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Patterning and detailed study of human hNT astrocytes on parylene-C/silicon dioxide substrates to the single cell level

Unsworth, C. P., Holloway, H., Delivopoulos, E., Murray, A. F., Simpson, M. C., Dickinson, M. E. and Graham, E. S. (2011) Patterning and detailed study of human hNT astrocytes on parylene-C/silicon dioxide substrates to the single cell level. Biomaterials, 32 (27). pp. 6541-6550. ISSN 0142-9612

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To link to this item DOI: 10.1016/j.biomaterials.2011.05.041

Abstract/Summary

It is estimated that the adult human brain contains 100 billion neurons with 5–10 times as many astrocytes. Although it has been generally considered that the astrocyte is a simple supportive cell to the neuron, recent research has revealed new functionality of the astrocyte in the form of information transfer to neurons of the brain. In our previous work we developed a protocol to pattern the hNT neuron (derived from the human teratocarcinoma cell line (hNT)) on parylene-C/SiO2 substrates. In this work, we report how we have managed to pattern hNT astrocytes, on parylene-C/SiO2 substrates to single cell resolution. This article disseminates the nanofabrication and cell culturing steps necessary for the patterning of such cells. In addition, it reports the necessary strip lengths and strip width dimensions of parylene-C that encourage high degrees of cellular coverage and single cell isolation for this cell type. The significance in patterning the hNT astrocyte on silicon chip is that it will help enable single cell and network studies into the undiscovered functionality of this interesting cell, thus, contributing to closer pathological studies of the human brain.

Item Type:Article
Refereed:Yes
Divisions:Faculty of Life Sciences > School of Biological Sciences > Department of Bio-Engineering
ID Code:33917
Uncontrolled Keywords:Cell patterning, hNT; Astrocyte, Glia, parylene-c, Brain cell
Publisher:Elsevier

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