A Janus tale of two active high mobility group box 1 (HMGB1) redox states

Daolin Tang, Timothy R. Billiar, Michael T. Lotze

Research output: Contribution to journalArticle

54 Citations (Scopus)

Abstract

High mobility group box 1 (HMGB1), the prototypic damage-associated molecular pattern molecule, is released at sites of inflammation and/or tissue damage. There, it promotes cytokine production and chemokine production/cell migration. New work shows that the redox status of HMGB1 distinguishes its cytokine-inducing and chemokine activity. Reduced all-thiol-HMGB1 has sole chemokine activity, whereas disulfide-HMGB1 has only cytokine activity, and oxidized, denatured HMGB1 has neither. Autophagy (programmed cell survival) and apoptosis (programmed cell death) have been implicated in controlling both innate and adaptive immune functions. Reduced HMGB1 protein promotes autophagy, whereas oxidized HMGB1 promotes apoptosis. Thus, the differential activity of HMGB1 in immunity, inflammation and cell death depends on the cellular redox status within tissues.

Original languageEnglish (US)
Pages (from-to)1360-1362
Number of pages3
JournalMolecular Medicine
Volume18
Issue number10
DOIs
StatePublished - Oct 1 2012
Externally publishedYes

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Chemokines
Oxidation-Reduction
Autophagy
Cytokines
Cell Death
Apoptosis
HMGB1 Protein
Inflammation
Sulfhydryl Compounds
Disulfides
Cell Movement
Immunity
Cell Survival

ASJC Scopus subject areas

  • Molecular Medicine
  • Molecular Biology
  • Genetics
  • Genetics(clinical)

Cite this

A Janus tale of two active high mobility group box 1 (HMGB1) redox states. / Tang, Daolin; Billiar, Timothy R.; Lotze, Michael T.

In: Molecular Medicine, Vol. 18, No. 10, 01.10.2012, p. 1360-1362.

Research output: Contribution to journalArticle

Tang, Daolin ; Billiar, Timothy R. ; Lotze, Michael T. / A Janus tale of two active high mobility group box 1 (HMGB1) redox states. In: Molecular Medicine. 2012 ; Vol. 18, No. 10. pp. 1360-1362.
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