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Development of Potent and Highly Selective Epoxyketone-Based Plasmodium Proteasome Inhibitors
J. Almaliti, P. Fajtová, J. Calla, GM. LaMonte, M. Feng, F. Rocamora, S. Ottilie, E. Glukhov, E. Boura, RT. Suhandynata, JD. Momper, MK. Gilson, EA. Winzeler, WH. Gerwick, AJ. O'Donoghue
Jazyk angličtina Země Německo
Typ dokumentu časopisecké články
Grantová podpora
INV-037899
Bill & Melinda Gates Foundation - United States
R01AI158612
NIH HHS - United States
R21AI133393
NIH HHS - United States
R21AI146387
NIH HHS - United States
R21AI171824
NIH HHS - United States
INV-037899
Bill & Melinda Gates Foundation - United States
R01AI158612
NIH HHS - United States
R21AI133393
NIH HHS - United States
R21AI146387
NIH HHS - United States
R21AI171824
NIH HHS - United States
R01GM061300
NIH HHS - United States
940892
St. Baldrick's Foundation
Odkazy
PubMed
36617500
DOI
10.1002/chem.202203958
Knihovny.cz E-zdroje
- MeSH
- antimalarika * farmakologie MeSH
- inhibitory proteasomu chemie MeSH
- lidé MeSH
- myši MeSH
- Plasmodium falciparum MeSH
- Plasmodium * MeSH
- proteasomový endopeptidasový komplex chemie MeSH
- zvířata MeSH
- Check Tag
- lidé MeSH
- myši MeSH
- zvířata MeSH
- Publikační typ
- časopisecké články MeSH
Here, we present remarkable epoxyketone-based proteasome inhibitors with low nanomolar in vitro potency for blood-stage Plasmodium falciparum and low cytotoxicity for human cells. Our best compound has more than 2,000-fold greater selectivity for erythrocytic-stage P. falciparum over HepG2 and H460 cells, which is largely driven by the accommodation of the parasite proteasome for a D-amino acid in the P3 position and the preference for a difluorobenzyl group in the P1 position. We isolated the proteasome from P. falciparum cell extracts and determined that the best compound is 171-fold more potent at inhibiting the β5 subunit of P. falciparum proteasome when compared to the same subunit of the human constitutive proteasome. These compounds also significantly reduce parasitemia in a P. berghei mouse infection model and prolong survival of animals by an average of 6 days. The current epoxyketone inhibitors are ideal starting compounds for orally bioavailable anti-malarial drugs.
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- $a Almaliti, Jehad $u Skaggs School of Pharmacy and Pharmaceutical Sciences, University of California San Diego, 9500 Gilman Drive, La Jolla, California, 92093, USA $u Center for Marine Biotechnology and Biomedicine, Scripps Institution of Oceanography, University of California San Diego, 9500 Gilman Drive, La Jolla, California, 92093, USA $u Department Pharmaceutical Sciences, College of Pharmacy, University of Jordan, Amman, 11942, Jordan $1 https://orcid.org/0000000235620846
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