The DOI matches its Crossref record; 11 of the 11 references it cites were found in a registry or an index.
A Possible Explanation for a Neurotoxic Effect of the Anticancer Agent Oxaliplatin on Neuronal Voltage-Gated Sodium Channels
Abstract
Oxaliplatin, a new widely used anticancer drug, displays frequent, sometimes severe, acute sensory neurotoxicity accompanied by neuromuscular signs that look like the symptoms observed in tetany and myotonia. The whole cell patch-clamp technique was employed to investigate the oxaliplatin effects on the electrophysiological properties of short-term cultured dorsal unpaired median (DUM) neurons isolated from the CNS of the cockroach Periplaneta americana. Within the clinical concentration range, oxaliplatin (40–500 μM), applied intracellularly, decreased the amplitude of the voltage-gated sodium current resulting in a reduction of half the amplitude of the action potential. For comparison, two other platinum derivatives, cisplatin and carboplatin, were found to be ineffective at reducing the sodium current amplitude. In addition, we compared the oxaliplatin action to those of its metabolites dichloro-diaminocyclohexane platinum (dach-Cl 2-platin) and oxalate. Oxalate (500 μM) was found to be effective, like oxaliplatin, at reducing the inward sodium current amplitude, whereas dach-Cl 2-platin (500 μM) failed to change the current amplitude. Interestingly, the effect of oxalate or oxaliplatin could be mimicked by using intracellularly applied 10 mM bis-( o-aminophenoxy)- N,N,N′,N′-tetraacetic acid (BAPTA), known as chelator of calcium ions. We concluded that oxaliplatin was capable of altering the voltage-gated sodium channels through a pathway involving calcium ions probably immobilized by its metabolite oxalate. The medical interest of preventing acute neurotoxic side effects of oxaliplatin by infusing Ca 2+and Mg 2+is discussed.
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Cited by
Chemotherapy-induced peripheral neuropathy: What do we know about mechanisms?
Carozzi, V. A., Canta, A., & Chiorazzi, A. (2015) · Neuroscience Letters · doi:10.1016/j.neulet.2014.10.014 · Cited by 431
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Mechanisms in cancer-chemotherapeutic drugs-induced peripheral neuropathy
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Chemotherapy-induced peripheral neurotoxicity
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Mechanism-based treatment for chemotherapy-induced peripheral neuropathic pain
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Metadata
- Authors
- Grolleau, F., Gamelin, L., Boisdron-Celle, M., Lapied, B., Pelhate, M., & Gamelin, E.
- Venue
- Journal of Neurophysiology
- Publisher
- American Physiological Society
- Published
- 2001-05-01
- Volume
- 85
- Issue
- 5
- Pages
- 2293-2297
- ISSN
- 0022-3077 (ISSN-L)
- 1522-1598
- OpenAlex
- W2175773713
- Cited by
- 344
- References
- 11
- FWCI
- 2.99
- Type
- journal article
- Language
- en
- Open access
- closed
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- Grolleau, F., Gamelin, L., Boisdron-Celle, M., Lapied, B., Pelhate, M., & Gamelin, E. (2001). A Possible Explanation for a Neurotoxic Effect of the Anticancer Agent Oxaliplatin on Neuronal Voltage-Gated Sodium Channels. Journal of Neurophysiology. https://doi.org/10.1152/jn.2001.85.5.2293
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