The multifunctional protein HMGB1: 50 years of discovery

Daolin Tang, Rui Kang, Herbert J. Zeh, Michael T. Lotze

Research output: Contribution to journalReview articlepeer-review

100 Scopus citations

Abstract

Fifty years since the initial discovery of HMGB1 in 1973 as a structural protein of chromatin, HMGB1 is now known to regulate diverse biological processes depending on its subcellular or extracellular localization. These functions include promoting DNA damage repair in the nucleus, sensing nucleic acids and inducing innate immune responses and autophagy in the cytosol and binding protein partners in the extracellular environment and stimulating immunoreceptors. In addition, HMGB1 is a broad sensor of cellular stress that balances cell death and survival responses essential for cellular homeostasis and tissue maintenance. HMGB1 is also an important mediator secreted by immune cells that is involved in a range of pathological conditions, including infectious diseases, ischaemia–reperfusion injury, autoimmunity, cardiovascular and neurodegenerative diseases, metabolic disorders and cancer. In this Review, we discuss the signalling mechanisms, cellular functions and clinical relevance of HMGB1 and describe strategies to modify its release and biological activities in the setting of various diseases.

Original languageEnglish (US)
Pages (from-to)824-841
Number of pages18
JournalNature Reviews Immunology
Volume23
Issue number12
DOIs
StatePublished - Dec 2023

ASJC Scopus subject areas

  • Immunology and Allergy
  • Immunology

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