[Systemic, cellular and molecular adjustments induced by administration of peptides having different opioid activities].
Popova. N S NS; Dovedova. E L EL; Adrianov. O S OS
Key Findings
- Both DSIP and TPA increase serotonin signaling and suppress brain responses to visual and acoustic stimuli.
- DSIP may help with "informational neuroses" – a type of mental overload or stress.
- TPA, unlike DSIP, also affects motor performance and alters cholinergic activity.
Practical Outcomes
- For biohackers, DSIP could be explored as a tool to promote deeper sleep or reduce sensory overload, potentially aiding stress management. TPA might influence motor coordination or physical performance, but its effects are less clear. Neither peptide has dosing guidelines from this study, so any experimentation should start with very low doses and prioritize safety.
Summary
The study shows that the sleep‑inducing peptide DSIP and a related tetrapeptide (TPA) both boost serotonin activity in the brain and make people less reactive to visual and sound cues. DSIP may be useful for conditions involving mental overload, while TPA also changes motor function and the brain's cholinergic system.
Abstract
Comparative study of effects of the peptides with different opiate activity on metabolism and neurophysiological processes in brain structures (cortical-subcortical, brainstem) revealed resemblance and specifics of delta-sleep inducing peptide (DSIP) and tetrapeptideamide (TPA) effects on subcellular (metabolism of neurotransmitters), cellular (bioelectrical activity) and systemic (behaviour) levels. Both peptides activated serotoninergic system and suppressed responses of brain structures to visual and acoustic stimuli. These peptides also reconstructed multi-sensory peculiarities of brain structures, changing the sensory supply of adaptive behaviour. As opposed to the DSIP, systemic effect of TPA included motor function and resulted in changes of cholinergic system activity levels. DSIP can be useful in studies of informational neuroses in clinics.
Study Information
pubmed
1987