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- Title
Tristetraprolin Mediates Anti-Inflammatory Effect of Carbon Monoxide against DSS-Induced Colitis.
- Authors
Joe, Yeonsoo; Uddin, Md. Jamal; Zheng, Min; Kim, Hyo Jeong; Chen, Yingqing; Yoon, Nal Ae; Cho, Gyeong Jae; Park, Jeong Woo; Chung, Hun Taeg
- Abstract
Endogenous carbon monoxide (CO) exerts anti-inflammatory effects. Tristetraprolin (TTP) is known to destabilize pro-inflammatory transcripts. Here we found that exogenous CO enhanced the decay of TNF-α mRNA and suppressed TNF-α expression in LPS-activated macrophages from wild-type (WT) mice. However, TTP deficiency abrogated the effects of exogenous CO. While CO treatment prior to DSS administration in WT mice significantly reduced inflammatory cytokine levels and colitis, it failed to reduce the pro-inflammatory cytokine levels and colitis in TTP knockout (KO) mice. Our results demonstrate that TTP is a key factor mediating the anti-inflammatory action of CO in DSS-induced colitis.
- Subjects
TRISTETRAPROLIN; ANTI-inflammatory agents; THERAPEUTIC use of carbon monoxide; DEXTRAN sulfate; COLITIS treatment; TUMOR necrosis factors; DRUG efficacy
- Publication
PLoS ONE, 2014, Vol 9, Issue 2, p1
- ISSN
1932-6203
- Publication type
Article
- DOI
10.1371/journal.pone.0088776