Protein quality control of N-methyl-D-aspartate receptors

N-methyl-D-aspartate receptors (NMDARs) are glutamate-gated cation channels that mediate excitatory neurotransmission and are critical for synaptic development and plasticity in the mammalian central nervous system (CNS). Functional NMDARs typically form via the heterotetrameric assembly of GluN1 an...

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Main Authors: Taylor M. Benske, Ting-Wei Mu, Ya-Juan Wang
Format: Article
Language:English
Published: Frontiers Media S.A. 2022-07-01
Series:Frontiers in Cellular Neuroscience
Subjects:
Online Access:https://www.frontiersin.org/articles/10.3389/fncel.2022.907560/full
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author Taylor M. Benske
Ting-Wei Mu
Ya-Juan Wang
author_facet Taylor M. Benske
Ting-Wei Mu
Ya-Juan Wang
author_sort Taylor M. Benske
collection DOAJ
description N-methyl-D-aspartate receptors (NMDARs) are glutamate-gated cation channels that mediate excitatory neurotransmission and are critical for synaptic development and plasticity in the mammalian central nervous system (CNS). Functional NMDARs typically form via the heterotetrameric assembly of GluN1 and GluN2 subunits. Variants within GRIN genes are implicated in various neurodevelopmental and neuropsychiatric disorders. Due to the significance of NMDAR subunit composition for regional and developmental signaling at synapses, properly folded receptors must reach the plasma membrane for their function. This review focuses on the protein quality control of NMDARs. Specifically, we review the quality control mechanisms that ensure receptors are correctly folded and assembled within the endoplasmic reticulum (ER) and trafficked to the plasma membrane. Further, we discuss disease-associated variants that have shown disrupted NMDAR surface expression and function. Finally, we discuss potential targeted pharmacological and therapeutic approaches to ameliorate disease phenotypes by enhancing the expression and surface trafficking of subunits harboring disease-associated variants, thereby increasing their incorporation into functional receptors.
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spelling doaj.art-7568307c58bf4ab18065a1438ff1225c2022-12-22T01:54:31ZengFrontiers Media S.A.Frontiers in Cellular Neuroscience1662-51022022-07-011610.3389/fncel.2022.907560907560Protein quality control of N-methyl-D-aspartate receptorsTaylor M. BenskeTing-Wei MuYa-Juan WangN-methyl-D-aspartate receptors (NMDARs) are glutamate-gated cation channels that mediate excitatory neurotransmission and are critical for synaptic development and plasticity in the mammalian central nervous system (CNS). Functional NMDARs typically form via the heterotetrameric assembly of GluN1 and GluN2 subunits. Variants within GRIN genes are implicated in various neurodevelopmental and neuropsychiatric disorders. Due to the significance of NMDAR subunit composition for regional and developmental signaling at synapses, properly folded receptors must reach the plasma membrane for their function. This review focuses on the protein quality control of NMDARs. Specifically, we review the quality control mechanisms that ensure receptors are correctly folded and assembled within the endoplasmic reticulum (ER) and trafficked to the plasma membrane. Further, we discuss disease-associated variants that have shown disrupted NMDAR surface expression and function. Finally, we discuss potential targeted pharmacological and therapeutic approaches to ameliorate disease phenotypes by enhancing the expression and surface trafficking of subunits harboring disease-associated variants, thereby increasing their incorporation into functional receptors.https://www.frontiersin.org/articles/10.3389/fncel.2022.907560/fullNMDA receptorsvariantsproteostasisendoplasmic reticulumsurfacefolding
spellingShingle Taylor M. Benske
Ting-Wei Mu
Ya-Juan Wang
Protein quality control of N-methyl-D-aspartate receptors
Frontiers in Cellular Neuroscience
NMDA receptors
variants
proteostasis
endoplasmic reticulum
surface
folding
title Protein quality control of N-methyl-D-aspartate receptors
title_full Protein quality control of N-methyl-D-aspartate receptors
title_fullStr Protein quality control of N-methyl-D-aspartate receptors
title_full_unstemmed Protein quality control of N-methyl-D-aspartate receptors
title_short Protein quality control of N-methyl-D-aspartate receptors
title_sort protein quality control of n methyl d aspartate receptors
topic NMDA receptors
variants
proteostasis
endoplasmic reticulum
surface
folding
url https://www.frontiersin.org/articles/10.3389/fncel.2022.907560/full
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