Moderate loss of cerebellar Purkinje cells after chronic bilateral common carotid artery occlusion in rats

Orsolya Kántor, Christoph Schmitz, Judith Feiser, Ivona Brasnjevic, Hubert Korr, Raul Busto, Myron D. Ginsberg, Rainald Schmidt-Kastner

Research output: Contribution to journalArticle

13 Scopus citations

Abstract

Pathological effects of moderate ischemia (oligemia, hypoperfusion) are relevant in relation to vascular factors in dementia. Chronic bilateral common carotid artery occlusion (BCCAO) in adult Wistar rats induces oligemia and leads to acute changes in gene expression, subacute changes in cortical astrocytes and prolonged changes in white matter tracts, while largely sparing neurons in the forebrain areas. Dilation and remodeling of the basilar artery ensures blood flow to the forebrain. The present study examined the hypoxia-sensitive Purkinje cells in the cerebellum after 6 months of BCCAO using conventional neuropathological analysis, immunohistochemistry and high-precision design-based stereologic methods. Purkinje cells in the vermis region revealed abnormally shaped nuclei. A stereologic analysis showed that the mean total number of Purkinje cells within the vermis was statistically significantly smaller in the BCCAO animals than in the control animals (d = 11.8%; P < 0.0001). BCCAO had no significant effect on the mean volumes of the molecular layer, granule cell layer and white matter in the vermis or the entire cerebellum. Remodeling of the basilar artery indicated that secondary vascular perturbations might be responsible for the effects of BCCAO on the cerebellar Purkinje cells.

Original languageEnglish (US)
Pages (from-to)549-558
Number of pages10
JournalActa neuropathologica
Volume113
Issue number5
DOIs
StatePublished - May 1 2007

Keywords

  • Cerebellum
  • Ischemia
  • Stereology
  • Vascular dementia

ASJC Scopus subject areas

  • Clinical Neurology
  • Pathology and Forensic Medicine
  • Neuroscience(all)

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    Kántor, O., Schmitz, C., Feiser, J., Brasnjevic, I., Korr, H., Busto, R., Ginsberg, M. D., & Schmidt-Kastner, R. (2007). Moderate loss of cerebellar Purkinje cells after chronic bilateral common carotid artery occlusion in rats. Acta neuropathologica, 113(5), 549-558. https://doi.org/10.1007/s00401-007-0204-y