Myelin-associated oligodendrocytic basic protein-dependent myelin repair confers the long-lasting antidepressant effect of ketamine

Ketamine exhibits rapid and sustained antidepressant effects. As decreased myelination has been linked to depression pathology, changes in myelination may be a pivotal mechanism underlying ketamine’s long-lasting antidepressant effects. Although ketamine has a long-lasting facilitating effect on mye...

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Veröffentlicht in:Molecular psychiatry 2024-06, Vol.29 (6), p.1741-1753
Hauptverfasser: Huang, Chaoli, Wu, Zifeng, Wang, Di, Qu, Youge, Zhang, Jichun, Jiang, Riyue, Xu, Xiangqing, Xu, Xiangyang, Wang, Yuanyuan, Liu, Hanyu, He, Teng, Liu, Cunming, Chen, Guiquan, Yang, Jian-jun, Hashimoto, Kenji, Yang, Chun
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container_end_page 1753
container_issue 6
container_start_page 1741
container_title Molecular psychiatry
container_volume 29
creator Huang, Chaoli
Wu, Zifeng
Wang, Di
Qu, Youge
Zhang, Jichun
Jiang, Riyue
Xu, Xiangqing
Xu, Xiangyang
Wang, Yuanyuan
Liu, Hanyu
He, Teng
Liu, Cunming
Chen, Guiquan
Yang, Jian-jun
Hashimoto, Kenji
Yang, Chun
description Ketamine exhibits rapid and sustained antidepressant effects. As decreased myelination has been linked to depression pathology, changes in myelination may be a pivotal mechanism underlying ketamine’s long-lasting antidepressant effects. Although ketamine has a long-lasting facilitating effect on myelination, the precise roles of myelination in ketamine’s sustained antidepressant effects remain unknown. In this study, we employed spatial transcriptomics (ST) to examine ketamine’s lasting effects in the medial prefrontal cortex (mPFC) and hippocampus of mice subjected to chronic social defeat stress and identified several differentially expressed myelin-related genes. Ketamine’s ability to restore impaired myelination in the brain by promoting the differentiation of oligodendrocyte precursor cells (OPCs) into mature oligodendrocytes was demonstrated. Moreover, we showed that inhibiting the expression of myelin-associated oligodendrocytic basic protein (Mobp) blocked ketamine’s long-lasting antidepressant effects. We also illustrated that α-amino-3-hydroxy-5-methyl-4-isoxazolepropionic acid receptor (AMPAR) signaling mediated ketamine’s facilitation on myelination. In addition, we found that the ( R )-stereoisomer of ketamine showed stronger effects on myelination than ( S) -ketamine, which may explain its longer-lasting antidepressant effects. These findings reveal novel mechanisms underlying the sustained antidepressant effects of ketamine and the differences in antidepressant effects between ( R )-ketamine and ( S )-ketamine, providing new insights into the role of myelination in antidepressant mechanisms.
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subjects 13/95
38/47
631/378
692/699/476/1414
96/1
Animals
Antidepressants
Antidepressive Agents - pharmacology
Behavioral Sciences
Biological Psychology
Cell differentiation
Cell Differentiation - drug effects
Depression - drug therapy
Depression - metabolism
Glial stem cells
Hippocampus - drug effects
Hippocampus - metabolism
Ketamine
Ketamine - pharmacology
Male
Medicine
Medicine & Public Health
Mice
Mice, Inbred C57BL
Myelin Basic Protein - metabolism
Myelin Sheath - drug effects
Myelin Sheath - metabolism
Myelination
Neurosciences
Oligodendrocyte Precursor Cells - drug effects
Oligodendrocyte Precursor Cells - metabolism
Oligodendrocyte-myelin glycoprotein
Oligodendrocytes
Oligodendroglia - drug effects
Oligodendroglia - metabolism
Pharmacotherapy
Prefrontal cortex
Prefrontal Cortex - drug effects
Prefrontal Cortex - metabolism
Psychiatry
Social interactions
Stereoisomers
Stress, Psychological - drug therapy
Stress, Psychological - metabolism
Transcriptomics
α-Amino-3-hydroxy-5-methyl-4-isoxazole propionic acid receptors
title Myelin-associated oligodendrocytic basic protein-dependent myelin repair confers the long-lasting antidepressant effect of ketamine
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