Cited by 112Circadian rhythm and melatoninHypothalamic control of reproductive hormonesSleep and Wakefulness Research

The ‘suprachiasmatic syndrome’: endocrine and behavioural abnormalities following lesions of the suprachiasmatic nuclei in the female rat

Raisman, Geoffrey, Brown-Grant, K.·1977·Proceedings of the Royal Society of London. Series B. Biological Sciences

Abstract

Abstract Lesions of the suprachiasmatic nuclei that caused failure of spontaneous ovulation in female rats consistently produced abnormalities in other functions that are normally influenced by the light-dark cycle. In such animals morning plasma corticosterone concentrations were abnormally high and evening values abnormally low though the response to stress was unaffected. Pineal serotonin N-acetyl transferase activity was abnormally high in animals killed during the day and abnormally low in those killed at night. Although the animals were in persistent be­havioural oestrus, total voluntary wheel-running activity was not con­sistently altered but was distributed evenly between the light and dark periods rather than being confined principally to the dark periods as in normal animals. Similarly the proportion of the daily water and food intake that occurred during the dark period was reduced. The incidence of these associated abnormalities was low in lesioned rats that continued to ovulate spontaneously.

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Registry

Crossref · 10.1098/rspb.1977.0099

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36 of 36 references verified0 citation errors · 0 not checkable

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  • In traditional laboratory rodents, lesions of the SCN eliminate ovulation and produce a state of persistent estrus.

    “In traditional laboratory rodents (rats, mice, hamsters), circadian regulation of the HPG axis has received particular attention because lesions of the SCN eliminate ovulation and produce a state of persistent estrus [39, 154].”

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Authors
Raisman, G., & Brown-Grant, K.
Affiliations
University of Oxford (GB)
Venue
Proceedings of the Royal Society of London. Series B. Biological Sciences
Published
1977-09-05
Volume
198
Issue
1132
Pages
297-314
ISSN
  • 0080-4649 (ISSN-L)
  • 2053-9193
OpenAlex
W2170577561
Cited by
112
References
36
Citations by year
2023: 1 · 2022: 2 · 2020: 1 · 2019: 2 · 2015: 2 · 2014: 2 · 2013: 1 · 2012: 3
FWCI
5.98
Type
journal article
Language
en
Open access
closed
Locations
  • Proceedings of the Royal Society B Biological Sciences (publishedVersion)
  • PubMed (publishedVersion)
Topics
  • Life Sciences › Neuroscience › Endocrine and Autonomic Systems › Circadian rhythm and melatonin
  • Health Sciences › Medicine › Reproductive Medicine › Hypothalamic control of reproductive hormones
  • Life Sciences › Neuroscience › Cognitive Neuroscience › Sleep and Wakefulness Research
Keywords
suprachiasmatic nucleus, circadian rhythm, spontaneous ovulation, corticosterone, wheel running, light-dark cycle, female rats, hypothalamic lesions
MeSH terms
Adrenal Cortex, Animals, Anovulation, Circadian Rhythm, Corticosterone, Drinking, Eating, Endocrine Glands, Female, Gonadotropins, Hypothalamus, Hypothalamus, Anterior, Male, Ovulation, Pineal Gland, Running, Sexual Behavior, Animal, Testis, Rats

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