Cited by 404MicroRNA in disease regulationNeurogenesis and neuroplasticity mechanismsGenetics and Neurodevelopmental Disorders

MicroRNA miR-137 Regulates Neuronal Maturation by Targeting Ubiquitin Ligase Mind Bomb-1

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Smrt, Richard D., Szulwach, Keith E., Pfeiffer, Rebecca L., Li, Xuekun, Guo, Weixiang, Pathania, Manavendra, Teng, Zhao-Qian, Luo, Yuping +4 more·2010·Stem Cells

Abstract

The maturation of young neurons is regulated by complex mechanisms and dysregulation of this process is frequently found in neurodevepmental disorders. MicroRNAs have been implicated in several steps of neuronal maturation including dendritic and axonal growth, spine development, and synaptogenesis. We demonstrate that one brain-enriched microRNA, miR-137, has a significant role in regulating neuronal maturation. Overexpression of miR-137 inhibits dendritic morphogenesis, phenotypic maturation, and spine development both in brain and cultured primary neurons. On the other hand, a reduction in miR-137 had opposite effects. We further show that miR-137 targets the Mind bomb one (Mib1) protein through the conserved target site located in the 3′ untranslated region of Mib1 messenger RNA. Mib1 is an ubiquitin ligase known to be important for neurodevelopment. We show that exogenously expressed Mib1 could partially rescue the phenotypes associated with miR-137 overexpression. These results demonstrate a novel miRNA-mediated mechanism involving miR-137 and Mib1 that function to regulate neuronal maturation and dendritic morphogenesis during development.

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  1. [29]Li X Barkho BZ Luo Y Epigenetic regulation of the stem cell mitogen Fgf-2 by Mbd1 in adult neural stem/progenitor cells J Biol Chem 2008 283 27644 27652 18689796 PMC2562066
  2. [47]Liu C Zhao X MicroRNAs in adult and embryonic neurogenesis Neuromolecular Med 2009 11 141 152 19598002 PMC2754598

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Authors
Smrt, R. D., Szulwach, K. E., Pfeiffer, R. L., Li, X., Guo, W., Pathania, M., Teng, Z.-Q., Luo, Y., Peng, J., Bordey, A., Jin, P., & Zhao, X.
Affiliations
  • University of New Mexico (US)
  • Emory University (US)
  • Department of Neurosurgery, Yale School of Medicine, New Haven, Connecticut, USA
Corresponding author
  • Jin, Peng
  • Zhao, Xinyu
Venue
Stem Cells
Published
2010-04-21
Volume
28
Issue
6
Pages
1060-1070
ISSN
  • 1066-5099 (ISSN-L)
  • 1549-4918
OpenAlex
W2025902983
Cited by
404
References
52
Citations by year
2026: 4 · 2025: 10 · 2024: 19 · 2023: 5 · 2022: 21 · 2021: 31 · 2020: 20 · 2019: 22 · 2018: 24 · 2017: 31 · 2016: 35 · 2015: 41 · 2014: 44 · 2013: 43 · 2012: 31
FWCI
9.75
Type
journal article
Language
en
Open access
Locations
  • Stem Cells (publishedVersion)
  • PubMed (publishedVersion)
  • PubMed Central (acceptedVersion)
  • UCL Discovery (University College London) (submittedVersion)
Funders
  • International Rett Syndrome Foundation (IRSF) and the NIH (NS051630, MH076090)
  • IRSF
  • NIH (MH080434, MH078972)
  • Autism Speaks Postdoctoral Fellowship
  • Institutional Minority Student Development program (NIH 2R25GM060201-09)
  • Initiatives to Maximize Student Diversity (IMSD) program
Topics
  • Life Sciences › Biochemistry, Genetics and Molecular Biology › Cancer Research › MicroRNA in disease regulation
  • Life Sciences › Neuroscience › Developmental Neuroscience › Neurogenesis and neuroplasticity mechanisms
  • Life Sciences › Biochemistry, Genetics and Molecular Biology › Genetics › Genetics and Neurodevelopmental Disorders
Keywords
miR-137, microRNA, neuronal maturation, MIB-1, ubiquitin ligase, dendrite morphogenesis, dendritic spine development, 3' untranslated region, brain development, neurodevelopmental disorders, primary neurons
MeSH terms
Animals, Base Sequence, Cell Differentiation, Cells, Cultured, Dendrites, Gene Expression Regulation, Mice, Inbred C57BL, Neurons, Phenotype, Protein Biosynthesis, MicroRNAs, Ubiquitin-Protein Ligases, Mice

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