What is DSIP?
Delta Sleep-Inducing Peptide (DSIP) is a naturally occurring neuropeptide first identified in cerebral venous blood. It has been studied for its roles in sleep regulation, hormonal balance, stress modulation, and neuroprotection. As a regulatory peptide, DSIP is under investigation for potential therapeutic applications in insomnia, epilepsy, stroke recovery, and endocrine disorders.
DSIP is a nonapeptide composed of the amino acids Trp-Ala-Gly-Gly-Asp-Ala-Ser-Gly-Glu. It is present in various regions of the central nervous system and peripheral tissues. Although originally linked to sleep induction, its exact biological functions are still under investigation. Research shows DSIP may influence circadian rhythm, act as an endocrine modulator, and have neuroprotective properties [1][2].
Structure
- Molecular Formula: C35H48N10O15
- Synonyms: DSIP
DSIP Research
- DSIP and Sleep Modulation
DSIP has long been studied for its involvement in sleep regulation. Clinical research in chronic insomniacs has shown that DSIP administration increases sleep efficiency and decreases sleep latency [1]. These results support DSIP’s role as a neuromodulator potentially useful in managing sleep disorders.
- DSIP as an Anticonvulsant
In animal models, DSIP has been shown to reduce the frequency and severity of chemically induced seizures [2]. The peptide is believed to interact with GABAergic systems, suggesting a potential mechanism for its anticonvulsant effects, and making it an area of interest in epilepsy research.
- DSIP in Neuroprotection and Stroke Recovery
In a rat stroke model, DSIP significantly improved motor recovery and reduced neurological deficits [3]. This neuroprotective effect is believed to be related to its anti-inflammatory and anti-apoptotic properties, indicating a promising role in neurorehabilitation studies.
- DSIP and Endocrine Regulation
DSIP is known to influence pituitary hormone secretion. It has been shown to stimulate luteinizing hormone (LH) release and suppress corticotropin levels, pointing to a regulatory role in both the stress response and reproductive systems [4].
- DSIP and Stress Modulation
Experimental models show that DSIP administration counteracts stress-induced changes in physiological markers, including blood pressure and corticosterone levels [4]. This suggests DSIP may act as a stress-limiting peptide with potential relevance in stress-related research.
Reconstitution and dosing
DSIP is typically reconstituted with Bacteriostatic water at 5mg per ml. Standard dosing is 100mcg to 500mcg approximately 30 minutes to 3 hours before bed. DSIP is typically used 5 to 7 nights per week on an 8 week on, 8 week off schedule.
For our free Peptide Calculator CLICK HERE
Disclaimer
ALL ARTICLES AND PRODUCT INFORMATION PROVIDED ON THIS WEBSITE ARE FOR INFORMATIONAL AND EDUCATIONAL PURPOSES ONLY.
Referenced Citations
- Effects of delta sleep-inducing peptide on sleep of chronic insomniacs. PubMed. Available at: https://pubmed.ncbi.nlm.nih.gov/1299794/
- Studies of the mechanism of the anticonvulsant effect of delta-sleep-inducing peptide. SpringerLink. Available at: https://link.springer.com/article/10.1007/BF02461934
- Delta Sleep-Inducing Peptide Recovers Motor Function in SD Rats After Stroke. MDPI. Available at: https://www.mdpi.com/1420-3049/26/17/5173
- Delta-sleep-inducing peptide. Wikipedia. Available at: https://en.wikipedia.org/wiki/Delta-sleep-inducing_peptide
