Peptidergic correction of the effect of acute hypobaric hypoxia in pregnant rats on progeny.
Maslova. M V MV; Zemlyanskii. K S KS; Shkol'nikova. M V MV; Maklakova. A S AS; Krushinskaya. Y V YV; Sokolova. N A NA; Ashmarin. I P IP
Key Findings
- Acute hypobaric hypoxia in pregnant rats delays offspring growth, eye opening, and alters behavior.
- Preventive intranasal administration of semax (with beta‑casomorphine‑7) to pregnant rats blocked these hypoxia‑induced delays.
- The protective effect was observed in the newborn rats, indicating a potential neuro‑protective role of semax under hypoxic stress.
Practical Outcomes
- While the results are promising, they come from an animal model and involve a peptide mixture not approved for human use. Biohackers should view this as early‑stage evidence that semax might help mitigate low‑oxygen stress, but no direct dosing or protocol can be recommended for people, especially pregnant individuals, without further human research.
Summary
In a rat study, pregnant mothers exposed to low‑oxygen conditions gave birth to pups that grew slower, opened their eyes later, and showed behavior changes. Giving the mothers a nasal spray containing the peptide semax (combined with another peptide) during the low‑oxygen exposure stopped these negative effects, so the baby rats developed normally.
Abstract
Acute hypobaric hypoxia of pregnant rats led to a significant delay in body weight gain, growth and time of eye opening in newborn rat pups which was paralleled by behavioral changes. Preventive intranasal instillations of peptide mixture (semax and beta-casomorphine-7) to pregnant females prevented the effect of hypoxia on the progeny.
Study Information
pubmed
2001
10.1023/a:1017515206152