Potent antitrypanosomal activities of 3-aminosteroids against African trypanosomes: investigation of cellular effects and of cross-resistance with existing drugs

CO Nnadi, GU Ebiloma, JA Black, NJ Nwodo… - Molecules, 2019 - mdpi.com
Treatment of animal African trypanosomiasis (AAT) requires urgent need for safe, potent and
affordable drugs and this has necessitated this study. We investigated the trypanocidal …

Investigation of 5'-norcarbocyclic nucleoside analogues as antiprotozoal and antibacterial agents

AL Khandazhinskaya, ES Matyugina, PN Solyev… - Molecules, 2019 - mdpi.com
Carbocyclic nucleosides have long played a role in antiviral, antiparasitic, and antibacterial
therapies. Recent results from our laboratories from two structurally related scaffolds have …

Crystal structures of Trypanosoma brucei hypoxanthine – guanine – xanthine phosphoribosyltransferase in complex with IMP, GMP and XMP

D Terán, E Doleželová, DT Keough… - The FEBS …, 2019 - Wiley Online Library
The 6‐oxopurine phosphoribosyltransferases (PRT s) are drug targets for the treatment of
parasitic diseases. This is due to the fact that parasites are auxotrophic for the 6‐oxopurine …

Trypanosoma brucei bloodstream forms express highly specific and separate transporters for adenine and hypoxanthine; evidence for a new protozoan purine …

GD Campagnaro, KJ Alzahrani, JC Munday… - Molecular and …, 2018 - Elsevier
The transport of nucleobases and nucleosides in protozoan parasites is known to be
performed by Equilibrative Nucleoside Transporter (ENT) family members, including the …

Evaluation of the antiprotozoan properties of 5′-norcarbocyclic pyrimidine nucleosides

KJ Alzahrani, ES Matyugina… - Bioorganic & medicinal …, 2017 - Elsevier
Carbocyclic nucleoside analogues have a distinguished history as anti-infectious agents,
including key antiviral agents. Toxicity was initially a concern but this was reduced by the …

The Trypanosoma cruzi TcrNT2 Nucleoside Transporter Is a Conduit for the Uptake of 5-F-2′-Deoxyuridine and Tubercidin Analogues

MM Aldfer, IA Alfayez, HAA Elati, N Gayen… - Molecules, 2022 - mdpi.com
Among the scarce validated drug targets against Chagas disease (CD), caused by
Trypanosoma cruzi, the parasite's nucleoside salvage system has recently attracted …

Seasonal variation in tsetse fly apparent density and Trypanosoma spp. infection rate and occurrence of drug-resistant trypanosomes in Lambwe, Kenya

I Okello, J Nzalawahe, E Mafie, G Eastwood - Parasitology Research, 2024 - Springer
Tsetse flies are major arthropod vectors of trypanosomes that cause debilitating African
animal trypanosomiasis. The emergence of drug-resistant trypanosomes is a common …

9-(2′-Deoxy-2′-Fluoro-β-d-Arabinofuranosyl) Adenine Is a Potent Antitrypanosomal Adenosine Analogue That Circumvents Transport-Related Drug Resistance

F Ranjbarian, M Vodnala, KJH Alzahrani… - Antimicrobial agents …, 2017 - Am Soc Microbiol
Current chemotherapy against African sleeping sickness, a disease caused by the
protozoan parasite Trypanosoma brucei, is limited by toxicity, inefficacy, and drug …

Drug resistance assays for parasitic diseases

D Légaré, M Ouellette - … : Clinical and Epidemiological Aspects, Volume 2, 2017 - Springer
Protozoa and helminths have by far the greatest impact in terms of morbidity worldwide. The
status of protozoa and helminths control, both in human and veterinary medicine, is …

Protean permeases: Diverse roles for membrane transport proteins in kinetoplastid protozoa

SM Landfear - Molecular and biochemical parasitology, 2019 - Elsevier
Kinetoplastid parasites such as Trypanosoma brucei, Trypanosoma cruzi, and Leishmania
species rely upon their insect and vertebrate hosts to provide a plethora of nutrients …