass spectrometry...
April 25, 2017: FASEB Journal: Official Publication of the Federation of American Societies for Experimental Biology
https://www.readbyqxmd.com/read/28422188/resolvin-d1-enhances-the-resolution-of-lung-inflammation-caused-by-long-term-pseudomonas-aeruginosa-infection
#11
M Codagnone, E Cianci, A Lamolinara, V C Mari, A Nespoli, E Isopi, D Mattoscio, M Arita, A Bragonzi, M Iezzi, M Romano, A Recchiuti
Pseudomonas aeruginosa lung infection is a main cause of disability and mortality worldwide. Acute inflammation and its timely resolution are crucial for ensuring bacterial clearance and limiting tissue damage. Here, we investigated protective actions of resolvin (Rv) D1 in lung infection induced by the RP73 clinical strain of P. aeruginosa. RvD1 significantly diminished bacterial growth and neutrophil infiltration during acute pneumonia caused by RP73. Inoculum of RP73, immobilized in agar beads, resulted in persistent lung infection up to 21 days, leading to a non resolving inflammation reminiscent of human pathology...
April 19, 2017: Mucosal Immunology
https://www.readbyqxmd.com/read/28420476/-mechanism-of-resolvins-in-reducing-the-inflammation-reaction-in-inflammatory-diseases
#12
Shunan Cui, Shanglong Yao, You Shang
Inflammation is an important mechanism for the host to resist external infection and injury. Under normal conditions, adaptive inflammatory response not only is conducive to the repair of damaged cells and tissues, but plays an important role to promote the internal environment to restored homeostasis. However, when the immune function is damaged, the unresolved and uncontrolled inflammation will cause non-specific tissue damage, which is linked to a variety of inflammatory diseases. In the acute inflammation, resolvins, a group of endogenous small molecular lipid mediators which are biosynthesized by polyunsaturated fatty acids, possess anti-inflammatory and pro-resolving actions, which are benefit for the repair of damaged tissue...
April 2017: Zhonghua Wei Zhong Bing Ji Jiu Yi Xue
https://www.readbyqxmd.com/read/28419244/resolvin-d1-and-d2-reverse-lipopolysaccharide-induced-depression-like-behaviors-through-the-mtorc1-signaling-pathway
#13
Satoshi Deyama, Yuka Ishikawa, Kotomi Yoshikawa, Kento Shimoda, Soichiro Ide, Masamichi Satoh, Masabumi Minami
Background: Resolvin D1 (RvD1) and D2 (RvD2) are bioactive lipid mediators that are generated from docosahexaenoic acid (DHA). Although recent preclinical studies suggest that these compounds have antidepressant effects, their mechanisms of action remain unclear. Methods: We investigated mechanisms underlying the antidepressant effects of RvD1 and RvD2 in lipopolysaccharide (LPS; 0.8 mg/kg, i.p.)-induced depression model mice using a tail suspension test. Results: Intracerebroventricular (i...
April 13, 2017: International Journal of Neuropsychopharmacology
https://www.readbyqxmd.com/read/28412216/hydroalcoholic-crude-extract-of-casearia-sylvestris-sw-reduces-chronic-post-ischemic-pain-by-activation-of-pro-resolving-pathways
#14
Anna P Piovezan, Ana P Batisti, Maria L A C S Benevides, Bruna L Turnes, Daniel F Martins, Luiz Kanis, Elisa C W Duarte, Alberto J Cavalheiro, Paula C P Bueno, Michael P Seed, Lucy V Norling, Dianne Cooper, Sarah Headland, Patrícia R P S Souza, Mauro Perretti
ETHNOPHARMACOLOGICAL RELEVANCE: Casearia sylvestris Sw. is widely used in popular medicine to treat conditions associated with pain. AIM OF THE STUDY: The present study investigated the influence of hydroalcoholic crude extract of Casearia sylvestris (HCE-CS) and contribution of pro-resolving mediators on mechanical hyperalgesia in a mouse model of chronic post-ischemia pain (CPIP). METHODS AND RESULTS: Male Swiss mice were subjected to ischemia of the right hind paw (3h), then reperfusion was allowed...
