Cited by 14Neuroscience and Neuropharmacology ResearchNeurogenesis and neuroplasticity mechanismsNeuroinflammation and Neurodegeneration Mechanisms

MHC Class I Molecules and PirB Shape Neuronal Morphology by Affecting the Dendritic Arborization of Cortical Neurons

Shen, Yuqing, Zhao, Huanhuan, Li, Ping, Peng, Yaqin, Cui, Pengfei, Miao, Fengqin, Zhang, Ying, Zhang, Aifeng +1 more·2019·Neurochemical Research

Abstract

Neuronal MHC class I proteins have been previously reported to regulate synaptic plasticity. Several reports indicate MHC class I proteins are expressed early during development of the nervous system, suggesting they may also play a role in neuronal development. Using cultured cortical neurons, we show MHC class I proteins aggregate at specific sites in neuronal cell bodies, which overlap with the actin cytoskeleton. Knockout of MHC class I in cultured neurons increases total dendritic length and the number of branch points. These effects are abolished by reintroducing MHC class I expression. Similarly, blocking of MHC class I proteins or PirB by an MHCI antibody or a soluble PirB ectodomain respectively, mimics the knock out phenotype of increased dendritic branching. This effect is correlated with decreased phosphorylation of both LIMK and cofilin, suggesting it may be mediated by an induction of cofilin activity. Finally, layer II and III cortical neurons in the sensorimotor region of an MHC class I deficiency mouse model show increased dendritic growth and branching. Altogether, our results suggest MHC class I plays a role in inhibiting or limiting the degree of dendrite arborization during the development of cortical neurons.

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Crossref · 10.1007/s11064-018-2676-7

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31 of 31 references verified0 citation errors · 0 not checkable

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Authors
Shen, Y., Zhao, H., Li, P., Peng, Y., Cui, P., Miao, F., Zhang, Y., Zhang, A., & Zhang, J.
Affiliations
  • Southeast University (CN)
  • Zhongda Hospital Southeast University (CN)
Corresponding author
Zhang, Jianqiong
Venue
Neurochemical Research
Published
2018-11-08
Volume
44
Issue
2
Pages
312-322
ISSN
  • 0364-3190 (ISSN-L)
  • 1573-6903
OpenAlex
W2900324069
Cited by
14
References
31
Citations by year
2026: 1 · 2024: 3 · 2023: 2 · 2022: 1 · 2021: 4 · 2020: 2 · 2019: 1
FWCI
0.80
Type
journal article
Language
en
Open access
closed
Locations
  • Neurochemical Research (publishedVersion)
  • PubMed (publishedVersion)
Funders
  • National Natural Science Foundation of China (81571615)
  • The Natural Science Foundation of Jiangsu Province of China (BK20151421)
  • the Fundamental Research Funds for the Central Universities (2242018k30004)
Topics
  • Life Sciences › Neuroscience › Cellular and Molecular Neuroscience › Neuroscience and Neuropharmacology Research
  • Life Sciences › Neuroscience › Developmental Neuroscience › Neurogenesis and neuroplasticity mechanisms
  • Life Sciences › Neuroscience › Neurology › Neuroinflammation and Neurodegeneration Mechanisms
Keywords
MHC class I, PirB, dendritic branching, cortical neurons, neuronal development, actin cytoskeleton, LIM kinase, cofilin, dendritic length, sensorimotor cortex
MeSH terms
Animals, Cells, Cultured, Dendrites, Mice, Inbred C57BL, Neuronal Plasticity, Neurons, Receptors, Immunologic, Histocompatibility Antigens Class I, Mice, Knockout, Dendritic Spines

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