Two-photon calcium imaging of seizures in awake, head-fixed mice.

Two-photon calcium imaging of seizures in awake, head-fixed mice.
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DOI:
10.1016/j.ceca.2021.102380
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发表时间:
2021-06
期刊:
影响因子:
4
通讯作者:
Goldberg EM
Goldberg EM
中科院分区:
生物学2区
文献类型:
--
作者:
Somarowthu A;Goff KM;Goldberg EM

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Epilepsy is a severe neurological disorder defined by spontaneous seizures. Current treatment options fail in a large proportion of patients, while questions as to the basic mechanisms of seizure initiation and propagation remain. Advances in imaging of seizures in experimental model systems could lead to a better understanding of mechanisms of seizures and epilepsy. Recent studies have used two-photon calcium imaging (2P imaging) in awake, behaving mice in head-fixed preparations to image seizures in vivo at high speed and cellular-level resolution to identify key seizure-related cell classes. Here, we discuss such advances and present 2P imaging data of excitatory neurons and defined subsets of cerebral cortex GABAergic inhibitory interneurons during naturalistic seizures in a mouse model of Dravet syndrome (Scn1a+/− mice) along with other behavioral measures. Results demonstrate differential recruitment of discrete interneuron subclasses, which could inform mechanisms of seizure generation and propagation in Dravet syndrome and other epilepsies. Created with BioRender.com
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