作者
Ruth Sittl, Angelika Lampert, Tobias Huth, E Theresa Schuy, Andrea S Link, Johannes Fleckenstein, Christian Alzheimer, Peter Grafe, Richard W Carr
发表日期
2012/4/24
期刊
Proceedings of the National Academy of Sciences
卷号
109
期号
17
页码范围
6704-6709
出版商
National Academy of Sciences
简介
Infusion of the chemotherapeutic agent oxaliplatin leads to an acute and a chronic form of peripheral neuropathy. Acute oxaliplatin neuropathy is characterized by sensory paresthesias and muscle cramps that are notably exacerbated by cooling. Painful dysesthesias are rarely reported for acute oxaliplatin neuropathy, whereas a common symptom of chronic oxaliplatin neuropathy is pain. Here we examine the role of the sodium channel isoform NaV1.6 in mediating the symptoms of acute oxaliplatin neuropathy. Compound and single-action potential recordings from human and mouse peripheral axons showed that cooling in the presence of oxaliplatin (30–100 μM; 90 min) induced bursts of action potentials in myelinated A, but not unmyelinated C-fibers. Whole-cell patch-clamp recordings from dissociated dorsal root ganglion (DRG) neurons revealed enhanced tetrodotoxin-sensitive resurgent and persistent …
引用总数
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