Gating of hippocampal rhythms and memory by synaptic plasticity in inhibitory interneurons.
Gating of hippocampal rhythms and memory by synaptic plasticity in inhibitory interneurons.
复制标题
通过抑制性中间神经元的突触可塑性控制海马节律和记忆。
DOI:
10.1016/j.neuron.2021.01.014
复制
发表时间:
2021-03-17
期刊:
影响因子:
16.2
通讯作者:
Ma, Huan
中科院分区:
文献类型:
--
作者:
He, Xingzhi;Li, Jiarui;Zhou, Guangjun;Yang, Jing;McKenzie, Sam;Li, Yanjun;Li, Wenwen;Yu, Jun;Wang, Yang;Qu, Jing;Wu, Zhiying;Hu, Hailan;Duan, Shumin;Ma, Huan
Mental experiences can become long-term memories if the hippocampal activity patterns that encode them are broadcast during network oscillations. The activity of inhibitory neurons is essential for generating these neural oscillations, but molecular control of this dynamic process during learning remains unknown. Here, we show that hippocampal oscillatory strength positively correlates with excitatory monosynaptic drive onto inhibitory neurons (E→I) in freely behaving mice. To establish a causal relationship between them, we identified γCaMKII as the long-sought mediator of long-term potentiation for E→I synapses (LTPE→I), which enabled the genetic manipulation of experience-dependent E→I synaptic input/plasticity. Deleting γCaMKII in parvalbumin interneurons selectively eliminated LTPE→I and disrupted experience-driven strengthening in theta and gamma rhythmicity. Behaviorally, this manipulation impaired long-term memory, for which the kinase activity of γCaMKII was required. Taken together, our data suggest that E→I synaptic plasticity, exemplified by LTPE→I, plays a gatekeeping role in tuning experience-dependent brain rhythms and mnemonic function. Activity-dependent changes traversing levels of synapses and networks are essential for memory. He et al. uncover γCaMKII as a mediator of LTPE→I and molecular control of experience-dependent brain rhythms, suggesting that E→I synaptic plasticity plays a gatekeeping role in tuning experience-driven E→I spike transmission, network activity, and therefore mnemonic function.
登录
查看更多内容
影响因子:
16.2
作者:
Carr MF;Karlsson MP;Frank LM
通讯作者:
Frank LM
影响因子:
13.9
作者:
Buzsáki G;Wang XJ
通讯作者:
Wang XJ
影响因子:
9.2
作者:
Abel, Ted;Havekes, Robbert;Saletin, Jared M.;Walker, Matthew P.
通讯作者:
Walker, Matthew P.
影响因子:
5.3
作者:
Donoso, Jose R.;Schmitz, Dietmar;Kempter, Richard
通讯作者:
Kempter, Richard
影响因子:
56.9
作者:
Galarreta, M;Hestrin, S
通讯作者:
Hestrin, S