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Usage Information

Plasmin drives burn-induced systemic inflammatory response syndrome
Breanne H. Y. Gibson, … , Timothy S. Blackwell, Jonathan G. Schoenecker
Breanne H. Y. Gibson, … , Timothy S. Blackwell, Jonathan G. Schoenecker
Published December 8, 2021
Citation Information: JCI Insight. 2021;6(23):e154439. https://doi.org/10.1172/jci.insight.154439.
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Research Article Inflammation

Plasmin drives burn-induced systemic inflammatory response syndrome

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Abstract

Severe injuries, such as burns, provoke a systemic inflammatory response syndrome (SIRS) that imposes pathology on all organs. Simultaneously, severe injury also elicits activation of the fibrinolytic protease plasmin. While the principal adverse outcome of plasmin activation in severe injury is compromised hemostasis, plasmin also possesses proinflammatory properties. We hypothesized that, following a severe injury, early activation of plasmin drives SIRS. Plasmin activation was measured and related to injury severity, SIRS, coagulopathy, and outcomes prospectively in burn patients who are not at risk of hemorrhage. Patients exhibited early, significant activation of plasmin that correlated with burn severity, cytokines, coagulopathy, and death. Burn with a concomitant, remote muscle injury was employed in mice to determine the role of plasmin in the cytokine storm and inflammatory cascades in injured tissue distant from the burn injury. Genetic and pharmacologic inhibition of plasmin reduced the burn-induced cytokine storm and inflammatory signaling in injured tissue. These findings demonstrate (a) that severe injury–induced plasmin activation is a key pathologic component of the SIRS-driven cytokine storm and SIRS-activated inflammatory cascades in tissues distant from the inciting injury and (b) that targeted inhibition of plasmin activation may be effective for limiting both hemorrhage and tissue-damaging inflammation following injury.

Authors

Breanne H. Y. Gibson, Colby C. Wollenman, Stephanie N. Moore-Lotridge, Patrick R. Keller, J. Blair Summitt, Alexey R. Revenko, Matthew J. Flick, Timothy S. Blackwell, Jonathan G. Schoenecker

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Usage data is cumulative from May 2022 through May 2023.

Usage JCI PMC
Text version 1,475 303
PDF 291 114
Figure 274 5
Table 45 0
Supplemental data 67 4
Citation downloads 37 0
Totals 2,189 426
Total Views 2,615

Usage information is collected from two different sources: this site (JCI) and Pubmed Central (PMC). JCI information (compiled daily) shows human readership based on methods we employ to screen out robotic usage. PMC information (aggregated monthly) is also similarly screened of robotic usage.

Various methods are used to distinguish robotic usage. For example, Google automatically scans articles to add to its search index and identifies itself as robotic; other services might not clearly identify themselves as robotic, or they are new or unknown as robotic. Because this activity can be misinterpreted as human readership, data may be re-processed periodically to reflect an improved understanding of robotic activity. Because of these factors, readers should consider usage information illustrative but subject to change.

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