Cited by 156Neurotransmitter Receptor Influence on BehaviorTryptophan and brain disordersNeuroscience and Neuropharmacology Research

Regulation of the Human Serotonin Transporter by Interleukin-1β

Ramamoorthy, S., Ramamoorthy, J.D., Prasad, P.D., Bhat, G.K., Mahesh, V.B., Leibach, F.H., Ganapathy, V.·1995·Biochemical and Biophysical Research Communications

Abstract

The serotonin transporter expressed in brain, platelets, and placenta is a primary target for antidepressants, cocaine, and amphetamines. Here we report that interleukin-1 beta is a potent regulator of the expression of this transporter. The activity of the serotonin transporter in human JAR choriocarcinoma cells is stimulated by this cytokine and the stimulation is accompanied by an increase in the steady state levels of the transporter mRNAs and in the transporter density. The increase in mRNA levels is effectively blocked by actinomycin D. The stimulatory effect of interleukin-1 beta is not associated with any change in the cellular levels of cAMP, indicating involvement of a cAMP-independent pathway. Even though cholera toxin, which is known to increase cAMP levels, also upregulates the serotonin transporter in JAR cells, the effects of interleukin-1 beta and cholera toxin on the transporter activity are additive. This constitutes the first report on the identification of a physiologically occurring hormone/cytokine which upregulates the expression of the human serotonin transporter gene.

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Crossref · 10.1006/bbrc.1995.2659

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Authors
Ramamoorthy, S., Ramamoorthy, J. D., Prasad, P. D., Bhat, G. K., Mahesh, V. B., Leibach, F. H., & Ganapathy, V.
Affiliations
Augusta University (US)
Venue
Biochemical and Biophysical Research Communications
Publisher
Elsevier BV
Published
1995-11
Volume
216
Issue
2
Pages
560-567
ISSN
0006-291X (ISSN-L)
OpenAlex
W2020188308
Cited by
156
References
0
Citations by year
2026: 1 · 2025: 2 · 2024: 2 · 2023: 3 · 2022: 4 · 2021: 4 · 2020: 3 · 2019: 4 · 2018: 4 · 2017: 2 · 2016: 7 · 2015: 9 · 2014: 5 · 2013: 10 · 2012: 6
FWCI
1.72
Type
journal article
Language
en
Open access
closed
Locations
  • Biochemical and Biophysical Research Communications (publishedVersion)
  • PubMed (publishedVersion)
Funders
  • National Institutes of Health (5r01hd027487-03)
  • Eunice Kennedy Shriver National Institute of Child Health and Human Development (HD27487)
Topics
  • Life Sciences › Neuroscience › Cellular and Molecular Neuroscience › Neurotransmitter Receptor Influence on Behavior
  • Life Sciences › Neuroscience › Biological Psychiatry › Tryptophan and brain disorders
  • Life Sciences › Neuroscience › Cellular and Molecular Neuroscience › Neuroscience and Neuropharmacology Research
Keywords
serotonin transporter, IL-1β, gene expression regulation, cholera toxin, JAR choriocarcinoma cells, placenta, antidepressants
MeSH terms
Cyclic AMP, Biological Transport, Carrier Proteins, Cell Line, Cell Membrane, Choriocarcinoma, Cocaine, Cycloheximide, Dactinomycin, Dose-Response Relationship, Drug, Female, Cyclic GMP, Humans, Imipramine, Interleukin-1, Iodine Radioisotopes, Kinetics, Membrane Glycoproteins, Nerve Tissue Proteins, Pregnancy, RNA, Messenger, Serotonin, Time Factors, Tumor Cells, Cultured, Uterine Neoplasms, Gene Expression Regulation, Neoplastic, Membrane Transport Proteins, Serotonin Plasma Membrane Transport Proteins

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