Document Detail

Molecular simplification of lipid A structure: TLR4-modulating cationic and anionic amphiphiles.
MedLine Citation:
PMID:  24939379     Owner:  NLM     Status:  Publisher    
A growing body of data suggests that therapies based on Toll-like receptors (TLR) targeting, in particular TLR4, holds promise in curing autoimmune and inflammatory pathologies still lacking specific treatment, included several rare diseases. While TLR4 activators (agonists) have already found successful clinical application as vaccine adjuvants, the use of TLR4 blockers (antagonists) as antisepsis agents or as agents against inflammatory diseases (including arthritis, multiple sclerosis, neuroinflammations) and cancer is still at a preclinical phase of development. This minireview focuses on recent achievements on the development of TLR4 modulators based on lipid A structure simplification, in particular on compounds having disaccharide or monosaccharide structures. As the TLR4 activity of natural TLR4 ligands (lipopolysaccharide, LPS and its biologically active part, the lipid A) depends on both the structure of endotoxin aggregates in solution and on single-molecule interaction with MD-2 and CD14 receptors, the rational design of TLR4 modulators should in principle take into account both these factors. In the light of the most recent advances in the field, in this minireview we discuss the structure-activity relationship in simplified lipid A analogs, with cationic or anionic amphiphilic structures.
Valentina Calabrese; Roberto Cighetti; Francesco Peri
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Publication Detail:
Type:  REVIEW     Date:  2014-6-14
Journal Detail:
Title:  Molecular immunology     Volume:  -     ISSN:  1872-9142     ISO Abbreviation:  Mol. Immunol.     Publication Date:  2014 Jun 
Date Detail:
Created Date:  2014-6-18     Completed Date:  -     Revised Date:  -    
Medline Journal Info:
Nlm Unique ID:  7905289     Medline TA:  Mol Immunol     Country:  -    
Other Details:
Languages:  ENG     Pagination:  -     Citation Subset:  -    
Copyright Information:
Copyright © 2014 Elsevier Ltd. All rights reserved.
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