Overview
DSIP (Delta Sleep-Inducing Peptide) 10mg is a lyophilized nonapeptide available exclusively for laboratory and scientific research purposes. DSIP is supplied as a lyophilized research compound for laboratory research use; no Certificate of Analysis is currently attached to this product page.
What Is DSIP?
DSIP is a naturally occurring nonapeptide first isolated in 1977 by Swiss researchers from the cerebral venous blood of rabbits. Composed of nine amino acids (H-Trp-Ala-Gly-Gly-Asp-Ala-Ser-Gly-Glu-OH), DSIP is endogenously present in the hypothalamus, limbic system, pituitary gland, and various peripheral tissues. Its name originates from early electroencephalogram (EEG) research showing it increased delta-wave activity — the brain wave pattern associated with deep, restorative sleep stages.
DSIP is classified as a neuropeptide with broad regulatory properties, co-localizing with multiple hormones and neurotransmitters throughout the central and peripheral nervous systems. Researchers have investigated DSIP across a wide range of biological systems since its discovery, making it one of the more extensively studied sleep-related compounds in preclinical literature.
Research Areas
DSIP has been the subject of numerous preclinical studies examining its role in several key biological pathways:
Sleep Architecture Regulation — Preclinical research has examined DSIP’s ability to promote slow-wave (delta) sleep — the deepest and most restorative phase of the sleep cycle. Studies using EEG monitoring in animal models have observed increased delta-wave activity following DSIP administration, supporting its foundational research profile.
Stress Hormone Modulation — Research has investigated DSIP’s interaction with cortisol, LH (luteinizing hormone), and other endocrine markers. Studies suggest DSIP may play a regulatory role in the hypothalamic-pituitary axis, influencing stress response pathways at the neuroendocrine level.
MAPK Cascade Interaction — DSIP has been found to be homologous to glucocorticoid-induced leucine zipper (GILZ), a protein involved in the MAPK signaling cascade. Research suggests DSIP may inhibit Raf-1 activation, thereby modulating ERK phosphorylation — a pathway relevant to cellular stress response and inflammation research.
Antioxidant Activity — A 2011 preclinical study concluded that DSIP demonstrates antioxidant properties by activating natural defense mechanisms against oxidative stress. This has made DSIP a compound of interest in aging and cellular resilience research models.
GABAergic System — Animal studies have examined DSIP’s interaction with the GABAergic system, with findings suggesting potential antiedematic and anticonvulsant properties in rodent models. Two independent rodent studies found that DSIP prevented convulsive onset in subjects administered GABA-A antagonists.
Motor Function Research — More recent preclinical work has examined intranasal DSIP administration in stroke models, with results indicating accelerated recovery of motor function in treated animals compared to controls.
Neurotransmitter Interactions — Research has explored DSIP’s influence on serotonin (5-HT), dopamine, glutamate, noradrenaline, and melatonin systems, suggesting a broad modulatory role across multiple neurotransmitter pathways relevant to sleep and mood regulation research.
Storage & Handling
- Before reconstitution: Store lyophilized vials at −20°C, protected from light and moisture. Allow to reach room temperature before opening.
- After reconstitution: Refrigerate at 2–8°C and use within 14–28 days. Avoid repeated freeze-thaw cycles.
- Recommended solvent: Bacteriostatic water.
Related Research
- How to Reconstitute Lyophilized Compounds — Step-by-step reconstitution protocol
- How to Store Research Compounds Properly — Storage and stability guidance
- KLOW Research Blend — Multi-compound recovery formula that includes DSIP
- Certificates of Analysis — Batch-specific third-party test results
This product is intended strictly for research use only (RUO). Not for human consumption, veterinary use, or household use. For use by qualified researchers in controlled laboratory settings only. This product has not been evaluated by the FDA and is not intended to diagnose, treat, cure, or prevent any disease or condition.
