Abstract
Malaria is an infectious disease that needs to be addressed using innovative approaches to counteract spread of drug resistance and to establish or optimize vaccination strategies. With our approach, we aim for a dual action with drug- and 'vaccine-like' activity against malaria. By inhibiting entry of malaria parasites into host red blood cells (RBCs) - using polymer vesicle-based (polymersome) nanomimics of RBC membranes - the life cycle of the parasite is interrupted and the exposed parasites are accessible to the host immune system. Here, we describe how host cell-sized RBC membrane mimics, formed with the same block copolymers as nanomimics, also bind the corresponding malaria parasite ligand and whole malaria parasites, similar to nanomimics. This was demonstrated using fluorescence imaging techniques and confirms the suitability of giant polymersomes (GUVs) as simple mimics for RBC membranes.
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