The DOI matches its Crossref record; 30 of the 30 references it cites were found in a registry or an index.
Ethyl pyruvate prevents lethality in mice with established lethal sepsis and systemic inflammation
Open accessAbstract
Sepsis, a potentially fatal clinical syndrome, is mediated by an early (e.g., tumor necrosis factor and IL-1) and late [e.g., high mobility group B-1 (HMGB1)] proinflammatory cytokine response to infection. Specifically targeting early mediators has not been effective clinically, in part because peak mediator activity often has passed before therapy can be initiated. Late-acting downstream effectors, such as HMGB1, that mediate sepsis lethality may be more relevant therapeutic targets. Ethyl pyruvate (EP) recently was identified as an experimental therapeutic that significantly protects against lethal hemorrhagic shock. Here, we report that EP attenuates lethal systemic inflammation caused by either endotoxemia or sepsis even if treatment begins after the early tumor necrosis factor response. Treatment with EP initiated 24 h after cecal puncture significantly increased survival (vehicle survival = 30% vs. EP survival = 88%, P < 0.005). EP treatment significantly reduced circulating levels of HMGB1 in animals with established endotoxemia or sepsis. In macrophage cultures, EP specifically inhibited activation of p38 mitogen-activated protein kinase and NF-κB, two signaling pathways that are critical for cytokine release. This report describes a new strategy to pharmacologically inhibit HMGB1 release with a small molecule that is effective at clinically achievable concentrations. EP now warrants further evaluation as an experimental “rescue” therapeutic for sepsis and other potentially fatal systemic inflammatory disorders.
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Self-citationA protein kinase involved in the regulation of inflammatory cytokine biosynthesis
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Cited by
Tracey, K. J. (2002) · Nature · doi:10.1038/nature01321 · Cited by 3,728
Self-citationHMGB1 is a therapeutic target for sterile inflammation and infection
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Cholinergic agonists inhibit HMGB1 release and improve survival in experimental sepsis
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Self-citationReversing established sepsis with antagonists of endogenous high-mobility group box 1
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Metadata
- Authors
- Ulloa, L., Ochani, M., Yang, H., Tanovic, M., Halperin, D., Yang, R., Czura, C. J., Fink, M. P., & Tracey, K. J.
- Venue
- Proceedings of the National Academy of Sciences
- Published
- 2002-09-03
- Volume
- 99
- Issue
- 19
- Pages
- 12351-12356
- ISSN
- 0027-8424 (ISSN-L)
- 1091-6490
- OpenAlex
- W1983379130
- Cited by
- 585
- References
- 30
- FWCI
- 20.44
- Type
- journal article
- Language
- en
- Open access
- green
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- Ulloa, L., Ochani, M., Yang, H., Tanovic, M., Halperin, D., Yang, R., Czura, C. J., Fink, M. P., & Tracey, K. J. (2002). Ethyl pyruvate prevents lethality in mice with established lethal sepsis and systemic inflammation. Proceedings of the National Academy of Sciences. https://doi.org/10.1073/pnas.192222999
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