KISSPEPTIN

Kisspeptin‑5 is a short‑chain peptide in the kisspeptin family that plays a key role in regulating the hypothalamic‑pituitary‑gonadal (HPG) axis. It stimulates the hypothalamus to increase GnRH (gonadotropin‑releasing hormone) secretion, which in turn supports the release of LH (luteinizing hormone) and FSH (follicle‑stimulating hormone) — the core hormones involved in reproductive function, menstrual cycles, and gamete maturation. Research highlights its central role in reproductive hormone regulation in both males and females.

⚗️ Product Features

• 🧪 Peptide regulator of the hypothalamic‑pituitary‑gonadal (HPG) axis

• 🧠 Supports stimulation of GnRH, LH, and FSH pathways relevant to reproductive signaling

• 📈 Investigated in contexts of hormonal regulation, ovulation support, and fertility signaling

• ✅ ≥98 % purity verified by HPLC

• 📄 Batch‑specific Certificates of Analysis (COAs) included

• 💧 Sterile, lyophilized peptide for research applications

🔬 Human‑Relevant Research Applications

🧠 Regulation of GnRH, LH & FSH Secretion

Kisspeptin acts directly on the hypothalamus to stimulate release of GnRH, which in turn causes increases in LH and FSH levels — key hormones controlling reproductive function in both males and females. Clinical research has shown that administration of kisspeptin in humans causes robust increases in LH, FSH, and associated reproductive hormone activity, indicating its central role in reproductive hormone regulation.

🔗 https://pubmed.ncbi.nlm.nih.gov/23256725/ Kisspeptin administration increases plasma LH and FSH in healthy humans via activation of the HPG axis.

🧾 Mechanism Summary

• 📈 Stimulates hypothalamic GnRH release, driving the HPG axis

• 🔄 Enhances LH and FSH secretion via pituitary signaling

• 🧬 Essential for regulation of reproductive endocrine pathways in both males and females

• 🔍 Shows links to reproductive hormone pulsatility and ovulation regulation

🔄 Reconstitution & Handling Guidance

1️⃣ Reconstitute with sterile bacteriostatic water
2️⃣ Add appropriate volume based on research protocol
3️⃣ Gently swirl — do not shake
4️⃣ Store reconstituted peptide at 4–10 °C
5️⃣ Refrigerate unopened vials until use

❓ Frequently Asked Research Questions

How does Kisspeptin‑5 influence hormone release?
Kisspeptin‑5 stimulates GnRH release from the hypothalamus, which leads to increased secretion of LH and FSH by the pituitary - core hormones in reproductive endocrine signaling. 

Is Kisspeptin associated with reproductive hormone cycles?
Yes, research shows that kisspeptin is a key regulator of the HPG axis, involved in the control of reproductive hormone rhythms, ovulation signaling, and reproductive health biology.