Kisspeptin-10 Nasal Spray

🔬 Product Overview: The Master Gatekeeper of Reproductive Endocrinology

Welcome to the forefront of reproductive neuroscience and endocrinology. At Buy Peptides Online USA, we are pleased to present our Kisspeptin-10 Nasal Spray—a specialized, ready-to-use formulation of the shortest and most potent biologically active fragment of the kisspeptin peptide family, designed for laboratory investigation into the fundamental mechanisms governing puberty, fertility, and the entire hypothalamic-pituitary-gonadal (HPG) axis.

The discovery of kisspeptin and its receptor (KISS1R, also known as GPR54) is widely regarded as one of the most significant breakthroughs in reproductive biology of the past two decades. It is now established that kisspeptin acts as the essential gatekeeper of GnRH neurons, the master cells that control the reproductive axis . Mutations in the KISS1 or KISS1R genes lead to a complete failure to undergo puberty and profound hypogonadotropic hypogonadism, underscoring the peptide’s indispensable role in reproductive competence .

Our nasal spray format offers researchers a practical, non-invasive delivery method for animal model studies, eliminating the variables associated with reconstitution and providing a consistent, metered dose for reproducible research protocols. Intranasal administration provides a direct pathway to the brain, which is particularly relevant for studying the central actions of this key neuropeptide.

🔍 What is Kisspeptin-10?

Peptide Structure and Nomenclature:
Kisspeptin-10 is a synthetic decapeptide corresponding to the C-terminal region of the full-length kisspeptin protein (metastin). It is the shortest fragment that retains full biological activity and high-affinity binding to the KISS1 receptor. It has the following precise characteristics :

The Kisspeptin System:

• Kisspeptin (Metastin): The full-length peptide, originally identified as a metastasis suppressor gene product.
• Kisspeptin-10 (KP-10): The C-terminal decapeptide that is equipotent to longer forms in activating the KISS1 receptor . It is the most commonly used form in research due to its potency and ease of synthesis.
• KISS1 Receptor (GPR54): A G-protein-coupled receptor expressed on GnRH neurons. Its activation is absolutely required for GnRH release and subsequent LH/FSH secretion.

⚙️ Key Features & Technical Specifications

When you choose to buy research peptides online from Buy Peptides Online USA, you are selecting products manufactured to the highest standards for laboratory use.

• Mechanism of Action: Kisspeptin-10 is a potent, specific agonist of the KISS1 receptor (GPR54) . Binding to this receptor on GnRH neurons triggers:
  • G_q/11 Pathway: Activates phospholipase C (PLC), leading to inositol phosphate (IP3) production, intracellular calcium mobilization, and diacylglycerol (DAG) formation.
  • GnRH Neuron Depolarization: This signaling cascade directly depolarizes GnRH neurons, causing them to fire action potentials and release GnRH into the hypophyseal portal system.
  • Pituitary Activation: GnRH then stimulates the anterior pituitary to secrete luteinizing hormone (LH) and follicle-stimulating hormone (FSH), the primary drivers of gonadal function.
• Primary Research Focuses: Reproductive neuroendocrinology (GnRH neuron function), puberty onset mechanisms, fertility and infertility models, hypothalamic control of LH/FSH pulsatility, metabolic regulation of fertility (e.g., links to leptin and energy balance), placental biology, and oncology research (metastasis suppression).
• Delivery Format: Pre-formulated nasal spray with a metered pump, ensuring consistent, reproducible dosing in animal model research. Intranasal delivery is a validated route for targeting the central nervous system with neuropeptides.
• Purity: ≥98% (Verified by third-party HPLC and MS).
• Quality Verification: Every batch is accompanied by a Certificate of Analysis (COA) , utilizing High-Performance Liquid Chromatography (HPLC) to verify purity and Mass Spectrometry (MS) to confirm the peptide’s molecular weight (theoretical monoisotopic mass 1189.61 Da) and sequence identity .

📊 Kisspeptin-10 Specifications Table

🧪 Primary Research Applications

This nasal spray formulation serves as a versatile tool for multiple lines of scientific inquiry. Below are key research areas where Kisspeptin-10 is commonly investigated:

🧬 Reproductive Neuroendocrinology:
This is the core application, leveraging kisspeptin’s central role as the master regulator:

• GnRH Neuron Function: Kisspeptin-10 is the essential tool for studying the physiology of GnRH neurons, the final common pathway for central regulation of reproduction. Researchers use it to probe GnRH neuron excitability, firing patterns, and responsiveness .
• Puberty Onset: It is extensively used to investigate the mechanisms that trigger the pubertal reactivation of GnRH secretion, a process that remains a central mystery in developmental biology .
• LH Pulsatility: Kisspeptin administration in animal models stimulates robust LH release, allowing researchers to study the dynamics of pituitary gonadotropin secretion and the feedback effects of sex steroids .

