The influence of the delta-sleep-inducing peptide on convulsive activity.
Shandra. A A AA; Godlevskii. L S LS; Mazarati. A M AM; Oleshko. A A AA; Mikhaleva. I I II
Key Findings
- DSIP suppressed convulsions caused by strychnine in cat brain cortex.
- In rats, DSIP slowed the development of a seizure‑kindling model.
- DSIP prevented seizures in mice triggered by bicuculline, picrotoxin, and corazol, but not by thiosemicarbazide or strychnine.
- The anticonvulsant effect appears linked to the reticular portion of the substantia nigra, where DSIP levels drop during severe seizure activity.
Practical Outcomes
- For biohackers, the data suggest DSIP might have neuro‑protective or anti‑seizure potential, but there’s no human evidence or clear dosing guidance yet. It’s more of a scientific hint than a ready‑to‑use protocol, so anyone considering experimentation should proceed with caution and look for further research.
Summary
The study shows that the peptide delta‑sleep‑inducing peptide (DSIP) can reduce seizure‑like activity in several animal tests, especially by acting on a part of the brain called the substantia nigra. However, the work is all in cats, rats and mice, and it doesn’t give any dosing or safety info for people.
Abstract
Data are presented in this paper on the influence of the delta-sleep-inducing peptide (DSIP) on various forms of convulsive activity. The capacity of this peptide to suppress convulsive activity in foci created in the cerebral cortex by the application of strychnine has been demonstrated in experiments on cats. It has been established in experiments on rats that DSIP determines the later development of the convulsive kindling syndrome, and prevents the development of convulsions in mice induced by bicuculline, picrotoxin, and corazol, but is devoid of such action in relation to thiosemicarbazide and strychnine. It was demonstrated that the anticonvulsant action of DSIP is associated with its influence on the reticular portion of the substantia nigra. The lowest level of this peptide itself has been discovered, in the reticular portion of the substantia nigra at the late stages of pharmacological kindling. It is inferred that DSIP may represent one of the factors of the endogenous control of the excitability of the brain.
Study Information
pubmed
1993
10.1007/bf01183011