Franciane Hoakwie

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We report the isolation and identification of a new quassinoid named simalikalactone E (SkE), extracted from a widely used Amazonian antimalarial remedy made out of Quassia amara L. (Simaroubaceae) leaves. This new molecule inhibited the growth of Plasmodium falciparum cultured in vitro by 50%, in the concentration range from 24 to 68 nM, independently of(More)
Hypoxia inducible factor-1 (HIF-1) is a heterodimeric transcription factor that acts as the master regulator of cellular response to reduced oxygen levels, thus playing a key role in the adaptation, survival, and progression of tumors. Here we report cyclo-CLLFVY, identified from a library of 3.2 million cyclic hexapeptides using a genetically encoded(More)
Identification of direct modulators of transcription factor protein–protein interactions is a key challenge for ligand discovery that promises to significantly advance current approaches to cancer therapy. Here, we report an inhibitor of NADH-dependent dimerization of the C-terminal binding protein (CtBP) transcriptional repressor, identified by screening(More)
Hypoxia inducible factor-1 (HIF-1) directs the cellular response to low oxygen and plays a key role in tumour survival and growth. Here we use an inhibitor of the HIF-1α/HIF-1β protein-protein interaction to show the presence of an epigenetically controlled transactivation loop whereby the HIF-1 transcription factor promotes the expression of its own(More)
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