A Channel at Large

A Channel at Large What is the mechanotransduction channel in hearing that has evaded scientists for decades?

Written byKerry Grens
| 10 min read

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1 having cloned and sequenced the acetylcholine receptor in 1983. The sodium channel identification made a big splash in the field; Numa's publication has been cited in 895 publications.

So as a postdoc in the 1980s, Gillespie probably wasn't alone in his enthusiasm about the channel. He was young, curious, and had the notion that he would be able to identify, at a molecular level, exactly what comprised the channel. The hair cell mechanotransduction channel had just been proposed, in a 1983 paper.2 "All avenues were open. We talked about taking a genetic approach or trying to culture hair cells," Gillespie says.

Since that 1983 paper by Corey & Hudspeth (cited 250 times), reams of data have supported the channel's existence. But the narrative of the hair cell channel story diverges from that of other channels. Numerous channels have been characterized, purified, sequenced, and cloned in the years since the ...

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  • kerry grens

    Kerry served as The Scientist’s news director until 2021. Before joining The Scientist in 2013, she was a stringer for Reuters Health, the senior health and science reporter at WHYY in Philadelphia, and the health and science reporter at New Hampshire Public Radio. Kerry got her start in journalism as a AAAS Mass Media fellow at KUNC in Colorado. She has a master’s in biological sciences from Stanford University and a biology degree from Loyola University Chicago.

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