Gonadorelin (5mg)

What is Gonadorelin (5mg)?

Gonadorelin (5mg) is a synthetic form of gonadotropin-releasing hormone (GnRH)—a naturally occurring peptide produced in the hypothalamus. In the body, GnRH signals the pituitary gland to release gonadotropins, mainly luteinizing hormone (LH) and follicle-stimulating hormone (FSH), which are key regulators of reproductive hormone pathways.

In laboratory research, gonadorelin is commonly grouped within sexual health and hormonal peptides and serves as a controlled reference compound for studying the hypothalamic–pituitary–gonadal (HPG) axis, including receptor signaling, hormonal feedback, and endocrine regulation in cell, tissue, and animal models.

Product Specifications

• Synonyms: GnRH, LHRH, LH-RH, Gonadotropin-Releasing Hormone, Luteinizing Hormone-Releasing Hormone, Gonadoliberin, Factrel
• Peptide Sequence: Pyr-His-Trp-Ser-Tyr-Gly-Leu-Arg-Pro-Gly
• Chemical Formula: C₅₅H₇₅N₁₇O₁₃​
• Molecular Weight: 1182.3 g/mol​
• Packaging Format: 5 mg lyophilized (freeze‑dried) peptide in a sealed laboratory vial, suitable for reconstitution prior to use​
• Storage Conditions: Store at −20°C, protected from light; minimize exposure to moisture and repeated freeze–thaw cycles​
• Intended Use: For laboratory research use only; not for human or veterinary use

Key Characteristics of Gonadorelin (5mg)

• Matches Native GnRH: Mirrors the natural decapeptide structure used by the hypothalamus.
• GnRH Receptor Agonist: Activates GnRH receptors on pituitary gonadotroph cells to support controlled pathway studies.
• HPG Axis Research Tool: Helps investigate hormone signaling, feedback loops, and reproductive endocrinology mechanisms.
• Lyophilized for Stability: Supplied freeze-dried to support stability during shipping and storage.
• Broad Model Compatibility: Supports in vitro and in vivo study designs when handled per institutional standards.
• Identity/Purity Verification: Commonly characterized using methods such as HPLC and mass spectrometry (MS).
• Research-Only Reagent: Designed to standardize GnRH exposure in controlled experimental settings.

How Gonadorelin (5mg) Supports Research

Gonadorelin (5mg) provides researchers with a consistent, well-defined GnRH peptide that can be used to trigger or modulate GnRH receptor signaling under controlled conditions. Because GnRH is central to the timing and amount of gonadotropin release, experimental use of gonadorelin helps clarify how this signaling system influences downstream hormone production and reproductive pathways.

In laboratory models, applying gonadorelin allows investigators to map how changes in GnRH input affect pituitary responses, gene expression, and related hormonal networks.

Research Applications & Usage Information

• HPG Axis Physiology: Employed to study how GnRH pulses influence the secretion of luteinizing hormone (LH) and follicle-stimulating hormone (FSH) from the pituitary, and how these hormones interact with gonadal tissues.
• Receptor Pharmacology: Used to characterize GnRH receptor binding, activation, desensitization, and internalization in cell lines and primary pituitary cultures.
• Endocrine Feedback Studies: Incorporated into animal and ex vivo models to investigate feedback loops linking sex steroids, GnRH neurons, and pituitary output.
• Signal Transduction Research: Applied to explore intracellular signaling pathways (such as calcium dynamics and kinase activation) following GnRH receptor stimulation in target cells.
• Developmental and Neuroendocrine Studies: Utilized in models assessing how GnRH signaling contributes to sexual maturation, reproductive axis development, and neuroendocrine integration.
• Systems Biology and Omics: Can serve as a defined stimulus in transcriptomic, proteomic, or metabolomic studies examining hormone-regulated networks in endocrine and reproductive tissues.

No specific experimental protocols, dosing, or administration routes are recommended or implied here; study designs should be determined by qualified investigators in line with institutional and regulatory requirements.

Handling and Storage Recommendations

• Keep vials sealed at −20°C or colder, dry, and protected from light.
• Let the vial reach room temperature while sealed to reduce condensation.
• Place at 2-8°C for short-term storage or -20°C for long-term, based on your lab’s validated stability practices; discard if appearance changes.
• Use standard PPE and dispose of waste per institutional procedures.

Research Use Only Notice

This product is intended for laboratory research use only and is not approved for human or veterinary use. It is not intended for diagnostic, therapeutic, or clinical applications. Any reference to biological activity or potential effects is based solely on preclinical or in‑vitro findings and should not be interpreted as validated clinical outcomes. Researchers are responsible for ensuring proper handling, storage, and disposal in accordance with institutional, federal, and international guidelines.

References

1. Flanagan CA, Manilall A. Gonadotropin-Releasing hormone (GNRH) receptor structure and GNRH binding. Frontiers in Endocrinology. 2017;8:274. doi:10.3389/fendo.2017.00274
2. Millar RP, Lu ZL, Pawson AJ, Flanagan CA, Morgan K, Maudsley SR. Gonadotropin-Releasing hormone receptors. Endocrine Reviews. 2004;25(2):235-275. doi:10.1210/er.2003-0002
3. Casati L, Ciceri S, Maggi R, Bottai D. Physiological and pharmacological overview of the gonadotropin releasing hormone. Biochemical Pharmacology. 2023;212:115553. doi:10.1016/j.bcp.2023.115553
4. Isurugi K. Gonadotropin-releasing hormone (GnRH). British Journal of Pharmacology. 2009;158:S57-S58. doi:10.1111/j.1476-5381.2009.00501_32.x
5. Acevedo‐Rodriguez A, Kauffman AS, Cherrington BD, Borges CS, Roepke TA, Laconi M. Emerging insights into hypothalamic‐pituitary‐gonadal axis regulation and interaction with stress signalling. Journal of Neuroendocrinology. 2018;30(10):e12590. doi:10.1111/jne.12590