Cited by 113Circadian rhythm and melatoninHypothalamic control of reproductive hormonesRegulation of Appetite and Obesity

Kisspeptin Neurons in the Arcuate Nucleus of the Hypothalamus Orchestrate Circadian Rhythms and Metabolism

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Padilla, Stephanie L., Perez, Jazmine G., Ben-Hamo, Miriam, Johnson, Christopher W., Sanchez, Raymond E.A., Bussi, Ivana L., Palmiter, Richard D., de la Iglesia, Horacio O.·2019·Current Biology

Abstract

Successful reproduction in female mammals is precisely timed and must be able to withstand the metabolic demand of pregnancy and lactation. We show that kisspeptin-expressing neurons in the arcuate hypothalamus (Kiss1 ARH) of female mice control the daily timing of food intake, along with the circadian regulation of locomotor activity, sleep, and core body temperature. Toxin-induced silencing of Kiss1 ARH neurons shifts wakefulness and food consumption to the light phase and induces weight gain. Toxin-silenced mice are less physically active and have attenuated temperature rhythms. Because the rhythm of the master clock in the suprachiasmatic nucleus (SCN) appears to be intact, we hypothesize that Kiss1 ARH neurons signal to neurons downstream of the master clock to modulate the output of the SCN. We conclude that, in addition to their well-established role in regulating fertility, Kiss1 ARH neurons are a critical component of the hypothalamic circadian oscillator network that times overt rhythms of physiology and behavior.

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  • There is a reciprocal interaction between neural circuits that regulate energy balance, body temperature, and reproduction, ensuring an adequate energy reserve to meet the demands of reproduction.

    “Indeed, given the substantial investment of energy required for fertility, pregnancy, and lactation, it is not surprising that there is a reciprocal interaction between neural circuits that regulate energy balance, body temperature, and reproduction. This interaction ensures an adequate energy reserve to meet the demands of reproduction [47].”

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Authors
Padilla, S. L., Perez, J. G., Ben-Hamo, M., Johnson, C. W., Sanchez, R. E. A., Bussi, I. L., Palmiter, R. D., & de la Iglesia, H. O.
Affiliations
  • University of Washington (US)
  • Howard Hughes Medical Institute (US)
Venue
Current Biology
Publisher
Elsevier BV
Published
2019-02
Volume
29
Issue
4
Pages
592-604.e4
ISSN
0960-9822 (ISSN-L)
OpenAlex
W2914272305
Cited by
113
References
90
Citations by year
2026: 10 · 2025: 16 · 2024: 12 · 2023: 14 · 2022: 9 · 2021: 28 · 2020: 15 · 2019: 9
FWCI
8.42
Type
journal article
Language
en
Open access
Locations
  • Current Biology (publishedVersion)
  • PubMed (publishedVersion)
  • PubMed Central (acceptedVersion)
Funders
National Institutes of Health (R01-NS094211, R01-DA24908)
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 › Endocrine and Autonomic Systems › Regulation of Appetite and Obesity
Keywords
kisspeptin neurons, KISS1, arcuate nucleus, hypothalamus, circadian rhythm, dietary intake, locomotor activity, sleep, core body temperature, suprachiasmatic nucleus, female reproduction, metabolism, weight gain
MeSH terms
Animals, Arcuate Nucleus of Hypothalamus, Body Temperature, Circadian Rhythm, Feeding Behavior, Female, Locomotion, Neurons, Sleep, Mice, Kisspeptins

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