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Research Article: Implication of the Annexin 1/FPR axis in leishmanial exosome-mediated Leishmania major skin hyperpathogenesis

Date Published: 2024-07-15

Abstract:
Introduction: Exosomes produced by the protozoan parasite Leishmania (LeishEXO) are well-established drivers of virulence, though mechanisms underlying their exacerbation of experimental leishmaniasis remain elusive. Expression of Annexin A1 (ANXA1), a protein implicated in exosome-mediated pathologies and viral internalization, has been shown to correlate with cutaneous leishmaniasis severity. Given ANXA1’s regulation of myeloid cells – the canonical hosts for Leishmania – we studied the potential role of ANXA1 and its receptors FPR1/2 in exerting LeishEXO’s effects.

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