PeptideDB

DSIP

Pesquisa emergente

Delta Sleep-Inducing Peptide | Sleep & Stress Modulator

DSIP is a naturally occurring nonapeptide discovered in 1974 in rabbit brain. Originally isolated for sleep-promoting properties, it has diverse neuromodulatory effects including stress reduction,

Dados moleculares e de pesquisa

Sequência
Trp-Ala-Gly-Gly-Asp-Ala-Ser-Gly-Glu
Peso molecular
848.81 Da
Meia-vida
~15 minutes (in vitro)
Alvos primários
gaba
Vias (pesquisa)
injectable, nasal
Armazenamento
2-8°C refrigerated

Overview

DSIP is a naturally occurring nonapeptide discovered in 1974 in rabbit brain. Originally isolated for sleep-promoting properties, it has diverse neuromodulatory effects including stress reduction, pain modulation, and endocrine regulation without traditional sedative effects.

Mechanism of action

Modulates multiple neurotransmitter systems including GABA enhancement, NMDA receptor interaction, and endogenous opioid system modulation. Also regulates hypothalamic-pituitary-adrenal axis for stress response.

Key research findings

  • Enhanced sleep quality through slow-wave sleep promotion
  • Stress reduction via cortisol modulation
  • Potential pain relief
  • Mood stabilization without traditional sedative effects
  • No tolerance or dependence reported
  • Short cycle duration (5-10 days)

Research applications

Sleep

  • Deep Sleep Enhancement — Promotes delta wave sleep, the most restorative sleep phase for physical recovery.
  • Sleep Efficiency — Reduces sleep latency and nocturnal awakenings without morning grogginess.
  • Natural Sleep Architecture — Supports natural sleep cycles rather than forcing sedation like traditional sleep aids.

Mood

  • Stress Response Modulation — Helps regulate cortisol and stress response through HPA axis modulation.
  • Mood Stabilization — Supports emotional balance without sedation.
  • Anxiety Reduction — May help reduce anxiety through neuromodulatory effects.

Pain & Recovery

  • Pain Modulation — Significantly reduced pain levels in 6 of 7 patients with chronic pain conditions.
  • Withdrawal Support — Helps manage withdrawal symptoms in alcohol and opioid-dependent patients.
  • Athletic Recovery — Supports post-training recovery through enhanced sleep quality.

FAQ de DSIP

How quickly does DSIP improve sleep compared to melatonin?+

DSIP acts within 30-60 minutes of injection with noticeable sleep pressure by the first dose. It works faster than melatonin (which takes 1-2 hours) and promotes natural delta-wave sleep architecture rather than sedation. Most users report deeper, more restorative sleep from night one of use.

Will DSIP cause dependence or tolerance like sleeping pills?+

No dependence or tolerance has been reported with DSIP in clinical studies, unlike traditional sedatives. Its naturally occurring structure and neuromodulatory mechanism (GABA enhancement, HPA axis modulation) work through physiological pathways rather than receptor desensitization, making it suitable for short cycles without habituation concerns.

Can DSIP help with chronic pain like the research suggests?+

One clinical study found 6 of 7 chronic pain patients experienced significant pain reduction with IV DSIP (25 nmol for 10 days). It works through multiple pathways including endogenous opioid modulation and stress reduction. However, human data is limited primarily to small studies, so pain management requires medical oversight.

Is DSIP useful for managing withdrawal from alcohol or opioids?+

Yes, research shows DSIP is remarkably effective for withdrawal management—87% of alcoholics and 97% of opioid addicts showed beneficial effects in clinical trials using IV administration (25 nmol/kg). It reduces withdrawal symptoms through immediate onset and HPA axis normalization, making it relevant for addiction medicine.

References

  1. [1]Effects of Delta Sleep-Inducing Peptide on Sleep of Chronic Insomniac Patients: A Double-Blind StudyNeuropsychobiology
  2. [2]Therapeutic Effects of Delta-Sleep-Inducing Peptide (DSIP) in Patients with Chronic, Pronounced Pain Episodes: A Clinical Pilot StudyEuropean Neurology
  3. [3]DSIP in the Treatment of Withdrawal Syndromes from Alcohol and OpiatesEuropean Neurology
  4. [4]Acute and Delayed Effects of DSIP (Delta Sleep-Inducing Peptide) on Human Sleep BehaviorInternational Journal of Peptide and Protein Research
  5. [5]Delta Sleep-Inducing Peptide Recovers Motor Function in SD Rats After Focal StrokePharmaceutics
  6. [6]Successful Treatment of Withdrawal Symptoms with Delta Sleep-Inducing PeptideNeuropsychobiology
  7. [7]Delta Sleep-Inducing Peptide (DSIP): A Still Unresolved RiddleJournal of Neurochemistry
  8. [8]Delta Sleep-Inducing Peptide Recovers Motor Function After Focal Stroke in RatsPharmaceutics
  9. [9]Effects of Delta-Sleep-Inducing Peptide on 24-Hour Sleep-Wake Behaviour in Severe Chronic InsomniaEuropean Neurology

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