⚕️ Fertility and Infertility Research:

• Hypogonadotropic Hypogonadism Models: Because mutations in the kisspeptin system cause a complete lack of puberty and infertility, Kisspeptin-10 is used in preclinical models to explore potential therapies for forms of central hypogonadism .
• Polycystic Ovary Syndrome (PCOS): Research has implicated abnormal kisspeptin signaling in the pathophysiology of PCOS, making it a target for investigating the neuroendocrine origins of this common disorder .
• Metabolic Regulation of Fertility: Kisspeptin neurons are a key site where metabolic signals (like leptin and insulin) converge to regulate fertility. Kisspeptin-10 is used to study how energy balance (e.g., in undernutrition or obesity) impacts the reproductive axis .

🧠 Neuroendocrine and Behavioral Research:

• Positive and Negative Feedback: Kisspeptin neurons in different hypothalamic nuclei (arcuate vs. anteroventral periventricular) mediate the negative and positive feedback effects of estrogen, respectively. Kisspeptin-10 helps dissect these distinct circuits.
• Seasonal Breeding: In seasonal breeders, kisspeptin expression fluctuates with photoperiod, and it is a key tool for studying how environmental cues regulate reproduction.
• Placental Function: Kisspeptin is produced in high quantities by the placenta, and research explores its role in trophoblast invasion and pregnancy maintenance.

🔬 Oncology Research:

• Metastasis Suppression: The full-length kisspeptin (metastin) was originally discovered as a metastasis suppressor. KP-10 is used in cancer research to study pathways inhibiting tumor cell migration and invasion, particularly in melanoma and breast cancer models .

📝 Handling & Laboratory Use

Important Distinction:
This product is a Kisspeptin-10 Nasal Spray specifically formulated for research applications requiring non-invasive delivery. The peptide is pre-dissolved in a sterile, biocompatible solution appropriate for intranasal administration in laboratory animal models. It is ready to use and requires no reconstitution.

Storage Guidelines:

• Unopened: Store refrigerated at 2-8°C (36-46°F) . Do not freeze.
• In Use: After first use, maintain refrigeration and use within 30 days for optimal stability.
• Protection: Keep away from direct light and heat sources. For long-term storage of lyophilized material, -20°C is recommended .

Research Administration Considerations:

• Intranasal Delivery for CNS Targeting: Intranasal administration is a particularly relevant route for Kisspeptin-10 research, as it allows for direct delivery to the brain, bypassing the blood-brain barrier. This is crucial for studying its central effects on GnRH neurons in the hypothalamus.
• Dosing Protocols: Dosing in published research varies. In rodent models, peripheral administration of KP-10 at doses ranging from 1-50 nmol/kg potently stimulates LH release .

Safety & Handling Precautions:

• For laboratory research use only. Not for human or veterinary use .
• Handle using appropriate personal protective equipment (PPE): gloves, lab coat, and eye protection.
• Use in a well-ventilated area.
• Dispose of unused material according to institutional biosafety guidelines.

✅ Why Choose Buy Peptides Online USA?

When you need to buy Kisspeptin-10 nasal spray online in the USA for research purposes, trust and verification are paramount. Here is why researchers consistently choose us:

🔬 Verified Quality Assurance:

We do not rely on claims. Each product batch is analyzed using Third-Party HPLC and Mass Spectrometry. You can view the Certificate of Analysis (COA) to verify the peptide’s Molecular Weight (1190.35 Da), sequence, and purity (>98%) .

🧪 Authenticity Guarantee:

Our peptides are sourced from GMP-compliant manufacturing facilities. We guarantee that the Molecular Formula (C₅₉H₇₉N₁₅O₁₂) and Sequence (Tyr-Asn-Trp-Asn-Ser-Phe-Gly-Leu-Arg-Phe-NH2) match the product specifications, ensuring your research is built on a foundation of quality .

