Cited by 271Genomics and Chromatin DynamicsNeuroscience and Neuropharmacology ResearchMemory and Neural Mechanisms

Stimulus-specific combinatorial functionality of neuronal c-fos enhancers

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Joo, Jae-Yeol, Schaukowitch, Katie, Farbiak, Lukas, Kilaru, Gokhul, Kim, Tae-Kyung·2016·Nature Neuroscience

Abstract

The c-fos gene (also known as Fos) is induced by a broad range of stimuli and is a reliable marker for neural activity. Its induction mechanism and available reporter mouse lines are based exclusively on c-fos promoter activity. Here we demonstrate that multiple enhancers surrounding the c-fos gene are crucial for ensuring robust c-fos response to various stimuli. Membrane depolarization, brain-derived neurotrophic factor (BDNF) and forskolin activate distinct subsets of the enhancers to induce c-fos transcription in neurons, suggesting that stimulus-specific combinatorial activation of multiple enhancers underlies the broad inducibility of the c-fos gene. Accordingly, the functional requirement of key transcription factors varies depending on the type of stimulation. Combinatorial enhancer activation also occurs in the brain. Providing a comprehensive picture of the c-fos induction mechanism beyond the minimal promoter, our study should help in understanding the physiological nature of c-fos induction in relation to neural activity and plasticity.

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Authors
Joo, J.-Y., Schaukowitch, K., Farbiak, L., Kilaru, G., & Kim, T.-K.
Affiliations
The University of Texas Southwestern Medical Center (US)
Corresponding author
Kim, Tae-Kyung
Venue
Nature Neuroscience
Published
2015-11-23
Volume
19
Issue
1
Pages
75-83
ISSN
  • 1097-6256 (ISSN-L)
  • 1546-1726
OpenAlex
W2177873964
Cited by
271
References
55
Citations by year
2026: 21 · 2025: 28 · 2024: 39 · 2023: 29 · 2022: 30 · 2021: 27 · 2020: 19 · 2019: 24 · 2018: 23 · 2017: 16 · 2016: 15
FWCI
7.81
Type
journal article
Language
en
Update notices
erratum (2016-03-29)
Open access
Locations
  • Nature Neuroscience (publishedVersion)
  • PubMed (publishedVersion)
  • Europe PMC (PubMed Central) (acceptedVersion)
  • PubMed Central (acceptedVersion)
  • Open Access System for Information Sharing (Pohang University of Science and Technology) (submittedVersion)
Funders
  • National Science Foundation
  • Corporación de Fomento de la Producción
  • National Institute of Neurological Disorders and Stroke (R01NS085418)
Topics
  • Life Sciences › Biochemistry, Genetics and Molecular Biology › Molecular Biology › Genomics and Chromatin Dynamics
  • Life Sciences › Neuroscience › Cellular and Molecular Neuroscience › Neuroscience and Neuropharmacology Research
  • Life Sciences › Neuroscience › Cognitive Neuroscience › Memory and Neural Mechanisms
Keywords
c-fos, enhancers, neuronal activity, transcriptional regulation, membrane depolarization, brain-derived neurotrophic factor, forskolin, transcription factors, neuroplasticity, activity-dependent gene expression
MeSH terms
Animals, Brain, Embryo, Mammalian, Enhancer Elements, Genetic, Neuronal Plasticity, Neurons, Promoter Regions, Genetic, RNA, Messenger, Transcription, Genetic, Gene Expression, Genes, fos, Brain-Derived Neurotrophic Factor, Epigenesis, Genetic, Mice

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