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The use of doxycycline as a protectant against sulphur mustard in HaCaT cells

✍ Scribed by Christopher D. Lindsay; Edgar Gentilhomme; Jacques D. Mathieu

Publisher
John Wiley and Sons
Year
2008
Tongue
English
Weight
281 KB
Volume
28
Category
Article
ISSN
0260-437X

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✦ Synopsis

Abstract

As part of an ongoing programme on medical countermeasures against the chemical warfare agent sulphur mustard (HD) and set against the background of the involvement of matrix metalloproteinases (MMPs) in the pathology of HD‐induced vesication processes, the potentially beneficial effects of doxycycline on cell attachment was determined in confluent HaCaT cell cultures exposed to HD. Doxycycline was found to inhibit to a significant extent the tendency of HD‐exposed cells to detach from the growth substrate, however, analysis of the metabolic activity of the adherent cells indicated that doxycycline treatment did not maintain cell viability. It was confirmed that apoptosis was the predominant mode of HD‐induced cell death. The results suggested that doxycycline and other MMP inhibitors may have a role to play in therapeutic intervention against HD exposure, but only as part of a combination therapy. The specific value of protease inhibitors in this capacity remains to be determined. Copyright © 2007 John Wiley & Sons, Ltd., and © Crown Copyright 2007, reproduced with the permission of the Controller of HMSO.

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