Evaluating primary blast effects in vitro
Author(s)
Logan, N
Arora, H
Higgins, C
Type
Journal Article
Abstract
Exposure to blast events can cause severe trauma to vital organs such as the lungs, ears, and brain. Understanding the mechanisms behind such blast-induced injuries is of great importance considering the recent trend towards the use of explosives in modern warfare and terrorist-related incidents. To fully understand blast-induced injury, we must first be able to replicate such blast events in a controlled environment using a reproducible method. In this technique using shock tube equipment, shock waves at a range of pressures can be propagated over live cells grown in 2D, and markers of cell viability can be immediately analyzed using a redox indicator assay and the fluorescent imaging of live and dead cells. This method demonstrated that increasing the peak blast overpressure to 127 kPa can stimulate a significant drop in cell viability when compared to untreated controls. Test samples are not limited to adherent cells, but can include cell suspensions, whole-body and tissue samples, through minor modifications to the shock tube setup. Replicating the exact conditions that tissues and cells experience when exposed to a genuine blast event is difficult. Techniques such as the one presented in this article can help to define damage thresholds and identify the transcriptional and epigenetic changes within cells that arise from shock wave exposure.
Date Issued
2017-09-18
Date Acceptance
2017-02-16
Citation
Jove-Journal of Visualized Experiments, 2017, 127
ISSN
1940-087X
Publisher
Journal of Visualized Experiments (JoVE)
Journal / Book Title
Jove-Journal of Visualized Experiments
Volume
127
Copyright Statement
Copyright © 2017 Journal of Visualized Experiments
Sponsor
Medical Research Council (MRC)
Grant Number
MR/M01858X/1
Publication Status
Published
Article Number
e55618