Tumour-on-a-chip provides an optical window into nanoparticle tissue transport

Tumour-on-a-chip provides an optical window into nanoparticle tissue transport. Albanese, A., Lam, A. K., Sykes, E. A., Rocheleau, J. V., & Chan, W. C. W. Nat Commun, 4(1):2718, October, 2013. Bandiera_abtest: a Cg_type: Nature Research Journals Number: 1 Primary_atype: Research Publisher: Nature Publishing Group Subject_term: Microfluidics;Nanoscale materials;Nanotechnology in cancer Subject_term_id: microfluidics;nanoscale-materials;nanotechnology-in-cancer

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Tumour-on-a-chip provides an optical window into nanoparticle tissue transport [pdf]

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Nanomaterials are used for numerous biomedical applications, but the selection of optimal properties for maximum delivery remains challenging. Thus, there is a significant interest in elucidating the nano–bio interactions underlying tissue accumulation. To date, researchers have relied on cell culture or animal models to study nano–bio interactions. However, cell cultures lack the complexity of biological tissues and animal models are prohibitively slow and expensive. Here we report a tumour-on-a-chip system where incorporation of tumour-like spheroids into a microfluidic channel permits real-time analysis of nanoparticle (NP) accumulation at physiological flow conditions. We show that penetration of NPs into the tissue is limited by their diameter and that retention can be improved by receptor targeting. NP transport is predominantly diffusion-limited with convection improving accumulation mostly at the tissue perimeter. A murine tumour model confirms these findings and demonstrates that the tumour-on-a-chip can be useful for screening optimal NP designs prior to in vivo studies.

@article{albanese_tumour---chip_2013,
	title = {Tumour-on-a-chip provides an optical window into nanoparticle tissue transport},
	volume = {4},
	copyright = {2013 Nature Publishing Group, a division of Macmillan Publishers Limited. All Rights Reserved.},
	issn = {2041-1723},
	url = {https://www.nature.com/articles/ncomms3718},
	doi = {10.1038/ncomms3718},
	abstract = {Nanomaterials are used for numerous biomedical applications, but the selection of optimal properties for maximum delivery remains challenging. Thus, there is a significant interest in elucidating the nano–bio interactions underlying tissue accumulation. To date, researchers have relied on cell culture or animal models to study nano–bio interactions. However, cell cultures lack the complexity of biological tissues and animal models are prohibitively slow and expensive. Here we report a tumour-on-a-chip system where incorporation of tumour-like spheroids into a microfluidic channel permits real-time analysis of nanoparticle (NP) accumulation at physiological flow conditions. We show that penetration of NPs into the tissue is limited by their diameter and that retention can be improved by receptor targeting. NP transport is predominantly diffusion-limited with convection improving accumulation mostly at the tissue perimeter. A murine tumour model confirms these findings and demonstrates that the tumour-on-a-chip can be useful for screening optimal NP designs prior to in vivo studies.},
	language = {en},
	number = {1},
	urldate = {2021-11-06},
	journal = {Nat Commun},
	author = {Albanese, Alexandre and Lam, Alan K. and Sykes, Edward A. and Rocheleau, Jonathan V. and Chan, Warren C. W.},
	month = oct,
	year = {2013},
	note = {Bandiera\_abtest: a
Cg\_type: Nature Research Journals
Number: 1
Primary\_atype: Research
Publisher: Nature Publishing Group
Subject\_term: Microfluidics;Nanoscale materials;Nanotechnology in cancer
Subject\_term\_id: microfluidics;nanoscale-materials;nanotechnology-in-cancer},
	keywords = {Microfluidics, Nanoscale materials, Nanotechnology in cancer},
	pages = {2718},
	file = {Full Text PDF:files/2048/Albanese et al. - 2013 - Tumour-on-a-chip provides an optical window into n.pdf:application/pdf;Snapshot:files/2051/ncomms3718.html:text/html},
	url_Paper = {https://inbs.med.utoronto.ca/wp-content/uploads/2020/08/ncomms3718.pdf}
}

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