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Penetration and intracellular uptake of poly(glycerol-adipate)nanoparticles into 3-dimensional brain tumour cell culture models

Meng, Weina; Garnett, Martin C.; Walker, David A.; Parker, Terence L.

Authors

Weina Meng

Martin C. Garnett

David A. Walker

Terence L. Parker



Abstract

Nanoparticle (NP) drug delivery systems may potentially enhance the efficacy of therapeutic agents. It is difficult to characterise many important properties of NPs in vivo and therefore attempts have been made to use realistic in vitro multicellular spheroids instead. In this paper we have evaluated poly(glycerol-adipate) (PGA) NPs as a potential drug carrier for local brain cancer therapy. Various 3-dimensional (3-D) cell culture models have been used to investigate the delivery properties of PGA NPs. Tumour cells in 3-D culture showed a much higher level of endocytic uptake of NPs than a mixed normal neonatal brain cell population. Differences in endocytic uptake of NPs in 2-D and 3-D models strongly suggest that it is very important to use in vitro 3-D cell culture models for evaluating this parameter. Tumour penetration of NPs is another important parameter which could be studied in 3-D cell models. The penetration of PGA NPs through 3-D cell culture varied between models, which will therefore require further study to develop useful and realistic in vitro models. Further use of 3-D cell culture models will be of benefit in the future development of new drug delivery systems, particularly for brain cancers which are more difficult to study in vivo.

Citation

Meng, W., Garnett, M. C., Walker, D. A., & Parker, T. L. (2016). Penetration and intracellular uptake of poly(glycerol-adipate)nanoparticles into 3-dimensional brain tumour cell culture models. Experimental Biology and Medicine, 241(5), https://doi.org/10.1177/1535370215610441

Journal Article Type Article
Publication Date Mar 1, 2016
Deposit Date Feb 18, 2016
Publicly Available Date Mar 1, 2016
Journal Experimental Biology and Medicine
Print ISSN 1535-3702
Electronic ISSN 1535-3702
Publisher SAGE Publications
Peer Reviewed Peer Reviewed
Volume 241
Issue 5
DOI https://doi.org/10.1177/1535370215610441
Keywords Bionanoscience, Polymer Nanoparticles, Brain, Tumor models.
Public URL https://nottingham-repository.worktribe.com/output/977901
Publisher URL http://ebm.sagepub.com/content/241/5/466

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