Cited by 295Neurogenesis and neuroplasticity mechanismsRetinoids in leukemia and cellular processesDevelopmental Biology and Gene Regulation

Retinoic acid signaling and neuronal differentiation

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Janesick, Amanda, Wu, Stephanie Cherie, Blumberg, Bruce·2015·Cellular and Molecular Life Sciences

Abstract

The identification of neurological symptoms caused by vitamin A deficiency pointed to a critical, early developmental role of vitamin A and its metabolite, retinoic acid (RA). The ability of RA to induce post-mitotic, neural phenotypes in various stem cells, in vitro, served as early evidence that RA is involved in the switch between proliferation and differentiation. In vivo studies have expanded this "opposing signal" model, and the number of primary neurons an embryo develops is now known to depend critically on the levels and spatial distribution of RA. The proneural and neurogenic transcription factors that control the exit of neural progenitors from the cell cycle and allow primary neurons to develop are partly elucidated, but the downstream effectors of RA receptor (RAR) signaling (many of which are putative cell cycle regulators) remain largely unidentified. The molecular mechanisms underlying RA-induced primary neurogenesis in anamniote embryos are starting to be revealed; however, these data have been not been extended to amniote embryos. There is growing evidence that bona fide RARs are found in some mollusks and other invertebrates, but little is known about their necessity or functions in neurogenesis. One normal function of RA is to regulate the cell cycle to halt proliferation, and loss of RA signaling is associated with dedifferentiation and the development of cancer. Identifying the genes and pathways that mediate cell cycle exit downstream of RA will be critical for our understanding of how to target tumor differentiation. Overall, elucidating the molecular details of RAR-regulated neurogenesis will be decisive for developing and understanding neural proliferation-differentiation switches throughout development.

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Authors
Janesick, A., Wu, S. C., & Blumberg, B.
Affiliations
University of California, Irvine (US)
Corresponding author
Blumberg, Bruce
Venue
Cellular and Molecular Life Sciences
Published
2015-01-06
Volume
72
Issue
8
Pages
1559-1576
ISSN
  • 1420-682X (ISSN-L)
  • 1420-9071
OpenAlex
W2117145998
Cited by
295
References
268
Citations by year
2026: 15 · 2025: 37 · 2024: 30 · 2023: 36 · 2022: 25 · 2021: 44 · 2020: 31 · 2019: 24 · 2018: 22 · 2017: 16 · 2016: 13 · 2015: 2
FWCI
2.22
Type
journal article
Language
en
Open access
Locations
  • Cellular and Molecular Life Sciences (publishedVersion)
  • PubMed Central (publishedVersion)
  • PubMed (publishedVersion)
  • eScholarship (California Digital Library) (submittedVersion)
  • eScholarship (California Digital Library) (submittedVersion, cc-by-nc-nd)
Funders
National Science Foundation
Topics
  • Life Sciences › Neuroscience › Developmental Neuroscience › Neurogenesis and neuroplasticity mechanisms
  • Life Sciences › Biochemistry, Genetics and Molecular Biology › Molecular Biology › Retinoids in leukemia and cellular processes
  • Life Sciences › Biochemistry, Genetics and Molecular Biology › Molecular Biology › Developmental Biology and Gene Regulation
Keywords
retinoic acid signaling, neuronal differentiation, primary neurogenesis, retinoic acid receptor, proneural transcription factors, vitamin A deficiency, dedifferentiation, tumor differentiation
MeSH terms
Animals, Antigens, Neoplasm, Antineoplastic Agents, Humans, Neoplasms, Neurons, Tretinoin, Signal Transduction, Receptors, Retinoic Acid, Cell Cycle Proteins, Neurogenesis

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