Abstract:
:α-Synuclein forms amyloid deposits in the dopaminergic neurons; a process that is believed to contribute to the Parkinson's disease. An emerging theme in amyloid research is the hypothesis that the toxic species produced during amyloid formation share common physic-chemical features and exert their effects by common modes. This prompted the idea that molecules able to inhibit a protein aggregation process may cross-react with other amyloidogenic proteins, interfering in their fibrils formation. We investigate the ability of analogues of the heptapeptide H-Arg-Lys-Val-MePhe-Tyr-Thr-Trp- OH2, an inhibitor of Aβ-peptide aggregation, to cross-react with α-synuclein interfering with its fibril formation. The influence of the MePhe topography on the interaction with α-synuclein has also been evaluated, replacing the MePhe residue with either Phe or the conformationally restricted Tic residues. Peptides interact with good affinity with the α-synuclein monomer, promoting its aggregation process. This work provides the basis for the development of new drugs based on peptidomimetics able to modify the oligomers - mature fibrils equilibrium towards this last species.
journal_name
Protein Pept Lettjournal_title
Protein and peptide lettersauthors
Ruzza P,Gazziero M,Marchi MD,Massalongo G,Marchiani A,Autiero I,Tessari I,Bubacco L,Calderan Adoi
10.2174/0929866522666150209142649subject
Has Abstractpub_date
2015-01-01 00:00:00pages
354-61issue
4eissn
0929-8665issn
1875-5305pii
PPL-EPUB-65075journal_volume
22pub_type
杂志文章abstract::The identification of interfaces in protein complexes is effective for the elucidation of protein function and helps us to understand their roles in biological processes. With the exponentially growing amount of protein sequence data, an exploration of new methods that predict protein interaction sites based solely on...
journal_title:Protein and peptide letters
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journal_title:Protein and peptide letters
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journal_title:Protein and peptide letters
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journal_title:Protein and peptide letters
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journal_title:Protein and peptide letters
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journal_title:Protein and peptide letters
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journal_title:Protein and peptide letters
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journal_title:Protein and peptide letters
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journal_title:Protein and peptide letters
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journal_title:Protein and peptide letters
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journal_title:Protein and peptide letters
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journal_title:Protein and peptide letters
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journal_title:Protein and peptide letters
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journal_title:Protein and peptide letters
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journal_title:Protein and peptide letters
pub_type: 杂志文章,评审
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journal_title:Protein and peptide letters
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journal_title:Protein and peptide letters
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journal_title:Protein and peptide letters
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journal_title:Protein and peptide letters
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journal_title:Protein and peptide letters
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journal_title:Protein and peptide letters
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journal_title:Protein and peptide letters
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更新日期:2008-01-01 00:00:00
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journal_title:Protein and peptide letters
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