A small modulatory dsRNA specifies the fate of adult neural stem cells

Tomoko Kuwabara, Jenny Hsieh, Kinichi Nakashima, Kazunari Taira, Fred H. Gage

Research output: Contribution to journalArticle

356 Citations (Scopus)

Abstract

Discovering the molecular mechanisms that regulate neuron-specific gene expression remains a central challenge for CNS research. Here, we report that small, noncoding double-stranded (ds) RNAs play a critical role in mediating neuronal differentiation. The sequence defined by this dsRNA is NRSE/RE1, which is recognized by NRSF/REST, known primarily as a negative transcriptional regulator that restricts neuronal gene expression to neurons. The NRSE dsRNA can trigger gene expression of neuron-specific genes through interaction with NRSF/REST transcriptional machinery, resulting in the transition from neural stem cells with neuron-specific genes silenced by NRSF/REST into cells with neuronal identity that can express neuronal genes. The mechanism of action appears to be mediated through a dsRNA/protein interaction, rather than through siRNA or miRNA. The discovery of small modulatory dsRNAs (smRNAs) extends the important contribution of noncoding RNAs as key regulators of cell behavior at both transcriptional and posttranscriptional levels.

Original languageEnglish
Pages (from-to)779-793
Number of pages15
JournalCell
Volume116
Issue number6
DOIs
Publication statusPublished - Mar 19 2004
Externally publishedYes

Fingerprint

Adult Stem Cells
Neural Stem Cells
Stem cells
Neurons
Gene expression
Untranslated RNA
Genes
Gene Expression
Double-Stranded RNA
MicroRNAs
Small Interfering RNA
Machinery
Research
Proteins

All Science Journal Classification (ASJC) codes

  • Biochemistry, Genetics and Molecular Biology(all)

Cite this

A small modulatory dsRNA specifies the fate of adult neural stem cells. / Kuwabara, Tomoko; Hsieh, Jenny; Nakashima, Kinichi; Taira, Kazunari; Gage, Fred H.

In: Cell, Vol. 116, No. 6, 19.03.2004, p. 779-793.

Research output: Contribution to journalArticle

Kuwabara, Tomoko ; Hsieh, Jenny ; Nakashima, Kinichi ; Taira, Kazunari ; Gage, Fred H. / A small modulatory dsRNA specifies the fate of adult neural stem cells. In: Cell. 2004 ; Vol. 116, No. 6. pp. 779-793.
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