Resolvin D1 and Aspirin-Triggered Resolvin D1 Regulate Histamine-stimulated Conjunctival Goblet Cell Secretion
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Jiao, Jianwei
Carozza, Richard B.
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https://doi.org/10.1038/mi.2013.7Metadata
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Li, Dayu, Robin R. Hodges, Jianwei Jiao, Richard B. Carozza, Marie A. Shatos, Nan Chiang, Charles N. Serhan, and Darlene A. Dartt. 2013. “Resolvin D1 and Aspirin-Triggered Resolvin D1 Regulate Histamine-stimulated Conjunctival Goblet Cell Secretion.” Mucosal immunology 6 (6): 1119-1130. doi:10.1038/mi.2013.7. http://dx.doi.org/10.1038/mi.2013.7.Abstract
Resolution of inflammation is an active process mediated by pro-resolution lipid mediators. Since resolvin (Rv) D1 is produced in the cornea, pro-resolution mediators could be effective in regulating inflammatory responses to histamine in allergic conjunctivitis. Two key mediators of resolution are the D-series resolvins RvD1 or aspirin-triggered RvD1 (AT-RvD1). We used cultured conjunctival goblet cells to determine whether histamine actions can be terminated during allergic responses. We found cross-talk between two types of G protein-coupled receptors, as RvD1 interacts with its receptor GPR32 to block histamine-stimulated H1 receptor increases in intracellular [Ca2+] ([Ca2+]i) preventing H1 receptor-mediated responses. In human and rat conjunctival goblet cells RvD1 and AT-RvD1 each block histamine-stimulated secretion by preventing its increase in [Ca2+]i and activation of extracellular regulated protein kinase (ERK)1/2. We suggest that D-series resolvins regulate histamine responses in the eye and offer new treatment approaches for allergic conjunctivitis or other histamine-dependent pathologies.Other Sources
http://www.ncbi.nlm.nih.gov/pmc/articles/PMC3742576/pdf/Terms of Use
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