📦 Fast & Discreet Shipping:

We understand that timely delivery is critical for ongoing research. We offer:

• Fast, reliable shipping across the USA
• Discreet, temperature-controlled packaging to maintain cold chain integrity
• Tracking information for all orders
• Free shipping on orders over $300

💼 Professional Research Support:

Our team understands the needs of the research community:

• Technical Consultation: Questions about handling, storage, or research applications? Our knowledgeable team is here to help.
• 24/7 Customer Support: We are available when you need us.
• Product Replacement: Clear policies for damaged or incorrect items.
• Research-Only Integrity: We provide clear, accurate information without medical claims or marketing exaggeration .

💳 Secure & Flexible Payment:

• Secure checkout with data protection
• Crypto Payments Accepted: Bitcoin, Ethereum, and USDT
• Multiple payment options for your convenience

❓ Frequently Asked Questions (FAQ)

Q: What is the primary function of Kisspeptin-10 in research?
A: Kisspeptin-10 is primarily investigated as the master regulator of the reproductive axis. Its main research applications include studying the central control of GnRH neurons, the mechanisms of puberty onset, fertility and infertility pathways, and the metabolic regulation of reproduction .

Q: Why is Kisspeptin-10 considered so important in reproductive biology?

A: It is now understood that kisspeptin signaling via its receptor (GPR54) on GnRH neurons is an absolute requirement for normal reproductive function. Genetic mutations that disrupt this system cause a complete failure to undergo puberty and result in infertility (hypogonadotropic hypogonadism) . It acts as the essential gatekeeper, integrating signals from the body (metabolic status, sex steroids) to control GnRH release.

Q: What is the difference between Kisspeptin-10 and longer kisspeptin forms?

A: The kisspeptin protein exists in several biologically active fragments (KP-54, KP-14, KP-13, KP-10). Kisspeptin-10 is the C-terminal decapeptide and is the shortest fragment that retains full potency and affinity for the KISS1 receptor . It is commonly used in research for its robust activity and ease of synthesis.

Q: Is this Kisspeptin-10 product ready to use?

A: Yes. Unlike lyophilized powders that require reconstitution with bacteriostatic water or other solvents, our Kisspeptin-10 Nasal Spray arrives pre-formulated and ready for research use. This eliminates variables associated with reconstitution and ensures consistent dosing.

Q: How is the purity of Kisspeptin-10 verified?

A: Every batch undergoes rigorous third-party testing using High-Performance Liquid Chromatography (HPLC) to verify purity (≥98%) and Mass Spectrometry (MS) to confirm the peptide’s identity and Molecular Weight (1190.35 Da) . These Certificates of Analysis are available upon request.

Q: Is intranasal administration relevant for studying Kisspeptin-10?

A: Yes, highly relevant. Intranasal delivery is a validated route for targeting the central nervous system with peptides. Since Kisspeptin-10’s primary site of action is on GnRH neurons located in the hypothalamus (within the brain), intranasal administration offers a non-invasive method to study its central effects in animal models, bypassing the blood-brain barrier.

Q: How should the Kisspeptin-10 Nasal Spray be stored?

A: Store refrigerated at 2-8°C (36-46°F) at all times. Do not freeze. Protect from light. After first use, maintain refrigeration and use within 30 days for optimal stability.

Q: Is this product for human use?

A: No. This product is sold strictly for research and laboratory use only . It is not a drug, food, or cosmetic, and is not for human or veterinary use. We maintain strict research-only integrity in all our products.

📦 Packaging & Shipping

• Packaging: Professional, discreet, temperature-controlled packaging to maintain cold chain integrity
• Domestic Shipping: Fast USA shipping (2-5 business days)
• International Shipping: Available worldwide (subject to local regulations)
• Free Shipping: On all USA orders over $300
• Tracking: Provided for all orders

⚠️ Important Notes & Warnings

• For Research Use Only: This product is intended for laboratory research purposes only . It is not for human consumption, not for medical use, and not for veterinary use.
• Regulatory Compliance: Buyers are responsible for compliance with all applicable local, state, and federal laws regarding the purchase and use of research peptides.
• Safety Data: Handle with appropriate laboratory safety protocols. Use personal protective equipment.
• No Medical Claims: We make no claims regarding diagnostic, therapeutic, or medical benefits. All information provided is for scientific reference only .

Ready to advance your reproductive neuroscience research? Secure your supply of this premium Kisspeptin-10 Nasal Spray today. With verified purity, professional support, and fast, temperature-controlled shipping from the USA, Buy Peptides Online USA is your trusted partner for quality research peptides.

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