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  • Title: L-arginine metabolism during interaction of Trypanosoma cruzi with host cells.
    Author: Peluffo G, Piacenza L, Irigoín F, Alvarez MN, Radi R.
    Journal: Trends Parasitol; 2004 Aug; 20(8):363-9. PubMed ID: 15246319.
    Abstract:
    Trypanosoma cruzi invades a diversity of nucleated cells in the mammalian host. Macrophages are among the first cells to be parasitized and, after activation by inflammatory stimuli, they participate in the control of infection. However, some parasites manage to evade the immune response and establish a chronic infection in differentiated cells. L-arginine is located at the crossroads of divergent routes that produce metabolites, including nitric oxide and polyamines, which influence the outcome (i.e. resolution or progression) of infection. This article discusses the fate and actions of L-arginine-derived biomolecules formed both in the host and in the parasite during T. cruzi-host-cell interactions.
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