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Functional characterization of dopamine and norepinephrine transport across the apical and basal plasma membranes of the human placental syncytiotrophoblast

Horackova, Hana, Karahoda, Rona, Vachalova, Veronika, Turkova, Helena, Abad, Cilia, Staud, Frantisek·2022·Scientific Reports
DOI 10.1038/s41598-022-15790-7
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Abstract

The human placenta represents a unique non-neuronal site of monoamine transporter expression, with pathophysiological relevance during the prenatal period. Monoamines (serotonin, dopamine, norepinephrine) are crucial neuromodulators for proper placenta functions and fetal development, including cell proliferation, differentiation, and neuronal migration. Accumulating evidence suggests that even a transient disruption of monoamine balance during gestation may lead to permanent changes in the fetal brain structures and functions, projecting into adulthood. Nonetheless, little is known about the transfer of dopamine and norepinephrine across the placental syncytiotrophoblast. Employing the method of isolated membranes from the human term placenta, here we delineate the transport mechanisms involved in dopamine and norepinephrine passage across the apical microvillous (MVM) and basal membranes. We show that the placental uptake of dopamine and norepinephrine across the mother-facing MVM is mediated via the high-affinity and low-capacity serotonin (SERT/SLC6A4) and norepinephrine (NET/SLC6A2) transporters. In the fetus-facing basal membrane, however, the placental uptake of both monoamines is controlled by the organic cation transporter 3 (OCT3/SLC22A3). Our findings thus provide insights into physiological aspects of dopamine and norepinephrine transport across both the maternal and fetal sides of the placenta. As monoamine transporters represent targets for several neuroactive drugs such as antidepressants, our findings are pharmacologically relevant to ensure the safety of drug use during pregnancy.

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Metadata

Authors
Horackova, H., Karahoda, R., Vachalova, V., Turkova, H., Abad, C., & Staud, F.
Venue
Scientific Reports
Publisher
Springer Science and Business Media LLC
Published
2022-07-08
Volume
12
Issue
1
ISSN
2045-2322
DOI
10.1038/s41598-022-15790-7
Cited by
24
References
4
Language
en
Licence
Funders
  • Grantová Agentura České Republiky (20/13017S)
  • Charles University Grant Schemes (CZ.02.2.69/0.0/0.0/19_073/0016935)
  • Grant Agency of Charles University (SVV 260414)

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CoChat. (2026). Citation check: Functional characterization of dopamine and norepinephrine transport across the apical and basal plasma membranes of the human placental syncytiotrophoblast. https://app.cochat.ai/papers/10.1038/s41598-022-15790-7
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Horackova, H., Karahoda, R., Vachalova, V., Turkova, H., Abad, C., & Staud, F. (2022). Functional characterization of dopamine and norepinephrine transport across the apical and basal plasma membranes of the human placental syncytiotrophoblast. Scientific Reports. https://doi.org/10.1038/s41598-022-15790-7

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