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Emerging Research

Kisspeptin-10

Hormonal & Endocrine · Metastin 45-54, KP-10, KISS1 (112-121), Kisspeptin-112-121

The 10-amino-acid active fragment of kisspeptin studied in models of GnRH neuron activation and reproductive axis regulation.

🔬 Research use only — not for human or veterinary use. K4 Elite does not provide dosing instructions.
Molecular Formula
C63H83N17O14
Molecular Weight
1302.4 g/mol
PubChem
CID 25240297 ↗
Research Level
Emerging Research
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Kisspeptin-10 chemical structure

Kisspeptin-10 is the C-terminal decapeptide fragment of kisspeptin, a peptide encoded by the KISS1 gene. It represents the shortest sequence that retains full activity at the kisspeptin receptor, making it a widely used research tool for studying the neuroendocrine control of reproduction.

Kisspeptin signaling sits upstream of gonadotropin-releasing hormone (GnRH) and is regarded as a key gatekeeper of the reproductive axis in the published literature.

Because the field is comparatively young, kisspeptin-10 continues to be an active subject of emerging neuroendocrine research.

Kisspeptin-10 binds the kisspeptin receptor (KISS1R, formerly GPR54), a G-protein-coupled receptor expressed on GnRH neurons in the hypothalamus. Receptor activation stimulates GnRH release, which in turn drives pituitary secretion of luteinizing hormone (LH) and follicle-stimulating hormone (FSH) in study models.

Research positions kisspeptin as an essential upstream regulator that integrates metabolic and hormonal signals to modulate the reproductive axis.

  • GnRH neuron activation — studied as a potent stimulus of GnRH release via KISS1R [1].
  • Gonadotropin secretion — investigated for downstream effects on LH and FSH release [2].
  • Reproductive axis regulation — examined as a gatekeeper of puberty and fertility in animal models [1].
  • Metabolic-reproductive interface — explored for integration of energy status and reproduction [3].
  • Neuroendocrine pharmacology — characterized for KISS1R binding and signaling [1].
📋 How published studies were conducted — a research reference summarizing study designs from the literature. This is not usage, dosing, or administration guidance. K4 Elite does not provide dosing instructions; determining any research protocol is the sole responsibility of the qualified researcher.

In neuroendocrine studies, investigators administered kisspeptin-10 and measured stimulated LH and GnRH-pulse responses to characterize activation of the reproductive axis [2].

In animal models, researchers examined kisspeptin signaling through KISS1R and reported observations on GnRH neuron firing and puberty onset [1]. Additional studies explored how metabolic and hormonal signals modulate kisspeptin neurons [3]. These are reported study observations, provided for reference only.

Combinations examined in the research literature. Descriptive only — not a recommendation to combine compounds.

GonadorelinSynergistic
Kisspeptin acts upstream of GnRH; the two are studied together in reproductive-axis research.
TriptorelinNeutral
A GnRH agonist acting downstream of kisspeptin; usually studied as a comparator in axis research.
InsulinNeutral
Metabolic signals such as insulin are studied for their modulation of kisspeptin neurons.
LeptinCompatible
Leptin is studied as a metabolic signal influencing kisspeptin neuron activity in the reproductive axis.
  1. Gottsch ML et al., Endocrinology 2004 (kisspeptin and reproduction)
  2. Dhillo WS et al., J Clin Endocrinol Metab 2005 (kisspeptin-54 LH release)
  3. Roa J et al., Front Neuroendocrinol 2008 (kisspeptin metabolic control)
What is kisspeptin-10?
It is the C-terminal 10-amino-acid fragment of kisspeptin and the shortest sequence that fully activates the kisspeptin receptor (KISS1R).
Where does it act in the reproductive axis?
It acts on KISS1R on hypothalamic GnRH neurons, upstream of GnRH, positioning it as a gatekeeper of the reproductive axis in research.
What research areas has it been studied in?
Studies span GnRH neuron activation, LH/FSH secretion, puberty and fertility models, and the metabolic-reproductive interface.
How does it relate to GnRH peptides?
Kisspeptin signaling drives GnRH release, so kisspeptin-10 is studied upstream of GnRH agonists like gonadorelin and triptorelin.
Is this material intended for human use?
No. This entry describes a compound supplied strictly for in-vitro and laboratory research use only, not for human or veterinary use.
Disclaimer: This profile summarizes published preclinical and laboratory research for reference only. It is not medical advice and makes no claim of safety or efficacy in humans. Determining any research protocol is the sole responsibility of the qualified researcher. Products are sold strictly for in-vitro research and have not been evaluated by the FDA.