Specific regulation of NRG1 isoform expression by neuronal activity

Xihui Liu, Ryan Bates, Dong Min Yin, Chengyong Shen, Fay Wang, Nan Su, Sergei A. Kirov, Yuling Luo, Jian Zhi Wang, Wen Cheng Xiong, Lin Mei

Research output: Contribution to journalArticle

92 Citations (Scopus)

Abstract

Neuregulin 1 (NRG1) is a trophic factor that has been implicated in neural development, neurotransmission, and synaptic plasticity. NRG1 has multiple isoforms that are generated by usage of different promoters and alternative splicing of a single gene. However, little is known about NRG1 isoform composition profile, whether it changes during development, or the underlying mechanisms. We found that each of the six types of NRG1 has a distinct expression pattern in the brain at different ages, resulting in a change in NRG1 isoform composition. In both human and rat, the most dominant are types III and II, followed by either type I or type V, while types IV and VI are the least abundant. The expression of NRG1 isoforms is higher in rat brains at ages of E13 and P5 (in particular type V), suggesting roles in early neural development and in the neonatal critical period. At the cellular level, the majority of NRG1 isoforms (types I, II, and III) are expressed in excitatory neurons, although they are also present in GABAergic neurons and astrocytes. Finally, the expression of each NRG1 isoform is distinctly regulated by neuronal activity, which causes significant increase in type I and IV NRG1 levels. Neuronal activity regulation of type IV expression requires a CRE cis-element in the 5' untranslated region (UTR) that binds to CREB. These results indicate that expression of NRG1 isoforms is regulated by distinct mechanisms, which may contribute to versatile functions of NRG1 and pathologic mechanisms of brain disorders such as schizophrenia.

Original languageEnglish (US)
Pages (from-to)8491-8501
Number of pages11
JournalJournal of Neuroscience
Volume31
Issue number23
DOIs
StatePublished - Jun 8 2011

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Neuregulin-1
Protein Isoforms
GABAergic Neurons
Neuronal Plasticity
5' Untranslated Regions
Brain
Alternative Splicing
Brain Diseases
Synaptic Transmission
Astrocytes
Schizophrenia

ASJC Scopus subject areas

  • Neuroscience(all)

Cite this

Liu, X., Bates, R., Yin, D. M., Shen, C., Wang, F., Su, N., ... Mei, L. (2011). Specific regulation of NRG1 isoform expression by neuronal activity. Journal of Neuroscience, 31(23), 8491-8501. https://doi.org/10.1523/JNEUROSCI.5317-10.2011

Specific regulation of NRG1 isoform expression by neuronal activity. / Liu, Xihui; Bates, Ryan; Yin, Dong Min; Shen, Chengyong; Wang, Fay; Su, Nan; Kirov, Sergei A.; Luo, Yuling; Wang, Jian Zhi; Xiong, Wen Cheng; Mei, Lin.

In: Journal of Neuroscience, Vol. 31, No. 23, 08.06.2011, p. 8491-8501.

Research output: Contribution to journalArticle

Liu, X, Bates, R, Yin, DM, Shen, C, Wang, F, Su, N, Kirov, SA, Luo, Y, Wang, JZ, Xiong, WC & Mei, L 2011, 'Specific regulation of NRG1 isoform expression by neuronal activity', Journal of Neuroscience, vol. 31, no. 23, pp. 8491-8501. https://doi.org/10.1523/JNEUROSCI.5317-10.2011
Liu, Xihui ; Bates, Ryan ; Yin, Dong Min ; Shen, Chengyong ; Wang, Fay ; Su, Nan ; Kirov, Sergei A. ; Luo, Yuling ; Wang, Jian Zhi ; Xiong, Wen Cheng ; Mei, Lin. / Specific regulation of NRG1 isoform expression by neuronal activity. In: Journal of Neuroscience. 2011 ; Vol. 31, No. 23. pp. 8491-8501.
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