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细胞培养中海兔感觉运动突触的长期抑制:突触后钙升高的诱导作用

Long-term depression of Aplysia sensorimotor synapses in cell culture: inductive role of a rise in postsynaptic calcium.

作者信息

Lin X Y, Glanzman D L

机构信息

Department of Physiological Science, University of California, Los Angeles 90095, USA.

出版信息

J Neurophysiol. 1996 Sep;76(3):2111-4. doi: 10.1152/jn.1996.76.3.2111.

DOI:10.1152/jn.1996.76.3.2111
PMID:8890323
Abstract
  1. Activation of sensory neurons at 2 Hz for 15 min induces long-term depression (LTD) of isolated Aplysia sensorimotor synapses in cell culture. 2. Prior infusion of the Ca2+ chelator 1,2-bis-(2-aminophenoxy)-ethane-N,N,N',N'-tetraacetic acid (BAPTA) into the postsynaptic motor neuron blocks the induction of LTD, but not short-term synaptic depression. 3. Invertebrate central synapses possess the capacity for LTD. This form of long-term synaptic plasticity may play an important role in learning in Aplysia.
摘要
  1. 以2赫兹的频率激活感觉神经元15分钟,可诱导细胞培养中分离的海兔感觉运动突触产生长时程抑制(LTD)。2. 事先将Ca2+螯合剂1,2-双(2-氨基苯氧基)乙烷-N,N,N',N'-四乙酸(BAPTA)注入突触后运动神经元,可阻断LTD的诱导,但不影响短时程突触抑制。3. 无脊椎动物的中枢突触具有产生LTD的能力。这种形式的长期突触可塑性可能在海兔的学习中发挥重要作用。

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Long-term depression of Aplysia sensorimotor synapses in cell culture: inductive role of a rise in postsynaptic calcium.细胞培养中海兔感觉运动突触的长期抑制:突触后钙升高的诱导作用
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引用本文的文献

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Is plasticity of synapses the mechanism of long-term memory storage?突触可塑性是长期记忆存储的机制吗?
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Persistent long-term facilitation at an identified synapse becomes labile with activation of short-term heterosynaptic plasticity.在已确定的突触处持续的长期易化作用会随着短期异突触可塑性的激活而变得不稳定。
J Neurosci. 2014 Apr 2;34(14):4776-85. doi: 10.1523/JNEUROSCI.0098-14.2014.
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Calcium, calpain, and calcineurin in low-frequency depression of transmitter release.
钙、钙蛋白酶和钙调神经磷酸酶在递质释放的低频抑制中的作用。
J Neurosci. 2013 Jan 30;33(5):1975-90. doi: 10.1523/JNEUROSCI.3092-12.2013.
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A cellular model of memory reconsolidation involves reactivation-induced destabilization and restabilization at the sensorimotor synapse in Aplysia.在海兔中,记忆再巩固的细胞模型涉及到感觉运动突触的再激活诱导不稳定性和再稳定。
Proc Natl Acad Sci U S A. 2012 Aug 28;109(35):14200-5. doi: 10.1073/pnas.1211997109. Epub 2012 Aug 14.
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Long-term habituation of the gill-withdrawal reflex in aplysia requires gene transcription, calcineurin and L-type voltage-gated calcium channels.海兔鳃收缩反射的长期习惯化需要基因转录、钙调神经磷酸酶和L型电压门控钙通道。
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