GHTM

Global Health and Tropical Medicine

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Whole-cell SYBR Green I assay for antimalarial activity assessment

Malaria parasite growth assessment assays using nucleic acid dye SYBR GreenI are frequently compromised by high background readings due to haemoglobin and detergents in lysis buffer. Here, we have assessed and further validated an intact-cell SYBR Green I-based fluorescence assay (Cell-MSF) for antimalarial activity assessment even of highly fluorescent compounds. Our modifications include:
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Primaquine-based ionic liquids as a novel class of antimalarial hits

Ionic liquids derived from active pharmaceutical ingredients may open new perspectives towards low-cost rescuing of classical drugs. Thus, we have synthesized novel ionic liquids derived from the antimalarial drug primaquine, and evaluated them in vitro against three stages of malaria parasites. Results from this unprecedented approach open a new chapter in the history of antimalarial […]
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On the ordeal of quinolone preparation via cyclisation of aryl-enamines; Synthesis and structure of ethyl 6-methyl-7-iodo-4-(3-iodo-4-methylphenoxy)-quinoline-3-carboxylate

Recent studies directed to the design of compounds targeting the bc1 protein complex of Plasmodium falciparum, the parasite responsible for most lethal cases of malaria, identified quinolones (4-oxo-quinolines) with low nanomolar inhibitory activity against both the enzyme and infected erythrocytes. The 4-oxo-quinoline 3-ester chemotype emerged as a possible source of potent bc1 inhibitors, prompting us to expand the library of available […]
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About GHTM

GHTM is a R&D Center that brings together researchers from IHMT with a track record in Tropical Medicine and International/Global Health. It aims at strengthening Portugal's role as a leading partner in the development and implementation of a global health research agenda. Our evidence-based interventions contribute to the promotion of equity in health and to improve the health of populations.

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