NMDA receptor-targeted enrichment of CaMKIIα improves fear memory.
NMDA receptor-targeted enrichment of CaMKIIα improves fear memory.
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DOI:
10.1016/j.isci.2022.104864
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发表时间:
2022-08-19
期刊:
影响因子:
5.8
通讯作者:
Park, Joongkyu
中科院分区:
文献类型:
--
作者:
Chifor, Anthony;Choi, Jeongyoon;Park, Joongkyu
The establishment of effective molecular interventions to improve memory and alleviate memory deficits in disease remains a long-standing challenge despite growing molecular understanding of synaptic plasticity and memory formation. Capitalizing on the fact that long-term potentiation (LTP) requires N-methyl-D-aspartate receptors (NMDARs) and Ca2+/calmodulin-dependent protein kinase II alpha (CaMKIIα), we develop an intrabody that targets NMDARs and show that intrabody-mediated postsynaptic enrichment of CaMKIIα in the hippocampus improves contextual fear memory. This molecular approach suggests a potential demand for effective targeting of postsynaptic molecules to enhance memory and provides insights into studying memory improvement in health and disease. VHHAN1 binds to GluN1, a subunit of NMDA receptors, in cells and in vivo Fusion with VHHAN1 orients exogenous CaMKIIα to excitatory postsynaptic regions CaMKIIα local enrichment by VHHAN1 in the hippocampus improves contextual memory Potential demand for effective modifications of synaptic molecules to modify memory Biological sciences; Cognitive neuroscience; Neuroscience.
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