Cited by 245Neurogenesis and neuroplasticity mechanismsNeuroscience and Neuropharmacology ResearchNeurotransmitter Receptor Influence on Behavior

Redefining the serotonergic system by genetic lineage

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Jensen, Patricia, Farago, Anna F, Awatramani, Rajeshwar B, Scott, Michael M, Deneris, Evan S, Dymecki, Susan M·2008·Nature Neuroscience

Abstract

Central serotonin-producing neurons are heterogeneous-differing in location, morphology, neurotoxin sensitivity and associated clinical disorders-but the underpinnings of this heterogeneity are largely unknown, as are the markers that distinguish physiological subtypes of serotonergic neurons. Here we redefined serotonergic subtypes on the basis of genetic programs that are differentially enacted in progenitor cells. We uncovered a molecular framework for the serotonergic system that, having genetic lineages as its basis, is likely to have physiological relevance and will permit access to genetically defined subtypes for manipulation.

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Crossref · 10.1038/nn2050

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  • To precisely investigate the function of transcriptome-based serotonin neuronal types, an intersectional strategy is needed to target serotonin neurons expressing specific additional markers.

    “To precisely investigate the function of transcriptome-based serotonin neuronal types, we need to use an intersectional strategy to target serotonin neurons that express specific additional markers (Jensen et al., 2008).”
  • DR serotonin neurons derive entirely from rhombomere 1, whereas MR serotonin neurons derive predominantly from rhombomeres 1, 2, and 3.

    “DR serotonin neurons derive entirely from rhombomere 1 of the developing mouse brain, whereas MR serotonin neurons derive predominantly from rhombomeres 1, 2, and 3 (Alonso et al., 2013; Bang et al., 2012; Jensen et al., 2008).”
  • They could not discern obvious difference in spatial distributions among the four MR types, despite the fact that MR serotonin neurons have heterogenous developmental origin (Jensen et al., 2008).

    “By contrast, we could not discern obvious difference in spatial distributions among the four MR types, despite the fact that MR serotonin neurons have heterogenous developmental origin (Jensen et al., 2008).”
  • DRN 5-HT neurons share a common developmental lineage.

    “Although DRN 5-HT neurons share a common developmental lineage (Deneris and Gaspar, 2018; Jensen et al., 2008), DRN 5-HT neurons in different subregions express different G protein-coupled receptors and vesicular transporters, suggesting spatial clustering of functionally specialized neurons (Calizo et al., 2011; Fernandez et al., 2016; Lowry et al., 2000; Templin et al., 2012).”

    From Molecular and anatomical organization of the dorsal raphe nucleus (2019) · cites this paper as Jensen et al., 2008

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Authors
Jensen, P., Farago, A. F., Awatramani, R. B., Scott, M. M., Deneris, E. S., & Dymecki, S. M.
Affiliations
  • Harvard University (US)
  • Northwestern University (US)
  • Case Western Reserve University (US)
Corresponding author
Dymecki, Susan M
Venue
Nature Neuroscience
Published
2008-03-16
Volume
11
Issue
4
Pages
417-419
ISSN
  • 1097-6256 (ISSN-L)
  • 1546-1726
OpenAlex
W2081784716
Cited by
244
References
15
Citations by year
2026: 1 · 2025: 4 · 2024: 4 · 2023: 6 · 2022: 10 · 2021: 13 · 2020: 19 · 2019: 15 · 2018: 15 · 2017: 25 · 2016: 14 · 2015: 22 · 2014: 13 · 2013: 18 · 2012: 18
FWCI
4.71
Type
journal article
Language
en
Open access
Locations
  • Nature Neuroscience (publishedVersion)
  • PubMed (publishedVersion)
  • PubMed Central (acceptedVersion)
Funders
  • National Institute of Mental Health (R01MH062723)
  • National Institute on Drug Abuse (R21DA023643)
  • National Institute of Diabetes and Digestive and Kidney Diseases (R01DK067826)
  • Eunice Kennedy Shriver National Institute of Child Health and Human Development (P01HD036379)
Topics
  • Life Sciences › Neuroscience › Developmental Neuroscience › Neurogenesis and neuroplasticity mechanisms
  • Life Sciences › Neuroscience › Cellular and Molecular Neuroscience › Neuroscience and Neuropharmacology Research
  • Life Sciences › Neuroscience › Cellular and Molecular Neuroscience › Neurotransmitter Receptor Influence on Behavior
Keywords
serotonergic system, serotonergic neurons, neuronal heterogeneity, genetic lineages, neural progenitor cells, molecular subtypes, neurogenesis
MeSH terms
Animals, Cell Differentiation, Mice, Transgenic, Neurons, Rhombencephalon, Serotonin, Stem Cells, Biomarkers, Gene Expression Regulation, Developmental, Cell Lineage, Transgenes, Gene Expression Profiling, Mice

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