Lab-made compound library yields leads against parasite enzymes
Aguado ME, Ojeda-Carralero GM, Rodríguez MA, Rúa I, Guerra H
Medicinal Plants
This one sits outside the garden entirely: it's chemistry aimed at malaria, Chagas disease, and leishmaniasis parasites, with no plant biology involved.
Scientists made 74 custom-built molecules called peptoids and tested them against enzymes that three different parasites need to survive inside the human body. Some of these molecules blocked the enzymes well, which could eventually lead to new medicines for diseases like malaria and Chagas disease. Computer modeling helped explain why some molecules worked better, showing it came down to how well they fit into greasy pockets on the enzyme's surface.
Key Findings
74 peptoid-based compounds were synthesized across two libraries using multicomponent reactions
Compounds were tested against three parasite metallo-aminopeptidases: PfA-M1 (malaria), TcLAP (Chagas disease), and LmLAP (leishmaniasis), yielding moderate to potent inhibitors for each
Molecular docking indicated hydrophobic interactions are key drivers of inhibitor binding
chevron_right Technical Summary
Researchers built a library of 74 lab-made compounds called peptoids and tested them against enzymes from three disease-causing parasites, finding several that block the enzymes and could point toward new antiparasitic drugs.
Abstract Preview
Original paper
Synthesis and Evaluation of Peptoid-Based Compound Libraries as Inhibitors of Parasite Metallo-Aminopeptidases.
Parasitic diseases are a worldwide health and socio-economical problem, especially due to increasing parasite resistance and frequent toxicity of commercial drugs. Parasite metallo-aminopeptidases ...
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