Mechanism-Based Macrocyclic Inhibitors of Serine Proteases
Protease inhibitor drug discovery is challenged by the lack of cellular and oral permeability, selectivity, metabolic stability, and rapid clearance of peptides. Here, we describe the rational design, synthesis, and evaluation of peptidomimetic side-chain-cyclized macrocycles which we converted into covalent serine protease inhibitors with the addition of an electrophilic ketone warhead. We have identified potent and selective inhibitors of TMPRSS2, matriptase, hepsin, and HGFA and demonstrated their improved protease selectivity, metabolic stability, and pharmacokinetic (PK) properties. We obtained an X-ray crystal structure of phenyl ether-cyclized tripeptide VD4162 (8b) bound to matriptase, revealing an unexpected binding conformation. Cyclic biphenyl ether VD5123 (11) displayed the best PK properties in mice with a half-life of 4.5 h and compound exposure beyond 24 h. These new cyclic tripeptide scaffolds can be used as easily modifiable templates providing a new strategy to overcoming the obstacles presented by linear acyclic peptides in protease inhibitor drug discovery.
| Medienart: |
E-Artikel |
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| Erscheinungsjahr: |
2024 |
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| Erschienen: |
2024 |
| Enthalten in: |
Zur Gesamtaufnahme - volume:67 |
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| Enthalten in: |
Journal of medicinal chemistry - 67(2024), 6 vom: 28. März, Seite 4833-4854 |
| Sprache: |
Englisch |
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| Beteiligte Personen: |
Damalanka, Vishnu C [VerfasserIn] |
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| Links: |
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| Themen: |
EC 3.4.- |
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| Anmerkungen: |
Date Completed 29.03.2024 Date Revised 29.03.2024 published: Print-Electronic Citation Status MEDLINE |
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| doi: |
10.1021/acs.jmedchem.3c02388 |
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| funding: |
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| Förderinstitution / Projekttitel: |
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NLM369674189 |
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| 520 | |a Protease inhibitor drug discovery is challenged by the lack of cellular and oral permeability, selectivity, metabolic stability, and rapid clearance of peptides. Here, we describe the rational design, synthesis, and evaluation of peptidomimetic side-chain-cyclized macrocycles which we converted into covalent serine protease inhibitors with the addition of an electrophilic ketone warhead. We have identified potent and selective inhibitors of TMPRSS2, matriptase, hepsin, and HGFA and demonstrated their improved protease selectivity, metabolic stability, and pharmacokinetic (PK) properties. We obtained an X-ray crystal structure of phenyl ether-cyclized tripeptide VD4162 (8b) bound to matriptase, revealing an unexpected binding conformation. Cyclic biphenyl ether VD5123 (11) displayed the best PK properties in mice with a half-life of 4.5 h and compound exposure beyond 24 h. These new cyclic tripeptide scaffolds can be used as easily modifiable templates providing a new strategy to overcoming the obstacles presented by linear acyclic peptides in protease inhibitor drug discovery | ||
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| 650 | 7 | |a EC 3.4.- |2 NLM | |
| 650 | 7 | |a Serine Proteinase Inhibitors |2 NLM | |
| 650 | 7 | |a Peptides |2 NLM | |
| 700 | 1 | |a Banas, Victoria |e verfasserin |4 aut | |
| 700 | 1 | |a De Bona, Paolo |e verfasserin |4 aut | |
| 700 | 1 | |a Kashipathy, Maithri M |e verfasserin |4 aut | |
| 700 | 1 | |a Battaile, Kevin |e verfasserin |4 aut | |
| 700 | 1 | |a Lovell, Scott |e verfasserin |4 aut | |
| 700 | 1 | |a Janetka, James W |e verfasserin |4 aut | |
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