The nuclear factor HMGB1 mediates hepatic injury after murine liver ischemia-reperfusion

Allan Tsung, Rohit Sahai, Hiroyuki Tanaka, Atsunori Nakao, Mitchell P. Fink, Michael T. Lotze, Huan Yang, Jianhua Li, Kevin J. Tracey, David A. Geller, Timothy R. Billiar

Research output: Contribution to journalArticle

825 Citations (Scopus)

Abstract

High-mobility group box 1 (HMGB1) is a nuclear factor that is released extracellularly as a late mediator of lethality in sepsis as well as after necrotic, but not apoptotic, death. Here we demonstrate that in contrast to the delayed role of HMGB1 in the systemic inflammation of sepsis, HMGB1 acts as an early mediator of inflammation and organ damage in hepatic ischemia reperfusion (I/R) injury. HMGB1 levels were increased during liver I/R as early as 1 h after reperfusion and then increased in a time-dependent manner up to 24 h. Inhibition of HMGB1 activity with neutralizing antibody significantly decreased liver damage after I/R. whereas administration of recombinant HMGB1 worsened I/R injury. Treatment with neutralizing antibody was associated with less phosphorylation of c-Jun NH2-terminal kinase and higher nuclear factor-κB DNA binding in the liver after I/R. Toll-like receptor 4 (TLR4)-defective (C3H/Hej) mice exhibited less damage in the hepatic I/R model than did wild-type (C3H/HeOuj) mice. Anti-HMGB1 antibody failed to provide protection in C3H/Hej mice, but successfully reduced damage in C3H/Ouj mice. Together, these results demonstrate that HMGB1 is an early mediator of injury and inflammation in liver I/R and implicates TLR4 as one of the receptors that is involved in the process.

Original languageEnglish
Pages (from-to)1135-1143
Number of pages9
JournalJournal of Experimental Medicine
Volume201
Issue number7
DOIs
Publication statusPublished - Apr 4 2005
Externally publishedYes

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Reperfusion
Ischemia
Inbred C3H Mouse
Liver
Wounds and Injuries
Inflammation Mediators
Toll-Like Receptor 4
Neutralizing Antibodies
Reperfusion Injury
Sepsis
JNK Mitogen-Activated Protein Kinases
Phosphorylation
Inflammation
Antibodies
DNA

ASJC Scopus subject areas

  • Immunology

Cite this

The nuclear factor HMGB1 mediates hepatic injury after murine liver ischemia-reperfusion. / Tsung, Allan; Sahai, Rohit; Tanaka, Hiroyuki; Nakao, Atsunori; Fink, Mitchell P.; Lotze, Michael T.; Yang, Huan; Li, Jianhua; Tracey, Kevin J.; Geller, David A.; Billiar, Timothy R.

In: Journal of Experimental Medicine, Vol. 201, No. 7, 04.04.2005, p. 1135-1143.

Research output: Contribution to journalArticle

Tsung, A, Sahai, R, Tanaka, H, Nakao, A, Fink, MP, Lotze, MT, Yang, H, Li, J, Tracey, KJ, Geller, DA & Billiar, TR 2005, 'The nuclear factor HMGB1 mediates hepatic injury after murine liver ischemia-reperfusion', Journal of Experimental Medicine, vol. 201, no. 7, pp. 1135-1143. https://doi.org/10.1084/jem.20042614
Tsung, Allan ; Sahai, Rohit ; Tanaka, Hiroyuki ; Nakao, Atsunori ; Fink, Mitchell P. ; Lotze, Michael T. ; Yang, Huan ; Li, Jianhua ; Tracey, Kevin J. ; Geller, David A. ; Billiar, Timothy R. / The nuclear factor HMGB1 mediates hepatic injury after murine liver ischemia-reperfusion. In: Journal of Experimental Medicine. 2005 ; Vol. 201, No. 7. pp. 1135-1143.
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