Cited by 86RNA Research and SplicingNeurogenesis and neuroplasticity mechanismsDevelopmental Biology and Gene Regulation

A role for the ELAV RNA-binding proteins in neural stem cells: stabilization of Msi1 mRNA

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Ratti, Antonia, Fallini, Claudia, Cova, Lidia, Fantozzi, Roberto, Calzarossa, Cinzia, Zennaro, Eleonora, Pascale, Alessia, Quattrone, Alessandro +1 more·2006·Journal of Cell Science

Abstract

Post-transcriptional regulation exerted by neural-specific RNA-binding proteins plays a pivotal role in the development and maintenance of the nervous system. Neural ELAV proteins are key inducers of neuronal differentiation through the stabilization and/or translational enhancement of target transcripts bearing the AU-rich elements (AREs), whereas Musashi-1 maintains the stem cell proliferation state by acting as a translational repressor. Since the gene encoding Musashi-1 (Msi1) contains a conserved ARE in its 3′ untranslated region, we focused on the possibility of a mechanistic relationship between ELAV proteins and Musashi-1 in cell fate commitment. Colocalization of neural ELAV proteins with Musashi-1 clearly shows that ELAV proteins are expressed at early stages of neural commitment, whereas interaction studies demonstrate that neural ELAV proteins exert an ARE-dependent binding activity on the Msi1 mRNA. This binding activity has functional effects, since the ELAV protein family member HuD is able to stabilize the Msi1 ARE-containing mRNA in a sequence-dependent way in a deadenylation/degradation assay. Furthermore activation of the neural ELAV proteins by phorbol esters in human SH-SY5Y cells is associated with an increase of Musashi-1 protein content in the cytoskeleton. We propose that ELAV RNA-binding proteins exert an important post-transcriptional control on Musashi-1 expression in the transition from proliferation to neural differentiation of stem/progenitor cells.

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Crossref · 10.1242/jcs.02852

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  • HuD binds and regulates several mRNAs encoding proteins with important functions in neuronal differentiation, including cell cycle arrest (p21cip1/waf1), neuroblast proliferation (MSI-1), neuron migration (MARCKS), neurite extension (GAP-43, Tau, AChE), synapse formation (NOVA-1), and neuronal growth and survival (NGF, BDNF, NT-3).

    “In addition to these transcripts, HuD has been shown to bind and regulate several other mRNAs in vitro and in vivo, many of which encode proteins with important functions in neuronal differentiation such as cell cycle arrest (p21cip1/waf1) (Joseph et al. 1998), neuroblast proliferation (MSI-1) (Ratti et al. 2006), neuron migration (MARCKS) (Wein et al. 2003), neurite extension ([GAP-43] [Chung et”

    From Emerging complexity of the HuD/ELAVl4 gene; implications for neuronal development, function, and dysfunction (2013) · cites this paper as Ratti et al. 2006

    The indexed copy contains a repository title indicating ELAV-related stabilization of Msi1 mRNA, but no article passage establishing that HuD binds or regulates it, or linking MSI-1 to neuroblast proliferation. Searches for HuD and Msi1 regulation returned only repository metadata and a PDF listing, not the paper’s substantive text. The other listed transcripts are attributed to separate citations in the citing sentence. (LLM, conf=0.72)

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Authors
Ratti, A., Fallini, C., Cova, L., Fantozzi, R., Calzarossa, C., Zennaro, E., Pascale, A., Quattrone, A., & Silani, V.
Affiliations
  • University of Milan (IT)
  • University of Pavia (IT)
  • University of Florence (IT)
Corresponding author
Ratti, Antonia
Venue
Journal of Cell Science
Published
2006-04-01
Volume
119
Issue
7
Pages
1442-1452
ISSN
  • 0021-9533 (ISSN-L)
  • 1477-9137
OpenAlex
W2151805828
Cited by
86
References
78
Citations by year
2026: 1 · 2025: 2 · 2024: 3 · 2023: 4 · 2022: 3 · 2021: 3 · 2020: 8 · 2019: 6 · 2018: 5 · 2016: 5 · 2015: 4 · 2014: 6 · 2013: 6 · 2012: 3
FWCI
2.31
Type
journal article
Language
en
Open access
Licence
other-oa
Locations
  • Journal of Cell Science (publishedVersion)
  • PubMed (publishedVersion)
  • Archivio Istituzionale della Ricerca (Universita Degli Studi Di Milano) (submittedVersion, other-oa)
  • HighWire Press Open Archive (submittedVersion)
Topics
  • Life Sciences › Biochemistry, Genetics and Molecular Biology › Molecular Biology › RNA Research and Splicing
  • Life Sciences › Neuroscience › Developmental Neuroscience › Neurogenesis and neuroplasticity mechanisms
  • Life Sciences › Biochemistry, Genetics and Molecular Biology › Molecular Biology › Developmental Biology and Gene Regulation
Keywords
Musashi-1, AU-rich elements, post-transcriptional regulation, neural stem cells, neuronal differentiation, HUD, protein synthesis inhibition, 3' untranslated region, phorbol ester, SH-SY5Y cells, lineage commitment, stem/progenitor cells
MeSH terms
Amino Acid Sequence, Animals, Base Sequence, Brain, Cells, Cultured, Immunohistochemistry, Mice, Inbred Strains, Models, Biological, Molecular Sequence Data, Nerve Tissue Proteins, Neurons, Precipitin Tests, RNA, Messenger, Sequence Homology, Nucleic Acid, Stem Cells, RNA-Binding Proteins, Sequence Homology, Amino Acid, Reverse Transcriptase Polymerase Chain Reaction, RNA Stability, Mice, ELAV Proteins

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