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|Title:||Topography of c-fos immunoreactivity in an ovine head impact model|
|Citation:||Journal of Clinical Neuroscience, 2005; 12(7):799-803|
|Abstract:||Cortical neuronal and glial c-fos immunoreactivity has been demonstrated in experimental and human brain injury. c-fos is one of the immediate early genes important in signal transduction linking environmental stimuli to the cellular genome. c-fos immunoreactivity was semi-quantitated in a head impact sheep model using a grid system applied to standard coronal brain sections obtained from 12 impacted and 4 control sheep. Substantial glial and neuronal c-fos immunoreactivity was present in the pericontusional (penumbra) region, but was absent or minimal in the core of the contusion. Apart from these focal changes, c-fos immunoreactivity was diffusely distributed, with greater involvement in the cerebrum on the side of impact. In the cerebellum, Bergmann glia showed prominent c-fos immunoreactivity, while Purkinje cells were consistently immunonegative. c-fos immunoreactivity varied in different regions of the brain (focal and diffuse patterns) in this ovine head impact model.|
|Keywords:||Temporal Lobe; Animals; Sheep; Brain Injuries; Disease Models, Animal; Proto-Oncogene Proteins c-fos; Immunohistochemistry; Time Factors|
|Appears in Collections:||Pathology publications|
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