期刊
CHANNELS
卷 6, 期 6, 页码 438-442出版社
LANDES BIOSCIENCE
DOI: 10.4161/chan.22209
关键词
ZD7288; HCN channel currents; Na plus currents; neuropathic pain; DRG
资金
- National Natural Science foundation of China [30972848, 81271234]
- special funds of basic research operating expenses for universities of China
ZD7288 has been widely used as a tool in the study of hyperpolarization-activated cyclic nucleotide-gated channels (HCN channels), and to test the relationships between HCN channels and heart and brain function. ZD7288 is widely considered a selective blocker of HCN currents. Here we show that ZD7288 inhibits not only HCN channel currents, but also Na+ currents in DRG neurons and ZD7288 was confirmed to inhibit Na+ current in HEK293 cells transfected with Na(v)1.4 plasmids. Thus our findings challenge the view that ZD7288 is a selective blocker of HCN channels. Conclusions about the role of NCN channels in neuronal function should be re-evaluated if based exclusively on the effect of ZD7288.
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