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Inhibition of protein kinase A activity during conditioned taste aversion retrieval: interference with extinction or reconsolidation of a memory?

机译:在条件性味觉厌恶恢复过程中抑制蛋白激酶A的活性:干扰记忆的消亡或巩固?

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摘要

The involvement of the cAMP-dependent protein kinase A (PKA) signaling pathway in protein synthesis-dependent memory consolidation has been supported by studies of fear conditioning and conditioned taste aversion (CTA). The present experiment examined whether inhibition of PKA activity at the time of memory retrieval impedes or promotes subsequent extinction. When Rp-cAMPS was infused into the amygdala at the time of CTA testing (retrieval), extinction was accelerated. Results confirm recent findings that stored memories become more labile when they are retrieved and extend these findings to CTA memories.
机译:恐惧调节和条件化味觉厌恶(CTA)的研究支持了cAMP依赖性蛋白激酶A(PKA)信号通路参与蛋白质合成依赖性记忆巩固。本实验研究了在记忆检索时抑制PKA活性是阻止还是促进了随后的灭绝。当在CTA测试(取回)时将Rp-cAMPS注入杏仁核时,灭绝加速了。结果证实了最近的发现:存储的存储器在检索时变得更加不稳定,并将这些发现扩展到CTA存储器。

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