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Lateral distribution of intramembrane particles in Purkinje and granule cells of the rat cerebellar cortex

Authors
Journal
Neuroscience Letters
0304-3940
Publisher
Elsevier
Publication Date
Volume
48
Issue
1
Identifiers
DOI: 10.1016/0304-3940(84)90285-4
Keywords
  • Intramembrane Particles
  • Freeze-Fracture
  • Membrane
  • Cerebellum
  • Purkinje Cell
  • Granule Cell
  • Rat
Disciplines
  • Biology

Abstract

Abstract The lateral distribution of intramembrane protein particles (IMP) in the plasma membrane of Purkinje and granule cells was quantitatively assessed in freeze-fracture replicas of the rat cerebellar cortex. In the plasma membrane of each cell type this technique showed domains with statistically significant differences in the distribution of IMP. The values were highly reproducible between different animals fixed in comparable conditions. This analysis provides an additional parameter (besides the number and size of IMP) in the assessment of neuronal membrane heterogeneity.

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