Antagonism of the interleukin-1 receptor following traumatic brain injury in the mouse reduces the number of nitric oxide synthase-2-positive cells and improves anatomical and functional outcomes
AuthorJones, NC; Prior, MJW; Burden-Teh, E; Marsden, CA; Morris, PG; Murphy, S
Source TitleEUROPEAN JOURNAL OF NEUROSCIENCE
University of Melbourne Author/sJones, Nigel
AffiliationMedicine - Royal Melbourne And Western Hospitals
Document TypeJournal Article
CitationsJones, N. C., Prior, M. J. W., Burden-Teh, E., Marsden, C. A., Morris, P. G. & Murphy, S. (2005). Antagonism of the interleukin-1 receptor following traumatic brain injury in the mouse reduces the number of nitric oxide synthase-2-positive cells and improves anatomical and functional outcomes. EUROPEAN JOURNAL OF NEUROSCIENCE, 22 (1), pp.72-78. https://doi.org/10.1111/j.1460-9568.2005.04221.x.
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C1 - Journal Articles Refereed
Interleukin (IL)-1beta plays an important role in the inflammatory response that results from traumatic brain injury and antagonism of the actions of this cytokine can affect outcome. We subjected male mice to aseptic cryogenic injury and assessed recovery through anatomical, histological and functional measures following treatment with recombinant mouse IL-1 receptor antagonist (IL-1ra). A single dose (1 microg, i.c.v.) at the time of injury reduced lesion volume 3 days later, as assessed by Nissl staining, and also the number (30%) of FluoroJade-positive degenerating neurones. Mice treated with IL-1ra performed better on the beam balance and in the grid test as compared with vehicle-treated animals. Furthermore, IL-1ra-treated animals showed fewer (40%) nitric oxide synthase-2-positive cells in and around the lesion. These data suggest that activation of the IL-1 receptor following trauma contributes to the pathology and that antagonism can reduce both anatomical and functional consequences of neuroinflammation.
KeywordsCentral Nervous System ; Nervous System and Disorders
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