Journal
CHEMISTRY-A EUROPEAN JOURNAL
Volume 27, Issue 27, Pages 7471-7488Publisher
WILEY-V C H VERLAG GMBH
DOI: 10.1002/chem.202005257
Keywords
calcium phosphate; drug delivery; gene therapy; nanomedicine; nanoparticles
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Funding
- Deutsche Forschungsgemeinschaft (DFG) of the Collaborative Research Center [SFB/CRC 1093]
- Projekt DEAL
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Calcium phosphate nanoparticles, due to their similarity to human hard tissue, have high biocompatibility and biodegradability, making them efficient carriers for various biomolecules. They can be functionalized with fluorescing dyes for imaging, and find applications in transfection, gene silencing, imaging, immunization, and bone substitution.
Calcium phosphate nanoparticles have a high biocompatibility and biodegradability due to their chemical similarity to human hard tissue, for example, bone and teeth. They can be used as efficient carriers for different kinds of biomolecules such as nucleic acids, proteins, peptides, antibodies, or drugs, which alone are not able to enter cells where their biological effect is required. They can be loaded with cargo molecules by incorporating them, unlike solid nanoparticles, and also by surface functionalization. This offers protection, for example, against nucleases, and the possibility for cell targeting. If such nanoparticles are functionalized with fluorescing dyes, they can be applied for imaging in vitro and in vivo. Synthesis, functionalization and cell uptake mechanisms of calcium phosphate nanoparticles are discussed together with applications in transfection, gene silencing, imaging, immunization, and bone substitution. Biodistribution data of calcium phosphate nanoparticles in vivo are reviewed.
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