The nogo receptor family restricts synapse number in the developing hippocampus.
The nogo receptor family restricts synapse number in the developing hippocampus.
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DOI:
10.1016/j.neuron.2011.11.029
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发表时间:
2012-02-09
期刊:
影响因子:
16.2
通讯作者:
Greenberg ME
中科院分区:
文献类型:
--
作者:
Wills ZP;Mandel-Brehm C;Mardinly AR;McCord AE;Giger RJ;Greenberg ME
Neuronal development is characterized by a period of exuberant synaptic growth that is well studied. However, the mechanisms that restrict this process are less clear. Here we demonstrate that glycosyl-phosphatidylinositol-anchored cell-surface receptors of the Nogo Receptor family (NgR1, NgR2, and NgR3) restrict excitatory synapse formation. Loss of any one of the NgRs results in an increase in synapse number in vitro, whereas loss of all three is necessary for abnormally elevated synaptogenesis in vivo. We show that NgR1 inhibits the formation of new synapses in the postsynaptic neuron by signaling through the coreceptor TROY and RhoA. The NgR family is downregulated by neuronal activity, a response that may limit NgR function and facilitate activity-dependent synapse development. These findings suggest that NgR1, a receptor previously shown to restrict axon growth in the adult, also functions in the dendrite as a barrier that limits excitatory synapse number during brain development.
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影响因子:
16.2
作者:
Lohmann, Christian;Bonhoeffer, Tobias
通讯作者:
Bonhoeffer, Tobias
影响因子:
16.2
作者:
Elia, Lisa P.;Yamamoto, Miya;Reichardt, Louis F.
通讯作者:
Reichardt, Louis F.
DOI:
10.1523/jneurosci.5885-08.2009
发表时间:
2009-05-13
期刊:
The Journal of neuroscience : the official journal of the Society for Neuroscience
影响因子:
--
作者:
Harvey PA;Lee DH;Qian F;Weinreb PH;Frank E
通讯作者:
Frank E
影响因子:
56.9
作者:
Lois, C;Hong, EJ;Baltimore, D
通讯作者:
Baltimore, D
影响因子:
16.2
作者:
Tolias, KF;Bikoff, JB;Greenberg, ME
通讯作者:
Greenberg, ME