Research Compound

DSIP

Neuropeptide · MW 848.9 g/mol

DSIP (Delta Sleep-Inducing Peptide) is a neuropeptide first isolated from rabbit cerebral venous blood in 1974. Research has examined its role in sleep architecture, stress response modulation, and neuroendocrine regulation. The peptide has been studied across multiple biological systems in animal models.

≥99% HPLC MS Confirmed 3rd Party Tested San Diego
Overview

What is DSIP?

DSIP (Delta Sleep-Inducing Peptide) is a neuropeptide first isolated from rabbit cerebral venous blood in 1974. Research has examined its role in sleep architecture, stress response modulation, and neuroendocrine regulation. The peptide has been studied across multiple biological systems in animal models.

DSIP (Delta Sleep-Inducing Peptide) is supplied strictly as a reference material for in vitro and preclinical investigation. All characterization data described here is drawn from peer-reviewed literature and laboratory analysis; nothing herein constitutes a claim of clinical effect in humans.

Investigational Scope

Documented Research Areas

The following domains summarize directions explored across published studies and laboratory models. Each reflects observations reported in rodent models, in vitro systems, or the peer-reviewed record.

Neurological

Sleep Architecture Research

DSIP was originally characterized for its ability to induce delta-wave sleep in animal models. Research has examined its effects on sleep stage distribution and EEG patterns in rodents.

Endocrine

Neuroendocrine Modulation

Studies have documented DSIP's interaction with the hypothalamic-pituitary axis, with observed effects on LH, GH, and cortisol secretion patterns in animal models.

Stress Response

HPA Axis & Stress Biology

Research has examined DSIP's role in modulating the hypothalamic-pituitary-adrenal axis response to stress, with observed effects on corticotropin release in rodent models.

Antioxidant

Oxidative Stress Models

A subset of research has explored DSIP's antioxidant properties, including its ability to reduce lipid peroxidation markers in cell culture and animal models.

Proposed Mechanism

Mechanistic Pathway

Mechanistic steps below are hypothesized from in vitro assays and animal-model data reported in the literature. They describe biochemical interactions observed under controlled experimental conditions.

  1. 1

    Delta Wave Sleep Induction

    DSIP has been shown to promote slow-wave (delta) sleep in animal models, potentially through modulation of GABAergic and serotonergic neurotransmission systems.

  2. 2

    Hypothalamic-Pituitary Signaling

    Research indicates DSIP interacts with hypothalamic receptors influencing pituitary hormone release, with documented effects on GH and LH secretion patterns in rodent studies.

  3. 3

    Cortisol & Stress Hormone Regulation

    Studies have observed DSIP-mediated modulation of cortisol and ACTH release in animal models, suggesting a role in HPA axis feedback regulation.

  4. 4

    Antioxidant Activity

    In vitro research has documented DSIP's ability to reduce markers of oxidative stress, including malondialdehyde levels, in cell culture models exposed to oxidative challenge.

Technical Data

Molecular Specifications

Amino Acid SequenceTrp-Ala-Gly-Gly-Asp-Ala-Ser-Gly-Glu
Molecular Weight848.9 g/mol
Molecular FormulaC₃₅H₄₈N₁₀O₁₅
CAS Number62568-57-4
Storage−20°C long-term, 4°C short-term up to 4 weeks
References

Selected Literature

The following peer-reviewed references informed the research summaries on this page. Citations are provided for scientific context only.

  1. Monnier M & Schoenenberger GA. (1977). Characterization, sequence, synthesis and specificity of a delta-EEG sleep-inducing peptide. Pflügers Archiv, 369(2), 99–109.
  2. Schoenenberger GA & Monnier M. (1977). Characterization of a delta-electroencephalogram-sleep-inducing peptide. Proceedings of the National Academy of Sciences, 74(3), 1282–1286.
  3. Sudakov SK, et al. (1983). Delta sleep-inducing peptide and the stress response. Bulletin of Experimental Biology and Medicine, 95(4), 415–417.
  4. Yehuda S & Carasso RL. (1988). DSIP: a review. International Journal of Neuroscience, 38(3–4), 403–414.
  5. Graf MV & Kastin AJ. (1986). Delta-sleep-inducing peptide: a review. Neuroscience & Biobehavioral Reviews, 10(3), 297–309.

Research Disclaimer

This product is intended strictly for laboratory research purposes only. It is not a drug, food, cosmetic, or dietary supplement and is not intended to diagnose, treat, cure, or prevent any disease. It is not for human or animal consumption. All information presented is derived from published scientific literature and is provided for educational reference only. By purchasing, the buyer affirms they are a qualified researcher or institution and assume full responsibility for the safe and lawful handling of this material.