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Transferrin Receptor Controls AMPA Receptor Trafficking Efficiency and Synaptic Plasticity.


ABSTRACT: Transferrin receptor (TFR) is an important iron transporter regulating iron homeostasis and has long been used as a marker for clathrin mediated endocytosis. However, little is known about its additional function other than iron transport in the development of central nervous system (CNS). Here we demonstrate that TFR functions as a regulator to control AMPA receptor trafficking efficiency and synaptic plasticity. The conditional knockout (KO) of TFR in neural progenitor cells causes mice to develop progressive epileptic seizure, and dramatically reduces basal synaptic transmission and long-term potentiation (LTP). We further demonstrate that TFR KO remarkably reduces the binding efficiency of GluR2 to AP2 and subsequently decreases AMPA receptor endocytosis and recycling. Thus, our study reveals that TFR functions as a novel regulator to control AMPA trafficking efficiency and synaptic plasticity.

SUBMITTER: Liu K 

PROVIDER: S-EPMC4754636 | biostudies-literature | 2016 Feb

REPOSITORIES: biostudies-literature

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Transferrin Receptor Controls AMPA Receptor Trafficking Efficiency and Synaptic Plasticity.

Liu Ke K   Lei Run R   Li Qiong Q   Wang Xin-Xin XX   Wu Qian Q   An Peng P   Zhang Jianchao J   Zhu Minyan M   Xu Zhiheng Z   Hong Yang Y   Wang Fudi F   Shen Ying Y   Li Hongchang H   Li Huashun H  

Scientific reports 20160216


Transferrin receptor (TFR) is an important iron transporter regulating iron homeostasis and has long been used as a marker for clathrin mediated endocytosis. However, little is known about its additional function other than iron transport in the development of central nervous system (CNS). Here we demonstrate that TFR functions as a regulator to control AMPA receptor trafficking efficiency and synaptic plasticity. The conditional knockout (KO) of TFR in neural progenitor cells causes mice to dev  ...[more]

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