Mascanzoni, Fabiola (2016) Structure-Based Design and Optimization of AIF/CypA peptide inhibitors with neuroprotective activity. [Tesi di dottorato]
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Tesi_Dottorato_XVIIIciclo_Mascanzoni_Fabiola.pdf Download (5MB) | Anteprima |
| Tipologia del documento: | Tesi di dottorato |
|---|---|
| Lingua: | English |
| Titolo: | Structure-Based Design and Optimization of AIF/CypA peptide inhibitors with neuroprotective activity |
| Autori: | Autore Email Mascanzoni, Fabiola fabiolamasc@yahoo.it |
| Data: | 31 Marzo 2016 |
| Numero di pagine: | 120 |
| Istituzione: | Università degli Studi di Napoli Federico II |
| Dipartimento: | Farmacia |
| Scuola di dottorato: | Scienze farmaceutiche |
| Dottorato: | Scienza del farmaco |
| Ciclo di dottorato: | 28 |
| Coordinatore del Corso di dottorato: | nome email D'Auria, Maria Valeria madauria@unina.it |
| Tutor: | nome email Novellino, Ettore [non definito] Ruvo, Menotti [non definito] Doti, Nunzianna [non definito] |
| Data: | 31 Marzo 2016 |
| Numero di pagine: | 120 |
| Parole chiave: | NMR studies, AIF/CypA complex, peptide inhibitors |
| Settori scientifico-disciplinari del MIUR: | Area 05 - Scienze biologiche > BIO/10 - Biochimica |
| Depositato il: | 11 Apr 2016 07:47 |
| Ultima modifica: | 10 Set 2020 01:00 |
| URI: | http://www.fedoa.unina.it/id/eprint/10934 |
Abstract
In this research work, we described the importance of peptides as a therapeutic approach for the resolution of many diseases. In particular, we focused our attention on the lethal role of complex protein AIF/CypA, involved in neuronal cell death. The aim of this project was the structure-based design and optimization of AIF/CypA peptide inhibitors, using NMR studies and combinatorial chemistry. The peptides were designed from AIF(370-394) peptide, mimetic of amino acidic region 370-394 of AIF protein, able to block in vitro the proteins interaction, through its bond to CypA and able to induce neuroprotection. The identified peptides will be used to for the treatment of neurodegenerative disorders. Moreover a second project was focused on development of a simple and homogenous fluorescent HTS assays for the discovery of CypA cis-trans isomerase activity inhibitors, using a new FRET-based substrate probe useful for Chymotrypsin-coupled isomerase assays. For this purpose, we have designed a new fluorescent peptide substrate, useful to the use of in order to have a high proportion of cis conformers and to work by following fluorescence intensity increase or decrease, depending on enzyme activation or inhibition. The assay is helpful to screening set of large compound libraries.
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