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- Title
HMGB1-Mediated Activation of the Inflammatory-Reparative Response Following Myocardial Infarction.
- Authors
Foglio, Eleonora; Pellegrini, Laura; Russo, Matteo Antonio; Limana, Federica
- Abstract
Different cell types belonging to the innate and adaptive immune system play mutually non-exclusive roles during the different phases of the inflammatory-reparative response that occurs following myocardial infarction. A timely and finely regulation of their action is fundamental for the process to properly proceed. The high-mobility group box 1 (HMGB1), a highly conserved nuclear protein that in the extracellular space can act as a damage-associated molecular pattern (DAMP) involved in a large variety of different processes, such as inflammation, migration, invasion, proliferation, differentiation, and tissue regeneration, has recently emerged as a possible regulator of the activity of different immune cell types in the distinct phases of the inflammatory reparative process. Moreover, by activating endogenous stem cells, inducing endothelial cells, and by modulating cardiac fibroblast activity, HMGB1 could represent a master regulator of the inflammatory and reparative responses following MI. In this review, we will provide an overview of cellular effectors involved in these processes and how HMGB1 intervenes in regulating each of them. Moreover, we will summarize HMGB1 roles in regulating other cell types that are involved in the different phases of the inflammatory-reparative response, discussing how its redox status could affect its activity.
- Subjects
CELL migration; HIGH mobility group proteins; STEM cells; NUCLEAR proteins; EXTRACELLULAR space; ENDOTHELIAL cells
- Publication
Cells (2073-4409), 2022, Vol 11, Issue 2, p216
- ISSN
2073-4409
- Publication type
Article
- DOI
10.3390/cells11020216