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Effects of Short Duration Overpressure on Astrocytes: An In Vitro Study

[+] Author Affiliations
Lai Yee Leung, Pamela J. VandeVord, Warren Hardy, Roche De Guzman, King H. Yang, Albert I. King

Wayne State University, Detroit, MI

Paper No. SBC2007-176202, pp. 597-598; 2 pages
doi:10.1115/SBC2007-176202
From:
  • ASME 2007 Summer Bioengineering Conference
  • ASME 2007 Summer Bioengineering Conference
  • Keystone, Colorado, USA, June 20–24, 2007
  • Conference Sponsors: Bioengineering Division
  • ISBN: 0-7918-4798-5
  • Copyright © 2007 by ASME

abstract

Blast wave overpressure from detonations can injure physiological systems ‘silently.’ Experimental and clinical studies have revealed the damaging effects of shock waves on different physiological systems, such as ears, lungs and gastrointestinal tracts [1, 2]. Despite the improved helmet and body armor, many veterans returning from wars suffered from neurological disorders that are being diagnosed as mild traumatic brain injury. Warden (2006) reported that most of these veterans were exposed to blast [3]. In vivo study illustrated neuronal degeneration in the brain after exposure to blast waves [4]. As with many neuronal diseases, blast-induced neuronal injury may be related to microglia and astrocyte activation. However, the underlying mechanism is not clearly understood. This study was aimed at investigating the effects of short duration overpressure on astrocytes, in terms of cell proliferation and mRNA expression of several apoptotic genes and glial fibrillary acidic protein (GFAP).

Copyright © 2007 by ASME

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