What is Kisspeptin-10?
Kisspeptin-10 is a truncated 10-amino-acid fragment of the kisspeptin family of neuropeptides, encoded by the KISS1 gene. It is a key regulator of the hypothalamic–pituitary–gonadal (HPG) axis, acting as a potent stimulator of gonadotropin-releasing hormone (GnRH) secretion in research models.
Kisspeptin-10 Structure
| Peptide Name | Kisspeptin-10 |
| Synonyms | KP-10, metastin (45–54) |
| Sequence | Tyr-Asn-Trp-Asn-Ser-Phe-Gly-Leu-Arg-Phe-NH2 |
| Molecular Formula | C₆₃H₈₃N₁₅O₁₃ |
| Molecular Weight | 1,302.44 g/mol |
Kisspeptin-10 Research
1. Kisspeptin-10 and GnRH Signalling
Kisspeptin-10 binds to KISS1R (GPR54) receptors on GnRH neurons, triggering robust LH and FSH surges in animal and human research models.
2. Kisspeptin-10 and Testosterone Regulation
Studies have shown that Kisspeptin-10 administration leads to measurable increases in LH pulse frequency, modulating testosterone secretion in male subjects in controlled research settings.
3. Kisspeptin-10 and Metabolic Interplay
Emerging research suggests Kisspeptin signalling intersects with energy homeostasis, with KISS1R expressed in peripheral metabolic tissues including the pancreas and adipose tissue.
Future Kisspeptin-10 Research
Future research directions include its role in puberty timing, fertility regulation, and potential applications in hypogonadism research models.
Kisspeptin-10 Resources
- Dhillo WS, et al. – Kisspeptin-54 stimulates the hypothalamic–pituitary gonadal axis. J Clin Endocrinol Metab, 2005.
- Oakley AE, et al. – Kisspeptin signaling in the brain. Endocrine Reviews, 2009.


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