Kisspeptin (1 Vial)

Buy kisspeptin — research-grade kisspeptin peptide (10mg vial) with 99%+ purity, US-manufactured and independently verified by HPLC and mass spectrometry. Kisspeptin is a naturally occurring neuropeptide encoded by the KISS1 gene that plays a central role in reproductive endocrinology, hypothalamic signaling, and emerging areas of skin biology and melanogenesis research. Researchers who buy kisspeptin from PSPeptides receive a batch-specific Certificate of Analysis confirming purity and molecular identity.

What Is Kisspeptin?

Kisspeptin is a family of peptides derived from the KISS1 gene product, initially identified as a metastasis suppressor in melanoma cell lines but later recognized for its dominant role in regulating gonadotropin-releasing hormone (GnRH) neurons in the hypothalamus. When research laboratories buy kisspeptin for in vitro and in vivo experiments, they gain access to one of the most thoroughly studied neuropeptides in modern reproductive science. The kisspeptin system represents a critical upstream regulator of the hypothalamic-pituitary-gonadal (HPG) axis, and disruptions in this pathway have been linked to delayed puberty, hypothalamic amenorrhea, and infertility syndromes in both sexes. For a comprehensive introduction, see our complete guide to research peptides.

Key Research Applications

• Reproductive Endocrinology: Kisspeptin activates GnRH neurons and stimulates the pulsatile release of LH and FSH, making it a foundational signaling molecule in studies of the HPG axis, puberty onset, and fertility regulation across vertebrate species.
• Melanogenesis and Skin Biology: Studies have examined kisspeptin’s role in pigmentation pathways through its interaction with the melanocortin system and KISS1R expression in melanocyte lineage cells, supporting its use in skin peptide research.
• Neuroendocrine Signaling: Researchers studying hypothalamic pulse generation and neuroendocrine feedback loops use kisspeptin as a molecular probe for characterizing GnRH circuitry, Kiss1 neuron populations, and neuropeptide co-transmission.
• Metabolic Research: Emerging data links kisspeptin signaling with insulin secretion and glucose homeostasis in pancreatic beta cells, supporting its use in metabolic pathway investigations related to type 2 diabetes and obesity models.
• Oncology Models: As a product of the KISS1 metastasis suppressor gene, kisspeptin remains relevant to cancer biology research, particularly studies of invasion, migration, and metastatic potential in melanoma and breast cancer models.

Product Specifications