期刊
CELLS
卷 11, 期 6, 页码 -出版社
MDPI
DOI: 10.3390/cells11061026
关键词
lipoplex; mRNA; nanoparticles; cancer; tumor targeting; tumor models; in vitro in vivo correlation (IVIVC)
类别
资金
- German Federal Ministry of Education and Research (BMBF), Innovation Partnership [03FH8I02IA, 13FH8I05lA]
This study investigates the delivery of mRNA through lipoplex nanoparticles to melanoma spheroid cell culture models. The results demonstrate that the distribution and transfection efficiency of mRNA nanoparticles can be modulated by coculturing different cell types and through three-dimensional cell growth characteristics.
Cancer therapy is an emergent application for mRNA therapeutics. While in tumor immunotherapy, mRNA encoding for tumor-associated antigens is delivered to antigen-presenting cells in spleen and lymph nodes, other therapeutic options benefit from immediate delivery of mRNA nanomedicines directly to the tumor. However, tumor targeting of mRNA therapeutics is still a challenge, since, in addition to delivery of the cargo to the tumor, specifics of the targeted cell type as well as its interplay with the tumor microenvironment are crucial for successful intervention. This study investigated lipoplex nanoparticle-mediated mRNA delivery to spheroid cell culture models of melanoma. Insights into cell-type specific targeting, non-cell-autonomous effects, and penetration capacity in tumor and stroma cells of the mRNA lipoplex nanoparticles were obtained. It was shown that both coculture of different cell types as well as three-dimensional cell growth characteristics can modulate distribution and transfection efficiency of mRNA lipoplex formulations. The results demonstrate that three-dimensional coculture spheroids can provide a valuable surplus of information in comparison to adherent cells. Thus, they may represent in vitro models with enhanced predictivity for the in vivo activity of cancer nanotherapeutics.
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