Simultaneous ¹⁹F NMR Screening of Prolyl Oligopeptidase and Dipeptidyl Peptidase IV Inhibitors
Prolyl oligopeptidase (POP) and dipeptidyl peptidase IV (DPP IV) are serine proteases that belong to the same family of enzymes. These peptidases are relevant because of their association with the pathophysiology of serious illnesses, such as type 2 diabetes (DPP IV), and those related to cognitive...
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| Published in | Chembiochem : a European journal of chemical biology Vol. 11; no. 8; pp. 1115 - 1119 |
|---|---|
| Main Authors | , , |
| Format | Journal Article |
| Language | English |
| Published |
Weinheim
Wiley-VCH Verlag
17.05.2010
WILEY-VCH Verlag WILEY‐VCH Verlag |
| Subjects | |
| Online Access | Get full text |
| ISSN | 1439-4227 1439-7633 |
| DOI | 10.1002/cbic.201000019 |
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| Abstract | Prolyl oligopeptidase (POP) and dipeptidyl peptidase IV (DPP IV) are serine proteases that belong to the same family of enzymes. These peptidases are relevant because of their association with the pathophysiology of serious illnesses, such as type 2 diabetes (DPP IV), and those related to cognitive disorders (POP). Several NMR-based screening methods are being used to find and validate new hit scaffolds. In particular, ¹⁹F NMR-based screening methods have proven to be powerful tools for the discovery and development of new inhibitors. Here we present an accurate and reliable ¹⁹F NMR-based simultaneous assay that is used to screen for new selective POP and DPP IV inhibitors in compound mixtures. This activity assay consists of the simultaneous performance of POP and DPP-IV ¹⁹F NMR activity assays in the presence of their fluorine-containing substrates. Furthermore, the assays were conducted in the presence of 0.01 % v/v of Triton X-100, which is a detergent that disrupts micelle formation, thereby preventing unspecific aggregate-based inhibition. Finally, this ¹⁹F NMR methodology was applied to screen for ligands in plant extracts. Our results indicate that this method allows the simultaneous and accurate identification of selective POP and DPP IV inhibitors in these compound mixtures. |
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| AbstractList | Prolyl oligopeptidase (POP) and dipeptidyl peptidase IV (DPP IV) are serine proteases that belong to the same family of enzymes. These peptidases are relevant because of their association with the pathophysiology of serious illnesses, such as type 2 diabetes (DPP IV), and those related to cognitive disorders (POP). Several NMR-based screening methods are being used to find and validate new hit scaffolds. In particular, ¹⁹F NMR-based screening methods have proven to be powerful tools for the discovery and development of new inhibitors. Here we present an accurate and reliable ¹⁹F NMR-based simultaneous assay that is used to screen for new selective POP and DPP IV inhibitors in compound mixtures. This activity assay consists of the simultaneous performance of POP and DPP-IV ¹⁹F NMR activity assays in the presence of their fluorine-containing substrates. Furthermore, the assays were conducted in the presence of 0.01 % v/v of Triton X-100, which is a detergent that disrupts micelle formation, thereby preventing unspecific aggregate-based inhibition. Finally, this ¹⁹F NMR methodology was applied to screen for ligands in plant extracts. Our results indicate that this method allows the simultaneous and accurate identification of selective POP and DPP IV inhibitors in these compound mixtures. Prolyl oligopeptidase (POP) and dipeptidyl peptidase IV (DPP IV) are serine proteases that belong to the same family of enzymes. These peptidases are relevant because of their association with the pathophysiology of serious illnesses, such as type 2 diabetes (DPP IV), and those related to cognitive disorders (POP). Several NMR‐based screening methods are being used to find and validate new hit scaffolds. In particular, 19F NMR‐based screening methods have proven to be powerful tools for the discovery and development of new inhibitors. Here we present an accurate and reliable 19F NMR‐based simultaneous assay that is used to screen for new selective POP and DPP IV inhibitors in compound mixtures. This activity assay consists of the simultaneous performance of POP and DPP‐IV 19F NMR activity assays in the presence of their fluorine‐containing substrates. Furthermore, the assays were conducted in the presence of 0.01 % v/v of Triton X‐100, which is a detergent that disrupts micelle formation, thereby preventing unspecific aggregate‐based inhibition. Finally, this 19F NMR methodology was applied to screen for ligands in plant extracts. Our results indicate that this method allows the simultaneous and accurate identification of selective POP and DPP IV inhibitors in these compound mixtures. The wonders of proteases: 19F NMR‐based screening methods are powerful tools for the discovery and development of new inhibitors. An accurate and reliable 19F NMR‐based simultaneous assay has been used to screen for new selective prolyl oligopeptidase and dipeptidyl peptidase IV inhibitors, which are the two key targets for treatment of cognitive disorders and type 2 diabetes mellitus. |
| Author | Kichik, Nessim Giralt, Ernest Tarragó, Teresa |
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| Snippet | Prolyl oligopeptidase (POP) and dipeptidyl peptidase IV (DPP IV) are serine proteases that belong to the same family of enzymes. These peptidases are relevant... |
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| SubjectTerms | 19F NMR spectroscopy drug development enzymes inhibitor screening prolyl oligopeptidases |
| Title | Simultaneous ¹⁹F NMR Screening of Prolyl Oligopeptidase and Dipeptidyl Peptidase IV Inhibitors |
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