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6-Hydroxydopamine: a far from simple neurotoxin

  • Neurology and Preclinical Neurological Studies - Original Article
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Journal of Neural Transmission Aims and scope Submit manuscript

Abstract

6-Hydroxydopamine (6-OHDA), which is a neurotoxin that selectively destroys catecholaminergic nerves in sympathetically innervated tissues, has been used to provide a model of Parkinson’s disease in experimental animals. It is rapidly autoxidised to yield potentially toxic products and reactive oxygen species. Its ability to release Fe(II) from protein storage sites also results in the formation of hROS. This account will consider how this family of toxic products may contribute to the observed effects of 6-OHDA.

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Abbreviations

aCSF:

Artificial cerebrospinal fluid

HNE:

4-Hydroxynonenal

hROS:

Highly reactive oxygen species

MAO:

Monoamine oxidase

PBD:

Phosphate-buffered saline

6-OHDA:

6-Hydroxydopamine

ROS:

Reactive oxygen species

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Acknowledgements

We are grateful to the Science Foundation Ireland for support. KFT is grateful to Professor Moussa Youdim, for many wide-ranging and stimulating discussions.

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Correspondence to Keith F. Tipton.

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Varešlija, D., Tipton, K.F., Davey, G.P. et al. 6-Hydroxydopamine: a far from simple neurotoxin. J Neural Transm 127, 213–230 (2020). https://doi.org/10.1007/s00702-019-02133-6

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  • DOI: https://doi.org/10.1007/s00702-019-02133-6

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