期刊
PHARMACOLOGY & THERAPEUTICS
卷 141, 期 3, 页码 347-357出版社
PERGAMON-ELSEVIER SCIENCE LTD
DOI: 10.1016/j.pharmthera.2013.11.001
关键词
HMGB1; HMGB1-receptors; Small-molecule inhibitors; Peptide/protein inhibitors; DNA-based inhibitors
资金
- MIUR (PRIN) [2009J54YAP_002]
- AIRC, Italian Association for Cancer Research [11947]
HMGB1 (High-Mobility Group Box-1) is a nuclear protein that acts as an architectural chromatin-binding factor involved in the maintenance of nucleosome structure and regulation of gene transcription. It can be released into the extracellular milieu from immune and non-immune cells in response to various stimuli. Extracellular HMGB1 contributes to the pathogenesis of numerous chronic inflammatory and autoimmune diseases, including sepsis, rheumatoid arthritis, atherosclerosis, chronic kidney disease, systemic lupus erythematosus (SLE), as well as cancer pathogenesis. Interaction of released HMGB1 with the cell-surface receptor for advanced glycation end products (RAGE) is one of the main signaling pathways triggering these diseases. It has been also demonstrated that the inhibition of the HMGB1-RAGE interaction represents a promising approach for the modulation of the inflammatory and tumor-facilitating activity of HMGB1. In this review we describe various approaches recently proposed in the literature to inhibit HMGB1 and the related inflammatory processes, especially focusing on the block of RAGE-HMGB1 signaling. Several strategies are based on molecules which mainly interact with RAGE as competitive antagonists of HMGB1. As an alternative, encouraging results have been obtained with HMGB1-targeting, leading to the identification of compounds that directly bind to HMGB1, ranging from small natural or synthetic molecules, such as glycyrrhizin and gabexate mesilate, to HMGB1-specific antibodies, peptides, proteins as well as bent DNA-based duplexes. Future perspectives are discussed in the light of the overall body of knowledge acquired by a large number of research groups operating in different but related fields. (C) 2013 Elsevier Inc. All rights reserved.
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