Cited by 235Circadian rhythm and melatoninPregnancy and Medication ImpactPregnancy-related medical research

Maternal‐fetal transfer of melatonin in pregnant women near term

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Okatani, Yuji, Okamoto, Keiichi, Hayashi, Kazutoshi, Wakatsuki, Akihiko, Tamura, Seiichiro, Sagara, Yusuke·1998·Journal of Pineal Research

Abstract

Abstract: Our objective was to evaluate the maternal‐fetal transfer of melatonin in pregnant women. Serum melatonin concentration was measured by high‐performance liquid chromatography with electrochemical detection in a maternal vein and in the umbilical artery and umbilical vein at the time of birth. Blood samples were obtained from 12 women who had spontaneously delivered vaginally at night. A single oral dose of melatonin was administered to each of 33 patients who underwent a cesarean section, and. blood samples were taken at 1,2, 3, or 4 hr after the administration of melatonin at delivery. Cesarean section was performed between 1300 and 1500 hr. The mean melatonin concentrations of melatonin in maternal peripheral venous blood and umbilical arterial and umbilical venous blood did not differ significantly, and positive correlations in the serum levels of melatonin were observed between the three sources of blood. The oral administration of 3 mg of melatonin to pregnant women led to marked increases in the serum levels of melatonin, with maximum levels observed 2 hr (21.84 ± 2.09 ng/ml) after drug administration. Changes in serum levels of melatonin in the umbilical vein and artery resembled those found in the maternal vein. Serum melatonin concentrations did not differ significantly between the maternal vein and the umbilical veins. Serum levels of melatonin in the umbilical vein after the administration of melatonin were significantly and closely correlated with those in the maternal vein (r = 0.924, (P < 0.001). These results suggest that, in humans, melatonin is transferred from the maternal to the fetal circulation both easily and rapidly. A potential for the therapeutic use of melatonin as an antioxidant exists in the patients with preeclampsia.

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Crossref · 10.1111/j.1600-079x.1998.tb00550.x

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  • Melatonin from the mother readily passes through the placenta and the fetal blood-brain barrier and may thus be the predominant relay of time-of-day information to the fetus, particularly during the transition from dusk to night as circulating melatonin rises.

    “Melatonin from the mother readily passes through the placenta and the fetal blood–brain barrier and may thus be the predominant relay of time-of-day information to the fetus, particularly during the transition from dusk to night, as circulating melatonin rises31–34.”
  • Perturbed maternal melatonin signaling is a proposed mechanism by which circadian disruption negatively impacts development.

    “Previous studies have proposed that perturbed maternal melatonin signaling is a mechanism by which circadian disruption negatively impacts development15, 17, 20–25.”

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Authors
Okatani, Y., Okamoto, K., Hayashi, K., Wakatsuki, A., Tamura, S., & Sagara, Y.
Affiliations
Kōchi University (JP)
Corresponding author
Okatani, Yuji
Venue
Journal of Pineal Research
Publisher
Wiley
Published
1998-11
Volume
25
Issue
3
Pages
129-134
ISSN
  • 0742-3098 (ISSN-L)
  • 1600-079X
OpenAlex
W2029459733
Cited by
235
References
35
Citations by year
2026: 5 · 2025: 9 · 2024: 12 · 2023: 14 · 2022: 16 · 2021: 16 · 2020: 13 · 2019: 12 · 2018: 14 · 2017: 13 · 2016: 13 · 2015: 12 · 2014: 9 · 2013: 11 · 2012: 4
FWCI
1.69
Type
journal article
Language
en
Open access
Locations
  • Journal of Pineal Research (publishedVersion)
  • PubMed (publishedVersion)
Topics
  • Life Sciences › Neuroscience › Endocrine and Autonomic Systems › Circadian rhythm and melatonin
  • Health Sciences › Medicine › Public Health, Environmental and Occupational Health › Pregnancy and Medication Impact
  • Health Sciences › Medicine › Public Health, Environmental and Occupational Health › Pregnancy-related medical research
Keywords
melatonin, maternal-fetal transfer, placental transfer, umbilical artery, umbilical vein, near-term pregnancy, preeclampsia, antioxidant therapy
MeSH terms
Adolescent, Adult, Biological Transport, Chromatography, High Pressure Liquid, Female, Fetal Blood, Gestational Age, Humans, Maternal-Fetal Exchange, Melatonin, Placenta, Pregnancy, Umbilical Arteries, Umbilical Veins

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