Cited by 762Advanced Glycation End Products researchImmune Response and InflammationBiomarkers in Disease Mechanisms

HMGB1: Endogenous Danger Signaling

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Klune, John R., Dhupar, Rajeev, Cardinal, Jon, Billiar, Timothy R., Tsung, Allan·2008·Molecular Medicine

Abstract

While foreign pathogens and their products have long been known to activate the innate immune system, the recent recognition of a group of endogenous molecules that serve a similar function has provided a framework for understanding the overlap between the inflammatory responses activated by pathogens and injury. These endogenous molecules, termed alarmins, are normal cell constituents that can be released into the extracellular milieu during states of cellular stress or damage and subsequently activate the immune system. One nuclear protein, High mobility group box-1 (HMGB1), has received particular attention as fulfilling the functions of an alarmin by being involved in both infectious and non-infectious inflammatory conditions. Once released, HMGB1 signals through various receptors to activate immune cells involved in the immune process. Although initial studies demonstrated HMGB1 as a late mediator of sepsis, recent findings indicate HMGB1 to have an important role in models of non-infectious inflammation, such as autoimmunity, cancer, trauma, and ischemia reperfusion injury. Furthermore, in contrast to its pro-inflammatory functions, there is evidence that HMGB1 also has restorative effects leading to tissue repair and regeneration. The complex functions of HMGB1 as an archetypical alarmin are outlined here to review our current understanding of a molecule that holds the potential for treatment in many important human conditions.

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Crossref · 10.2119/2008-00034.klune

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  • HMGB1 and M-CSF have been suggested to be produced by osteocytes that stimulate osteoclast recruitment during bone remodeling.

    “High mobility group box protein 1 (HMGB1) [198–200] and M-CSF [201] have also been suggested to be produced by osteocytes that stimulate osteoclast recruitment during bone remodeling [72, 73].”

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  1. [2]Medawar PB Woodruff MF The induction of tolerance by skin homografts on newborn rats Immunology 1958 1 27 35 13513139 PMC1423889

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Authors
Klune, J. R., Dhupar, R., Cardinal, J., Billiar, T. R., & Tsung, A.
Affiliations
University of Pittsburgh (US)
Corresponding author
Tsung, Allan
Venue
Molecular Medicine
Published
2008-04-11
Volume
14
Issue
7-8
Pages
476-484
ISSN
  • 1076-1551 (ISSN-L)
  • 1528-3658
OpenAlex
W168035116
Cited by
762
References
129
Citations by year
2026: 14 · 2025: 15 · 2024: 29 · 2023: 32 · 2022: 35 · 2021: 47 · 2020: 53 · 2019: 53 · 2018: 48 · 2017: 44 · 2016: 45 · 2015: 55 · 2014: 54 · 2013: 48 · 2012: 45
FWCI
6.58
Type
journal article
Language
en
Open access
Licence
cc-by
Locations
  • Molecular Medicine (publishedVersion, cc-by)
  • Europe PMC (PubMed Central) (publishedVersion)
  • PubMed Central (publishedVersion)
  • PubMed (publishedVersion)
Topics
  • Life Sciences › Biochemistry, Genetics and Molecular Biology › Clinical Biochemistry › Advanced Glycation End Products research
  • Life Sciences › Immunology and Microbiology › Immunology › Immune Response and Inflammation
  • Life Sciences › Immunology and Microbiology › Immunology › Biomarkers in Disease Mechanisms
Keywords
HMGB1, alarmins, danger signaling, innate immunity, inflammation, sepsis, autoimmunity, cancer, trauma (physical injury), ischemia-reperfusion injury, tissue repair, regeneration
MeSH terms
Receptor for Advanced Glycation End Products, Animals, Cell Nucleus, Disease, Humans, Immunity, Innate, Models, Biological, Receptors, Immunologic, Regeneration, Signal Transduction, Inflammation Mediators, HMGB1 Protein, Toll-Like Receptors

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