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- Title
Activity of Apo-Lactoferrin on Pathogenic Protozoa.
- Authors
Reyes-López, Magda; Ramírez-Rico, Gerardo; Serrano-Luna, Jesús; de la Garza, Mireya
- Abstract
Parasites and other eventually pathogenic organisms require the ability to adapt to different environmental conditions inside the host to assure survival. Some host proteins have evolved as defense constituents, such as lactoferrin (Lf), which is part of the innate immune system. Lf in its iron-free form (apo-Lf) and its peptides obtained by cleavage with pepsin are microbicides. Parasites confront Lf in mucosae and blood. In this work, the activity of Lf against pathogenic and opportunistic parasites such as Cryptosporidium spp., Eimeria spp., Entamoeba histolytica, Giardia duodenalis, Leishmania spp., Trypanosoma spp., Plasmodium spp., Babesia spp., Toxoplasma gondii, Trichomonas spp., and the free-living but opportunistic pathogens Naegleria fowleri and Acanthamoeba castellani were reviewed. The major effects of Lf could be the inhibition produced by sequestering the iron needed for their survival and the production of oxygen-free radicals to more complicated mechanisms, such as the activation of macrophages to phagocytes with the posterior death of those parasites. Due to the great interest in Lf in the fight against pathogens, it is necessary to understand the exact mechanisms used by this protein to affect their virulence factors and to kill them.
- Subjects
PATHOGENIC protozoa; CRYPTOSPORIDIUM; TOXOPLASMA gondii; NAEGLERIA fowleri; ENTAMOEBA histolytica; LACTOFERRIN
- Publication
Pharmaceutics, 2022, Vol 14, Issue 8, p1702
- ISSN
1999-4923
- Publication type
Article
- DOI
10.3390/pharmaceutics14081702