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Targeted drug delivery in pulmonary therapy based on adhesion and transmission of nanocarriers designed with a metal–organic framework

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Abstract

With the recent increase in lung diseases, especially with the onset of the coronavirus pandemic, the design of a highly efficient and optimal targeted drug delivery system for the lungs is crucial in inhaler-based delivery systems. This study aimed to design a magnetic field-assisted targeted drug delivery system to the lungs using three types of metal–organic frameworks (MOFs) and nanoliposomes. The optimization of the system was based on three main parameters: the surface density of the nanocarriers' (NCs) adherence to each of the lung branches, the amount of drug transferred to each branch, and the toxicity based on the rate of nanocarrier delivery to the branches. The study investigated the effect of increasing the diameter of the drug carriers and the amount of drug loaded onto the NCs in improving drug delivery to targeted areas of the lung. Results showed that the presence of a magnetic field significantly increased the adhesion of NCs to the targeted branches. The application of a magnetic field and the type of drug carrier had a significant effect on drug delivery downstream of the lung and reduced drug toxicity. The study found that Fe3O4@UiO-66 (iron-oxide nanoparticle attached to the surface of UiO-66, a type of MOF) and Fe3O4@PAA/AuNCs/ZIF-8 carriers, (iron-oxide nanoparticle attached to a hybrid structure composed of three different materials: poly (acrylic acid) (PAA), gold nanoclusters (AuNCs), and zeolitic imidazolate framework-8 (ZIF-8)), had the greatest drug delivery rate in diameters above 200 nm and less than 200 nm, respectively.

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Acknowledgements

The authors declare that they have no known competing for financial interests or personal relationships that could have influenced the work reported in this paper.

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The authors have no relevant affiliations or financial involvement with any organization or entity with a financial interest in or financial conflict with the subject matter or materials discussed in the manuscript.

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HR initiated the idea, designed the simulations, analyzed the data, ran the simulations, wrote the paper, and revised the paper; AF designed the simulations, analyzed the data, wrote the paper, and revised the paper; MR ran the simulations and wrote the paper.

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Correspondence to Amirhamzeh Farajollahi.

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Ranjbar, H., Farajollahi, A. & Rostami, M. Targeted drug delivery in pulmonary therapy based on adhesion and transmission of nanocarriers designed with a metal–organic framework. Biomech Model Mechanobiol 22, 2153–2170 (2023). https://doi.org/10.1007/s10237-023-01756-9

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  • DOI: https://doi.org/10.1007/s10237-023-01756-9

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