[Effects of beta endorphin and delta-sleep inducing peptide on resistance to emotional stress].
Salieva. R M RM; Koplik. E V EV; Kamenov. Z A ZA; Poletaev. A B AB
Key Findings
- Stress‑resistant Wistar rats have higher blood and hypothalamic beta‑endorphin and DSIP than stress‑prone August rats
- Within Wistar rats, those predisposed to stress show lower peptide levels than typical Wistar rats
- Higher endogenous levels of these peptides are associated with better emotional stress resistance in rats
Practical Outcomes
- The finding hints that boosting DSIP (or beta‑endorphin) might help improve stress resilience, but there’s no human data, dosage guidance, or safety info yet. Biohackers should treat this as preliminary evidence and await more research before adding DSIP to a protocol.
Summary
In rats that handle emotional stress better, the natural levels of beta‑endorphin and the peptide DSIP are higher, while stress‑prone rats have lower levels. This suggests a link between these peptides and stress resistance, but the study only shows correlation in animals, not a proven benefit for humans.
Abstract
Enzyme immunoassay was used to study the contents of beta-endorphin and delta-sleep inducing peptide (DSIP) in blood and hypothalamus in rats of Wistar and August lines under acute emotional stress. The stress-resistance of the animals was determined by using preliminary behavior tests. The rats were divided into two groups and predisposed to acute emotional stress. It was found that the contents of these peptides in Wistar-rats, which are more resistant to emotional stress, were higher compared with the August-rats, which are more predisposed to emotional stress. It was shown that the contents of beta-endorphin and DSIP in Wistar-rats is higher than in predisposed Wistar-rats.
Study Information
pubmed
1989