Karen Álvarez, Jennifer T Cruz, Luis F Giraldo, Víctor H Orozco, Gloria Vásquez, Mauricio Rojas-López
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Pluronic F127/lecithin PLGA nanoparticles as carriers of monocyte-targeted jakinibs: a potential therapeutic platform.
Aim: In this study, PLGA nanoparticles (PNPs) emulsified in Pluronic F127 (F127)/Lecithin (LEC) were designed to load Itacitinib (ITA), a selective JAK1 inhibitor, for targeting human monocytes.Materials & methods: The physicochemical characteristics of empty and ITA-loaded F127/LEC PNPs were analyzed. The binding and internalization of NPs in leukocytes were evaluated. The effect of NPs on monocyte activation and JAK1 inhibition was assessed.Results: F127/LEC PNPs were selectively bound and internalized by monocytes, sparing other leukocytes. ITA-F127/LEC PNPs significantly dampened monocyte activation. They also inhibited the monocyte's ability to promote T-cell proliferation and inhibited proinflammatory cytokine production.Conclusion: ITA-loaded F127/LEC PNPs showed potential for monocyte-targeted therapy, offering new avenues for disease treatment.
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