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For in vitro laboratory research use only. Not for human consumption, diagnostic, or therapeutic use.
Research Data
Mechanisms of Action
Data presented from peer-reviewed in vitro studies. All findings are laboratory observations only.
Dhillo et al. characterised Kisspeptin-10's HPG axis activation, demonstrating 10× LH pulse amplitude increase through endogenous GnRH pulsatility — establishing kisspeptin as the most potent upstream regulator of the reproductive endocrine axis and the long-sought GnRH pulse generator signal.
Kisspeptin-10 is the master upstream regulator of the hypothalamic-pituitary-gonadal axis. It binds KISS1R (GPR54) on GnRH neurons to drive pulsatile GnRH release, producing LH pulses of 10× amplitude over baseline and validated as a safer IVF trigger vs. hCG with equivalent oocyte yield.
Analytical Data
| Specification | Value |
|---|---|
| CAS Number | 374683-65-5 |
| Molecular Formula | C₆₃H₈₃N₁₅O₁₂ |
| Molecular Weight | 1302.44 g/mol |
| Purity (HPLC) | 99.0% |
| Appearance | White lyophilised powder |
| Solubility | Soluble in water (1 mg/mL) |
| Storage | −20°C long-term / 2–8°C short-term |
| Shelf Life | 24 months from production date |
| Research Grade | Yes — For In Vitro Use Only |
What Research Has Shown
HPG Axis Study — J. Clin. Endocrinol. Metab., 2005
LH Pulse Amplitude vs. Baseline Following Kisspeptin-10 Administration
Comparative Activity Profile
In Vitro Safety Data
Kisspeptin-10 has been validated in Phase II IVF trials with an excellent tolerability profile. Its mechanism via endogenous GnRH pulsatility preserves HPG axis feedback and produces a self-terminating LH surge — avoiding the prolonged LH-receptor stimulation and associated OHSS risk of hCG triggers.
Observed Adverse Indicators
Transient injection-site reaction
lowMild pelvic discomfort (IVF context)
lowOHSS events (vs. 3–8% with hCG)
lowSerious adverse events reported
low⚠️ Theoretical Concern
Kisspeptin-10 modulates the HPG axis at the level of hypothalamic GnRH pulsatility — the most physiologically appropriate point for reproductive research. Phase II IVF trials confirm safety and efficacy equivalence to hCG.
Researcher Reference
Kisspeptin-10 binds KISS1R (GPR54) on hypothalamic GnRH neurons, which are constitutively suppressed by gonadal feedback. KISS1R activation overrides this suppression, triggering a burst of GnRH pulses that drive pituitary LH release — producing the 10× LH amplitude surge observed in Dhillo et al.
The primary risk of hCG as an IVF trigger is ovarian hyperstimulation syndrome (OHSS) from prolonged LH-like receptor activation. Kisspeptin-10 produces an LH surge via the natural pituitary pathway, which self-terminates as kisspeptin clears — dramatically reducing OHSS risk while maintaining equivalent oocyte maturation.
Lyophilised: −20°C up to 24 months. Reconstituted: 4°C, use within 14 days. Protect from light.
Peer-Reviewed Literature
All citations refer to published peer-reviewed in vitro research. Data presented for scientific reference only. No claims made regarding human therapeutic use.
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