April 12, 2017: Journal of Ethnopharmacology
https://www.readbyqxmd.com/read/28410617/treatment-with-high-dose-n-3-pufas-has-no-effect-on-platelet-function-coagulation-metabolic-status-or-inflammation-in-patients-with-atherosclerosis-and-type-2-diabetes
#15
Malgorzata Poreba, Magdalena Mostowik, Aleksander Siniarski, Renata Golebiowska-Wiatrak, Krzysztof Piotr Malinowski, Maciej Haberka, Ewa Konduracka, Jadwiga Nessler, Anetta Undas, Grzegorz Gajos
BACKGROUND: Despite numerous studies on cardioprotective effects of omega-3 polyunsaturated fatty acids (n-3 PUFAs), there is limited evidence for n-3 PUFA-mediated effects, especially at its higher dose, on cardiovascular risk in patients with type 2 diabetes (DM2) and established atherosclerosis. PURPOSE: To investigate the effect of daily treatment with a higher dose (2 g) of n-3 PUFAs on platelet function, coagulation parameters, fibrin clot properties, markers of systemic inflammation and metabolic status, in patients with atherosclerotic vascular disease and DM2 who receive optimal medical therapy...
April 14, 2017: Cardiovascular Diabetology
https://www.readbyqxmd.com/read/28408593/protectin-and-resolvin-gut-inflammation
#16
Caroline Ash
No abstract text is available yet for this article.
April 14, 2017: Science
https://www.readbyqxmd.com/read/28408222/recent-advances-in-the-chemistry-and-biology-of-anti-inflammatory-and-specialized-pro-resolving-mediators-biosynthesized-from-n-3-docosapentaenoic-acid
#17
REVIEW
Anders Vik, Jesmond Dalli, Trond Vidar Hansen
Several novel oxygenated polyunsaturated lipid mediators biosynthesized from n-3 docosapentaenoic acid were recently isolated from murine inflammatory exudates and human primary cells. These compounds belong to a distinct family of specialized pro-resolving mediators, and display potent in vivo anti-inflammatory and pro-resolution effects. The endogenously formed specialized pro-resolving mediators have attracted a great interest as lead compounds in drug discovery programs towards the development of new classes of drugs that dampen inflammation without interfering with the immune response...
March 31, 2017: Bioorganic & Medicinal Chemistry Letters
https://www.readbyqxmd.com/read/28404641/nlrp3-inflammasome-as-a-novel-target-for-docosahexaenoic-acid-metabolites-to-abrogate-glomerular-injury
#18
Guangbi Li, Zhida Chen, Owais M Bhat, Qinghua Zhang, Justine M Abais-Battad, Sabena M Conley, Joseph K Ritter, Pin-Lan Li
The NOD-like receptor containing pyrin domain 3 (NLRP3) inflammasome has been implicated in podocyte injury and glomerular sclerosis during hyperhomocysteinemia (hHcys). However, it remains unclear whether NLRP3 inflammasome can be a therapeutic target for treatment of hHcys-induced kidney injury. Given that docosahexaenoic acid (DHA) metabolites-resolvins have potent anti-inflammatory effects, the present study tested whether the prototype resolvin D1 (RvD1) and 17S-hydroxy DHA (17S-HDHA), an intermediate product abrogate hHcys-induced podocyte injury by targeting the NLRP3 inflammasome...
April 12, 2017: Journal of Lipid Research
https://www.readbyqxmd.com/read/28400162/mammalian-alox15-orthologs-exhibit-pronounced-dual-positional-specificity-with-docosahexaenoic-acid
#19
Laura Kutzner, Kateryna Goloshchapova, Dagmar Heydeck, Sabine Stehling, Hartmut Kuhn, Nils Helge Schebb
Mammalian lipoxygenases (LOX) have been implicated in cell differentiation and in the pathogenesis of inflammatory, hyperproliferative and neurological diseases. Although the reaction specificity of mammalian LOX with n-6 fatty acids (linoleic acid, arachidonic acid) has been explored in detail little information is currently available on the product patterns formed from n-3 polyenoic fatty acids, which are of particular nutritional importance and serve as substrate for the biosynthesis of pro-resolving inflammatory mediators such as resolvins and maresins...
April 8, 2017: Biochimica et Biophysica Acta
https://www.readbyqxmd.com/read/28393908/resolvin-d1-drives-establishment-of-leishmania-amazonensis-infection
#20
Hayna Malta-Santos, Bruno B Andrade, Dalila L Zanette, Jackson M Costa, Patrícia T Bozza, Christianne Bandeira-Melo, Aldina Barral, Jaqueline França-Costa, Valéria M Borges
Previous studies have indicated that the balance between different eicosanoids reflect the intensity of the inflammatory profile in patients with tegumentary leishmaniasis. More recently, pro-resolution lipid mediators have been shown to play critical roles in dampening pathological inflammatory processes to reestablish homeostasis in a diverse range of experimental settings. Among these lipid mediator, resolvins from D series have been described as potent anti-inflammatory and immunomodulatory mediators, and its activities include inhibition of leukocyte chemotaxis and blockage production of proinflammatory cytokines, while increasing the expression of regulatory mediators...
April 10, 2017: Scientific Reports
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