Brevican "nets" voltage-gated calcium channels at the hair cell ribbon synapse.

Brevican "nets" voltage-gated calcium channels at the hair cell ribbon synapse.
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DOI:
10.1186/s12915-018-0575-7
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发表时间:
2018-09-26
期刊:
影响因子:
5.4
通讯作者:
Conant K
Conant K
中科院分区:
生物学2区
文献类型:
--
作者:
Coate TM;Conant K

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During hearing in mammals, “sensorineural” inner hair cells convert sound wave-generated mechanical input into electrical activity, resulting in glutamate release onto type I spiral ganglion neurons (SGNs) at specialized synapses known as “ribbon synapses”. New findings published here in BMC Biology by Sonntag and colleagues indicate a role for the proteoglycan Brevican in forming perineurounal net (PNN) baskets at these synapses and controlling the spatial distribution of presynaptic voltage-gated calcium channels that regulate glutamate release. These findings may provide insight into the mechanism by which individual ribbon synapses within a single hair cell can function in an independent manner to facilitate hearing within a broad dynamic range.
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