[Dizocilpine inhibits suppression of c-fos gene by delta-sleep peptide in the rat hypothalamic paraventricular nucleus].
Umriukhin. P E PE; Anokhin. K V KV; Raevskiĭ. K S KS
Key Findings
- DSIP normally suppresses the immediate‑early gene c‑fos in the parvocellular paraventricular nucleus of rats.
- When the NMDA‑receptor blocker MK‑801 (dizocilpine) is given intracerebroventricularly, this suppression is prevented.
- The interaction was observed only in the brain region studied, using invasive i.c.v. administration.
Practical Outcomes
- For DIY biohackers, the study offers no direct dosing or protocol guidance. It suggests that DSIP’s actions may involve NMDA‑receptor pathways, but translating this to human use would require far more research. At present, the findings are mainly of academic interest rather than actionable for longevity or performance optimization.
Summary
In rats, a brain‑injected drug that blocks NMDA receptors (MK‑801) stops the sleep‑related peptide DSIP from lowering activity of a gene called c‑fos in a specific hypothalamic area. This shows that DSIP’s effect depends on NMDA‑type signaling, but the experiment was done in a very controlled animal model using direct brain injections.
Abstract
The effects of intracerebroventricular administration of the non-competitive NMDA-receptor blocker Dizocilpine (MK-801) on delta sleep-inducing peptide (DSIP) suppression of c-fos induction, were studied. The data obtained indicate that preliminary i.c.v. MK-801 injection inhibits immediate early gene c-fos suppression by DSIP in the parvocellular paraventricular hypothalamus.
Study Information
pubmed
2003