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Imaging E-selectin expression following traumatic brain injury in the rat using a targeted USPIO contrast agent.

Abstract : INTRODUCTION: The aim of this work was to map E-selectin expression in a traumatic brain injury model using a newly-designed MR contrast agent. Iron cores, responsible for susceptibility effects and therefore used as T2* contrast agents, need to be coated in order to be stabilized and need to be targeted to be useful. METHODS: We have designed a molecule coating composed, at one end, of bisphosphonate to ensure anchorage of the coating on the iron core and, at the other end, of Fukuda's defined heptapeptide known to target selectin binding sites. CONCLUSION: The synthesized nanoparticles were able to non-invasively target the traumatic brain lesion, inducing a specific T2* decrease of about 25% up to at least 70 min post-injection of the targeted contrast agent.
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https://www.hal.inserm.fr/inserm-00353311
Contributor : Laurent Lemaire <>
Submitted on : Monday, January 4, 2010 - 10:43:09 AM
Last modification on : Wednesday, May 20, 2020 - 4:38:09 PM
Long-term archiving on: : Tuesday, June 8, 2010 - 8:14:51 PM

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Catherine Chapon, Florence Franconi, Franck Lacoeuille, François Hindré, Patrick Saulnier, et al.. Imaging E-selectin expression following traumatic brain injury in the rat using a targeted USPIO contrast agent.. Magnetic Resonance Materials in Physics, Biology and Medicine, Springer Verlag, 2009, 22 (3), pp.167-74. ⟨10.1007/s10334-008-0161-z⟩. ⟨inserm-00353311⟩

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