Immunocytochemical demonstration of axonal and perikaryal acetylcholinesterase in human cerebral cortex

M. M. Mesulam, C. Geula, R. Cosgrove, Deborah C Mash, S. Brimijoin

Research output: Contribution to journalArticle

22 Citations (Scopus)

Abstract

The adult human neocortex contains a dense net of axons and perikarya which yield an acetylcholinesterase-rich enzymatic reaction pattern in histochemical experiments. We employed a monoclonal antibody to human acetylcholinesterase and a method for the concurrent visualization of histochemical and immunohistochemical reaction-products to explore the relationship between immunological and enzymatic markers of acetylcholinesterase. We observed that the cortical axons and perikarya with a histochemically determined acetylcholinesterase-rich enzymatic activity also contain acetylcholinesterase-like immunoreactivity. This was especially informative for the intracortical acetylcholinesterase-rich perikarya of layers III and V since these neurons require prolonged incubations for histochemical detection and since they are not conspicuous in other animal species. The availability of a reliable immunohistochemical method makes it possible to investigate the distribution of the acetylcholinesterase enzyme molecule independent of its enzymatic activity.

Original languageEnglish
Pages (from-to)233-238
Number of pages6
JournalBrain Research
Volume539
Issue number2
DOIs
StatePublished - Jan 25 1991

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Acetylcholinesterase
Cerebral Cortex
Axons
Neocortex
Monoclonal Antibodies
Neurons
Enzymes

Keywords

  • Acetylcholinesterase
  • Human cortex
  • Immunocytochemistry
  • Neuronal acetylcholinesterase

ASJC Scopus subject areas

  • Developmental Biology
  • Molecular Biology
  • Clinical Neurology
  • Neuroscience(all)

Cite this

Immunocytochemical demonstration of axonal and perikaryal acetylcholinesterase in human cerebral cortex. / Mesulam, M. M.; Geula, C.; Cosgrove, R.; Mash, Deborah C; Brimijoin, S.

In: Brain Research, Vol. 539, No. 2, 25.01.1991, p. 233-238.

Research output: Contribution to journalArticle

Mesulam, M. M. ; Geula, C. ; Cosgrove, R. ; Mash, Deborah C ; Brimijoin, S. / Immunocytochemical demonstration of axonal and perikaryal acetylcholinesterase in human cerebral cortex. In: Brain Research. 1991 ; Vol. 539, No. 2. pp. 233-238.
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