The DOI matches its Crossref record; 120 of the 120 references it cites were found in a registry or an index.
TLR2 – promiscuous or specific? A critical re-evaluation of a receptor expressing apparent broad specificity
Open accessAbstract
Of all pattern recognition receptors (PRR) in innate immunity, Toll-like receptor 2 (TLR2) recognizes the structurally broadest range of different bacterial compounds known as pathogen-associated molecular patterns (PAMPs). TLR2 agonists identified so far are lipopolysaccharides (LPSs) from different bacterial strains, lipoproteins, (synthetic) lipopeptides, lipoarabinomannans, lipomannans, glycosylphosphatidylinositol, lipoteichoic acids (LTA), various proteins including lipoproteins and glycoproteins, zymosan, and peptidoglycan (PG). Because these molecules are structurally diverse, it seems unlikely that TLR2 has the capability to react with all agonists to the same degree. The aim of this review is to identify and describe well-defined structure-function relationships for TLR2. Because of its biomedical importance and because its genetics and biochemistry are presently most completely known among all Gram-positive bacteria, we have chosen Staphylococcus aureus as a focus. Our data together with those reported by other groups reveal that only lipoproteins/lipopeptides are sensed at physiologically concentrations by TLR2 at picomolar levels. This finding implies that the activity of all other putative bacterial compounds so far reported as TLR2 agonists was most likely due to contaminating highly active natural lipoproteins and/or lipopeptides.
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Cites
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Endogenous toll‐like receptor ligands and their biological significance
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Akkermansia muciniphila phospholipid induces homeostatic immune responses
Bae, M., Cassilly, C. D., Liu, X., Park, S.-M., Tusi, B. K., Chen, X., Kwon, J., Filipčík, P., Bolze, A. S., Liu, Z., et al. (2022) · Nature · doi:10.1038/s41586-022-04985-7 · Cited by 413
Wicherska-Pawłowska, K., Wróbel, T., & Rybka, J. (2021) · International Journal of Molecular Sciences · doi:10.3390/ijms222413397 · Cited by 409
Inflammation and preterm birth
Cappelletti, M., Della Bella, S., Ferrazzi, E., Mavilio, D., & Divanovic, S. (2016) · Journal of Leukocyte Biology · doi:10.1189/jlb.3mr0615-272rr · Cited by 293
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Metadata
- Authors
- Zähringer, U., Lindner, B., Inamura, S., Heine, H., & Alexander, C.
- Venue
- Immunobiology
- Publisher
- Elsevier BV
- Published
- 2008-05
- Volume
- 213
- Issue
- 3-4
- Pages
- 205-224
- ISSN
- 0171-2985 (ISSN-L)
- OpenAlex
- W2041168913
- Cited by
- 403
- References
- 120
- FWCI
- 13.69
- Type
- journal article
- Language
- en
- Open access
- hybrid
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- Zähringer, U., Lindner, B., Inamura, S., Heine, H., & Alexander, C. (2008). TLR2 – promiscuous or specific? A critical re-evaluation of a receptor expressing apparent broad specificity. Immunobiology. https://doi.org/10.1016/j.imbio.2008.02.005
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