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Godó, Soma ; Barabás, Klaudia ; Lengyel, Ferenc ; [et al.]

Frontiers Media SA ; 2021

In: Frontiers in Cell and Developmental Biology Vol. 9 ( 2021-9-23)

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In: Frontiers in Cell and Developmental Biology, Frontiers Media SA, Vol. 9 ( 2021-9-23)

Abstract: Gonadal steroid 17β-estradiol (E2) exerts rapid, non-genomic effects on neurons and strictly regulates learning and memory through altering glutamatergic neurotransmission and synaptic plasticity. However, its non-genomic effects on AMPARs are not well understood. Here, we analyzed the rapid effect of E2 on AMPARs using single-molecule tracking and super-resolution imaging techniques. We found that E2 rapidly decreased the surface movement of AMPAR via membrane G protein-coupled estrogen receptor 1 (GPER1) in neurites in a dose-dependent manner. The cortical actin network played a pivotal role in the GPER1 mediated effects of E2 on the surface mobility of AMPAR. E2 also decreased the surface movement of AMPAR both in synaptic and extrasynaptic regions on neurites and increased the synaptic dwell time of AMPARs. Our results provide evidence for understanding E2 action on neuronal plasticity and glutamatergic neurotransmission at the molecular level.

Type of Medium: Online Resource

ISSN: 2296-634X

URL: Article