Neocortical neuronal subpopulations labeled by a monoclonal antibody to calbindin exhibit differential vulnerability in Alzheimer's disease

Patrick R. Hof, John Morrison

Research output: Contribution to journalArticle

148 Citations (Scopus)

Abstract

Numerous studies have demonstrated that specific neuronal subtypes display a differential vulnerability to the pathological process in Alzheimer's disease. Large pyramidal neurons are likely to be highly vulnerable, whereas smaller neurons are more resistant to pathology. Using a monoclonal antibody to the calcium-binding protein calbindin, we observed in the human prefrontal cortex distinct populations of labeled cells. First, a subset of heavily stained interneurons was located in layers II and superficial III and in layers V-VI. Second, a subpopulation of pyramidal neurons in the mid and deep parts of layer III displayed a less intense, punctate staining pattern. The interneurons in the superficial layers were unaffected in the Alzheimer's disease cases. Interestingly, in layers V-VI, there was significant cell loss in the interneuron population, but only in the Alzheimer's disease cases with high neurofibrillary tangle densities. The calbindin-immunoreactive pyramidal neurons of layer III were dramatically affected in the disease. Moreover, there was a strong correlation between the extent of the loss of these cells and neurofibrillary tangle counts. These data suggest that calbindin is present in multiple neuronal subpopulations that exhibit a differential vulnerability in Alzheimer's disease and support the hypothesis that the degenerative process involves specific neuronal subsets with particular anatomical and molecular profiles.

Original languageEnglish (US)
Pages (from-to)293-301
Number of pages9
JournalExperimental Neurology
Volume111
Issue number3
DOIs
StatePublished - Jan 1 1991
Externally publishedYes

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Calbindins
Pyramidal Cells
Alzheimer Disease
Interneurons
Monoclonal Antibodies
Neurofibrillary Tangles
Calcium-Binding Proteins
Pathologic Processes
Prefrontal Cortex
Population
Pathology
Staining and Labeling
Neurons

ASJC Scopus subject areas

  • Neurology
  • Developmental Neuroscience

Cite this

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abstract = "Numerous studies have demonstrated that specific neuronal subtypes display a differential vulnerability to the pathological process in Alzheimer's disease. Large pyramidal neurons are likely to be highly vulnerable, whereas smaller neurons are more resistant to pathology. Using a monoclonal antibody to the calcium-binding protein calbindin, we observed in the human prefrontal cortex distinct populations of labeled cells. First, a subset of heavily stained interneurons was located in layers II and superficial III and in layers V-VI. Second, a subpopulation of pyramidal neurons in the mid and deep parts of layer III displayed a less intense, punctate staining pattern. The interneurons in the superficial layers were unaffected in the Alzheimer's disease cases. Interestingly, in layers V-VI, there was significant cell loss in the interneuron population, but only in the Alzheimer's disease cases with high neurofibrillary tangle densities. The calbindin-immunoreactive pyramidal neurons of layer III were dramatically affected in the disease. Moreover, there was a strong correlation between the extent of the loss of these cells and neurofibrillary tangle counts. These data suggest that calbindin is present in multiple neuronal subpopulations that exhibit a differential vulnerability in Alzheimer's disease and support the hypothesis that the degenerative process involves specific neuronal subsets with particular anatomical and molecular profiles.",
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