Protocol for assessing the role of hippocampal perineuronal nets in aversive memories.

Protocol for assessing the role of hippocampal perineuronal nets in aversive memories.
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DOI:
10.1016/j.xpro.2021.100931
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发表时间:
2021-12-17
期刊:
影响因子:
--
通讯作者:
Radulovic J
Radulovic J
中科院分区:
其他
文献类型:
--
作者:
Jovasevic V;Zhang H;Petrovic Z;Cicvaric A;Radulovic J

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Perineuronal nets (PNNs) are emerging as critical regulators of memory-related neuronal processes. However, their exact contribution depends on type of memory, consolidation stage, or brain region, and remains to be fully investigated. We describe here a protocol to evaluate the importance of PNNs in the dorsal hippocampus in different stages of aversive memories using a mouse model. The protocol provides detailed instructions for surgical implantation of hippocampal cannulas, drug infusion, contextual fear conditioning procedures, and immunohistochemistry for PNN visualization. For complete details on the use and execution of this protocol, please refer to. Surgical procedure for hippocampal cannula implantation Chondroitinase ABC infusions into the dorsal hippocampus Contextual fear conditioning followed by recent and remote memory tests Immunohistochemistry for perineuronal net visualization Perineuronal nets (PNNs) are emerging as critical regulators of memory-related neuronal processes. However, their exact contribution depends on type of memory, consolidation stage, or brain region, and remains to be fully investigated. We describe here a protocol to evaluate the importance of PNNs in the dorsal hippocampus in different stages of aversive memories using a mouse model. The protocol provides detailed instructions for surgical implantation of hippocampal cannulas, drug infusion, contextual fear conditioning procedures, and immunohistochemistry for PNN visualization.
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