期刊
JOURNAL OF IMMUNOLOGY
卷 166, 期 1, 页码 582-587出版社
AMER ASSOC IMMUNOLOGISTS
DOI: 10.4049/jimmunol.166.1.582
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p38 mitogen-activated protein kinase (MAPK) has been suggested as a mediator of cytokine release and is currently being targeted for anti-inflammatory therapy. However, experimental data are contradictory and lack sufficient affirmation in vivo. We tested the effect of p38 MAPK inhibition in several cell types and in different murine models of infectious disease. We observed that most cell types react to p38 MAPK inhibition with diminished cytokine release, but that this treatment induced increased cytokine release in macrophages, Furthermore, we observed increased cytokine production in mouse models of pneumococcal pneumonia and tuberculosis accompanied by severely reduced bacterial clearance. This apparent inefficacy of p38 MAPK inhibition in reducing cytokine release in infectious disease, as well as its immune-compromising action, suggest that targeting p38 MAPK may not be a suitable anti-cytokine strategy in patients with such disease or at risk for infection.
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