Cited by 28Hypothalamic control of reproductive hormonesCircadian rhythm and melatoninNeuroendocrine regulation and behavior

A "Timed" Kiss Is Essential for Reproduction: Lessons from Mammalian Studies

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Putteeraj, Manish, Soga, Tomoko, Ubuka, Takayoshi, Parhar, Ishwar S.·2016·Frontiers in Endocrinology

Abstract

Reproduction is associated with the circadian system, primarily as a result of the connectivity between the biological clock in the suprachiasmatic nucleus (SCN) and reproduction-regulating brain regions, such as preoptic area (POA), anteroventral periventricular nucleus (AVPV), and arcuate nucleus (ARC). Networking of the central pacemaker to these hypothalamic brain regions is partly represented by close fiber appositions to specialized neurons, such as kisspeptin and gonadotropin-releasing hormone (GnRH) neurons; accounting for rhythmic release of gonadotropins and sex steroids. Numerous studies have attempted to dissect the neurochemical properties of GnRH neurons, which possess intrinsic oscillatory features through the presence of clock genes to regulate the pulsatile and circadian secretion. However, less attention has been given to kisspeptin, the upstream regulator of GnRH and a potent mediator of reproductive functions including puberty. Kisspeptin exerts its stimulatory effects on GnRH secretion via its cognate Kiss-1R receptor that is co-expressed on GnRH neurons. Emerging studies have found that kisspeptin neurons oscillate on a circadian basis and that these neurons also express clock genes that are thought to regulate its rhythmic activities. Based on the fiber networks between the SCN and reproductive nuclei such as the POA, AVPV, and ARC, it is suggested that interactions among the central biological clock and reproductive neurons ensure optimal reproductive functionality. Within this neuronal circuitry, kisspeptin neuronal system is likely to "time" reproduction in a long term during development and aging, in a medium term to regulate circadian or estrus cycle, and in a short term to regulate pulsatile GnRH secretion.

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Crossref · 10.3389/fendo.2016.00121

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Each is checked against this paper’s own text: does it say what the citing paper says it does?

  • The LH surge is inhibited by GABA.

    “Different data converge to indicate that the LH surge is stimulated by glutamate [102,103] and inhibited by GABA [104,105]”

    From Fibromyalgia pathogenesis explained by a neuroendocrine multistable model (2024) · cites this paper as [105]

    The Introduction’s Figure 1 caption identifies GABA as inhibitory to AVPV kisspeptin neurons, which the same section links to positive feedback on the GnRH/LH surge. It does not state that GABA inhibits the LH surge itself; the claim presents an indirect pathway as a direct effect. (LLM, conf=0.82)

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Authors
Putteeraj, M., Soga, T., Ubuka, T., & Parhar, I. S.
Affiliations
Monash University Malaysia (MY)
Corresponding author
Parhar, Ishwar S.
Venue
Frontiers in Endocrinology
Published
2016-08-31
Volume
7
Pages
121-121
ISSN
1664-2392 (ISSN-L)
OpenAlex
W2515748643
Cited by
28
References
139
Citations by year
2026: 1 · 2025: 2 · 2024: 3 · 2023: 1 · 2022: 3 · 2021: 2 · 2020: 4 · 2019: 2 · 2018: 3 · 2017: 6 · 2016: 1
FWCI
0.58
Type
journal article
Language
en
Open access
Licence
cc-by
Locations
  • Frontiers in Endocrinology (publishedVersion, cc-by)
  • Europe PMC (PubMed Central) (publishedVersion, cc-by)
  • PubMed Central (publishedVersion, cc-by)
  • PubMed (publishedVersion)
  • Monash University Research Portal (Monash University) (submittedVersion, cc-by)
  • DOAJ (DOAJ: Directory of Open Access Journals) (submittedVersion, cc-by-sa)
Topics
  • Health Sciences › Medicine › Reproductive Medicine › Hypothalamic control of reproductive hormones
  • Life Sciences › Neuroscience › Endocrine and Autonomic Systems › Circadian rhythm and melatonin
  • Social Sciences › Psychology › Social Psychology › Neuroendocrine regulation and behavior
Keywords
kisspeptin, kisspeptin neurons, kisspeptin receptor, GnRH neurons, circadian clock, suprachiasmatic nucleus, clock genes, pulsatile GnRH secretion, hypothalamic-pituitary-gonadal axis, preoptic area, anteroventral periventricular nucleus, arcuate nucleus, estrous cycle, puberty, breeding phenology

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