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DSIP (Delta Sleep-Inducing Peptide) is a naturally occurring nonapeptide studied for its role in circadian rhythm regulation, neuroendocrine modulation, and sleep-wake cycle research.
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DSIP Overview
DSIP is a small amphiphilic peptide consisting of nine amino acids (Trp-Ala-Gly-Gly-Asp-Ala-Ser-Gly-Glu) with demonstrated effects on circadian signaling and neuroendocrine regulation in experimental models. Originally identified through its ability to modulate delta-wave patterns in experimental systems, DSIP has been studied for its influence on circadian rhythms, electroencephalographic patterns, and hypothalamic-pituitary-adrenal (HPA) axis activity. Research indicates potential modulatory effects on GABAergic and serotonergic signaling systems, corticosterone and ACTH dynamics, and oxidative stress responses in laboratory settings.
DSIP Structure

CAS #: 62568-57-4
Molecular Formula: Cββ HββNββOββ
Molecular Weight: 848.81 g/mol
PubChem ID: 68760
Research Findings
DSIP has been examined in circadian and neuroendocrine research, with investigations focusing on EEG pattern modulation, HPA axis dynamics, neurotransmitter system interactions, and neuronal signaling effects in various experimental models. Studies explore its influence on circadian biology and molecular stress responses.
Key Areas of Research:
- Circadian: Delta-wave, REM modulation, entrainment
- Neuroendocrine: Corticosterone, ACTH, HPA axis
- Signaling: GABAergic, serotonergic, dopaminergic
- Neuronal: Oxidative stress, calcium dynamics, viability
References
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