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DSIP Peptide for Sleep Support and Circadian Rhythm Regulation
DSIP is a nonapeptide known for its role in regulating sleep-wake cycles, stress responses, and endocrine function. Studies have shown that it helps normalize circadian rhythms, lower cortisol levels triggered by stress, and promote deep, restorative sleep.
Benefits of DSIP Therapy
Improves Sleep Quality
- DSIP helps regulate sleep cycles and promotes deeper, more restorative sleep.
- It reduces sleep onset time and increases time spent in slow-wave (deep) sleep.
Stress & Cortisol Regulation
- Modulates the body's stress response by lowering cortisol levels.
- Helps reduce anxiety, nervous system hyperactivity, and promotes calmness.
Neuroprotective & Recovery Support
- May protect brain cells from oxidative stress and excitotoxicity.
- Supports recovery from fatigue, jet lag, or physical/mental overexertion.
Research
- Pichia pastoris secreted peptides crossing the blood-brain barrier and DSIP fusion peptide efficacy in PCPA-induced insomnia mouse models
Mu X, Qu L, Yin L, Wang L, Liu X, Liu D (2024, October)This study developed a novel fusion peptide, DSIP-CBBBP, combining delta sleep-inducing peptide (DSIP) with a blood-brain barrier crossing peptide, produced via Pichia pastoris. In a PCPA-induced insomnia mouse model, DSIP-CBBBP outperformed DSIP alone—more effectively restoring neurotransmitter balance, reducing wakefulness, easing anxiety and depression-like behaviors, improving reward response, and repairing brain tissue damage. These results highlight DSIP-CBBBP's strong potential as a next-generation sleep-promoting therapy that effectively reaches the brain. - Delta-Sleep-Inducing Peptide (DSIP): An Update
Graf MV, Kastin AJ (1986, November)This review highlights DSIP as a promising multifunctional peptide, best known for promoting non-REM sleep across species. Naturally found in plasma, urine, CSF, and milk, DSIP plays a likely physiological role in humans and animals. Beyond sleep, it influences neurotransmitter activity, hormonal rhythms, circadian behavior, and stress responses, suggesting potential therapeutic uses for sleep disorders, pain, and withdrawal syndromes. Overall, DSIP emerges as a biologically significant peptide with broad medical promise.
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