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- W2171330205 abstract "Abstract Systemic inflammation that occurs with increasing age (inflammaging) is thought to contribute to the increased susceptibility of the elderly to several disease states. The elderly are at significant risk for developing pulmonary disorders and infectious diseases, but the contribution of inflammation in the pulmonary environment has received little attention. In this study, we demonstrate that the lungs of old mice have elevated levels of proinflammatory cytokines and a resident population of highly activated pulmonary macrophages that are refractory to further activation by IFN-γ. The impact of this inflammatory state on macrophage function was determined in vitro in response to infection with M.tb. Macrophages from the lungs of old mice secreted more proinflammatory cytokines in response to M.tb infection than similar cells from young mice and also demonstrated enhanced M.tb uptake and P-L fusion. Supplementation of mouse chow with the NSAID ibuprofen led to a reversal of lung and macrophage inflammatory signatures. These data indicate that the pulmonary environment becomes inflammatory with increasing age and that this inflammatory environment can be reversed with ibuprofen." @default.
- W2171330205 created "2016-06-24" @default.
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- W2171330205 date "2014-06-16" @default.
- W2171330205 modified "2023-10-10" @default.
- W2171330205 title "Characterization of lung inflammation and its impact on macrophage function in aging" @default.
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- W2171330205 doi "https://doi.org/10.1189/jlb.4a0214-093rr" @default.
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