Neurobeachin and the Kinesin KIF21B Are Critical for Endocytic Recycling of NMDA Receptors and Regulate Social Behavior
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Neurobeachin and the Kinesin KIF21B Are Critical for Endocytic Recycling of NMDA Receptors and Regulate Social Behavior. / Gromova, Kira V; Muhia, Mary; Rothammer, Nicola; Gee, Christine E; Thies, Edda; Schaefer, Irina; Kress, Sabrina; Kilimann, Manfred W; Shevchuk, Olga; Oertner, Thomas G; Kneussel, Matthias.
in: CELL REP, Jahrgang 23, Nr. 9, 29.05.2018, S. 2705-2717.Publikationen: SCORING: Beitrag in Fachzeitschrift/Zeitung › SCORING: Zeitschriftenaufsatz › Forschung › Begutachtung
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TY - JOUR
T1 - Neurobeachin and the Kinesin KIF21B Are Critical for Endocytic Recycling of NMDA Receptors and Regulate Social Behavior
AU - Gromova, Kira V
AU - Muhia, Mary
AU - Rothammer, Nicola
AU - Gee, Christine E
AU - Thies, Edda
AU - Schaefer, Irina
AU - Kress, Sabrina
AU - Kilimann, Manfred W
AU - Shevchuk, Olga
AU - Oertner, Thomas G
AU - Kneussel, Matthias
N1 - Copyright © 2018 The Authors. Published by Elsevier Inc. All rights reserved.
PY - 2018/5/29
Y1 - 2018/5/29
N2 - Autism spectrum disorders (ASDs) are associated with mutations affecting synaptic components, including GluN2B-NMDA receptors (NMDARs) and neurobeachin (NBEA). NBEA participates in biosynthetic pathways to regulate synapse receptor targeting, synaptic function, cognition, and social behavior. However, the role of NBEA-mediated transport in specific trafficking routes is unclear. Here, we highlight an additional function for NBEA in the local delivery and surface re-insertion of synaptic receptors in mouse neurons. NBEA dynamically interacts with Rab4-positive recycling endosomes, transiently enters spines in an activity-dependent manner, and regulates GluN2B-NMDAR recycling. Furthermore, we show that the microtubule growth inhibitor kinesin KIF21B constrains NBEA dynamics and is present in the NBEA-recycling endosome-NMDAR complex. Notably, Kif21b knockout decreases NMDAR surface expression and alters social behavior in mice, consistent with reported social deficits in Nbea mutants. The influence of NBEA-KIF21B interactions on GluN2B-NMDAR local recycling may be relevant to mechanisms underlying ASD etiology.
AB - Autism spectrum disorders (ASDs) are associated with mutations affecting synaptic components, including GluN2B-NMDA receptors (NMDARs) and neurobeachin (NBEA). NBEA participates in biosynthetic pathways to regulate synapse receptor targeting, synaptic function, cognition, and social behavior. However, the role of NBEA-mediated transport in specific trafficking routes is unclear. Here, we highlight an additional function for NBEA in the local delivery and surface re-insertion of synaptic receptors in mouse neurons. NBEA dynamically interacts with Rab4-positive recycling endosomes, transiently enters spines in an activity-dependent manner, and regulates GluN2B-NMDAR recycling. Furthermore, we show that the microtubule growth inhibitor kinesin KIF21B constrains NBEA dynamics and is present in the NBEA-recycling endosome-NMDAR complex. Notably, Kif21b knockout decreases NMDAR surface expression and alters social behavior in mice, consistent with reported social deficits in Nbea mutants. The influence of NBEA-KIF21B interactions on GluN2B-NMDAR local recycling may be relevant to mechanisms underlying ASD etiology.
KW - Journal Article
U2 - 10.1016/j.celrep.2018.04.112
DO - 10.1016/j.celrep.2018.04.112
M3 - SCORING: Journal article
C2 - 29847800
VL - 23
SP - 2705
EP - 2717
JO - CELL REP
JF - CELL REP
SN - 2211-1247
IS - 9
ER -