Cited by 90Circadian rhythm and melatoninHypothalamic control of reproductive hormonesBirth, Development, and Health

Melatonin: role in development

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Davis, Fred C.·1997·Journal of Biological Rhythms

Abstract

Melatonin is the mammalian fetus's window to periodicity of the outside world. Through melatonin, the fetus "knows" what time of year it is and, in all likelihood, also knows the time of day. The best known function of melatonin during development is to communicate information about photoperiod and thereby adaptively regulate reproductive development. A second likely function of melatonin during development, which may be related to but more widespread than the first, is to entrain the developing circadian pacemaker. Prenatal maternal entrainment occurs in all of the eutherian mammals in which it has been examined, and in Syrian hamsters exogenous melatonin during development causes entrainment. The broader distribution and greater abundance of melatonin receptors during development, relative to mature animals, suggests that developmental effects of melatonin are greater and more diverse. The human fetal suprachiasmatic nucleus expresses melatonin binding sites and is therefore likely to be affected by both endogenous and exogenous melatonin with consequences for the prenatal and postnatal expression and entrainment of circadian rhythms. Caution is warranted, not only concerning the use of exogenous melatonin during pregnancy and lactation but also concerning behavior that might disrupt the mother's endogenous melatonin rhythm.

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Crossref · 10.1177/074873049701200603

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  • The development of the 24-h circadian rest-activity rhythm is observed in infants as young as 3 weeks old and is potentially influenced by a mother's rest-activity cycle and maternal melatonin rhythm.

    “After birth, the development of the 24-h circadian rest-activity rhythm is observed in infants as young as 3 wk old and is potentially influenced by a mother's rest-activity cycle (88) and maternal melatonin rhythm (89).”

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Authors
Davis, F. C.
Affiliations
Northeastern University (US)
Corresponding author
Davis, Fred C.
Venue
Journal of Biological Rhythms
Published
1997-12
Volume
12
Issue
6
Pages
498-508
ISSN
  • 0748-7304 (ISSN-L)
  • 1552-4531
OpenAlex
W1984501931
Cited by
90
References
29
Citations by year
2026: 1 · 2025: 1 · 2024: 2 · 2023: 1 · 2022: 3 · 2021: 2 · 2020: 4 · 2019: 4 · 2018: 6 · 2017: 1 · 2016: 2 · 2015: 4 · 2014: 4 · 2012: 3
FWCI
1.22
Type
journal article
Language
en
Open access
Locations
  • Journal of Biological Rhythms (publishedVersion)
  • PubMed (publishedVersion)
Funders
  • National Institutes of Health
  • National Institute of Child Health and Human Development
  • Eunice Kennedy Shriver National Institute of Child Health and Human Development (HD 18686)
Topics
  • Life Sciences › Neuroscience › Endocrine and Autonomic Systems › Circadian rhythm and melatonin
  • Health Sciences › Medicine › Reproductive Medicine › Hypothalamic control of reproductive hormones
  • Health Sciences › Medicine › Pediatrics, Perinatology and Child Health › Birth, Development, and Health
Keywords
melatonin, fetal development, photoperiod, reproductive development, circadian entrainment, circadian pacemaker, suprachiasmatic nucleus, melatonin receptors, prenatal exposure, exogenous melatonin, golden hamster, placental mammals, seasonal adaptation
MeSH terms
Animals, Circadian Rhythm, Female, Embryonic and Fetal Development, Fetus, Cricetinae, Humans, Melatonin, Pregnancy, Sexual Maturation

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