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Development of Plasmodium falciparum Protease Inhibitors in the Past Decade (2002-2012)

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Summary:New drug targets for the development of antimalarial drugs have emerged after the unveiling of the Plasmodium falciparum genome in 2002. Potential antimalarial drug targets can be broadly classified into three categories according to their function in the parasite's life cycle: (i) biosynthesis, (ii) membrane transport and signaling, and (iii) hemoglobin catabolism. The latter plays a key role, as inhibition of hemoglobin degradation impairs maturation of blood-stage malaria parasites, ultimately leading to remission or even cure of the most severe stage of the infection. Intraerythrocytic Plasmodia parasites have limited capacity to biosynthesize amino acids which are vital for their growth. Therefore, the parasites obtain those essential amino acids via degradation of host cell hemoglobin, making this a crucial process for parasite survival. Several plasmodial proteases are involved in hemoglobin catabolism, among which plasmepsins and falcipains are well-known examples. Hence, development of P. falciparum protease inhibitors is a promising approach to antimalarial chemotherapy, as highlighted by the present review which is focused on the Medicinal Chemistry research effort recorded in the past decade in this particular field.
Main Authors:Perez, B
Other Authors:Teixeira, C; Gomes, JRB; Gomes, P
Subject:Medicina básica Basic medicine
Year:2013
Country:Portugal
Document type:article
Access type:open access
Associated institution:Universidade do Porto
Language:English
Origin:Repositório Aberto da Universidade do Porto

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