Cited by 314Cholinesterase and Neurodegenerative DiseasesAlzheimer's disease research and treatmentsNeuroscience and Neuropharmacology Research

Widely spread butyrylcholinesterase can hydrolyze acetylcholine in the normal and Alzheimer brain

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Mesulam, Marsel, Guillozet, Angela, Shaw, Pamela, Quinn, Bruce·2002·Neurobiology of Disease

Abstract

Background Butyrylcholinesterase (BChE), also known as the "pseudo" or "non-neuronal" cholinesterase, is traditionally thought to have a restricted CNS distribution and to play little, if any, role in cholinergic transmission.Objective To reanalyze the role of BChE in the human brain with more sensitive methodology.Methods Three brains were examined with acetylcholinesterase and BChE histochemistry. The sections were examined with bright- and dark-field microscopy.Results The histochemical parameters used in the present experiments showed that BChE activity was present in all hippocampal and temporal neocortical areas known to receive cholinergic input. At all of these locations, the BChE enzyme could hydrolyze the acetylcholine surrogate acetylthiocholine. A substantial portion of the hippocampal and neocortical BChE appeared to be located within neuroglia and their processes.Conclusions Butyrylcholinesterase may have a greater role in cholinergic transmission than previously surmised, making BChE inhibition an important therapeutic goal in Alzheimer's disease. The results also suggest that the role of neuroglia in cholinergic transmission may be analogous to their well known role in glutamatergic transmission.

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Crossref · 10.1006/nbdi.2001.0462

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Authors
Mesulam, M., Guillozet, A., Shaw, P., & Quinn, B.
Affiliations
Northwestern University (US)
Venue
Neurobiology of Disease
Publisher
Elsevier BV
Published
2002-02
Volume
9
Issue
1
Pages
88-93
ISSN
0969-9961 (ISSN-L)
OpenAlex
W2039595489
Cited by
314
References
20
Citations by year
2026: 9 · 2025: 25 · 2024: 17 · 2023: 14 · 2022: 20 · 2021: 21 · 2020: 14 · 2019: 9 · 2018: 16 · 2017: 14 · 2016: 18 · 2015: 8 · 2014: 5 · 2013: 9 · 2012: 11
FWCI
9.49
Type
journal article
Language
en
Open access
Locations
  • Neurobiology of Disease (publishedVersion)
  • PubMed (publishedVersion)
  • DOAJ (DOAJ: Directory of Open Access Journals) (submittedVersion, cc-by-sa)
Funders
  • Exelon Corporation
  • National Institutes of Health (5r01ns020285-15)
  • National Institute on Aging (AG13854, P30AG013854)
  • National Institute of Neurological Disorders and Stroke (NS 20285)
Topics
  • Health Sciences › Medicine › Pharmacology › Cholinesterase and Neurodegenerative Diseases
  • Health Sciences › Medicine › Physiology › Alzheimer's disease research and treatments
  • Life Sciences › Neuroscience › Cellular and Molecular Neuroscience › Neuroscience and Neuropharmacology Research
Keywords
butyrylcholinesterase, acetylcholine hydrolysis, acetylthiocholine, cholinergic neurotransmission, Alzheimer's disease, hippocampus, neocortex, glial cells, enzyme histochemistry, cholinesterase inhibition
MeSH terms
Acetylcholine, Acetylcholinesterase, Adult, Aged, Aged, 80 and over, Aging, Alzheimer Disease, Butyrylcholinesterase, Cholinergic Fibers, Female, Hippocampus, Humans, Hydrolysis, Neuroglia, Temporal Lobe

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