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How Do Delta Sleep Inducing Peptides Work?
Research suggests substance P, beta-endorphin, and cortisol levels in the hypothalamus and blood plasma show alterations. D induces changes in other peptides which mediate the acute and long-term stress coping effect.
The peptide further regulates the opioid-peptidergic systems along with morphine. It thus helps in dealing with opioid withdrawal in cases of chronic pain.
What have Research Studies Shown?
Scientific research has revealed the following functions of DSIP.
-Regulation of sleep
-Betterment of REM sleep
-Suppression of paradoxical sleep
-Overcome daytime sedation
-Modification of thermogenesis, heart rate, blood pressure, pain threshold
-Alteration of substance P, beta-endorphin, and cortisol levels
-Regulation of diurnal and circadian rhythmicity
-Increase in LH secretion
-Reduction of Chronic Pain
Delta Sleep-Inducing Peptide for Sleep and Circadian Rhythm
The peptide exists in both free and bound forms in the hypothalamus, limbic system, and pituitary gland. It triggers hypothalamic neural circuitry, increasing LH during sleep, and can thus help in chronic insomnia.
A study of 14 chronic insomniacs was done to determine the intermediate effect of the peptide on sleep and daytime performance. Delta Sleep-Inducing Peptide was administered under placebo-controlled, double-blind conditions for seven successive nights.
Polysomnograms were captured for placebo baseline, beginning and end of Delta sleep-inducing peptide treatment, and one placebo post-treatment night. The daytime psychological state and mental performance were extensively analyzed before and after 6 Delta sleep-inducing peptide injections. They were each given IV Delta sleep-inducing peptide 25 nmol/kg, and each subject reported improved sleep quality. The treatment substantially enhanced night sleep with the first and additionally with repeated doses. These effects were maintained for the first post-treatment (placebo) night. The efficiency of night sleep and daytime rest became equivalent to the levels of normal controls. Alertness and performance in the daytime also increased tremendously.
The work demonstrates the efficacy of DSIP or the improvement of impaired sleep and daytime functions as well. Delta Sleep-Inducing Peptide also helps in narcolepsy by reducing the number of sleep attacks during the day and enhancing REM sleep. The peptide was repeatedly administered to a 35-year-old male narcoleptic. Efficacy was evaluated by self-report, performance tests, multiple sleep latency tests, and all-night polysomnography. DSIP decreased the frequency of sleep attacks and improved activity, alertness, and performance during the daytime. DSIP reduced the sleep period with the enhancement of REM sleep. The findings prove the peptide to accentuate circadian and ultradian rhythms of Delta Sleep-Inducing Peptide.
Delta Sleep-Inducing Peptide and Opioid Withdrawal
DISP helps deal with opioid withdrawal due to its agonistic activity at opioid receptors. Several animal studies conducted by Tissot regarding DISP have shown that morphine, alcohol, pentobarbital, and Delta Sleep-Inducing Peptide, when injected directly into the bulbo-mesencephalon-thalamic recruiting system, triggers slow-wave sleep with numerous spindles reversed by naloxone. The peptide was introduced intravenously to 107 patients with symptoms of alcohol (n = 47) and opiate (n = 60) withdrawal. Both physicians and nursing staff clinically evaluated the effect of DISP, and 97% of patients, after two weeks, showed significant disappearance of clinical symptoms and signs associated with withdrawal. It took longer to control the anxiety. Patients reported good tolerance to the Delta Sleep-Inducing Peptide treatment aside from a few cases of headaches.
Delta Sleep-Inducing Peptide for Chronic Pain and Depression
Delta Sleep-Inducing Peptide is also evaluated for use in chronic pain and/or depression. Delta Sleep-Inducing Peptide has been shown to significantly reduce pain levels and depressive states when administered. Due to the findings of DSIP modulating endogenous opioid-peptidergic systems and significant effects on circadian rhythms and cortisol levels, a study was conducted to determine if there was any potential for alleviating chronic pronounced pain episodes.
The study is investigating the therapeutic effect on seven patients with migraine episodes and vasomotor headaches, chronic tinnitus, psychogenic panic attacks, and depressive states. The baseline anamnestic values were statistically compared with the katamnestic control period. Delta Sleep-Inducing Peptide remarkably lowered the pain levels of 6 out of 7 patients after intravenous administration on five consecutive days followed by five injections every 48-72 hours. A significant decrease in depressive states was also observed.
-Acts as a stress limiting factor
-Normalizes blood pressure and myocardial contraction
-Enhances the efficiency of oxidative phosphorylation in rat mitochondria in vitro
-Mediates antioxidant effects
Disclaimer: The products mentioned are not for human or animal consumption. All the information shared in this article is for educational purposes only.
Dr. Usman (BSc, MBBS, MaRCP) completed his studies in medicine at the Royal College of Physicians, London. He is an avid researcher with more than 30 publications in internationally recognized peer-reviewed journals. Dr. Usman has worked as a researcher and a medical consultant for reputable pharmaceutical companies such as Johnson & Johnson and Sanofi.