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Pannek, Martin ; Alhalabi, Zayan ; Tomaselli, Daniela ; Menna, Martina ; Fiorentino, Francesco ; Robaa, Dina ; Weyand, Michael ; Puhlmann, Maximilian ; Tomassi, Stefano ; Barreca, Federica ; Tafani, Marco ; Zaganjor, Elma ; Haigis, Marcia C. ; Sippl, Wolfgang ; Rotili, Dante ; Mai, Antonello ; Steegborn, Clemens:
Specific Inhibitors of Mitochondrial Deacylase Sirtuin 4 Endowed with Cellular Activity.
In: Journal of Medicinal Chemistry.
Bd. 67
(2024)
Heft 3
.
- S. 1843-1860.
ISSN 1520-4804
DOI: https://doi.org/10.1021/acs.jmedchem.3c01496
Abstract
Sirtuins are NAD+-dependent protein lysine deacylases implicated in aging-related diseases. Mammalian Sirtuin 4 (Sirt4) is located in mitochondria and a potential therapeutic target for cancer and metabolic diseases, but no potent and selective Sirt4 inhibitors have been reported. Here, we describe the identification of potent Sirt4-specific small-molecule inhibitors. Testing hits from a target-based virtual screen revealed 12 active compounds. A focused screen based on two top compounds, followed by structure-assisted design of derivatives, yielded four first-in-class potent Sirt4 inhibitors. Kinetic analyses indicate compound competition with the acyl peptide substrate, consistent with the docking models and implicating Sirt4's unique acyl binding site. The compounds indeed show preference for Sirt4 over other isoforms, with one of them (69) being highly isoform selective, and they are active in cells. Our results provide first lead compounds and mechanistic insights for optimization toward Sirt4-specific inhibitors useful as experimental tools and potential therapeutics.
Weitere Angaben
| Publikationsform: | Artikel in einer Zeitschrift |
|---|---|
| Begutachteter Beitrag: | Ja |
| Institutionen der Universität: | Fakultäten > Fakultät für Biologie, Chemie und Geowissenschaften > Fachgruppe Chemie > Lehrstuhl Biochemie I - Proteinbiochemie der Signaltransduktion Fakultäten > Fakultät für Biologie, Chemie und Geowissenschaften > Fachgruppe Chemie > Lehrstuhl Biochemie I - Proteinbiochemie der Signaltransduktion > Lehrstuhl Biochemie I - Proteinbiochemie der Signaltransduktion - Univ.-Prof. Dr. Clemens Steegborn |
| Titel an der UBT entstanden: | Ja |
| Themengebiete aus DDC: | 500 Naturwissenschaften und Mathematik > 540 Chemie |
| Eingestellt am: | 16 Sep 2024 06:16 |
| Letzte Änderung: | 16 Sep 2024 06:16 |
| URI: | https://eref.uni-bayreuth.de/id/eprint/90405 |