Kisspeptin 5mg – HPG Axis Research Peptide

Kisspeptin is an endogenous neuropeptide encoded by the KISS1 gene, recognized as a critical upstream regulator of the hypothalamic-pituitary-gonadal (HPG) axis. It has been extensively studied in reproductive endocrinology research, with particular focus on its role in gonadotropin-releasing hormone (GnRH) signaling and the central regulation of reproductive function.

This 5mg lyophilized formulation is supplied at ≥99% purity and intended strictly for laboratory research purposes.

Key Features

• 5mg lyophilized Kisspeptin
• Endogenous KISS1-derived neuropeptide studied in HPG axis research
• Key upstream regulator of GnRH signaling in neuroendocrine models
• ≥99% purity
• Research use only
• Fast Australian shipping

Mechanism Overview

Kisspeptin exerts its primary studied effects through binding to the kisspeptin receptor (KISS1R, also known as GPR54), a G protein-coupled receptor expressed on GnRH-secreting neurons in the hypothalamus. In research models, activation of KISS1R by kisspeptin has been consistently described as stimulating pulsatile GnRH release from hypothalamic neurons, which in turn drives downstream secretion of luteinizing hormone (LH) and follicle-stimulating hormone (FSH) from the anterior pituitary.

This positions Kisspeptin as a master upstream regulator of the HPG axis in preclinical research, making it a widely referenced tool compound in studies examining reproductive neuroendocrinology, puberty onset mechanisms, and fertility-related signaling pathways.

Research has also investigated Kisspeptin’s role in mediating the negative and positive feedback effects of sex steroids on GnRH neurons, with KISS1-expressing neuronal populations in the arcuate nucleus and anteroventral periventricular nucleus proposed as key sites of steroid hormone sensing. This feedback regulation has made Kisspeptin central to research into conditions characterized by disrupted HPG axis signaling.

Beyond reproductive biology, KISS1R expression in peripheral tissues has prompted additional investigation into Kisspeptin’s potential roles in metabolic regulation and tumor suppression signaling, further broadening its research profile.

Stability and Handling

Kisspeptin is supplied in lyophilized (freeze-dried) form to preserve peptide integrity during storage and transport.

Standard laboratory handling considerations include:

• Refrigerated storage following reconstitution
• Protection from direct light exposure
• Avoiding repeated temperature fluctuations

Research Use Only

Kisspeptin is supplied strictly for laboratory research and educational purposes. It is not approved for therapeutic use and is not intended for human consumption.