Aim: To develop biocompatible and bioresorbable negatively charged calcium phosphate nanoparticles (CaP-NPs) as an innovative therapeutic system for the delivery of bioactive molecules to the heart. Materials & methods: CaP-NPs were synthesized via a straightforward one-pot biomineralization-inspired protocol employing citrate as a stabilizing agent and regulator of crystal growth. CaP-NPs were administered to cardiac cells in vitro and effects of treatments were assessed. CaP-NPs were administered in vivo and delivery of microRNAs was evaluated. Results: CaP-NPs efficiently internalized into cardiomyocytes without promoting toxicity or interfering with any functional properties. CaP-NPs successfully encapsulated synthetic microRNAs, which were efficiently delivered into cardiac cells in vitro and in vivo. Conclusion: CaP-NPs are a safe and efficient drug-delivery system for potential therapeutic treatments of polarized cells such as cardiomyocytes.
Bioinspired negatively charged calcium phosphate nanocarriers for cardiac delivery of MicroRNAs / Di Mauro, Vittoria; Iafisco, Michele; Salvarani, Nicolo'; Vacchiano, Marco; Carullo, Pierluigi; Ramírez Rodríguez, Gloria Belén; Patrício, Tatiana; Tampieri, Anna; Miragoli, Michele; Catalucci, Daniele. - In: NANOMEDICINE. - ISSN 1743-5889. - 11:8(2016), pp. 891-906. [10.2217/nnm.16.26]
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