Cited by 416Redox biology and oxidative stressFree Radicals and AntioxidantsOxidative Organic Chemistry Reactions

Potential oxidative pathways of brain catecholamines

Tse, Daniel C. S., McCreery, Richard L., Adams, Ralph N.·1976·Journal of Medicinal Chemistry

Abstract

The possibility that catecholamines can be oxidized via aberrant pathways in vivo is open to question, but in vitro oxidation via aerobic manipulations is established. Assuming oxidation does occur, we have examined quantitatively the fast chemical reactions of the initial oxidation products, the o-quinones. The nature and rates of these reactions were studies under the conditions simulating closely those which presumably exist in mammalian brain. The results are in close accord with existing literature and especially support oxidation pathways recently reported in [3H]-norepinephrine binding to particulate cell fractions.

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Crossref · 10.1021/jm00223a008

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  • When iron is present in the cytosol, dopamine can be oxidized into dopamine quinone (DAQ), which is highly reactive and toxic.

    “When iron is present in the cytosol (as may occur more frequently with ageing)265,266, dopamine can be oxidized into dopamine quinone (DAQ), which is highly reactive and toxic267,268.”

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Authors
Tse, D. C. S., McCreery, R. L., & Adams, R. N.
Venue
Journal of Medicinal Chemistry
Published
1976-01
Volume
19
Issue
1
Pages
37-40
ISSN
  • 0022-2623 (ISSN-L)
  • 1520-4804
OpenAlex
W2008158988
Cited by
415
References
0
Citations by year
2026: 2 · 2025: 6 · 2024: 9 · 2023: 4 · 2022: 20 · 2021: 15 · 2020: 6 · 2019: 16 · 2018: 15 · 2017: 11 · 2016: 20 · 2015: 14 · 2014: 10 · 2013: 10 · 2012: 10
FWCI
0.93
Type
journal article
Language
en
Open access
closed
Locations
  • Journal of Medicinal Chemistry (publishedVersion)
  • PubMed (publishedVersion)
Topics
  • Life Sciences › Biochemistry, Genetics and Molecular Biology › Molecular Biology › Redox biology and oxidative stress
  • Physical Sciences › Chemistry › Organic Chemistry › Free Radicals and Antioxidants
  • Physical Sciences › Chemistry › Organic Chemistry › Oxidative Organic Chemistry Reactions
Keywords
catecholamines, oxidative metabolism, o-quinones, norepinephrine, brain, in vitro oxidation, reaction kinetics
MeSH terms
Ascorbic Acid, Brain, Catecholamines, Cyclization, Dopamine, Electrochemistry, Glutathione, Kinetics, Oxidation-Reduction, Quinones, In Vitro Techniques

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