http://www.cnr.it/ontology/cnr/individuo/prodotto/ID225983
Functional epitope mapping oh humen interleukin-1 beta by surface plasmon resonance (Articolo in rivista)
- Type
- Label
- Functional epitope mapping oh humen interleukin-1 beta by surface plasmon resonance (Articolo in rivista) (literal)
- Anno
- 1997-01-01T00:00:00+01:00 (literal)
- Alternative label
D'Ettorre, C., De Chiara, G., Casadei, R., Boraschi, D., Tagliabue, A. (1997)
Functional epitope mapping oh humen interleukin-1 beta by surface plasmon resonance
in European cytokine network
(literal)
- Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#autori
- D'Ettorre, C., De Chiara, G., Casadei, R., Boraschi, D., Tagliabue, A. (literal)
- Pagina inizio
- Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#numeroVolume
- Rivista
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- Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#numeroFascicolo
- Note
- Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#affiliazioni
- Dompé Research Center, L'Aquila, Italy. (literal)
- Titolo
- Functional epitope mapping oh humen interleukin-1 beta by surface plasmon resonance (literal)
- Abstract
- A panel of monoclonal antibodies to human IL-1 beta has been used to probe its conformational and functional characteristics. Real time antibody-protein interaction was assessed by surface plasmon resonance with a BIAcore apparatus, in order to determine the kinetic and thermodynamic parameters of the interaction and to map the recognition sites of the antibodies on the IL-1 beta surface. Topological analysis was thus compared to the inhibitory capacity of antibodies for IL-1 beta bioactivity and binding to the activating receptor IL-1RI. This functional mapping analysis allows the following hypothesis. At least two discrete areas of IL-1 beta, located within the sequences 133-147 and 177-186 (as defined by mAbs MhC1 and BRhD2, respectively), are apparently involved in IL-1RI-independent agonist activity, and thus possibly take part in the interaction with the receptor accessory protein IL-1RAcP. Another area in the 133-147 sequence (defined by mAb BRhC3) is involved in agonist binding to its receptor CDw121a (IL-1RI), whereas a site recognized by mAb BRhG5 within the sequence 218-243 is selectively responsible for non-agonist binding to the activating receptor. The loop between the 4th and the 5th beta-strand, at the open end of the IL-1 beta-barrel structure, may possibly take part in both non-agonist binding to IL-1RI and in the interaction with IL-1RAcP. (literal)
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