The parasite of the genus Leishmania is the causative agent of diseases that affect humans called leishmaniasis. These diseases affect millions of people worldwide and the currently existing drugs are either very toxic or the parasites acquire resistance. Therefore, new elimination mechanisms need to be elucidated so that new therapeutic strategies can be developed. Much has already been discussed about the role of neutrophils in Leishmania infection, and their participation is still controversial. A recent study showed that receptors present in the neutrophil membrane, the purinergic receptors, can control the infection when activated, but the triggering mechanism has not been elucidated. In this review, we will address the possible participation of purinergic receptors expressed in the neutrophil extracellular membrane that may be participating in the detection of Leishmania infection and their possible effects during parasitism.
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