期刊
ACS INFECTIOUS DISEASES
卷 4, 期 7, 页码 1130-1145出版社
AMER CHEMICAL SOC
DOI: 10.1021/acsinfecdis.8b00090
关键词
parasitic nematodes; hookworm; whipworm; filarial nematode; whole worm assay; in vitro; in vivo; target class repurposing; carnitine palmitoyltransferase (CPT); bioaccumulation; anthelmintic
资金
- National Institute of Allergy and Infectious Diseases (NIAID) [AI081803]
- NIAID [AI056189]
The enormous prevalence of infections caused by parasitic nematodes worldwide, coupled to the rapid emergence of their resistance to commonly used anthelmintic drugs, presents an urgent need for the discovery of new drugs. Herein, we have identified several classes of small molecules with broad spectrum activity against these pathogens. Previously, we reported the identification of carnitine palmitoyltransferases (CPTs) as a representative class of enzymes as potential targets for metabolic chokepoint intervention that was elucidated 2 from a combination of chemogenomic screening and experimental testing in nematodes. Expanding on these previous findings, we have discovered that several chemical classes of known small molecule inhibitors of mammalian CPTs have potent activity as anthelmintics. Cross-clade efficacy against a broad spectrum of adult parasitic nematodes was demonstrated for multiple compounds from different series. Several analogs of these initial hit compounds were designed and synthesized. The compounds we report represent a good starting point for further lead identification and optimization for development of new anthelmintic drugs with broad spectrum activity and a novel mechanism of action.
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