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DSIP

DSIP

DSIP (Delta Sleep–Inducing Peptide) is a naturally occurring neuropeptide consisting of nine amino acids, first isolated from the hypothalamic extracts of rabbits in 1974. It is primarily associated with the regulation of sleep physiology, stress modulation, and neuroendocrine homeostasis.

Although its exact mechanism of action remains under investigation, DSIP has been shown in preclinical research to influence electroencephalographic (EEG) sleep patterns, slow-wave sleep promotion, and corticotropin and growth hormone release.

In research settings, DSIP is used as a model compound to study sleep regulation, neuroendocrine peptide signaling, oxidative stress reduction, and hypothalamic–pituitary modulation. It is also of interest in studies examining circadian rhythm regulation, adaptogenic stress responses, and metabolic recovery mechanisms.

Price range: $35.00 through $49.00

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DSIP (Delta Sleep–Inducing Peptide) is a naturally occurring neuropeptide consisting of nine amino acids, first isolated from the hypothalamic extracts of rabbits in 1974. It is primarily associated with the regulation of sleep physiology, stress modulation, and neuroendocrine homeostasis. Although its exact mechanism of action remains under investigation, DSIP has been shown in preclinical research to influence electroencephalographic (EEG) sleep patterns, slow-wave sleep promotion, and corticotropin and growth hormone release. In research settings, DSIP is used as a model compound to study sleep regulation, neuroendocrine peptide signaling, oxidative stress reduction, and hypothalamic–pituitary modulation. It is also of interest in studies examining circadian rhythm regulation, adaptogenic stress responses, and metabolic recovery mechanisms.
Property
Specification
Peptide Type:
Naturally occurring neuropeptide
Chemical Name:
Delta Sleep–Inducing Peptide
Sequence (1-Letter Code):
Trp-Ala-Gly-Gly-Asp-Ala-Ser-Gly-Glu
Length:
9 amino acids
Molecular Formula:
C₃₅H₄₈N₁₀O₁₅
Molecular Weight:
~849.81 Da
Structure Type:
Linear non-cyclic peptide
Charge State:
Negatively charged at physiological pH
Solubility:
Water-soluble; stable in neutral pH
Storage:
≤ –20°C, protected from light and moisture

Structural Highlights:

  • Short Linear Peptide: DSIP is a small, flexible nonapeptide capable of crossing the blood-brain barrier (BBB) in animal models.
  • Endogenous Origin: Originally isolated from mammalian brain tissue, it exhibits natural neuroactive and endocrine properties.
  • Structural Simplicity: Despite its small size, it displays complex bioactivity, influencing multiple neuromodulatory pathways.
  • Peptide Family: Classified among sleep-promoting and hypothalamic peptides, sharing regulatory functions with GHRH and CRH analogues.

Mechanism of Action

While the complete mechanism of DSIP is not fully elucidated, it is known to interact with GABAergic, catecholaminergic, and hypothalamic neuroendocrine pathways.
Research indicates that DSIP may function through:

  • Modulation of corticotropin-releasing hormone (CRH) and ACTH secretion.
  • Regulation of melatonin and cortisol circadian patterns.
  • Enhancement of slow-wave (delta) sleep activity on EEG recordings.
  • Support of GH and LH release via hypothalamic-pituitary stimulation.

DSIP’s unique neuroendocrine profile has made it a target for studies on sleep disorders, oxidative stress resilience, neuroprotection, and endocrine adaptation.

Sleep Regulation and Circadian Rhythm Studies

  • Promotes slow-wave (delta) sleep without suppressing REM cycles in preclinical EEG research.
  • Demonstrates normalization of disrupted sleep patterns induced by stress, noise, or pharmacologic agents.
  • Explored as a model peptide for circadian rhythm regulation and neuromodulatory signaling.

Neuroendocrine and Hormonal Research

  • Modulates ACTH, cortisol, and melatonin levels, indicating hypothalamic involvement.
  • Stimulates GH and luteinizing hormone (LH) release in experimental pituitary models.
  • Serves as a probe for understanding peptidergic control of the hypothalamic–pituitary axis.

Stress Adaptation and Oxidative Balance

  • Exhibits anti-stress and adaptogenic properties through modulation of sympathoadrenal activity.
  • Enhances antioxidant enzyme activity and reduces oxidative stress markers in animal studies.
  • Investigated for its potential neuroprotective role in stress-induced neuronal apoptosis models.

Cellular and Molecular Research Applications

  • Facilitates studies in neuropeptide–receptor interactions, sleep neurochemistry, and metabolic recovery mechanisms.
  • Serves as a model for exploring BBB-permeable short peptides in central nervous system signaling research.
  • Supports investigations into cellular repair mechanisms and biopeptide-driven neuromodulation.

This product is supplied strictly for laboratory research use only. It is not a drug, food, or cosmetic and must not be administered to humans or animals. Proper handling procedures and safety protocols should be followed by trained professionals when working with this material.

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Disclaimer: For Research Use Only

All products and information presented on this website are intended solely for laboratory and scientific research purposes. Nothing contained herein should be interpreted as a recommendation, endorsement, or authorization for human consumption, medical use, or diagnostic application.

Any references to specific peptides, studies, or potential biological functions are provided strictly for informational and educational purposes. Such content must not be considered medical, health, or legal advice, nor encouragement for non-research use.

All compounds are designed for controlled research environments and may be handled only by qualified professionals familiar with appropriate laboratory procedures and regulations. Customers and researchers are urged to consult with scientific, medical, or legal experts before ordering or utilizing any materials.

Revacta Labs promotes the ethical, safe, and lawful study of research-grade materials and expects all users to adhere to applicable local and federal guidelines. This disclaimer applies to all website content, communications, and products offered by Revacta Labs and is subject to change without notice.

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