Cited by 284Neurotransmitter Receptor Influence on BehaviorNeuroscience and Neuropharmacology ResearchReceptor Mechanisms and Signaling

The DOI matches its Crossref record; 38 of the 39 references it cites were found in a registry or an index.

The distribution of 5-HT1A and 5-HT2A receptor mRNA in human brain

Abstract

We have examined the distribution of 5-HT1A and 5-HT2A receptor mRNAs in post-mortem human hippocampus, neocortex, raphe nuclei, cerebellum and basal ganglia using in situ hybridization histochemistry. Receptor transcripts in brains from two males and two females (mean age +/- S.D. = 70 +/- 4 years; post-mortem interval = 29 +/- 6 h) were visualised with 35S-radiolabelled synthetic oligodeoxyribonucleic acid probes. In the hippocampus, 5-HT1A receptor mRNA was present in all fields, especially CA1. In the parahippocampal gyrus and neocortical regions 5-HT1A receptor mRNA was enhanced in superficial and middle laminae. 5-HT1A receptor mRNA was particularly abundant in the raphe and other serotonergic cell groups of the brainstem. The analysis of emulsion dipped sections showed 5-HT1A receptor mRNA to be concentrated in pyramidal neurons, together with the granule cells of the dentate gyrus. In neocortical areas lamina III pyramidal neurons were more heavily labelled than those in lamina V. There was no evidence of glial expression of 5-HT1A receptor mRNA in grey matter or white matter compartments. 5-HT2A receptor mRNA was present in all neocortical areas examined, where it was located in pyramidal neurons, of lamina V more than in those of lamina III, as well as in putative interneurons, especially within lamina IVc of the striate cortex. 5-HT2A receptor mRNA was observed at minimal levels in the hippocampus and not in the raphe. Neither 5-HT1A nor 5-HT2A receptor mRNA were detected in the cerebellum, substantia nigra or striatum. The ability to detect these transcripts at the regional and cellular level will help reveal important details of the 5-HT receptor system in the human brain. This includes the investigation of their putative roles in the normal chemoarchitecture and in pathophysiological brain processes.

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Crossref · 10.1016/0006-8993(95)00104-x

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Research works printed but not linked: 5

  1. Austin, 1994, Localization of 5-HT2A receptor mRNA in neurons of the human brain stem, Soc. Neurosci. Abstr., 20, 1546
  2. Hirst, 1994, Expression of 5-HT1A, 5-HT2A and 5-HT2C receptors in astrocytes, Soc. Neurosci. Abstr., 20, 1547
  3. Lopez, 1994, Distribution of 5-HT1A receptor mRNA in the human hippocampus, Soc. Neurosci. Abstr., 20, 1547
  4. Rahman, S., McLean, J.H., Darby-King, A., Paterno, G., Reynolds, J.N. and Neuman, R.S., Loss of cortical serotonin 5-HT2A signal transduction in senescent rats: reversal following inhibition of protein kinase C, Neuroscience, in press.
  5. Shapiro, 1994, Distribution of the serotonin1A receptor serotonin uptake site and tryptophan hydroxylase-like immunoreactivity (TpH-Li) in the human dorsal raphe, Soc. Neurosci. Abstr., 20, 1547

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Metadata

Authors
Burnet, P. W. J., Eastwood, S. L., Lacey, K., & Harrison, P. J.
Affiliations
Warneford Hospital (GB)
Corresponding author
Burnet, P.W.J.
Venue
Brain Research
Publisher
Elsevier BV
Published
1995-04
Volume
676
Issue
1
Pages
157-168
ISSN
0006-8993 (ISSN-L)
OpenAlex
W2058711144
Cited by
283
References
39
Citations by year
2026: 5 · 2025: 6 · 2024: 6 · 2023: 4 · 2022: 3 · 2021: 7 · 2020: 5 · 2019: 11 · 2018: 6 · 2017: 4 · 2016: 6 · 2015: 5 · 2014: 9 · 2013: 5 · 2012: 7
FWCI
4.94
Type
journal article
Language
en
Open access
closed
Locations
  • Brain Research (publishedVersion)
  • PubMed (publishedVersion)
Funders
Wellcome Trust
Topics
  • Life Sciences › Neuroscience › Cellular and Molecular Neuroscience › Neurotransmitter Receptor Influence on Behavior
  • Life Sciences › Neuroscience › Cellular and Molecular Neuroscience › Neuroscience and Neuropharmacology Research
  • Life Sciences › Biochemistry, Genetics and Molecular Biology › Molecular Biology › Receptor Mechanisms and Signaling
Keywords
5-HT1A receptor, 5-HT2A receptor, serotonin receptors, receptor mRNA distribution, human brain, hippocampus, neocortex, raphe nuclei, pyramidal neurons, laminae, dentate gyrus granule cells, postmortem brain
MeSH terms
Aged, Autoradiography, Basal Ganglia, Brain, Brain Stem, Cerebellum, Cerebral Cortex, Female, Hippocampus, Humans, Male, Receptors, Serotonin, RNA, Messenger, Tissue Distribution, In Situ Hybridization

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