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| Content Provider | World Health Organization (WHO)-Global Index Medicus |
|---|---|
| Author | Yang, Rong Porter, Timothy F. Petasis, Nicos A. Agrawal, Nitin Irimia, Daniel Toner, Mehmet Kasuga, Kie Serhan, Charles N. |
| Description | Country affiliation: United States Author Affiliation: Kasuga K ( Department of Anesthesiology, Center for Experimental Therapeutics and Reperfusion Injury, Brigham and Women's Hospital, Boston, MA 02115, USA.) |
| Abstract | Resolution of inflammation is essential. Although supplementation of omega-3 fatty acids is widely used, their availability at sites of inflammation is not known. To this end, a multidisciplinary approach was taken to determine the relationship of circulating omega-3 to inflammatory exudates and the generation of resolution signals. In this study, we monitored resolvin precursors in evolving exudates, which initially paralleled increases in edema and infiltrating neutrophils. We also prepared novel microfluidic chambers to capture neutrophils from a drop of blood within minutes that permitted single-cell monitoring. In these, docosahexaenoic acid-derived resolvin D1 rapidly stopped neutrophil migration, whereas precursor docosahexaenoic acid did not. In second organ injury via ischemia-reperfusion, resolvin metabolically stable analogues were potent organ protectors reducing neutrophils. Together, these results indicate that circulating omega-3 fatty acids rapidly appear in inflammatory sites that require conversion to resolvins that control excessive neutrophil infiltration, protect organs, and foster resolution. |
| ISSN | 00221767 |
| e-ISSN | 15506606 |
| Journal | The Journal of Immunology |
| Issue Number | 12 |
| Volume Number | 181 |
| Language | English |
| Publisher | The American Association of Immunologists |
| Publisher Date | 2008-12-15 |
| Publisher Place | United States |
| Access Restriction | Open |
| Subject Keyword | Ascitic Fluid Metabolism Pathology Docosahexaenoic Acids Eicosapentaenoic Acid Analogs & Derivatives Exudates And Transudates Inflammation Mediators Animals Anti-inflammatory Agents, Non-steroidal Administration & Dosage Blood Immunology Cell Migration Inhibition Diffusion Chambers, Culture Chemistry Fatty Acids, Omega-3 Mice Mice, Inbred Strains Neutrophils Peritonitis Time Factors Research Support, N.i.h., Extramural Research Support, Non-u.s. Gov't Discipline Immunology |
| Content Type | Text |
| Resource Type | Article |
| Subject | Immunology and Allergy Immunology |
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