Oxytocin Research Guide: Neuropeptide in Social & Behavioral Studies
Oxytocin is a nine-amino-acid neuropeptide central to social bonding, trust, and behavioral research literature.
What is Oxytocin?
Oxytocin is a cyclic nonapeptide (Cys-Tyr-Ile-Gln-Asn-Cys-Pro-Leu-Gly-NH₂ with a disulfide bridge) synthesized in the hypothalamus. It functions as both a circulating hormone and a central neuromodulator.
Mechanism of action
Peripheral oxytocin drives uterine contraction and milk ejection via OTR on smooth muscle. Central oxytocin, released from parvocellular projections, modulates amygdala reactivity, social salience, and prosocial behavior in behavioral neuroscience models.
Sourcing & purity
Research-grade material should be ≥99% pure by HPLC with peptide content confirmed via mass spectrometry. Redline Bio material ships with batch documentation; independent third-party COAs are published on the lab reports page as testing returns.
Compliance reminder
Sold and distributed for laboratory research use only. Not approved by the FDA for human consumption, diagnosis, treatment, or cure of any disease. Researchers are responsible for compliance with all applicable institutional, state, and federal regulations.
Frequently asked questions
What is Oxytocin?
Oxytocin is a nonapeptide synthesized in the paraventricular and supraoptic nuclei of the hypothalamus and released from the posterior pituitary. It is one of the most extensively studied social neuropeptides.
Mechanism?
Oxytocin binds the G-protein-coupled oxytocin receptor (OTR), triggering IP3/DAG signaling. Central OTR activation is linked to social recognition, pair bonding, and stress-buffering effects in animal models.