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Conjugates of Catecholamines with Cysteine and GSH in Parkinson's Disease: Possible Mechanisms of Formation Involving Reactive Oxygen Species
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Abstract: Oxidation of l ‐3,4‐dihydroxyphenylalanine ( l ‐DOPA) and dopamine (DA) to generate semiquinones/quinones, oxygen radicals, and other reactive oxygen species may play a role in neuronal cell death in Parkinson's disease (PD). In particular, semiquinones/quinones can form conjugates with thiol compounds such as GSH and cysteine. Exposure of l ‐DOPA, DA, and other catecholamines to a system generating O 2 •− radical led to O 2 •− ‐dependent depletion of added GSH (or cysteine), accompanied by the formation of thiol‐DA or ‐DOPA adducts as detected by HPLC. Superoxide could additionally cause destruction of these adducts. Iron or copper ions could also promote conjugate formation between GSH or cysteine and DA and l ‐DOPA, especially if H 2 O 2 was present. We applied HPLC to measure glutathionyl and cysteinyl conjugates of l ‐DOPA, DA, and 3,4‐dihydroxyphenylacetic acid (DOPAC) in postmortem brain samples from PD patients and normal control subjects. Conjugates were detected in most brain areas examined, but levels were highest in the substantia nigra and putamen. In most regions, adduct levels were lower in PD, but there were significant increases in cysteinyl adducts of l ‐DOPA, DA, and DOPAC in PD substantia nigra, suggesting that acceleration of l ‐DOPA/DA oxidation occurs in PD, although we cannot say if this is a primary feature of the disease or if it is related to therapy with l ‐DOPA. In vitro, conjugate formation could be inhibited by the dithiol dihydrolipoate but not by its oxidised form, lipoic acid.
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“Observation of cysteinyl adducts of dopamine in substantia nigra postmortem samples confirmed severe oxidation process occurring in PD brain. (Spencer et al. 1998).”
From Reactive Oxygen Species, Toxicity, Oxidative Stress, and Antioxidants: Chronic Diseases and Aging (2023) · cites this paper as Spencer et al. 1998
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- Halliwell B. and Gutteridge J. M. C. (1989) Free Radicals in Biol- ogy and Medicine, 2nd edit. Clarendon Press, Oxford.
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Inflammation in parkinson’s disease
Hald, A., van Beek, J., & Lotharius, J. (2007) · Sub-cellular biochemistry/Subcellular biochemistry · doi:10.1007/1-4020-5688-5_12 · Cited by 37
Potential neurotoxic “agents provocateurs” in Parkinson's disease
Collins, M. A., & Neafsey, E. J. (2002) · Neurotoxicology and Teratology · doi:10.1016/s0892-0362(02)00210-6 · Cited by 36
The Effect of Endogenous Dopamine in Rotenone-Induced Toxicity in PC12 Cells
Dukes, A. A., Korwek, K. M., & Hastings, T. G. (2005) · Antioxidants and Redox Signaling · doi:10.1089/ars.2005.7.630 · Cited by 35
“The presence of neuromelanin in the brain and cysteinyl-catechol conjugates in PD brain lysates (53) suggests that DA oxidation occurs in vivo .”
Choi, H., Lee, S. M., Cho, Y. M., et al. (2005) · Neurochemistry International · doi:10.1016/j.neuint.2004.10.009 · Cited by 35
L-DOPA treatment from the viewpoint of neuroprotection
Ogawa, N., Asanuma, M., Miyazaki, I., Diaz-Corrales, F. J. J., & Miyoshi, K. (2005) · Journal of Neurology · doi:10.1007/s00415-005-4006-7 · Cited by 36
“In fact, the concentrations of PG E2, which is generated by PG H synthase, and 5-cysteinyl-catechols, were increased in the substantia nigra of patients with PD [56, 90].”
BackgroundEndogenous catechol thioethers may be pro-oxidant or antioxidant
Picklo, M. J., Amarnath, V., Graham, D. G., & Montine, T. J. (1999) · Free Radical Biology and Medicine · doi:10.1016/s0891-5849(99)00043-x · Cited by 35
Aureli, C., Cassano, T., Masci, A., et al. (2013) · Journal of Neuroscience Research · doi:10.1002/jnr.23318 · Cited by 33
“It has been demonstrated that in parkinsonian patients the amount of CysDA in human substantia nigra (SN) undergoes a gradual rise with increasing degeneration and depigmentation of this area (Fornstedt et al., 1989; Spencer et al., 1998).”
BackgroundEnzymes Involved in Processing Glutathione Conjugates
Cooper, A. J. L., & Hanigan, M. H. (2010) · Elsevier eBooks · doi:10.1016/b978-0-08-046884-6.00417-6 · Cited by 33
Jana, S., Maiti, A. K., Bagh, M. B., Banerjee, K., Das, A., Roy, A., & Chakrabarti, S. (2007) · Brain Research · doi:10.1016/j.brainres.2006.09.100 · Cited by 33
Rocchitta, G., Migheli, R., Esposito, G., Marchetti, B., Desole, M. S., MIELE, E., & Serra, P. A. (2005) · Journal of Pineal Research · doi:10.1111/j.1600-079x.2005.00299.x · Cited by 33
“[11] have shown that cysteinyl-conjugates of DA and l-DOPA in PD are higher than in normal SN.”
BackgroundInfluentialEffects of sulfur containing amino acids on iron and nitric oxide stimulated catecholamine oxidation
Biasetti, M., & Dawson, R. (2002) · Amino Acids · doi:10.1007/s007260200020 · Cited by 33
“Dopamine and dopamine-derived quinones are also conjugated with sulfate and cysteine respectively ( Spencer et al., 1998 ).”
BackgroundShen, X.-M., Li, H., & Dryhurst, G. (2000) · Journal of Neural Transmission · doi:10.1007/s007020070045 · Cited by 33
“However, 5-S-CyS-DA is further oxidized by O2(2)· (Spencer et al., 1998) in a reaction that forms 7-(2-aminoethyl)-3,4-dihydroxy-2H-1,4benzothiazine-3-carboxylic acid (DHBT-1) (Shen and Dryhurst, 1996), a”
BackgroundResultInfluentialRoles of Glutathione (GSH) in Dopamine (DA) Oxidation Studied by Improved Tandem HPLC Plus ESI-MS
Zhou, Z., & Lim, T. M. (2008) · Neurochemical Research · doi:10.1007/s11064-008-9778-6 · Cited by 32
“DA quinones are highly reactive and could react with chemicals containing sulfhydryl groups including the cysteine residuals of proteins [17, 19].”
BackgroundTyurina, Y. Y., Nylander, K. D., Korade, Ž., Portugal, C. F., Yan, C., Zaccaro, M. C., Saragovi, H. U., Kagan, V. E., & Schor, N. F. (2005) · Aging Cell · doi:10.1111/j.1474-9726.2005.00160.x · Cited by 32
Jia, Z., Zhu, H., Li, Y., & Misra, H. P. (2009) · Neurochemical Research · doi:10.1007/s11064-009-9978-8 · Cited by 32
“GSH and GSH-dependent enzyme system play a critical role in the detoxification of ROS and in protection against oxidative/electrophilic injury, including oxidative neuropathophysiology [43, 44 ].”
BackgroundMethodOxidative metabolites of 5-S-cysteinyldopamine inhibit the pyruvate dehydrogenase complex
Li, H., & Dryhurst, G. (2001) · Journal of Neural Transmission · doi:10.1007/s007020100013 · Cited by 32
“However, 5-S-CyS-DA is easily further oxidized by O2 • (Spencer et al., 1998) and under other oxidizing conditions to o-quinone 1 which undergoes a rapid intramolecular cyclization (condensation) to the bicyclic o-quinone imine 2 (Scheme 1).”
BackgroundInfluential
Metadata
- Authors
- Spencer, J. P. E., Jenner, P., Daniel, S. E., Lees, A. J., Marsden, D. C., & Halliwell, B.
- Affiliations
- University of London (GB)
- King's College London (GB)
- Parkinson's UK (GB)
- Corresponding author
- Spencer, Jeremy P. E.
- Venue
- Journal of Neurochemistry
- Publisher
- Wiley
- Published
- 1998-11
- Volume
- 71
- Issue
- 5
- Pages
- 2112-2122
- ISSN
- 0022-3042 (ISSN-L)
- 1471-4159
- OpenAlex
- W2165866163
- Cited by
- 373
- References
- 0
- Citations by year
- 2026: 4 · 2025: 7 · 2024: 6 · 2023: 9 · 2022: 8 · 2021: 7 · 2020: 8 · 2019: 10 · 2018: 2 · 2017: 11 · 2016: 10 · 2015: 14 · 2014: 15 · 2013: 12 · 2012: 19
- FWCI
- 12.67
- Type
- journal article
- Language
- en
- Open access
- bronze
- doi.org
- Locations
- Journal of Neurochemistry (publishedVersion)
- PubMed (publishedVersion)
- UCL Discovery (University College London) (submittedVersion)
- Topics
- Health Sciences › Medicine › Clinical Neurology › Parkinson's Disease Mechanisms and Treatments
- Life Sciences › Biochemistry, Genetics and Molecular Biology › Molecular Biology › Redox biology and oxidative stress
- Life Sciences › Biochemistry, Genetics and Molecular Biology › Molecular Biology › Glutathione Transferases and Polymorphisms
- Keywords
- Parkinson's disease, catecholamines, L-DOPA, dopamine, glutathione conjugates, cysteine conjugates, reactive oxygen species, superoxide, semiquinone, quinones, oxidative stress, neuronal cell death, substantia nigra, putamen, alpha-lipoic acid, postmortem brain
- MeSH terms
- Aged, Aged, 80 and over, Chromatography, High Pressure Liquid, Copper, Cysteine, Dihydroxyphenylalanine, Dopamine, Glutathione, Humans, Iron, Parkinson Disease, Reference Values, Superoxides, 3,4-Dihydroxyphenylacetic Acid, 8,11,14-Eicosatrienoic Acid, Reactive Oxygen Species, Hypoxanthine, Xanthine
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